Chapter 23: Methods and Revisiting Types

Co-authored-by: Tamás Hadházy <85063808+Hels15@users.noreply.github.com>
Co-authored-by: XmiliaH <45106915+XmiliaH@users.noreply.github.com>
Co-authored-by: Hsiang-Ying Fu <66062782+fuhsnn@users.noreply.github.com>

37 files changed, 6102 insertions, 251 deletions

diff --git a/src/test/java/com/seaofnodes/simple/Chapter04Test.java b/src/test/java/com/seaofnodes/simple/Chapter04Test.java
index c6199193..1361d8b6 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter04Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter04Test.java
@@ -63,7 +63,7 @@ public class Chapter04Test {
     // Adding functions means `main` does not constant fold the incoming arg value
     @Ignore @Test
     public void testConstantArg() {
-        CodeGen code = new CodeGen("return arg; ", TypeInteger.constant(2), 123L).parse();
+        CodeGen code = new CodeGen("return arg; ", TypeInteger.constant(2), 123L, true).parse();
         assertEquals("return 2;", code.expr().in(1).toString());
     }
 
diff --git a/src/test/java/com/seaofnodes/simple/Chapter06Test.java b/src/test/java/com/seaofnodes/simple/Chapter06Test.java
index b6bc2bf3..1ff875b4 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter06Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter06Test.java
@@ -104,7 +104,7 @@ else if( arg==3 )
 else
     a=5;
 return a;
-""", TypeInteger.constant(2), 123L).parse().opto();
+""", TypeInteger.constant(2), 123L, true).parse().opto();
         assertEquals("return 5;", code.print());
     }
 
@@ -124,7 +124,7 @@ else if( arg==3 )
 else
     a=5;
 return a;
-""", TypeInteger.constant(1), 123L).parse().opto();
+""", TypeInteger.constant(1), 123L, true).parse().opto();
         assertEquals("return 3;", code.print());
     }
 
@@ -164,7 +164,7 @@ else if( arg==3 )
 else
     a=5;
 return a;
-""", TypeInteger.constant(1), 123L);
+""", TypeInteger.constant(1), 123L, true);
         code.parse().opto();
         assertEquals("return 3;", code.print());
     }
@@ -185,7 +185,7 @@ else if( arg==3 )
 else
     a=5;
 return a;
-""", TypeInteger.constant(3), 123L);
+""", TypeInteger.constant(3), 123L, true);
         code.parse().opto();
         assertEquals("return 4;", code.print());
     }
@@ -220,7 +220,7 @@ if( arg ) {
     else b = 3;
 }
 return a+b;
-""", TypeInteger.constant(1), 123L);
+""", TypeInteger.constant(1), 123L, true);
         code.parse().opto();
         assertEquals("return 4;", code.print());
     }
@@ -238,7 +238,7 @@ if( arg ) {
     else b = 3;
 }
 return a+b;
-""", TypeInteger.constant(0), 123L);
+""", TypeInteger.constant(0), 123L, true);
         code.parse().opto();
         assertEquals("return 1;", code.print());
     }
@@ -277,7 +277,7 @@ if( arg ) {
     else b = 3;
 }
 return a+b+c;
-""", TypeInteger.constant(1), 123L);
+""", TypeInteger.constant(1), 123L, true);
         code.parse().opto();
         assertEquals("return 6;", code.print());
     }
@@ -297,7 +297,7 @@ if( arg ) {
     else b = 3;
 }
 return a+b+c;
-""", TypeInteger.constant(2), 123L);
+""", TypeInteger.constant(2), 123L, true);
         code.parse().opto();
         assertEquals("return 5;", code.print());
     }
diff --git a/src/test/java/com/seaofnodes/simple/Chapter09Test.java b/src/test/java/com/seaofnodes/simple/Chapter09Test.java
index d4d02aa9..54a14a25 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter09Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter09Test.java
@@ -126,9 +126,10 @@ while(v1+arg) {
     v0=1;
     v1=v2;
 }
+return 0;
                 """);
         code.parse().opto();
-        assertEquals("return Top;", code.print());
+        assertEquals("return 0;", code.print());
     }
 
     @Test
@@ -208,7 +209,7 @@ return -0+0+0;
 
     @Test
     public void testFuzz3() {
-        CodeGen code = new CodeGen("int v0=0; while(0==69) while(v0) return 0;");
+        CodeGen code = new CodeGen("int v0=0; while(0==69) while(v0) return 0; return 0;");
         code.parse().opto();
         assertEquals("return 0;", code.print());
     }
@@ -254,9 +255,10 @@ return 0!=0;
 int v0=0;
 while(0==1) while(v0)
         v0=1+v0;
+return 0;        
 """);
         code.parse().opto();
-        assertEquals("Stop[ ]", code.print());
+        assertEquals("return 0;", code.print());
     }
 
     @Test
diff --git a/src/test/java/com/seaofnodes/simple/Chapter10Test.java b/src/test/java/com/seaofnodes/simple/Chapter10Test.java
index 712704db..ec363239 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter10Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter10Test.java
@@ -115,7 +115,7 @@ if (arg) bar = null;
 bar.a = 1;
 return bar.a;
 """);
-        try { code.parse().opto(); fail(); }
+        try { code.parse().opto().typeCheck(); fail(); }
         catch( Exception e ) { assertEquals("Type null is not of declared type *Bar",e.getMessage()); }
     }
 
@@ -141,7 +141,7 @@ if (arg) bar = null;
 bar.a = 1;
 return bar.a;
 """);
-        try { code.parse(); fail(); }
+        try { code.parse().opto().typeCheck(); fail(); }
         catch( Exception e ) { assertEquals("Type null is not of declared type *Bar", e.getMessage()); }
     }
 
@@ -290,7 +290,7 @@ return new s0;
 int v0=null.f0;
 """);
         try { code.parse();  fail(); }
-        catch( Exception e ) {  assertEquals("Accessing unknown field 'f0' from 'null'",e.getMessage());  }
+        catch( Exception e ) {  assertEquals("Syntax error, expected ;: .",e.getMessage());  }
     }
 
     @Test
@@ -349,7 +349,7 @@ s0 v1 = v0;
 return v1;
     """);
         code.parse().opto();
-        assertEquals("return (const)s0;", code.print());
+        assertEquals("return s0;", code.print());
     }
 
 
diff --git a/src/test/java/com/seaofnodes/simple/Chapter11Test.java b/src/test/java/com/seaofnodes/simple/Chapter11Test.java
index f6539ac4..4f70913d 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter11Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter11Test.java
@@ -20,7 +20,7 @@ while(---- -arg) {
                 }
             }
         {
-            int kzEl_r7EYz=3*----0!=-arg<(37*--97!=0/arg==arg)<=-(--arg!=0);
+            int kzEl_r7EYz = (3*----0!=-arg) < (37*--97!=0/arg==arg) <= -(--arg!=0);
             while(kzEl_r7EYz<---1) {
                 kzEl_r7EYz=kzEl_r7EYz+kzEl_r7EYz*arg>=24;
                 if(7) continue;
diff --git a/src/test/java/com/seaofnodes/simple/Chapter13Test.java b/src/test/java/com/seaofnodes/simple/Chapter13Test.java
index a19f85e3..4e1db3b4 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter13Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter13Test.java
@@ -40,22 +40,22 @@ return head.next.i;
     public void testLinkedList1() {
         CodeGen code = new CodeGen(
 """
-struct LLI { LLI? next; int i; };
+struct LLI { LLI? next; int q; };
 LLI? !head = null;
 while( arg ) {
     LLI !x = new LLI;
     x.next = head;
-    x.i = arg;
+    x.q = arg;
     head = x;
     arg = arg-1;
 }
 if( !head ) return 0;
 LLI? next = head.next;
 if( next==null ) return 1;
-return next.i;
+return next.q;
 """);
-        code.parse().opto();
-        assertEquals("return Phi(Region,0,1,.i);", code.print());
+        code.parse().opto().typeCheck();
+        assertEquals("return Phi(Region,0,1,.q);", code.print());
         assertEquals("2", Eval2.eval(code,  3));
     }
 
@@ -108,10 +108,10 @@ return n.next;
 """
 struct M { int m; };
 struct N { M next; int i; };
-N n = new N { next = null; }
+N n = new N { next = null; };
 return n.next;
 """);
-        try { code.parse().opto(); fail(); }
+        try { code.parse().opto().typeCheck(); fail(); }
         catch( Exception e ) { assertEquals("Type null is not of declared type *M",e.getMessage()); }
     }
 
@@ -124,15 +124,15 @@ N !n = new N;
 n.i = 3.14;
 return n.i;
 """);
-        try { code.parse().opto(); fail(); }
-        catch( Exception e ) { assertEquals("Type 3.14 is not of declared type int",e.getMessage()); }
+        try { code.parse().opto().typeCheck(); fail(); }
+        catch( Exception e ) { assertEquals("Type 3.14 is not of declared type i64",e.getMessage()); }
     }
 
     @Test
     public void testNullRef4() {
         CodeGen code = new CodeGen("return -null-5/null-5;");
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot '+' null",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Cannot '//' null",e.getMessage()); }
     }
 
