RaySollium99/picodrive
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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@318 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-12-22 20:53:09 +00:00
parent f53f286a8b
commit f8ef8ff710
13 changed files with 399 additions and 24 deletions
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9
Pico/VideoPort.c
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@ -22,6 +22,7 @@ typedef unsigned int u32;
#define UTYPES_DEFINED
#endif
int (*PicoDmaHook)(unsigned int source, unsigned short **srcp, unsigned short **limitp) = NULL;
static __inline void AutoIncrement(void)
{
@ -104,7 +105,7 @@ static void DmaSlow(int len)
if ((source&0xe00000)==0xe00000) { // Ram
pd=(u16 *)(Pico.ram+(source&0xfffe));
pdend=(u16 *)(Pico.ram+0x10000);
} else if(PicoMCD & 1) {
} else if (PicoMCD & 1) {
elprintf(EL_VDPDMA, "DmaSlow CD, r3=%02x", Pico_mcd->s68k_regs[3]);
if(source<0x20000) { // Bios area
pd=(u16 *)(Pico_mcd->bios+(source&~1));
@ -133,10 +134,12 @@ static void DmaSlow(int len)
return;
}
} else {
if(source<Pico.romsize) { // Rom
if (source<Pico.romsize) { // Rom
pd=(u16 *)(Pico.rom+(source&~1));
pdend=(u16 *)(Pico.rom+Pico.romsize);
} else {
}
else if (PicoDmaHook && PicoDmaHook(source, &pd, &pdend));
else {
elprintf(EL_VDPDMA|EL_ANOMALY, "DmaSlow[%i] %06x->%04x: invalid src", Pico.video.type, source, a);
return;
}