X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=sound.c;h=f0eeaf87c0b7c496afd454536dcad5a67c86bd1e;hb=3ac1cc0b221c10cd9a82ba3c12d111597dc554e7;hp=f95b0505abd111b22532bde7d4fd0e84cd84cafa;hpb=0ab4d38fa6197f853b9111104948df09996aa5dc;p=fceu.git

diff --git a/sound.c b/sound.c
index f95b050..f0eeaf8 100644
--- a/sound.c
+++ b/sound.c
@@ -40,6 +40,7 @@
 #include "sound.h"
 
 uint32 Wave[2048+512];
+int32 WaveHi[40000]; // unused
 int16 WaveFinalMono[2048+512];
 
 EXPSOUND GameExpSound={0,0,0,0,0,0};
@@ -554,6 +555,31 @@ static void FASTAPASS(1) CalcRectAmp(int P)
    *b=V;
 }
 
+void FCEU_SoundCPUHook(int cycles48)
+{
+ fhcnt-=cycles48;
+ if(fhcnt<=0)
+ {
+  FrameSoundUpdate();
+  fhcnt+=fhinc;
+ }
+
+ if(PCMIRQCount>0)
+ {
+  PCMIRQCount-=cycles48;
+  if(PCMIRQCount<=0)
+  {
+   vdis=1;
+   if((PSG[0x10]&0x80) && !(PSG[0x10]&0x40))
+   {
+    extern uint8 SIRQStat;
+    SIRQStat|=0x80;
+    X6502_IRQBegin(FCEU_IQDPCM);
+   }
+  }
+ }
+}
+
 static void RDoPCM(int32 end)
 {
    int32 V;