diff --git a/src/cpu/cpu.ts b/src/cpu/cpu.ts
index 77a6b05..d26ef8f 100644
--- a/src/cpu/cpu.ts
+++ b/src/cpu/cpu.ts
@@ -85,7 +85,6 @@ export class CPU {
   }
 
   reset() {
-    this.data.fill(0);
     this.SP = this.data.length - 1;
     this.pc = 0;
     this.pendingInterrupts.fill(null);