sound (with problems) + stuff

[picodrive.git] / Pico / MemoryCmn.c

diff --git a/Pico/MemoryCmn.c b/Pico/MemoryCmn.c
index 15fdeef..8e4d04e 100644 (file)
--- a/Pico/MemoryCmn.c
+++ b/Pico/MemoryCmn.c
@@ -171,7 +171,7 @@ void OtherWrite8(u32 a,u32 d)
 #ifndef _ASM_MEMORY_C
   if ((a&0xe700f9)==0xc00011||(a&0xff7ff9)==0xa07f11) { if(PicoOpt&2) SN76496Write(d); return; } // PSG Sound
   if ((a&0xff4000)==0xa00000)  { if(!(Pico.m.z80Run&1)) Pico.zram[a&0x1fff]=(u8)d; return; } // Z80 ram
-  if ((a&0xff6000)==0xa04000)  { if(PicoOpt&1) emustatus|=YM2612Write(a&3, d); return; } // FM Sound
+  if ((a&0xff6000)==0xa04000)  { if(PicoOpt&1) emustatus|=YM2612Write(a&3, d)&1; return; } // FM Sound
   if ((a&0xffffe0)==0xa10000)  { IoWrite8(a, d); return; } // I/O ports
 #endif
   if (a==0xa11100)             { z80WriteBusReq(d); return; }
@@ -210,7 +210,7 @@ void OtherWrite16(u32 a,u32 d)
   if ((a&0xffffe0)==0xa10000) { IoWrite8(a, d); return; } // I/O ports
   if ((a&0xff4000)==0xa00000) { if(!(Pico.m.z80Run&1)) Pico.zram[a&0x1fff]=(u8)(d>>8); return; } // Z80 ram (MSB only)
   if ((a&0xe700f8)==0xc00010||(a&0xff7ff8)==0xa07f10) { if(PicoOpt&2) SN76496Write(d); return; } // PSG Sound
-  if ((a&0xff6000)==0xa04000)  { if(PicoOpt&1) emustatus|=YM2612Write(a&3, d); return; } // FM Sound (??)
+  if ((a&0xff6000)==0xa04000)  { if(PicoOpt&1) emustatus|=YM2612Write(a&3, d)&1; return; } // FM Sound (??)
   if ((a&0xff7f00)==0xa06000) // Z80 BANK register
   {
     Pico.m.z80_bank68k>>=1;