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z80 timing change

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@84 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-03-31 17:25:48 +00:00
parent 2433f40912
commit d915372968
6 changed files with 32 additions and 15 deletions
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15
Pico/Pico.c
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@ -430,11 +430,18 @@ static int PicoFrameHints(void)
getSamples(y);
// Run scanline:
if(Pico.m.dma_bytes) SekCycleCnt+=CheckDMA();
if (Pico.m.dma_bytes) SekCycleCnt+=CheckDMA();
SekRun(cycles_68k);
if((PicoOpt&4) && Pico.m.z80Run) {
Pico.m.z80Run|=2;
z80CycleAim+=cycles_z80;
if ((PicoOpt&4) && Pico.m.z80Run) {
if (Pico.m.z80Run & 2) z80CycleAim+=cycles_z80;
else {
int cnt = SekCyclesDone() - z80startCycle;
cnt = (cnt>>1)-(cnt>>5);
//if (cnt > cycles_z80) printf("FIXME: z80 cycles: %i\n", cnt);
if (cnt > cycles_z80) cnt = cycles_z80;
Pico.m.z80Run |= 2;
z80CycleAim+=cnt;
}
total_z80+=z80_run(z80CycleAim-total_z80);
}
}