     @Test public void testNullRef5() {
@@ -180,7 +180,7 @@ return new S1.s=new S2;
     public void testcheckNull() {
         CodeGen code = new CodeGen(
 """
-struct I {int i;};
+struct I { int i; };
 struct P { I? pi; };
 P !p1 = new P;
 P !p2 = new P;
@@ -197,32 +197,52 @@ return p1.pi.i + 1;
     public void testCoRecur2() {
         CodeGen code = new CodeGen(
 """
-struct A { L? a; T? b; F? c; };  A? !a = new A;
-struct B { M? a; U? b; G? c; };  B? !b = new B;
-struct C { N? a; V? b; H? c; };  C? !c = new C;
-struct D { O? a; W? b; I? c; };  D? !d = new D;
-struct E { P? a; X? b; J? c; };  E? !e = new E;
-struct F { Q? a; Y? b; K? c; };  F? !f = new F;
-struct G { R? a; Z? b; L? c; };  G? !g = new G;
-struct H { S? a; A? b; M? c; };  H? !h = new H;
-struct I { T? a; B? b; N? c; };  I? !i = new I;
-struct J { U? a; C? b; O? c; };  J? !j = new J;
-struct K { V? a; D? b; P? c; };  K? !k = new K;
-struct L { W? a; E? b; Q? c; };  L? !l = new L;
-struct M { X? a; F? b; R? c; };  M? !m = new M;
-struct N { Y? a; G? b; S? c; };  N? !n = new N;
-struct O { Z? a; H? b; T? c; };  O? !o = new O;
-struct P { A? a; I? b; U? c; };  P? !p = new P;
-struct Q { B? a; J? b; V? c; };  Q? !q = new Q;
-struct R { C? a; K? b; W? c; };  R? !r = new R;
-struct S { D? a; L? b; X? c; };  S? !s = new S;
-struct T { E? a; M? b; Y? c; };  T? !t = new T;
-struct U { F? a; N? b; Z? c; };  U? !u = new U;
-struct V { G? a; O? b; A? c; };  V? !v = new V;
-struct W { H? a; P? b; B? c; };  W? !w = new W;
-struct X { I? a; Q? b; C? c; };  X? !x = new X;
-struct Y { J? a; R? b; D? c; };  Y? !y = new Y;
-struct Z { K? a; S? b; E? c; };  Z? !z = new Z;
+struct A { B? f0; C? f1; };  A !a = new A;
+struct B { C? f0; A? f1; };  B !b = new B;
+struct C { A? f0; B? f1; };  C !c = new C;
+
+a.f0=b;  a.f1=c;
+b.f0=c;  b.f1=a;
+c.f0=a;  c.f1=b;
+
+return a.f0.f1.f0.f1.f0;
+
+""");
+        code.parse().opto().typeCheck().GCM().localSched();
+        assertEquals("return B;", code._stop.toString());
+        assertEquals("B{f0=C},f1=A{f0=$cyclic,f1=$cyclic}}", Eval2.eval(code,  0));
+    }
+
+    @Test
+    public void testCoRecur3() {
+        CodeGen code = new CodeGen(
+"""
+struct A { L? a; T? b; F? c; };  A !a = new A;
+struct B { M? a; U? b; G? c; };  B !b = new B;
+struct C { N? a; V? b; H? c; };  C !c = new C;
+struct D { O? a; W? b; I? c; };  D !d = new D;
+struct E { P? a; X? b; J? c; };  E !e = new E;
+struct F { Q? a; Y? b; K? c; };  F !f = new F;
+struct G { R? a; Z? b; L? c; };  G !g = new G;
+struct H { S? a; A? b; M? c; };  H !h = new H;
+struct I { T? a; B? b; N? c; };  I !i = new I;
+struct J { U? a; C? b; O? c; };  J !j = new J;
+struct K { V? a; D? b; P? c; };  K !k = new K;
+struct L { W? a; E? b; Q? c; };  L !l = new L;
+struct M { X? a; F? b; R? c; };  M !m = new M;
+struct N { Y? a; G? b; S? c; };  N !n = new N;
+struct O { Z? a; H? b; T? c; };  O !o = new O;
+struct P { A? a; I? b; U? c; };  P !p = new P;
+struct Q { B? a; J? b; V? c; };  Q !q = new Q;
+struct R { C? a; K? b; W? c; };  R !r = new R;
+struct S { D? a; L? b; X? c; };  S !s = new S;
+struct T { E? a; M? b; Y? c; };  T !t = new T;
+struct U { F? a; N? b; Z? c; };  U !u = new U;
+struct V { G? a; O? b; A? c; };  V !v = new V;
+struct W { H? a; P? b; B? c; };  W !w = new W;
+struct X { I? a; Q? b; C? c; };  X !x = new X;
+struct Y { J? a; R? b; D? c; };  Y !y = new Y;
+struct Z { K? a; S? b; E? c; };  Z !z = new Z;
 
 a.a=l;  a.b=t; a.c=f;
 b.a=m;  b.b=u; b.c=g;
@@ -256,7 +276,6 @@ return a.b.c.a.b.c.a.b.c.a.b.c.a.b.c.a.b.c;
 """);
         code.parse().opto().typeCheck().GCM().localSched();
         assertEquals("return R;", code._stop.toString());
-        assertEquals("R{a=C{a=N{a=Y{a=J{a=U{a=F{a=Q{a=B{a=M{a=X{a=I{a=T{a=E{a=P{a=A{a=L{a=W{a=H{a=S{a=D{a=O{a=Z{a=K{a=V{a=G{a=$cyclic,b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic},b=$cyclic,c=$cyclic}", Eval2.eval(code,  0));
+        assertEquals("R{a=C{a=N},b=V},c=H}},b=K{a=$cyclic,b=D{a=O},b=W},c=I}},c=P}},c=$cyclic}", Eval2.eval(code,  0));
     }
-
 }
diff --git a/src/test/java/com/seaofnodes/simple/Chapter15Test.java b/src/test/java/com/seaofnodes/simple/Chapter15Test.java
index a98e62d8..6ba4e2b1 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter15Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter15Test.java
@@ -5,6 +5,7 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import org.junit.Test;
+import org.junit.Ignore;
 import static org.junit.Assert.*;
 
 public class Chapter15Test {
@@ -49,7 +50,7 @@ output[i] = 1;
 return output;
 """);
         code.parse().opto();
-        assertEquals("return [u8];", code.print());
+        assertEquals("return []u8;", code.print());
         assertEquals("\u0001", Eval2.eval(code,  0));
     }
 
@@ -101,8 +102,8 @@ A?[] !a = new A?[2];
 return a;
 """);
         code.parse().opto();
-        assertEquals("return [*A?];", code.print());
-        assertEquals("*A {int !i; }?[ null,null]", Eval2.eval(code, 0));
+        assertEquals("return []*A?;", code.print());
+        assertEquals("*A {i64 !i; }?[ null,null]", Eval2.eval(code, 0));
     }
 
     @Test
@@ -174,7 +175,7 @@ return root;
 """);
         code.parse().opto();
         assertEquals("return Tree;", code.print());
-        assertEquals("Tree{_kids=*Tree?[ Tree{_kids=null},null]}", Eval2.eval(code,  0));
+        assertEquals("Tree{_kids=*Tree {*[]*Tree?? !_kids; }?[ Tree{_kids=null},null]}", Eval2.eval(code,  0));
     }
 
     @Test
@@ -212,12 +213,12 @@ return ary[1] * 1000 + ary[3]; // 1 * 1000 + 6
         assertEquals("1006", Eval2.eval(code,  4));
     }
 
-    @Test
+    @Test @Ignore
     public void sieveOEratosthenes() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/sieve.smp"));
         CodeGen code = new CodeGen(src+"return sieve(arg);");
         code.parse().opto();
-        assertEquals("return [u32];", code.print());
+        assertEquals("return []u32;", code.print());
         assertEquals("u32[ 2,3,5,7,11,13,17,19]",Eval2.eval(code, 20));
     }
 
@@ -254,9 +255,10 @@ return new flt;
         CodeGen code = new CodeGen(
 """
 flt is = new int[2];
+return is;
 """);
-        try { code.parse().opto(); fail(); }
-        catch( Exception e ) { assertEquals("Type *[int] is not of declared type flt",e.getMessage()); }
+        try { code.parse().opto().typeCheck(); fail(); }
+        catch( Exception e ) { assertEquals("Type *[]i64 is not of declared type flt",e.getMessage()); }
     }
 
     @Test
diff --git a/src/test/java/com/seaofnodes/simple/Chapter16Test.java b/src/test/java/com/seaofnodes/simple/Chapter16Test.java
index 58bb4148..2623fee5 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter16Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter16Test.java
@@ -1,8 +1,6 @@
 package com.seaofnodes.simple;
 
 import com.seaofnodes.simple.codegen.CodeGen;
-import com.seaofnodes.simple.evaluator.Evaluator;
-import com.seaofnodes.simple.node.StopNode;
 import org.junit.Test;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
@@ -115,7 +113,7 @@ Point p = new Point { x=3; y=4; };
 return p;
 """);
         code.parse().opto();
-        assertEquals("return (const)Point;", code.print());
+        assertEquals("return Point;", code.print());
         assertEquals("Point{x=3,y=4}", Eval2.eval(code,  0));
     }
 
@@ -123,24 +121,24 @@ return p;
     public void testStructFinal1() {
         CodeGen code = new CodeGen("""
 struct Point { int x=3, y=4; };
-Point p = new Point { x=5; y=6; };
+val p = new Point { x=5; y=6; };
 p.x++;
 return p;
 """);
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot reassign final 'x'",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Cannot modify final field 'x'",e.getMessage()); }
     }
 
     @Test
     public void testStructFinal2() {
         CodeGen code = new CodeGen("""
 struct Point { int x=3, y=4; };
-Point p = new Point;
+val p = new Point;
 p.x++;
 return p;
 """);
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot reassign final 'x'",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Cannot modify final field 'x'",e.getMessage()); }
     }
 
     @Test
@@ -163,8 +161,8 @@ Point p = new Point;
 p.x++;
 return p;
 """);
-        try { code.parse().opto(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot reassign final 'x'",e.getMessage()); }
+        try { code.parse().opto().typeCheck(); fail(); }
+        catch( Exception e ) { assertEquals("Cannot modify final field 'x'",e.getMessage()); }
     }
 
     @Test
diff --git a/src/test/java/com/seaofnodes/simple/Chapter17Test.java b/src/test/java/com/seaofnodes/simple/Chapter17Test.java
index bdeb645c..53c23ecd 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter17Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter17Test.java
@@ -123,8 +123,8 @@ return s.x;
 
     @Test public void testInt10() {
         CodeGen code = new CodeGen("flt x = 1.5; x++; int i = x; return i;");
-        try { code.parse().opto(); fail(); }
-        catch( Exception e ) { assertEquals("Type 2.5f is not of declared type int",e.getMessage()); }
+        try { code.parse().opto().typeCheck(); fail(); }
+        catch( Exception e ) { assertEquals("Type 2.5f is not of declared type i64",e.getMessage()); }
     }
 
 
@@ -170,15 +170,15 @@ return s.x;
     }
 
     @Test public void testVar6() {
-        CodeGen code = new CodeGen("struct S{int x;}; S s=new S; s.x++; return s.x; // Error initializer so x is immutable ");
+        CodeGen code = new CodeGen("struct S{int x;}; val s = new S; s.x++; return s.x; // Error initializer so x is immutable ");
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot reassign final 'x'",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Cannot modify final field 'x'",e.getMessage()); }
     }
 
     @Test public void testVar7() {
-        CodeGen code = new CodeGen("struct S{int x;}; S s=new S{x=3;}; s.x++; return s.x; // Error initializer so x is immutable ");
+        CodeGen code = new CodeGen("struct S{int x;}; val s = new S{x=3;}; s.x++; return s.x; // Error initializer so x is immutable ");
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot reassign final 'x'",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Cannot modify final field 'x'",e.getMessage()); }
     }
 
     @Test public void testVar8() {
@@ -198,7 +198,7 @@ return s.x;
     @Test public void testVar10() {
         CodeGen code = new CodeGen("struct S{int x;}; val s=new S; s.x++; return s.x; // Error, has val so x is immutable ");
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot reassign final 'x'",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Cannot modify final field 'x'",e.getMessage()); }
     }
 
     @Test public void testVar11() {
@@ -214,9 +214,10 @@ foo.bar.x++;   // Ok foo and foo.bar and foo.bar.x are all mutable
 
 val xfoo = foo; // Throw away mutability
 xfoo.bar.x++;   // Error, cannot mutate through xfoo
+return xfoo.bar.x;
  """);
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Cannot reassign final 'x'",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Cannot modify final field 'x'",e.getMessage()); }
     }
 
     @Test public void testVar12() {
@@ -274,7 +275,7 @@ return new A {
     if (arg) b = new B; // Constructor ends with partial init of b
 }.b;
 """);
-        try { code.parse().opto(); fail(); }
+        try { code.parse(); fail(); }
         catch( Exception e ) { assertEquals("'A' is not fully initialized, field 'b' needs to be set in a constructor",e.getMessage()); }
     }
 
