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bugfixes, adjusted famec timing

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@283 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-10-28 20:23:15 +00:00
parent 80db44425a
commit 03e4f2a349
15 changed files with 324 additions and 344 deletions
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33
Pico/VideoPort.c
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@ -129,7 +129,7 @@ static void DmaSlow(int len)
pd=(u16 *)(prg_ram+(source&0x1fffe));
pdend=(u16 *)(prg_ram+0x20000);
} else {
elprintf(EL_VDPDMA|EL_ANOMALY, "DmaSlow FIXME: unsupported src");
elprintf(EL_VDPDMA|EL_ANOMALY, "DmaSlow[%i] %06x->%04x: FIXME: unsupported src", Pico.video.type, source, a);
return;
}
} else {
@ -137,7 +137,7 @@ static void DmaSlow(int len)
pd=(u16 *)(Pico.rom+(source&~1));
pdend=(u16 *)(Pico.rom+Pico.romsize);
} else {
elprintf(EL_VDPDMA|EL_ANOMALY, "DmaSlow: invalid dma src");
elprintf(EL_VDPDMA|EL_ANOMALY, "DmaSlow[%i] %06x->%04x: invalid src", Pico.video.type, source, a);
return;
}
}
@ -374,29 +374,24 @@ PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d)
//if(num==01) dprintf("set_blank: %i @ %06x [%i|%i]", !((d&0x40)>>6), SekPc, Pico.m.scanline, SekCyclesDone());
//if(num==10) dprintf("hint_set: %i @ %06x [%i|%i]", (unsigned char)d, SekPc, Pico.m.scanline, SekCyclesDone());
pvid->reg[num]=(unsigned char)d;
#if !(defined(EMU_C68K) && defined(EMU_M68K)) // not debugging Cyclone
#ifndef EMU_CORE_DEBUG
// update IRQ level (Lemmings, Wiz 'n' Liz intro, ... )
// may break if done improperly:
// International Superstar Soccer Deluxe (crash), Street Racer (logos), Burning Force (gfx),
// Fatal Rewind (hang), Sesame Street Counting Cafe
if(num < 2) {
#ifdef EMU_C68K
// hack: make sure we do not touch the irq line if Cyclone is just about to take the IRQ
if (PicoCpuCM68k.irq <= (PicoCpuCM68k.srh&7)) {
#endif
int lines, pints;
// Fatal Rewind (crash), Sesame Street Counting Cafe
if (num < 2)
{
if (!SekShouldInterrupt) // hack
{
int lines, pints, irq=0;
lines = (pvid->reg[1] & 0x20) | (pvid->reg[0] & 0x10);
pints = (pvid->pending_ints&lines);
if(pints & 0x20) SekInterrupt(6);
else if(pints & 0x10) SekInterrupt(4);
else SekInterrupt(0);
#ifdef EMU_C68K
// adjust cycles for Cyclone so it would take the int "in time"
if(PicoCpuCM68k.irq) {
SekEndRun(24);
}
if(pints & 0x20) irq = 6;
else if(pints & 0x10) irq = 4;
SekInterrupt(irq); // update line
if (irq) SekEndRun(24); // make it delayed
}
#endif
}
else
#endif