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bandai mapper 16 DBZ3 glitch fix

This commit is contained in:
CaH4e3 2009-08-09 00:44:49 +00:00
parent 02d1b8dcff
commit 00b213f0a1
1 changed files with 10 additions and 10 deletions
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20
src/boards/bandai.cpp
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@ -76,18 +76,18 @@ static void BandaiSync(void)
setprg16(0x8000,reg[8]); setprg16(0x8000,reg[8]);
setprg16(0xC000,~0); setprg16(0xC000,~0);
} }
switch(reg[9]) switch(reg[9]&3)
{ {
case 0: setmirror(MI_V); break; case 0: setmirror(MI_V); break;
case 1: setmirror(MI_H); break; case 1: setmirror(MI_H); break;
case 2: setmirror(MI_0); break; case 2: setmirror(MI_0); break;
case 3: setmirror(MI_1); break; case 3: setmirror(MI_1); break;
} }
} }
static DECLFW(BandaiWrite) static DECLFW(BandaiWrite)
{ {
A&=0x0F; A&=0x0F;
if(A<0x0A) if(A<0x0A)
{ {
reg[A&0x0F]=V; reg[A&0x0F]=V;
@ -97,19 +97,19 @@ static DECLFW(BandaiWrite)
switch(A) switch(A)
{ {
/* disch's docs say that the writing to 0x0B and 0x0C will change /* disch's docs say that the writing to 0x0B and 0x0C will change
* the counter value directly, not reload value * the counter value directly, not reload value
* but keep the old code here in case something goes wrong */ * but keep the old code here in case something goes wrong */
/* /*
case 0x0A: X6502_IRQEnd(FCEU_IQEXT); IRQa=V&1; IRQCount=IRQLatch; break; case 0x0A: X6502_IRQEnd(FCEU_IQEXT); IRQa=V&1; IRQCount=IRQLatch; break;
case 0x0B: IRQLatch&=0xFF00; IRQLatch|=V; break; case 0x0B: IRQLatch&=0xFF00; IRQLatch|=V; break;
case 0x0C: IRQLatch&=0xFF; IRQLatch|=V<<8; break; case 0x0C: IRQLatch&=0xFF; IRQLatch|=V<<8; break;
*/ */
case 0x0A: X6502_IRQEnd(FCEU_IQEXT); IRQa=V&1; break; case 0x0A: X6502_IRQEnd(FCEU_IQEXT); IRQa=V&1; break;
case 0x0B: IRQCount &= 0xFF00; IRQCount |= V; break; case 0x0B: IRQCount &= 0xFF00; IRQCount |= V; break;
case 0x0C: IRQCount &= 0xFF; IRQCount |= (V << 8); break; case 0x0C: IRQCount &= 0xFF; IRQCount |= (V << 8); break;
case 0x0D: break;// Serial EEPROM control port case 0x0D: break;// Serial EEPROM control port
} }
} }