@@ -307,7 +308,7 @@ focus(me);
 return me;
 """
 );
-        try { code.parse().opto().typeCheck(); fail(); }
+        try { code.parse(); fail(); }
         catch( Exception e ) { assertEquals("Syntax error, expected =expression: ;",e.getMessage()); }
     }
 
@@ -491,15 +492,15 @@ return new A;
     @Test
     public void testForward1() {
         CodeGen code = new CodeGen("""
-struct A{
+struct A {
     B?[]? nil_array_of_b;
-    B?[]  not_array_of_b = new B?[0];
+    B?[]      array_of_b;
 };
-return new A.not_array_of_b;
+return new A{array_of_b = new B?[0]; }.array_of_b;
 """);
         code.parse().opto();
-        assertEquals("return (const)[*B?];", code.print());
-        assertEquals("*B?[]", Eval2.eval(code,0));
+        assertEquals("return (const)[]*B?;", code.print());
+        assertEquals("*B {... }?[]", Eval2.eval(code,0));
     }
 
     // ---------------------------------------------------------------
@@ -548,8 +549,8 @@ for( int j=0; j<nprimes; j++ )
 return rez;
 """);
         code.parse().opto().typeCheck().GCM();
-        assertEquals("return [int];", code.print());
-        assertEquals("int[ 2,3,5,7,11,13,17,19]",Eval2.eval(code, 20));
+        assertEquals("return []i64;", code.print());
+        assertEquals("i64[ 2,3,5,7,11,13,17,19]",Eval2.eval(code, 20));
     }
 
 }
diff --git a/src/test/java/com/seaofnodes/simple/Chapter18Test.java b/src/test/java/com/seaofnodes/simple/Chapter18Test.java
index 00d41a23..42f80d86 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter18Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter18Test.java
@@ -64,7 +64,7 @@ return x2;
 };
 """);
         code.parse().opto();
-        assertEquals("return (Parm_x(sq,int)*x);", code._stop.toString());
+        assertEquals("return (Parm_x(sq,i64)*x);", code._stop.toString());
         //assertEquals("{ int -> int #1}", Eval2.eval(code, 3));
     }
 
@@ -78,7 +78,7 @@ var sq = { int x ->
 return sq(arg)+sq(3);
 """);
         code.driver(Phase.LocalSched);
-        assertEquals("Stop[ return (Parm_x(sq,int)*x); return (#2+#2); ]", code._stop.toString());
+        assertEquals("Stop[ return (#2+#2); return (Parm_x(sq,i64)*x); ]", code._stop.toString());
         assertEquals("13", Eval2.eval(code, 2));
     }
 
@@ -116,7 +116,7 @@ var fcn = arg ? { int x -> x*x; } : { int x -> x+x; };
 return fcn(3);
 """);
         code.parse().opto();
-        assertEquals("Stop[ return (Parm_x($fun2,int,3)<<1); return (Parm_x($fun1,int,3)*x); return #2; ]", code._stop.toString());
+        assertEquals("Stop[ return #2; return (Parm_x($fun21,i64,3)*x); return (Parm_x($fun22,i64,3)<<1); ]", code._stop.toString());
         assertEquals("6", Eval2.eval(code, 0));
         assertEquals("9", Eval2.eval(code, 1));
     }
@@ -126,7 +126,7 @@ return fcn(3);
     public void testFcn5() {
         CodeGen code = new CodeGen("val fact = { int x -> x <= 1 ? 1 : x*fact(x-1); }; return fact(arg);");
         code.parse().opto().typeCheck();
-        assertEquals("Stop[ return Phi(Region,1,(Parm_x(fact,int,arg,(x-1))*#2)); return #2; ]", code._stop.toString());
+        assertEquals("Stop[ return #2; return Phi(Region,1,(Parm_x(fact,i64,arg,(x-1))*#2)); ]", code._stop.toString());
         assertEquals( "1", Eval2.eval(code, 0));
         assertEquals( "1", Eval2.eval(code, 1));
         assertEquals( "2", Eval2.eval(code, 2));
@@ -158,7 +158,7 @@ val g = {->2;};
 return 2;
 """);
         code.parse().opto().typeCheck().GCM();
-        assertEquals("Stop[ return 2; return 1; return 1; ]", code._stop.toString());
+        assertEquals("Stop[ return 1; return 1; return 2; ]", code._stop.toString());
         assertEquals("1", Eval2.eval(code,  0));
     }
 
@@ -176,7 +176,7 @@ for(;;) {
 }
 """);
         code.driver(Phase.LocalSched);
-        assertEquals("Stop[ return Parm_i(x,int); return #2; ]", code._stop.toString());
+        assertEquals("Stop[ return #2; return Parm_i(x,i64); ]", code._stop.toString());
         assertEquals("3", Eval2.eval(code,  0));
     }
 
@@ -252,7 +252,7 @@ for(;;) {
 return 0;
 """);
         try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Might be null calling { int -> int #1}?",e.getMessage()); }
+        catch( Exception e ) { assertEquals("Might be null calling { i64 -> i64 #21}?",e.getMessage()); }
     }
 
 
@@ -348,7 +348,7 @@ if (i2i) return i2i(arg);
 return f2f(o)(1);
 """);
         code.driver(Phase.LocalSched);
-        assertEquals("Stop[ return Parm_i(i2i.o,int); return Phi(Region,#2,#2); ]", code._stop.toString());
+        assertEquals("Stop[ return Phi(Region,#2,#2); return Parm_i(i2i.o,i64); ]", code._stop.toString());
         assertEquals("1", Eval2.eval(code,  2));
     }
 
diff --git a/src/test/java/com/seaofnodes/simple/Chapter19Test.java b/src/test/java/com/seaofnodes/simple/Chapter19Test.java
index b8ef22d7..e2a155ce 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter19Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter19Test.java
@@ -303,7 +303,7 @@ return A[1];
     public void sieveOfEratosthenes() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/sieve.smp"));
         CodeGen code = new CodeGen(src).driver(Phase.LocalSched,"x86_64_v2", "SystemV");
-        assertEquals("return [u32];", code.print());
+        assertEquals("return []u32;", code.print());
         //assertEquals("u32[ 2,3,5,7,11,13,17,19]",Eval2.eval(code, 20));
     }
 
@@ -316,7 +316,7 @@ val fcn = arg ? { int x -> x*x; } : { int x -> x+x; };
 return fcn(2)*10 + fcn(3);
 """);
         code.driver(Phase.LocalSched,"x86_64_v2", "SystemV");
-        assertEquals("Stop[ return (shli,Parm_x($fun2,int)); return (mul,Parm_x($fun1,int),x); return (add,#2,(muli,#2)); ]", code.print());
+        assertEquals("Stop[ return (add,#2,(muli,#2)); return (mul,Parm_x($fun21,i64),x); return (shli,Parm_x($fun22,i64)); ]", code.print());
     }
 
     @Test
@@ -327,6 +327,6 @@ val sq = { int x -> x*x; };
 return sq(arg) + sq(3);
 """);
         code.driver(Phase.LocalSched,"x86_64_v2", "SystemV");
-        assertEquals("Stop[ return (mul,Parm_x(sq,int),x); return (add,#2,#2); ]", code.print());
+        assertEquals("Stop[ return (add,#2,#2); return (mul,Parm_x(sq,i64),x); ]", code.print());
     }
 }
diff --git a/src/test/java/com/seaofnodes/simple/Chapter20Test.java b/src/test/java/com/seaofnodes/simple/Chapter20Test.java
index f442ae1a..dcea5c87 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter20Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter20Test.java
@@ -38,9 +38,9 @@ public class Chapter20Test {
     }
 
     @Test public void testAlloc0() {
-        testCPU("return new u8[arg];","x86_64_v2", "SystemV",3,"return [u8];");
-        testCPU("return new u8[arg];","riscv"    , "SystemV",5,"return [u8];");
-        testCPU("return new u8[arg];","arm"      , "SystemV",5,"return [u8];");
+        testCPU("return new u8[arg];","x86_64_v2", "SystemV",3,"return []u8;");
+        testCPU("return new u8[arg];","riscv"    , "SystemV",5,"return []u8;");
+        testCPU("return new u8[arg];","arm"      , "SystemV",5,"return []u8;");
     }
 
     @Test public void testBasic1() {
@@ -103,7 +103,7 @@ return sqrt(arg) + sqrt(cast_int);
     public void testString() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/stringHash.smp"));
         testCPU(src,"x86_64_v2", "SystemV", 9,null);
-        testCPU(src,"riscv"    , "SystemV", 5,null);
+        testCPU(src,"riscv"    , "SystemV", 3,null);
         testCPU(src,"arm"      , "SystemV", 3,null);
     }
 
diff --git a/src/test/java/com/seaofnodes/simple/Chapter21Test.java b/src/test/java/com/seaofnodes/simple/Chapter21Test.java
index 77d1e337..7f4898e0 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter21Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter21Test.java
@@ -3,6 +3,7 @@ package com.seaofnodes.simple;
 import com.seaofnodes.simple.codegen.CodeGen;
 import com.seaofnodes.simple.node.cpus.arm.arm;
 import com.seaofnodes.simple.node.cpus.riscv.riscv;
+import com.seaofnodes.simple.util.SB;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -12,7 +13,7 @@ import static org.junit.Assert.*;
 
 public class Chapter21Test {
 
-    @Test @Ignore
+    @Test
     public void testJig() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/jig.smp"));
         testCPU(src,"x86_64_v2", "Win64"  ,-1,null);
@@ -65,7 +66,7 @@ public class Chapter21Test {
     public void testString() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/stringHash.smp"));
         testCPU(src,"x86_64_v2", "SystemV", 9,null);
-        testCPU(src,"riscv"    , "SystemV", 5,null);
+        testCPU(src,"riscv"    , "SystemV", 3,null);
         testCPU(src,"arm"      , "SystemV", 3,null);
     }
 
diff --git a/src/test/java/com/seaofnodes/simple/Chapter22Test.java b/src/test/java/com/seaofnodes/simple/Chapter22Test.java
index 394ba336..f6410b6a 100644
--- a/src/test/java/com/seaofnodes/simple/Chapter22Test.java
+++ b/src/test/java/com/seaofnodes/simple/Chapter22Test.java
@@ -13,7 +13,7 @@ import static org.junit.Assert.*;
 
 public class Chapter22Test {
 
-    @Test @Ignore
+    @Test
     public void testJig() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/jig.smp"));
         //String src = Files.readString(Path.of("docs/examples/BubbleSort.smp"));
@@ -180,7 +180,7 @@ return cc.cz;
     @Test
     public void testHelloWorld() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/helloWorld.smp"));
-        TestC.run(src,TestC.CALL_CONVENTION,null,null,"build/objs/helloWorld","","Hello, World!",0);
+        TestC.run(src,TestC.CALL_CONVENTION,null, null,null,"build/objs/helloWorld","","Hello, World!",0);
 
