Make sound processing use less CPU cycles.

2005-11-26 17:11:07 +00:00
parent db6aa710f7
commit b80ce23ef6
1 changed files with 3 additions and 7 deletions
--- a/zsnes/src/linux/sdlintrf.asm
+++ b/zsnes/src/linux/sdlintrf.asm
@@ -1074,24 +1074,20 @@ NEWSYM StartSound
    call JoyRead
    ret

-
 NEWSYM SoundProcess     ; This function is called ~60 times/s at full speed
-    pushad
    cmp byte[soundon],0
    je .nosound
    cmp byte[DSPDisable],1
    je .nosound
-    mov eax,256         ; Size
-    mov [BufferSizeB],eax
-    add eax,eax
-    mov [BufferSizeW],eax
+    mov dword[BufferSizeB],256
+    mov dword[BufferSizeW],512
    pushad
    call ProcessSoundBuffer
    popad
+
    ; DSPBuffer should contain the processed buffer in the specified size
    ; You will have to convert/clip it to 16-bit for actual sound process
 .nosound
-    popad
    ret

 NEWSYM delay