From b58247d05f42c95c74f59c954a055541d68eb7e4 Mon Sep 17 00:00:00 2001
From: pagefault <>
Date: Mon, 25 Mar 2002 18:26:46 +0000
Subject: [PATCH] Fixed keyon bug

---
 zsnes/src/cpu/dsp.asm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/zsnes/src/cpu/dsp.asm b/zsnes/src/cpu/dsp.asm
index de3c5f06..6344f38a 100644
--- a/zsnes/src/cpu/dsp.asm
+++ b/zsnes/src/cpu/dsp.asm
@@ -2129,7 +2129,9 @@ NEWSYM WDSPReg4C       ; Key On
       and bl,al
 
       xor byte [DSPMem+05Ch],0FFh
+      jnz .notzero
       and bl,[DSPMem+05Ch]
+.notzero
       xor byte [DSPMem+05Ch],0FFh
 
       or byte[KeyOnStA],bl