         // Evaluate on RISC5 emulator
         EvalRisc5 R5 = TestRisc5.build("helloWorld", 0, 2, false);
@@ -221,7 +221,7 @@ return sum(is);
     @Test @Ignore
     public void testEcho() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/echo.smp"));
-        TestC.run(src,TestC.CALL_CONVENTION,null,null,"build/objs/echo","","",0);
+        TestC.run(src,TestC.CALL_CONVENTION,null, null,null,"build/objs/echo","","",0);
 
         // Evaluate on RISC5 emulator
         EvalRisc5 R5 = TestRisc5.build("echo", 0, 2, false);
diff --git a/src/test/java/com/seaofnodes/simple/Chapter23Test.java b/src/test/java/com/seaofnodes/simple/Chapter23Test.java
new file mode 100644
index 00000000..9d500266
--- /dev/null
+++ b/src/test/java/com/seaofnodes/simple/Chapter23Test.java
@@ -0,0 +1,249 @@
+package com.seaofnodes.simple;
+
+import com.seaofnodes.simple.codegen.CodeGen;
+import com.seaofnodes.simple.node.cpus.riscv.riscv;
+import com.seaofnodes.simple.type.TypeInteger;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import org.junit.Ignore;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+public class Chapter23Test {
+
+    @Test
+    public void testJig() throws IOException {
+        String src =
+"""
+var apply = { i64 x, { i64 -> u32 } fcn ->
+    return fcn(x);
+}
+""";
+    }
+
+    @Test @Ignore
+    public void myOwnSake2() throws IOException {
+        TestC.runS("print","Or",0);
+    }
+
+    static CodeGen testCPU( String src, String cpu, String os, int spills, String stop ) {
+        CodeGen code = new CodeGen(src).driver(CodeGen.Phase.Encoding,cpu,os);
+        int delta = spills>>3;
+        if( delta==0 ) delta = 1;
+        if( spills != -1 )
+            assertEquals("Expect spills:",spills,code._regAlloc._spillScaled,delta);
+        if( stop != null )
+            assertEquals(stop, code._stop.toString());
+        return code;
+    }
+
+    @Test
+    public void testOr() throws IOException {
+        TestC.runS("or1","Or",0);
+
+        // Evaluate on RISC5 emulator
+        EvalRisc5 R5 = TestRisc5.build("or1", 0, 2, false);
+        int trap = R5.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,R5.regs[riscv.A0]);
+        assertEquals("Or",R5._stdout.toString());
+
+        // Evaluate on ARM emulator
+        EvalArm64 arm = TestArm64.build("or1", 0, 2, false);
+        trap = arm.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,arm.regs[0]);
+        assertEquals("Or",arm._stdout.toString());
+    }
+
+    @Test
+    public void testAnd() throws IOException {
+        TestC.runS("and1","And",0);
+
+        // Evaluate on RISC5 emulator
+        EvalRisc5 R5 = TestRisc5.build("and1", 0, 2, false);
+        int trap = R5.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,R5.regs[riscv.A0]);
+        assertEquals("And",R5._stdout.toString());
+
+        // Evaluate on ARM emulator
+        EvalArm64 arm = TestArm64.build("and1", 0, 2, false);
+        trap = arm.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,arm.regs[0]);
+        assertEquals("And",arm._stdout.toString());
+    }
+
+    @Test
+    public void testAndPtr() throws IOException {
+        String src =
+"""
+struct S { S? fld; };
+val ptr = arg == 1 ? null : new S{fld = arg==1 ? null : new S{fld = null;};};
+return ptr && ptr.fld ? "true" : "false";
+        """;
+        CodeGen code = new CodeGen(src).parse().opto().typeCheck();
+        assertEquals("[97-117][ 116,114,117,101]", Eval2.eval(code, 0));
+
+        // Evaluate on RISC5 emulator
+        EvalRisc5 R5 = TestRisc5.build("ptrand", 1, 8, false);
+        int trap = R5.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,R5.regs[riscv.A0]);
+        assertEquals("false",R5._stdout.toString());
+
+        // Evaluate on ARM emulator
+        EvalArm64 arm = TestArm64.build("ptrand", 1, 8, false);
+        trap = arm.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,arm.regs[0]);
+        assertEquals("false",arm._stdout.toString());
+    }
+
+    // conditional side effect
+    @Test
+    public void testCondSideEffAnd() throws IOException {
+        TestC.runS("and2","Effected",0);
+
+        // Evaluate on RISC5 emulator
+        EvalRisc5 R5 = TestRisc5.build("and2", 0, 2, false);
+        int trap = R5.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,R5.regs[riscv.A0]);
+        assertEquals("Effected",R5._stdout.toString());
+
+        // Evaluate on ARM emulator
+        EvalArm64 arm = TestArm64.build("and2", 0, 2, false);
+        trap = arm.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,arm.regs[0]);
+        assertEquals("Effected",arm._stdout.toString());
+    }
+
+
+    @Test
+    public void testCondSideEffOr() throws IOException {
+        TestC.runS("or2","Effected",0);
+
+        // Evaluate on RISC5 emulator
+        EvalRisc5 R5 = TestRisc5.build("or2", 0, 2, false);
+        int trap = R5.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,R5.regs[riscv.A0]);
+        assertEquals("Effected",R5._stdout.toString());
+
+        // Evaluate on ARM emulator
+        EvalArm64 arm = TestArm64.build("or2", 0, 2, false);
+        trap = arm.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,arm.regs[0]);
+        assertEquals("Effected",arm._stdout.toString());
+    }
+
+    // test it with function calls
+    @Test
+    public void testFuncCall() throws IOException {
+        TestC.runS("and3","Or",0);
+
+        // Evaluate on RISC5 emulator
+        EvalRisc5 R5 = TestRisc5.build("and3", 0, 2, false);
+        int trap = R5.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,R5.regs[riscv.A0]);
+        assertEquals("Or",R5._stdout.toString());
+
+        // Evaluate on ARM emulator
+        EvalArm64 arm = TestArm64.build("and3", 0, 2, false);
+        trap = arm.step(100);
+        assertEquals(0,trap);
+        assertEquals(0,arm.regs[0]);
+        assertEquals("Or",arm._stdout.toString());
+    }
+
+    @Test
+    public void testFRefFields() {
+        String src =
+"""
+// A hypothetical scanner class
+struct Scan {
+    int !x;
+    u8[~] buf;
+    // Skip whitespace
+    val skip = { Scan s ->
+        while( s.buf[s.x] <= ' ' )
+            s.x++;
+    };
+    // Peek a character; if matched consume it, else false.
+    val peek = { Scan s, u8 c ->
+        skip(s);
+        if( s.buf[s.x] != c ) return false;
+        s.x++;
+        return true;
+    };
+};
+Scan !s = new Scan{ buf = "  q"; };
+return Scan.peek(s,'q');
+        """;
+
+        CodeGen code = new CodeGen(src).parse().opto().typeCheck();
+        assertEquals("return Phi(Region,0,1);", code._stop.toString());
+        assertEquals("1", Eval2.eval(code, 0));
+        testCPU(src,"x86_64_v2", "Win64"  ,17,null);
+    };
+
+    @Test
+    public void testFRefFields2() {
+        String src =
+"""
+// A hypothetical scanner class
+struct Scan {
+    int !x;
+    u8[~] buf;
+    // Skip whitespace
+    val skip = { ->
+        while( buf[x] <= ' ' )
+            x++;
+        return self;
+    };
+};
+val s = new Scan{ buf = "  q"; };
+return s.skip().x;
+        """;
+
+        try { new CodeGen(src).parse().opto().typeCheck(); fail(); }
+        catch( Exception e ) { assertEquals("Argument #0 isa *Scan {i64 x; *[]u8 buf; { *Scan -> *Scan {i64 !x; *[]u8 buf; {21} skip; } #21} skip; }, but must be a *Scan {i64 !x; *[]u8 buf; ... }",e.getMessage()); }
+    };
+
+
+    @Test
+    public void testMethod() {
+        String src =
+"""
+// A hypothetical scanner class
+struct Scan {
+    int !x;
+    u8[~] buf;
+    // Skip whitespace
+    val skip = { ->
+        while( buf[x] <= ' ' )
+            x++;
+    };
+    val require = { u8 ch ->
+        skip();
+        buf[x++]==ch;
+    };
+};
+Scan !s = new Scan{ buf = "  [1,2]"; };
+return s.require('[');
+        """;
+
+        CodeGen code = new CodeGen(src).parse().opto().typeCheck();
+        assertEquals("return (.[]==91);", code._stop.toString());
+        assertEquals("1", Eval2.eval(code, 0));
+        testCPU(src,"x86_64_v2", "Win64"  ,16,null);
+    };
+
+
+}
diff --git a/src/test/java/com/seaofnodes/simple/Eval2.java b/src/test/java/com/seaofnodes/simple/Eval2.java
index 86f0e9db..094b5143 100644
--- a/src/test/java/com/seaofnodes/simple/Eval2.java
+++ b/src/test/java/com/seaofnodes/simple/Eval2.java
@@ -4,6 +4,8 @@ import com.seaofnodes.simple.codegen.CodeGen;
 import com.seaofnodes.simple.node.*;
 import com.seaofnodes.simple.print.IRPrinter;
 import com.seaofnodes.simple.type.*;
+import com.seaofnodes.simple.util.SB;
+import com.seaofnodes.simple.util.Utils;
 import java.util.*;
 
 public abstract class Eval2 {
@@ -115,7 +117,7 @@ public abstract class Eval2 {
     public static String eval( CodeGen code, long arg ) { return eval(code,arg,1000); }
     public static String eval( CodeGen code, long arg, int timeout ) {
         if( code._start.uctrl()==null ) return ""; // The empty program
-        SB trace = null; // new SB(); // TRACE, set to null for off, new SB() for on
+        SB trace = null; // = new SB(); // TRACE, set to null for off, new SB() for on
         // Force local scheduling phase
         code.driver(CodeGen.Phase.LocalSched);
         // Set global, so don't have to pass everywhere
@@ -302,9 +304,20 @@ public abstract class Eval2 {
         return switch ( t ) {
         case TypeInteger i -> i.isConstant() ? (Long  )i.value() : "INT";
         case TypeFloat   f -> f.isConstant() ? (Double)f.value() : "FLT";
-        case TypeMemPtr tmp -> tmp;
         case TypeFunPtr tfp -> tfp;
         case TypeMem mem -> "MEM";
+        case TypeMemPtr tmp -> {
+            if( tmp._obj.isAry() ) { // Constant array ptr
+                TypeConAry con = (TypeConAry)tmp._obj.field("[]")._t;
+                Object[] xs = new Object[con.len()];
+                for( int i=0; i<con.len(); i++ )
+                    xs[i] = con.at8(i);
+                yield xs;
+
+            } else {
+                throw Utils.TODO(); // Constant non-array ptr
+            }
+        }
         default -> null;
         };
     }
@@ -313,8 +326,7 @@ public abstract class Eval2 {
     private static int offToIdx( long off, TypeStruct t) {
         off -= t.aryBase();
         int scale = t.aryScale();
-        long mask = (1L << scale)-1;
-        assert (off & mask) == 0;
+        assert (off & ((1L << scale)-1)) == 0;
         return (int)(off>>scale);
     }
 
