Small adjustments

simulator/src/apu-worklet.ts

@@ -9,9 +9,14 @@ class APUProcessor extends AudioWorkletProcessor {
         super();
 
         if (this.port != null) {
-            this.port.onmessage = (event: MessageEvent<{left: number[], right: number[]}>) => {
-                this.samplesLeft = this.samplesLeft.concat(event.data.left);
-                this.samplesRight = this.samplesRight.concat(event.data.right);
+            this.port.onmessage = (event: MessageEvent<"reset" | {left: number[], right: number[]}>) => {
+                if (event.data === "reset") {
+                    this.samplesLeft = [];
+                    this.samplesRight = [];
+                } else {
+                    this.samplesLeft = this.samplesLeft.concat(event.data.left);
+                    this.samplesRight = this.samplesRight.concat(event.data.right);
+                }
             };
         }
     }
@@ -24,13 +29,10 @@ class APUProcessor extends AudioWorkletProcessor {
         const pcmRight = this.samplesRight.splice(0, 128);
 
         for (let index = 0; index < pcmLeft.length; index += 1) {
-            pcmLeft[index] = pcmLeft[index] / 32767;
-            pcmRight[index] = pcmRight[index] / 32767;
+            outputLeft[index] = pcmLeft[index] / 32767;
+            outputRight[index] = pcmRight[index] / 32767;
         }
 
-        outputLeft.set(new Float32Array(pcmLeft));
-        outputRight.set(new Float32Array(pcmRight));
-
         return true;
     }
 }

simulator/src/apu.ts

@@ -24,7 +24,6 @@ export class APU {
     }
 
     send(left: number[], right: number[]) {
-        console.log(left, right);
         this.processorPort!.postMessage({left, right});
     }
 

simulator/src/runtime.ts

@@ -223,6 +223,8 @@ export class Runtime {
             this.bluescreenOnError(start_function);
         }
 
+        this.apu.processorPort?.postMessage("reset");
+
         // new Int16Array(this.memory.buffer).slice(constants.ADDR_AUDIO_BUFFER, constants.ADDR_AUDIO_BUFFER + 2 * 512).fill(0);
     }
 

src/badge/feature_test.zig

@@ -160,6 +160,8 @@ const raw_data = std.mem.bytesAsSlice(i16, @embedFile("pepsi.raw"));
 var audio_offset: usize = 0;
 
 export fn audio(buffer: *volatile [2][512]i16) bool {
+    if (audio_offset >= raw_data.len) return false;
+
     @memcpy(&buffer[0], raw_data[audio_offset..][0..512]);
     @memcpy(&buffer[1], raw_data[audio_offset..][0..512]);