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Pico version reg, irq3 handling changed

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@443 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-05-07 21:37:51 +00:00
parent d49b10c2f2
commit 1e6b5e39f4
6 changed files with 67 additions and 34 deletions
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55
Pico/Pico.c
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@ -80,39 +80,19 @@ void PicoPower(void)
PicoReset();
}
int PicoReset(void)
PICO_INTERNAL void PicoDetectRegion(void)
{
unsigned int region=0;
int support=0,hw=0,i=0;
int support=0, hw=0, i;
unsigned char pal=0;
unsigned char sram_reg=Pico.m.sram_reg; // must be preserved
if (Pico.romsize<=0) return 1;
/* must call now, so that banking is reset, and correct vectors get fetched */
if (PicoResetHook) PicoResetHook();
PicoMemReset();
SekReset();
// s68k doesn't have the TAS quirk, so we just globally set normal TAS handler in MCD mode (used by Batman games).
SekSetRealTAS(PicoAHW & PAHW_MCD);
SekCycleCntT=0;
if (PicoAHW & PAHW_MCD)
// needed for MCD to reset properly, probably some bug hides behind this..
memset(Pico.ioports,0,sizeof(Pico.ioports));
emustatus = 0;
Pico.m.dirtyPal = 1;
if(PicoRegionOverride)
if (PicoRegionOverride)
{
support = PicoRegionOverride;
}
else
{
// Read cartridge region data:
region=PicoRead32(0x1f0);
int region=PicoRead32(0x1f0);
for (i=0;i<4;i++)
{
@ -153,7 +133,32 @@ int PicoReset(void)
Pico.m.hardware=(unsigned char)(hw|0x20); // No disk attached
Pico.m.pal=pal;
Pico.video.status = 0x3408 | pal; // 'always set' bits | vblank | pal
}
int PicoReset(void)
{
unsigned char sram_reg=Pico.m.sram_reg; // must be preserved
if (Pico.romsize<=0) return 1;
/* must call now, so that banking is reset, and correct vectors get fetched */
if (PicoResetHook) PicoResetHook();
PicoMemReset();
SekReset();
// s68k doesn't have the TAS quirk, so we just globally set normal TAS handler in MCD mode (used by Batman games).
SekSetRealTAS(PicoAHW & PAHW_MCD);
SekCycleCntT=0;
if (PicoAHW & PAHW_MCD)
// needed for MCD to reset properly, probably some bug hides behind this..
memset(Pico.ioports,0,sizeof(Pico.ioports));
emustatus = 0;
Pico.m.dirtyPal = 1;
PicoDetectRegion();
Pico.video.status = 0x3408 | Pico.m.pal; // 'always set' bits | vblank | pal
PsndReset(); // pal must be known here