@@ -328,7 +340,7 @@ public abstract class Eval2 {
             if( n!=x || n<0 )
                 throw new NegativeArraySizeException(""+n);
             Object[] ary = new Object[n]; // Array body
-            var elem = type._fields[1]._type;
+            var elem = type._fields[1]._t;
             if (elem instanceof TypeInteger) {
                 Arrays.fill( ary, 0L );
             } else if (elem instanceof TypeFloat) {
@@ -342,7 +354,7 @@ public abstract class Eval2 {
         int num = type._fields.length;
         Object[] ptr = new Object[num];
         for( int i=0; i<num; i++ )
-            ptr[i] = con(type._fields[i]._type.makeZero());
+            ptr[i] = con(type._fields[i]._t.makeZero());
         return ptr;
     }
 
@@ -350,11 +362,12 @@ public abstract class Eval2 {
         Object f = val(ld.ptr());
         // Check for dense constant array
         if( f instanceof TypeMemPtr tmp ) {
-            assert tmp._obj._con != TypeConAry.BOT;
-            if( ld._name.equals("#") )
-                return (long)tmp._obj._con.len();
-            int idx = offToIdx(x(ld.off()),tmp._obj);
-            return tmp._obj._con.at(idx);
+            //assert tmp._obj._con != TypeConAry.BOT;
+            //if( ld._name.equals("#") )
+            //    return (long)tmp._obj._con.len();
+            //int idx = offToIdx(x(ld.off()),tmp._obj);
+            //return tmp._obj._con.at(idx);
+            throw Utils.TODO();
         }
         Object[] fs = (Object[])f;
         if( ld._name.equals("#") )
@@ -412,14 +425,11 @@ public abstract class Eval2 {
         case TypeMemPtr tmp -> {
             if( visit.containsKey(x) ) yield sb.p("$cyclic");
             visit.put(x,x);
-            // Since never can close the type cycle, without cyclic types, have
-            // to handle FRefs even here
-            if( tmp.isFRef() )
-                tmp = tmp.makeFrom(((TypeMemPtr)Parser.TYPES.get(tmp._obj._name))._obj);
+            assert !tmp.isFRef();
 
             Object[] xs = (Object[])x; // Array of fields
             if( tmp._obj.isAry() ) {
-                Type elem = tmp._obj._fields[1]._type;
+                Type elem = tmp._obj._fields[1]._t;
                 if( elem == TypeInteger.U8 ) {
                     // Shortcut u8[] as a String
                     for( Object o : xs )
@@ -427,6 +437,7 @@ public abstract class Eval2 {
                 } else {
                     // Array of elements
                     elem.print(sb).p("[ ");
+                    if( elem instanceof TypeConAry ) elem = TypeInteger.ZERO;
                     for( Object o : xs )
                         _print( elem, o, sb, visit ).p( "," );
                     sb.unchar().p("]");
@@ -435,7 +446,7 @@ public abstract class Eval2 {
                 sb.p(tmp._obj._name).p("{");
                 Field[] flds = tmp._obj._fields;
                 for( int i=0; i<flds.length; i++ )
-                    _print( flds[i]._type,xs[i], sb.p(flds[i]._fname).p("="), visit ).p(",");
+                    _print( flds[i]._t,xs[i], sb.p(flds[i]._fname).p("="), visit ).p(",");
                 sb.unchar().p("}");
             }
             yield sb;
diff --git a/src/test/java/com/seaofnodes/simple/EvalArm64.java b/src/test/java/com/seaofnodes/simple/EvalArm64.java
index 981799bb..c719b8e8 100644
--- a/src/test/java/com/seaofnodes/simple/EvalArm64.java
+++ b/src/test/java/com/seaofnodes/simple/EvalArm64.java
@@ -2,6 +2,7 @@ package com.seaofnodes.simple;
 
 import com.seaofnodes.simple.codegen.Encoding;
 import com.seaofnodes.simple.node.cpus.arm.arm;
+import com.seaofnodes.simple.util.Utils;
 import java.io.ByteArrayOutputStream;
 
 public class EvalArm64 {
@@ -572,11 +573,16 @@ public class EvalArm64 {
                 break;
             }
             case 0xD6: {
+                if( (ir & 0xFFFF) != 0 ) throw Utils.TODO();
+                if( ((ir>>16) & 0xFF) != 0x5F ) throw Utils.TODO(); // 0x3F is register call
                 rdid = -1;
+                int rn = ir << 22 >> 27;
+                assert rn == 0;
+                pc = (int)regs[30];
                 // Return to zero breaks simulation
-                if(regs[30] == 0)
-                    break outer;
-                throw Utils.TODO();
+                if( pc==0 ) break outer;
+                pc -= 4;        // Undo post-increment
+                break;
             }
 
             case 0xF1: {
diff --git a/src/test/java/com/seaofnodes/simple/EvalRisc5.java b/src/test/java/com/seaofnodes/simple/EvalRisc5.java
index 0a1c034f..8c0a8792 100644
--- a/src/test/java/com/seaofnodes/simple/EvalRisc5.java
+++ b/src/test/java/com/seaofnodes/simple/EvalRisc5.java
@@ -10,6 +10,7 @@
 
 import com.seaofnodes.simple.codegen.Encoding;
 import com.seaofnodes.simple.node.cpus.riscv.riscv;
+import com.seaofnodes.simple.util.Utils;
 import java.io.ByteArrayOutputStream;
 import java.util.Arrays;
 
diff --git a/src/test/java/com/seaofnodes/simple/MergeSortTest.java b/src/test/java/com/seaofnodes/simple/MergeSortTest.java
index a1004fb5..65eb525c 100644
--- a/src/test/java/com/seaofnodes/simple/MergeSortTest.java
+++ b/src/test/java/com/seaofnodes/simple/MergeSortTest.java
@@ -2,6 +2,7 @@ package com.seaofnodes.simple;
 
 import com.seaofnodes.simple.codegen.CodeGen;
 import com.seaofnodes.simple.node.cpus.riscv.riscv;
+import com.seaofnodes.simple.util.SB;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
diff --git a/src/test/java/com/seaofnodes/simple/Simple.java b/src/test/java/com/seaofnodes/simple/Simple.java
index cc044b6f..f765d939 100644
--- a/src/test/java/com/seaofnodes/simple/Simple.java
+++ b/src/test/java/com/seaofnodes/simple/Simple.java
@@ -2,12 +2,12 @@ package com.seaofnodes.simple;
 
 import com.seaofnodes.simple.codegen.CodeGen;
 import com.seaofnodes.simple.print.*;
-
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.io.InputStreamReader;
+import com.seaofnodes.simple.util.Utils;
 import java.io.BufferedReader;
 import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.stream.Collectors;
 
 public class Simple {
diff --git a/src/test/java/com/seaofnodes/simple/TestC.java b/src/test/java/com/seaofnodes/simple/TestC.java
index 93fa9b66..dbe9f02f 100644
--- a/src/test/java/com/seaofnodes/simple/TestC.java
+++ b/src/test/java/com/seaofnodes/simple/TestC.java
@@ -1,6 +1,9 @@
 package com.seaofnodes.simple;
 
 import com.seaofnodes.simple.codegen.CodeGen;
+import com.seaofnodes.simple.type.TypeInteger;
+import com.seaofnodes.simple.util.Ary;
+import com.seaofnodes.simple.util.Utils;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -27,7 +30,7 @@ public abstract class TestC {
     }
 
     // Compile and run a simple program
-    public static void run( String dir, String file, String expected, int spills ) throws IOException {
+    public static void run( String dir, String file, TypeInteger arg, String expected, int spills, boolean standalone) throws IOException {
         // Files
         String  cfile = dir+"/"+file+".c"  ;
         String  sfile = dir+"/"+file+".smp";
@@ -35,15 +38,28 @@ public abstract class TestC {
 
         // Compile and export Simple
         String src = Files.readString(Path.of(sfile));
-        run(src,CALL_CONVENTION,"",cfile,efile,"S",expected,spills);
+        run(src,CALL_CONVENTION,arg, "",standalone? null: cfile,efile,"S",expected,spills);
+    }
+    public static void run(String dir, String file, String expected, int spills ) throws IOException {
+        run(dir, file,null, expected, spills, false);
+    }
+
+    public static void runS(String file, String expected, int spills ) throws IOException {
+        run("src/test/java/com/seaofnodes/simple/progs", file, null, expected, spills, true);
     }
 
-    public static void run( String src, String simple_conv, String c_conv, String cfile, String efile, String xtn, String expected, int spills ) throws IOException {
+    public static void runS(String file, TypeInteger arg, String expected, int spills ) throws IOException {
+        run("src/test/java/com/seaofnodes/simple/progs", file, arg, expected, spills, true);
+    }
+
+
+    public static void run( String src, String simple_conv, TypeInteger arg, String c_conv, String cfile, String efile, String xtn, String expected, int spills ) throws IOException {
         String bin = efile+xtn;
         String obj = bin+".o";
         String exe = OS.startsWith("Windows") ? bin+".exe" : bin;
         // Compile simple, emit ELF
-        CodeGen code = new CodeGen(src).driver( CPU_PORT, simple_conv, obj);
+        CodeGen code = new CodeGen(src, arg).driver( CPU_PORT, simple_conv, obj);
+
         String result = gcc(obj, c_conv, cfile, false, exe );
         assertEquals(expected,result);
 
diff --git a/src/test/java/com/seaofnodes/simple/TypeTest.java b/src/test/java/com/seaofnodes/simple/TypeTest.java
index 660f984a..0fd56607 100644
--- a/src/test/java/com/seaofnodes/simple/TypeTest.java
+++ b/src/test/java/com/seaofnodes/simple/TypeTest.java
@@ -11,23 +11,25 @@ public class TypeTest {
     @Test
     public void testTypeAdHoc() {
         Assert.assertEquals( Type.BOTTOM, TypeInteger.TRUE.meet(TypeNil.NIL) );
-        Assert.assertEquals( Type.BOTTOM, TypeInteger.TOP.meet(TypeNil.NIL) );
-
-
-        TypeStruct s1 = TypeStruct.make("s1", new Field[]{
-                Field.make("a", TypeInteger.BOT,-1, false),
-                Field.make("b", TypeInteger.BOT,-2, false) });
-        TypeStruct s2 = TypeStruct.make("s2", new Field[]{
-                Field.make("a", TypeInteger.BOT,-3, false),
-                Field.make("b", TypeInteger.BOT,-4, false) });
-        Assert.assertEquals(s1.makeRO(), s1.glb(false));
+        Assert.assertEquals( Type.BOTTOM, TypeInteger.TOP .meet(TypeNil.NIL) );
+
+        TypeStruct s1 = TypeStruct.make("s1",false,
+                Field.make("a", TypeInteger.BOT,-1, false, false),
+                Field.make("b", TypeInteger.BOT,-2, false, false) );
+        TypeStruct s2 = TypeStruct.make("s2",false,
+                Field.make("a", TypeInteger.BOT,-3, false, false),
+                Field.make("b", TypeInteger.BOT,-4, false, false) );
+        TypeStruct x1ro = (TypeStruct)s1.makeRO();
+        TypeMemPtr p1 = TypeMemPtr.make(s1);
+        Assert.assertEquals(x1ro, ((TypeMemPtr)p1.glb(false))._obj);
         Assert.assertNotEquals(s1, s1.dual());
-        Assert.assertEquals(s1.makeRO(), s1.dual().glb(false));
+        TypeStruct s1dglb = ((TypeMemPtr)p1.dual().glb(false))._obj;
+        Assert.assertTrue(x1ro.isa(s1dglb));
 
