NES, SNES, Genesis and Extra Packets

1 files changed, 62 insertions, 0 deletions

diff --git a/src/packets/extra.ts b/src/packets/extra.ts
new file mode 100644
index 0000000..da8bb42
--- /dev/null
+++ b/src/packets/extra.ts
@@ -0,0 +1,62 @@
+import { PACKET_TYPES } from "../constants";
+import { encodeString, readBoolean, readString, writeBoolean } from "../utils";
+import { TASDPacket, buildBuffer } from "./utils";
+
+export class CommentPacket implements TASDPacket {
+  constructor(public comment: string) {}
+  get key() {
+    return PACKET_TYPES.COMMENT;
+  }
+  get size() {
+    return this.comment.length;
+  }
+  static fromBuffer(buffer: Uint8Array) {
+    return new this(readString(buffer, 0, buffer.length));
+  }
+  toBuffer(g_keylen: number): Uint8Array {
+    return buildBuffer(g_keylen, this.key, encodeString(this.comment));
+  }
+  toString(): string {
+    return `Comment ${this.comment}`;
+  }
+}
+
+export class ExperimentalPacket implements TASDPacket {
+  constructor(public experimental: boolean) {}
+  get key() {
+    return PACKET_TYPES.EXPERIMENTAL;
+  }
+  get size() {
+    return 1;
+  }
+  static fromBuffer(buffer: Uint8Array) {
+    return new this(readBoolean(buffer, 0));
+  }
+  toBuffer(g_keylen: number): Uint8Array {
+    const payload = new Uint8Array(1);
+    writeBoolean(this.experimental, payload, 0);
+    return buildBuffer(g_keylen, this.key, payload);
+  }
+  toString(): string {
+    return `Experimental ${this.experimental}`;
+  }
+}
+
+export class UnspecifiedPacket implements TASDPacket {
+  constructor(public data: Uint8Array) {}
+  get key() {
+    return PACKET_TYPES.UNSPECIFIED;
+  }
+  get size() {
+    return this.data.length;
+  }
+  static fromBuffer(buffer: Uint8Array) {
+    return new this(buffer);
+  }
+  toBuffer(g_keylen: number): Uint8Array {
+    return buildBuffer(g_keylen, this.key, this.data);
+  }
+  toString(): string {
+    return `Unspecified ${this.data.length}`;
+  }
+}
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