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timing hack for PacMan 2

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@475 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-05-30 20:46:37 +00:00
parent 4936aac1ca
commit 760e26c7dd
2 changed files with 9 additions and 7 deletions
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4
Pico/Memory.s
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@ -868,7 +868,11 @@ m_write8_misc2:
bic r0, r0, #0xff0000 bic r0, r0, #0xff0000
bic r0, r0, #0x00e000 bic r0, r0, #0x00e000
tst r2, #1 tst r2, #1
ldr r2, =SekCycleCnt
streqb r1, [r3, r0] @ zram streqb r1, [r3, r0] @ zram
ldr r0, [r2]
add r0, r0, #2 @ hack?
str r0, [r2]
bx lr bx lr
m_write8_z80_not_ram: m_write8_z80_not_ram:

12
Pico/MemoryCmn.c
View file

@ -155,11 +155,9 @@ void OtherWrite8(u32 a,u32 d)
#if !defined(_ASM_MEMORY_C) || defined(_ASM_MEMORY_C_AMIPS) #if !defined(_ASM_MEMORY_C) || defined(_ASM_MEMORY_C_AMIPS)
if ((a&0xe700f9)==0xc00011||(a&0xff7ff9)==0xa07f11) { if(PicoOpt&2) SN76496Write(d); return; } // PSG Sound if ((a&0xe700f9)==0xc00011||(a&0xff7ff9)==0xa07f11) { if(PicoOpt&2) SN76496Write(d); return; } // PSG Sound
if ((a&0xff4000)==0xa00000) { // z80 RAM if ((a&0xff4000)==0xa00000) { // z80 RAM
if (!(Pico.m.z80Run&1)) Pico.zram[a&0x1fff]=(u8)d; SekCyclesBurn(2); // hack
else { if (!(Pico.m.z80Run&1) && !Pico.m.z80_reset) Pico.zram[a&0x1fff]=(u8)d;
elprintf(EL_ANOMALY, "68k z80 write with no bus! [%06x] %02x @ %06x", a, d&0xff, SekPc); else elprintf(EL_ANOMALY, "68k z80 write with no bus or reset! [%06x] %02x @ %06x", a, d&0xff, SekPc);
SekCyclesBurn(4); // hack?
}
return; return;
} }
if ((a&0xff6000)==0xa04000) { if(PicoOpt&1) emustatus|=ym2612_write_local(a&3, d&0xff, 0)&1; return; } // FM Sound if ((a&0xff6000)==0xa04000) { if(PicoOpt&1) emustatus|=ym2612_write_local(a&3, d&0xff, 0)&1; return; } // FM Sound
@ -207,8 +205,8 @@ void OtherWrite16(u32 a,u32 d)
if ((a&0xe700f8)==0xc00010||(a&0xff7ff8)==0xa07f10) { if(PicoOpt&2) SN76496Write(d); return; } // PSG Sound if ((a&0xe700f8)==0xc00010||(a&0xff7ff8)==0xa07f10) { if(PicoOpt&2) SN76496Write(d); return; } // PSG Sound
if ((a&0xff6000)==0xa04000) { if(PicoOpt&1) emustatus|=ym2612_write_local(a&3, d&0xff, 0)&1; return; } // FM Sound if ((a&0xff6000)==0xa04000) { if(PicoOpt&1) emustatus|=ym2612_write_local(a&3, d&0xff, 0)&1; return; } // FM Sound
if ((a&0xff4000)==0xa00000) { // Z80 ram (MSB only) if ((a&0xff4000)==0xa00000) { // Z80 ram (MSB only)
if (!(Pico.m.z80Run&1)) Pico.zram[a&0x1fff]=(u8)(d>>8); if (!(Pico.m.z80Run&1) && !Pico.m.z80_reset) Pico.zram[a&0x1fff]=(u8)(d>>8);
else elprintf(EL_ANOMALY, "68k z80 write with no bus! [%06x] %02x @ %06x", a, d&0xffff, SekPc); else elprintf(EL_ANOMALY, "68k z80 write with no bus or reset! [%06x] %04x @ %06x", a, d&0xffff, SekPc);
return; return;
} }
if (a==0xa11200) { if (a==0xa11200) {