-        TypeMem m1 = TypeMem.make(1,TypeNil.NIL);
-        TypeMem m2 = TypeMem.make(2,TypeInteger.U16);
-        TypeMem m3 = TypeMem.make(3,TypeFloat.F64);
-        TypeMem m4 = TypeMem.make(4,TypeInteger.BOT);
+        TypeMem m1 = TypeMem.make(2,TypeNil.NIL);
+        TypeMem m2 = TypeMem.make(3,TypeInteger.U16);
+        TypeMem m3 = TypeMem.make(4,TypeFloat.F64);
+        TypeMem m4 = TypeMem.make(5,TypeInteger.BOT);
 
         Assert.assertNotEquals(m1, m2);
         Assert.assertNotEquals(m2, m3);
@@ -35,11 +37,11 @@ public class TypeTest {
 
         Assert.assertEquals(TypeStruct.BOT, s1.meet(s2));
         Assert.assertEquals(TypeMem   .BOT, m1.meet(m2));
-        Assert.assertEquals(TypeMem.make(0,Type.BOTTOM), m1.meet(m3));
+        Assert.assertEquals(TypeMem.make(1,Type.BOTTOM), m1.meet(m3));
         Assert.assertEquals(TypeMem   .BOT, m3.meet(m4));
 
-        Assert.assertEquals(TypeMem.make(1,Type.BOTTOM), m1.glb(false));
-        Assert.assertEquals(TypeMem.make(1,Type.XNIL), m1.dual());
+        Assert.assertEquals(TypeMem.make(2,Type.BOTTOM), m1.glb(false));
+        Assert.assertEquals(TypeMem.make(2,Type.XNIL), m1.dual());
         Assert.assertEquals(m4.dual(), m4.glb(false).dual());
 
         TypeMemPtr ptr1 = TypeMemPtr.make(s1);
@@ -55,13 +57,15 @@ public class TypeTest {
         Assert.assertEquals(s2, ptr2nil._obj);
 
         Assert.assertNotEquals(ptr1, ptr2);
-        Assert.assertNotEquals(ptr1, ptr1.glb(false));
-        Assert.assertEquals(ptr1nil.makeRO(), ptr1.glb(false));
+        Type p1glb = ptr1.glb(false);
+        Assert.assertNotEquals(ptr1, p1glb );
+        Type p1nro = ptr1nil.makeRO();
+        Assert.assertEquals(p1nro, p1glb);
 
         Assert.assertEquals(ptr1, ptr1.dual().dual());
-        Assert.assertEquals(ptr1.glb(false).makeRO(), ptr1.dual().glb(false));
+        Assert.assertTrue(p1glb.makeRO().isa( ptr1.dual().glb(false)));
         Assert.assertEquals(TypeMemPtr.makeNullable(TypeStruct.BOT), ptr1.meet(ptr2nil));
-        Assert.assertEquals(ptr1.glb(false), ptr1.meet(TypeNil.NIL).makeRO());
+        Assert.assertEquals(p1glb, ptr1.meet(TypeNil.NIL).makeRO());
 
         TypeMemPtr TOP = TypeMemPtr.TOP;
         TypeMemPtr BOT = TypeMemPtr.makeNullable(TypeStruct.BOT);
@@ -77,6 +81,19 @@ public class TypeTest {
         Assert.assertEquals(TypePtr.XNPTR, NULL_join_PTR);
         Type ptr1_dual = ptr1.dual();
         Type nullableptr1_dual = ptr1nil.dual();
+
+        // Cyclic check
+        TypeStruct S1 = ((TypeMemPtr)TypeStruct.SFLT2.field("s1")._t)._obj;
+        Assert.assertFalse(s1.isFinal());
+        Type s1ro  = S1.makeRO();
+        Type s1ro2 = S1.makeRO();
+        Assert.assertSame(s1ro,s1ro2);
+        Assert.assertTrue(s1ro.isFinal());
+
+        Assert.assertFalse(S1.isConstant());
+        Type s1glb  = S1.field("s2")._t.glb(false);
+        Type s1glb2 = S1.field("s2")._t.glb(false);
+        Assert.assertSame(s1glb,s1glb2);
     }
 
     // Test theoretical properties.
@@ -150,9 +167,32 @@ public class TypeTest {
     // Test cyclic types and meets
     @Test
     public void testCyclic0() {
-        Type d0 = TypeStruct.S1.dual();
+        Type d0 = TypeStruct.SFLT2.dual();
         Type d1 = d0.dual();
-        assertSame(TypeStruct.S1,d1);
+        assertSame(TypeStruct.SFLT2,d1);
     }
 
+    @Test
+    public void testGLB() {
+        Type[] ts = Type.gather();
+        for( Type t0 : ts )
+            if( !(t0 instanceof Field || t0 instanceof TypeStruct || t0 instanceof TypeTuple || t0 instanceof TypeConAry ) )
+                Assert.assertTrue(t0.isa(t0.glb(false)));
+    }
+
+    @Test
+    public void testList() {
+        TypeStruct list = TypeStruct.open("List");
+        TypeMemPtr plist = TypeMemPtr.makeNullable(list);
+        list = list.add(Field.make("next", plist, 2, false, false ) );
+        list = list.add(Field.make("x", TypeInteger.BOT, 3, false, false));
+        // Make a cyclic type
+        list = list.close();
+        // Fields are mutable
+        Assert.assertFalse(list.isFinal());
+        TypeStruct flist = (TypeStruct)list.makeRO();
+        Assert.assertTrue(flist.isFinal());
+        Assert.assertNotSame( list, flist );
+
+    }
 }
diff --git a/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java b/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java
index a3b87e90..911acc5c 100644
--- a/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java
+++ b/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java
@@ -1,9 +1,8 @@
 package com.seaofnodes.simple.evaluator;
 
-import com.seaofnodes.simple.Utils;
 import com.seaofnodes.simple.node.*;
 import com.seaofnodes.simple.type.*;
-
+import com.seaofnodes.simple.util.Utils;
 import java.util.*;
 
 public class Evaluator {
@@ -190,7 +189,7 @@ public class Evaluator {
             if( n < 0 )
                 throw new NegativeArraySizeException(""+n);
             body = new Object[(int)n+1]; // Array body
-            var elem = type._fields[1]._type;
+            var elem = type._fields[1]._t;
             if (elem instanceof TypeInteger) {
                 for (int i=0; i<n; i++) body[i+1] = 0L;
             } else if (elem instanceof TypeFloat) {
@@ -203,7 +202,7 @@ public class Evaluator {
         } else {
             body = new Object[num = type._fields.length];
             for( int i=0; i<num; i++ )
-                body[i] = switch( alloc._ptr._obj._fields[i]._type ) {
+                body[i] = switch( alloc._ptr._obj._fields[i]._t ) {
                 case TypeInteger ti -> 0L;
                 case TypeFloat tf -> 0;
                 default -> null;
diff --git a/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java b/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java
index 7ba9272f..fee0f2a8 100644
--- a/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java
+++ b/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java
@@ -1,9 +1,8 @@
 package com.seaofnodes.simple.evaluator;
 
-import com.seaofnodes.simple.Utils;
 import com.seaofnodes.simple.node.*;
 import com.seaofnodes.simple.type.Type;
-
+import com.seaofnodes.simple.util.Utils;
 import java.util.*;
 
 /**
diff --git a/src/test/java/com/seaofnodes/simple/fuzzer/Fuzzer.java b/src/test/java/com/seaofnodes/simple/fuzzer/Fuzzer.java
index 30a548ad..77e61b42 100644
--- a/src/test/java/com/seaofnodes/simple/fuzzer/Fuzzer.java
+++ b/src/test/java/com/seaofnodes/simple/fuzzer/Fuzzer.java
@@ -22,7 +22,7 @@ import java.util.function.Consumer;
  */
 public class Fuzzer {
 
-    private static final int EVAL_TIMEOUT = 1000;
+    private static final int EVAL_TIMEOUT = 10000;
 
     /**
      * List of exceptions already encountered.
@@ -82,10 +82,10 @@ public class Fuzzer {
     private static void runCheck(String script, boolean valid) {
         CodeGen code1;
         try {
-            code1 = FuzzerUtils.parse(script, 123);
+            code1 = FuzzerUtils.parse(script, 123, true);
         } catch (RuntimeException e1) {
             try {
-                FuzzerUtils.parse(script, 456);
+                FuzzerUtils.parse(script, 456, false);
             } catch (RuntimeException e2) {
                 if (FuzzerUtils.isExceptionFromSameCause(e1, e2)) {
                     if (!valid || e1.getClass() == Parser.ParseException.class) return;
@@ -95,7 +95,7 @@ public class Fuzzer {
             }
             throw e1;
         }
-        CodeGen code2 = FuzzerUtils.parse(script, 456);
+        CodeGen code2 = FuzzerUtils.parse(script, 456, false);
         checkGraphs(code1, code2, 0);
         checkGraphs(code1, code2, 1);
         checkGraphs(code1, code2, 10);
diff --git a/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java b/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java
index b90b663d..e08b73fc 100644
--- a/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java
+++ b/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java
@@ -94,13 +94,13 @@ class FuzzerUtils {
     /**
      * Parse script with peepholes enabled or disabled
      */
-    public static CodeGen parse(String script, long workListSeed) {
+    public static CodeGen parse(String script, long workListSeed, boolean reset) {
         var err = System.err;
         var out = System.out;
         try {
             System.setErr(NULL_PRINT_STREAM);
             System.setOut(NULL_PRINT_STREAM);
-            var code = new CodeGen(script, TypeInteger.BOT, workListSeed);
+            var code = new CodeGen(script, TypeInteger.BOT, workListSeed, reset);
             return code.driver(CodeGen.Phase.LocalSched);
         } finally {
             System.setErr(err);
diff --git a/src/test/java/com/seaofnodes/simple/fuzzer/Reducer.java b/src/test/java/com/seaofnodes/simple/fuzzer/Reducer.java
index 3731b40c..856e6a24 100644
--- a/src/test/java/com/seaofnodes/simple/fuzzer/Reducer.java
+++ b/src/test/java/com/seaofnodes/simple/fuzzer/Reducer.java
@@ -41,14 +41,15 @@ public class Reducer {
             new Replace(Pattern.compile("(?<=\\n|^)[^\\n]+(?=\\n|$)"), true, ""),
             new Replace(Pattern.compile("(?<=[+\\-*/<>=(])--"), ""),
             new Replace(Pattern.compile("\\b--"), "+"),
-            new Replace(Pattern.compile("-"), ""),
+            new Replace(Pattern.compile("[-!]"), ""),
             new Replace(Pattern.compile("\\b\\+-"), "-"),
-            new Replace(Pattern.compile("(?<![+\\-*/<>=])(?:-|\\*|/|>=|<=|>|<|!=|==)(?![+\\-*/<>=])"), "+"),
+            new Replace(Pattern.compile("(?<![+\\-*/<>=&|])(?:-|\\*|/|>=|<=|>>>|>>|>|<<|<|!=|==|&&|\\|\\||&|\\||^)(?![+*/<>=&|])"), "+"),
+            new Replace(Pattern.compile("\\?([^;]+):"), "+"),
             new Replace(Pattern.compile("\\{((?:[^{}]|\\{})+)(?:\\n[ \\t]*)?}"), "", "{}", 1),
             new Replace(Pattern.compile("(?<=\\n|^)([ \\t]*)\\{\\n(.*?)\\n\\1}", Pattern.DOTALL), 2),
             new Replace(Pattern.compile("\\(([^()]+)\\)"), 1),
-            new Replace(Pattern.compile("\\d+\\+"), ""),
-            new Replace(Pattern.compile("\\+\\d+"), ""),
+            new Replace(Pattern.compile("\\d+ ?\\+ ?"), ""),
+            new Replace(Pattern.compile(" ?\\+ ?\\d+"), ""),
             new Replace(Pattern.compile("\\n\\n+"), "\n"),
             new Replace(Pattern.compile("^\\n+|\\n+$"), ""),
             new Replace(Pattern.compile("else *"), ""),
@@ -105,7 +106,7 @@ public class Reducer {
      * Clean up variable names from the random ones generated by the fuzzer.
      */
     private String cleanVariables(String script) {
-        var matcher = Pattern.compile("\\b([0-9a-zA-Z_]+) ([0-9a-zA-Z_]+)").matcher(script);
+        var matcher = Pattern.compile("\\b([0-9a-zA-Z_]+) !?([0-9a-zA-Z_]+)").matcher(script);
         int[] num = {0, 0};
         while (matcher.find()) {
             var type = matcher.group(1);
diff --git a/src/test/java/com/seaofnodes/simple/fuzzer/ScriptGenerator.java b/src/test/java/com/seaofnodes/simple/fuzzer/ScriptGenerator.java
index 4f86d0be..7d9e6483 100644
--- a/src/test/java/com/seaofnodes/simple/fuzzer/ScriptGenerator.java
+++ b/src/test/java/com/seaofnodes/simple/fuzzer/ScriptGenerator.java
@@ -20,12 +20,9 @@ import static com.seaofnodes.simple.Parser.KEYWORDS;
 public class ScriptGenerator {
 
     private static final int MAX_STATEMENTS_PER_BLOCK = 5;
-    private static final int MAX_BINARY_EXPRESSIONS_PER_EXPRESSION = 10;
-    private static final int MAX_UNARY_EXPRESSIONS_PER_EXPRESSION = 6;
     private static final int MAX_NAME_LENGTH = 10;
     private static final int MAX_BLOCK_DEPTH = 4;
     private static final int MAX_EXPRESSION_DEPTH = 10;
-    private static final int MAX_SUFFIX_RECURSIVE_DEPTH = 10;
 
     /**
      * Number of spaces per indentation
@@ -44,14 +41,6 @@ public class ScriptGenerator {
      * Flag for a statement that it contains a final if statement without an else branch.
      */
     private static final int FLAG_IF_WITHOUT_ELSE = 0x02;
-    /**
-     * Binary operators.
-     */
-    private static final String[] BINARY_OP = {"==", "!=", "<", "<=", ">", ">=", "+", "-", "*", "/", "&", ">>", ">>>", "<<"};
-    /**
-     * Unary operators.
-     */
-    private static final String[] UNARY_OP = {"-"};
 
     private static class Type {
         final String name;
@@ -147,10 +136,6 @@ public class ScriptGenerator {
      */
     private int depth = MAX_BLOCK_DEPTH;
     /**
-     * The depth of expressions allowed.
-     */
-    private int exprDepth = MAX_EXPRESSION_DEPTH;
-    /**
      * Current variables in scope.
      */
     private final ArrayList<Variable> variables = new ArrayList<>();
@@ -568,7 +553,7 @@ public class ScriptGenerator {
      */
     public int genIf() {
         sb.append("if(");
-        genExpression(TYPE_BOOL, true);
+        genExpression(TYPE_BOOL, true, true);
         sb.append(") ");
         var stop = genStatementBlock();
         if ((stop & FLAG_IF_WITHOUT_ELSE) == 0 && random.nextInt(10) > 3) {
@@ -614,7 +599,7 @@ public class ScriptGenerator {
      */
     public int genWhile() {
         sb.append("while(");
-        genExpression(TYPE_BOOL, true);
+        genExpression(TYPE_BOOL, true, true);
         sb.append(") ");
         loopDepth++;
         genStatementBlock();
@@ -640,17 +625,17 @@ public class ScriptGenerator {
         indentation += INDENTATION;
         String name = getVarName();
         printIndentation().append("int ").append(name).append("=");
-        genExpression(TYPE_INT, true);
+        genExpression(TYPE_INT, true, false);
         sb.append(";\n");
         addVariable(name, TYPE_INT);
         printIndentation().append("while(").append(name).append("<");
-        genExpression(TYPE_INT, true);
+        genShift(TYPE_INT, true, false, MAX_EXPRESSION_DEPTH);
         sb.append(") {\n");
         indentation += INDENTATION;
         depth--;
         loopDepth++;
         printIndentation().append(name).append("=").append(name).append("+");
-        genExpression(TYPE_INT, true);
+        genExpression(TYPE_INT, true, false);
         sb.append(";\n");
         genStatements();
         loopDepth--;
@@ -675,7 +660,7 @@ public class ScriptGenerator {
         sb.append(generateInvalid() ? getRandomName() : type.name).append(" !").append(name);
         if (!(type instanceof TypeNullable) || random.nextBoolean()) {
             sb.append("=");
-            genExpression(type, true);
+            genExpression(type, true, type==TYPE_BOOL);
         }
         sb.append(";");
         addVariable(name, type);
@@ -710,7 +695,7 @@ public class ScriptGenerator {
             declared = field.type;
         }
         sb.append("=");
-        genExpression(declared, true);
+        genExpression(declared, true, declared==TYPE_BOOL);
         sb.append(";");
         return 0;
     }
@@ -722,43 +707,127 @@ public class ScriptGenerator {
     public int genReturn() {
         var type = getType();
         sb.append("return ");
-        genExpression(type, true);
+        genExpression(type, true, false);
         sb.append(";");
         return FLAG_STOP;
     }
 
-    /**
-     * Generate a binary expression.
-     * This method does not care about operator precedence.
-     */
-    public void genExpression(Type type, boolean change) {
+    public void genExpression(Type type, boolean change, boolean preferLogical) {
+        genExpression(type, change, preferLogical, MAX_EXPRESSION_DEPTH);
+    }
+
+    public void genExpression(Type type, boolean change, boolean preferLogical, int d) {
         if (change && generateInvalid()) type = getType();
-        if (!(type instanceof TypeInt) && type != TYPE_FLT) {
-            genUnary(type, false);
-            return;
+        if (d > 0 && random.nextInt(10)==0) {
+            genLogical(TYPE_INT, true, true, d);
+            sb.append("?");
+            genExpression(type, true, preferLogical, d-1);
+            sb.append(":");
+            genExpression(type, false, preferLogical, d-1);
+        } else {
+            genLogical(type, false, preferLogical, d);
+        }
+    }
+
+    public void genLogical(Type type, boolean change, boolean preferLogical, int d) {
+        if (change && generateInvalid()) type = getType();
+        genBitwise(type, false, preferLogical, d);
+        while (d-->0 && random.nextInt(preferLogical?5:50) == 0) {
+            sb.append(random.nextBoolean()?"&&":"||");
+            genBitwise(type, true, preferLogical, d);
+        }
+    }
+
+    public void genBitwise(Type type, boolean change, boolean preferLogical, int d) {
+        if (change && generateInvalid()) type = getType();
+        genComparison(type, false, preferLogical, d);
+        while (type instanceof TypeInt && d-->0 && random.nextInt(preferLogical?50:5)==0) {
+            sb.append("&|^".charAt(random.nextInt(3)));
+            genComparison(type, true, preferLogical, d);
+        }
+    }
+
+    public void genComparison(Type type, boolean change, boolean preferLogical, int d) {
+        if (change && generateInvalid()) type = getType();
+        if (d > 0 && type instanceof TypeInt && random.nextInt(preferLogical?5:50)==0) {
+            type = getType();
+            genComparison(type, true, preferLogical, d-1);
+            sb.append(random.nextBoolean()?"==":"!=");
+        }
+        genChaining(type, false, preferLogical, d);
+    }
+
+    public void genChaining(Type type, boolean change, boolean preferLogical, int d) {
+        if (change && generateInvalid()) type = getType();
+        if (d>0 && type instanceof TypeInt && random.nextInt(preferLogical?5:50)==0) {
+            genShift(TYPE_INT, true, false, d);
+            char c = random.nextBoolean()?'>':'<';
+            sb.append(c);
+            if (random.nextInt(4)==0) sb.append('=');
+            genShift(TYPE_INT, true, false, --d);
+            while (d-->0 && random.nextInt(preferLogical?5:50)==0) {
+                if (generateInvalid()) c = c=='>' ? '<' : '>';
+                sb.append(c);
+                if (random.nextInt(4)==0) sb.append('=');
+                genShift(TYPE_INT, true, false, d);
+            }
+        } else {
+            genShift(type, false, preferLogical, d);
         }
-        var num = randLog(MAX_BINARY_EXPRESSIONS_PER_EXPRESSION);
-        while(num-->0) {
-            genUnary(type, false);
-            sb.append(BINARY_OP[random.nextInt(BINARY_OP.length)]);
+    }
+
+    private static final String[] SHIFTS = {">>", ">>>", "<<"};
+
+    public void genShift(Type type, boolean change, boolean preferLogical, int d) {
+        if (change && generateInvalid()) type = getType();
+        genAddition(type, false, preferLogical, d);
+        while (d-- > 0 && type instanceof TypeInt && random.nextInt(50)==0) {
+            sb.append(SHIFTS[random.nextInt(3)]);
+            genAddition(type, true, preferLogical, d);
+        }
+    }
+
+    public void genAddition(Type type, boolean change, boolean preferLogical, int d) {
+        if (change && generateInvalid()) type = getType();
+        genMultiplication(type, false, preferLogical, d);
+        while (d-- > 0 && (type instanceof TypeInt || type==TYPE_FLT) && random.nextInt(50)==0) {
+            sb.append(random.nextBoolean()?" + ":" - ");
+            genMultiplication(type, true, preferLogical, d);
+        }
+    }
+
+    public void genMultiplication(Type type, boolean change, boolean preferLogical, int d) {
+        if (change && generateInvalid()) type = getType();
+        genUnary(type, false, preferLogical, d);
+        while (d-- > 0 && (type instanceof TypeInt || type==TYPE_FLT) && random.nextInt(50)==0) {
+            sb.append(random.nextBoolean()?'*':'/');
+            genUnary(type, true, preferLogical, d);
         }
-        genUnary(type, false);
     }
 
     /**
      * Generate a unary expression.
      */
-    public void genUnary(Type type, boolean change) {
+    public void genUnary(Type type, boolean change, boolean preferLogical, int d) {
         if (change && generateInvalid()) type = getType();
         if (!(type instanceof TypeInt) && type != TYPE_FLT) {
-            genSuffix(type, false);
+            genSuffix(type, false, preferLogical, d);
             return;
         }
-        var num = randLog(MAX_UNARY_EXPRESSIONS_PER_EXPRESSION);
-        while(num-->0) {
-            sb.append(UNARY_OP[random.nextInt(UNARY_OP.length)]);
+        while (d>0 && random.nextInt(5)==0) {
+            d--;
+            boolean what = type instanceof TypeInt && random.nextInt(preferLogical?2:20) == 0;
+            sb.append(what?'!':'-');
+        }
+        if (random.nextInt(10)==0) {
+            var t = type;
+            var v = findVisibleVariablesMatching(va->va.type.isa(t));
+            if (v != null) {
+                sb.append(random.nextBoolean()?"--":"++").append(v.name);
+                return;
+            }
         }
-        genSuffix(type, false);
+        genSuffix(type, false, preferLogical, d);
     }
 
     public TypeStruct.Field getField(Type type) {
@@ -778,45 +847,45 @@ public class ScriptGenerator {
         throw new AssertionError();
     }
 
-    /**
-     * Generate
-     */
-    public void genSuffix(Type type, boolean change) {
-        genSuffixRecursive(type, change, MAX_SUFFIX_RECURSIVE_DEPTH);
-    }
-
-    public void genSuffixRecursive(Type type, boolean change, int depth) {
+    public void genSuffix(Type type, boolean change, boolean preferLogical, int d) {
         if (change && generateInvalid()) type = getType();
-        if (depth > 0 && random.nextBoolean()) {
-            if (generateInvalid()) {
-                var field = getRandomName();
-                var t = getType();
-                genSuffixRecursive(t, true, depth-1);
-                sb.append(".").append(field);
+        if (d > 0 && random.nextBoolean() && genField(type, d-1)) return;
+        if (d > 0 && random.nextInt(10) == 0) {
+            if (random.nextBoolean() && genField(type, d-1)) return;
+            var t = type;
+            var v = findVisibleVariablesMatching(va -> va.type.isa(t));
+            if (v != null) {
+                sb.append(v.name).append(random.nextBoolean() ? "--" : "++");
                 return;
-            } else {
-                var field = getField(type);
-                if (field != null) {
-                    genSuffixRecursive(field.struct, true, depth-1);
-                    sb.append(".").append(field.name);
-                    return;
-                }
             }
         }
-        genPrimary(type, false);
+        genPrimary(type, false, preferLogical, d);
+    }
+
+    public boolean genField(Type type, int d) {
+        if (generateInvalid()) {
+            var field = getRandomName();
+            var t = getType();
+            genSuffix(t, true, false, d);
+            sb.append(".").append(field);
+        } else {
+            var field = getField(type);
+            if (field == null) return false;
+            genSuffix(field.struct, true, false, d);
+            sb.append(".").append(field.name);
+        }
+        return true;
     }
 
     /**
      * Generate a primary expression.
      */
-    public void genPrimary(Type type, boolean change) {
+    public void genPrimary(Type type, boolean change, boolean preferLogical, int d) {
         if (change && generateInvalid()) type = getType();
         var rand = random.nextInt(10);
-        if (rand == 0 && exprDepth != 0) {
+        if (d > 0 && rand == 0) {
             sb.append("(");
-            exprDepth--;
-            genExpression(type, false);
-            exprDepth++;
+            genExpression(type, false, preferLogical, d-1);
             sb.append(")");
         } else if (rand < 6) {
             genVariable(type);
diff --git a/src/test/java/com/seaofnodes/simple/progs/and1.smp b/src/test/java/com/seaofnodes/simple/progs/and1.smp
new file mode 100644
index 00000000..ef4c904f
--- /dev/null
+++ b/src/test/java/com/seaofnodes/simple/progs/and1.smp
@@ -0,0 +1,10 @@
+// -*- mode: java;  -*-
+int a = 1;
+int b = 1;
+
+if(a && b) {
+    sys.io.p("And");
+} else {
+    sys.io.p("Or");
+}
+return 0;
diff --git a/src/test/java/com/seaofnodes/simple/progs/and2.smp b/src/test/java/com/seaofnodes/simple/progs/and2.smp
new file mode 100644
index 00000000..2a463c94
--- /dev/null
+++ b/src/test/java/com/seaofnodes/simple/progs/and2.smp
@@ -0,0 +1,16 @@
+// -*- mode: java;  -*-
+int a = 1;
+int b = 1;
+
+int x=1;
+int y=1;
+int z=0;
+
+int g = x++ && y++ && z++;
+
+if(x == 2 && y == 2 && z == 1 && g == 0) {
+    sys.io.p("Effected");
+} else {
+    sys.io.p("Not effected");
+}
+return 0;
diff --git a/src/test/java/com/seaofnodes/simple/progs/and3.smp b/src/test/java/com/seaofnodes/simple/progs/and3.smp
new file mode 100644
index 00000000..aadbdfed
--- /dev/null
+++ b/src/test/java/com/seaofnodes/simple/progs/and3.smp
@@ -0,0 +1,14 @@
+// -*- mode: java;  -*-
+int a = 1;
+int b = 1;
+
+var sq = { int x ->
+    x*x;
+};
+
+if(a && sq(0)) {
+    sys.io.p("And");
+} else {
+    sys.io.p("Or");
+}
+return 0;
diff --git a/src/test/java/com/seaofnodes/simple/progs/large.smp b/src/test/java/com/seaofnodes/simple/progs/large.smp
new file mode 100644
index 00000000..7f151f60
--- /dev/null
+++ b/src/test/java/com/seaofnodes/simple/progs/large.smp
@@ -0,0 +1,5344 @@
+
+struct stbi_io_callbacks {
+    { i64 u8[] int -> int } read = "C";    // fill 'data' with 'size' bytes.  return number of bytes actually read
+    { i64 int -> int } skip = "C"; // skip the next 'n' bytes, or 'unget' the last -n bytes if negative
+    { i64 -> int } eof = "C";  // returns nonzero if we are at end of file/data
+};
+
+struct stbi__context {
+    u32 img_x, img_y;
+    int img_n, img_out_n;
+
+    stbi_io_callbacks io;
+    u8[]io_user_data;
+
+    int read_from_callbacks;
+    int buflen;
+    u8[] buffer_start;
+    int callback_already_read;
+
+    u8[] img_buffer;
+    int img_buffer_end;
+    u8[] img_buffer_original;
+    int img_buffer_original_end;
+};
+
+{ stbi__context -> u8 } stbi__get8 = "C";
+
+val sample = { stbi__context s, int pal_len ->
+    var palette = new u8[1024];
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+    for (int i=0; i < pal_len; ++i) {
+        palette[i*4+3] = 0;
+
+        palette[i*4+0] = stbi__get8(s);
+        palette[i*4+1] = stbi__get8(s);
+        palette[i*4+2] = stbi__get8(s);
+        palette[i*4+3] = 255;
+        for (int j=0; j < pal_len; ++j) {
+            palette[j*4+3] = 0;
+
+            palette[j*4+0] = stbi__get8(s);
+            palette[j*4+1] = stbi__get8(s);
+            palette[j*4+2] = stbi__get8(s);
+            palette[j*4+3] = 255;
+        }
+    }
+
+    return palette;
+};
diff --git a/src/test/java/com/seaofnodes/simple/progs/or1.smp b/src/test/java/com/seaofnodes/simple/progs/or1.smp
new file mode 100644
index 00000000..f5f526c3
--- /dev/null
+++ b/src/test/java/com/seaofnodes/simple/progs/or1.smp
@@ -0,0 +1,12 @@
+// -*- mode: java;  -*-
+int a = 1;
+int b = 0;
+
+if(a++ || b++ ) {
+    if(b == 0 && a == 2) {
+        sys.io.p("Or");
+    }
+} else{
+    sys.io.p("And");
+}
+return 0;
diff --git a/src/test/java/com/seaofnodes/simple/progs/or2.smp b/src/test/java/com/seaofnodes/simple/progs/or2.smp
new file mode 100644
index 00000000..ac688b5a
--- /dev/null
+++ b/src/test/java/com/seaofnodes/simple/progs/or2.smp
@@ -0,0 +1,23 @@
+// -*- mode: java;  -*-
+int a = 1;
+int b = 1;
+
+int x = -1;
+int y=1;
+int z= -1;
+
+int g = x++ || y++ || z++;
+
+int switch = 0;
+if(x == 4 || y == 4 || z == 4) {
+    switch = -1;
+} else {
+    switch = 1;
+}
+int cd = 1;
+if((x == 0 && y == 1 && z==-1) && switch && g) {
+    sys.io.p("Effected");
+} else {
+    sys.io.p("Not effected");
+}
+return 0;
diff --git a/src/test/java/com/seaofnodes/simple/progs/print.smp b/src/test/java/com/seaofnodes/simple/progs/print.smp
new file mode 100644
index 00000000..3bb86268
--- /dev/null
+++ b/src/test/java/com/seaofnodes/simple/progs/print.smp
@@ -0,0 +1,8 @@
+int x = 1;
+
+int y = 2;
+if(x == 1) {
+y = 1;
+}
+
+return y;
\ No newline at end of file
diff --git a/src/test/java/com/seaofnodes/simple/progs/ptrand.smp b/src/test/java/com/seaofnodes/simple/progs/ptrand.smp
new file mode 100644
index 00000000..9d7bce88
--- /dev/null
+++ b/src/test/java/com/seaofnodes/simple/progs/ptrand.smp
@@ -0,0 +1,10 @@
+struct S { S? fld; };
+
+val ptr = arg == 1 ? null : new S{fld = arg==1 ? null : new S{fld = null;};};
+if( ptr && ptr.fld ) {
+  sys.io.p("true");
+} else {
+  sys.io.p("false");
+}
+
+return 0;
diff --git a/src/test/java/com/seaofnodes/simple/progs/stringHash.smp b/src/test/java/com/seaofnodes/simple/progs/stringHash.smp
index dafa7456..3fa2174c 100644
--- a/src/test/java/com/seaofnodes/simple/progs/stringHash.smp
+++ b/src/test/java/com/seaofnodes/simple/progs/stringHash.smp
@@ -23,9 +23,8 @@ val hashCode = { String self ->
 
 val _hashCodeString = { String self ->
     int hash=0;
-    if( self.cs )
-        for( int i=0; i< self.cs#; i++ )
-            hash = hash*31 + self.cs[i];
+    for( int i=0; i< self.cs#; i++ )
+        hash = hash*31 + self.cs[i];
     if( !hash ) hash = 123456789;
     return hash;
 };