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bugfix for dirty pal

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@547 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-07-15 13:14:16 +00:00
parent 8cf22667ba
commit 147f8df114
1 changed files with 8 additions and 9 deletions
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17
Pico/VideoPort.c
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@ -390,26 +390,26 @@ PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d)
// Register write: // Register write:
int num=(d>>8)&0x1f; int num=(d>>8)&0x1f;
int dold=pvid->reg[num]; int dold=pvid->reg[num];
int update_irq = 0, blank_on = 0; int blank_on = 0;
pvid->type=0; // register writes clear command (else no Sega logo in Golden Axe II) pvid->type=0; // register writes clear command (else no Sega logo in Golden Axe II)
if (num > 0x0a && !(pvid->reg[1]&4)) { if (num > 0x0a && !(pvid->reg[1]&4)) {
elprintf(EL_ANOMALY, "%02x written to reg %02x in SMS mode @ %06x", d, num, SekPc); elprintf(EL_ANOMALY, "%02x written to reg %02x in SMS mode @ %06x", d, num, SekPc);
return; return;
} }
if (num == 1 && !(d&0x40) && SekCyclesLeft > 390) blank_on = 1;
DrawSync(blank_on);
pvid->reg[num]=(unsigned char)d;
switch (num) switch (num)
{ {
case 0x00: case 0x00:
elprintf(EL_INTSW, "hint_onoff: %i->%i [%i] pend=%i @ %06x", (dold&0x10)>>4, elprintf(EL_INTSW, "hint_onoff: %i->%i [%i] pend=%i @ %06x", (dold&0x10)>>4,
(d&0x10)>>4, SekCyclesDone(), (pvid->pending_ints&0x10)>>4, SekPc); (d&0x10)>>4, SekCyclesDone(), (pvid->pending_ints&0x10)>>4, SekPc);
update_irq = 1; goto update_irq;
break;
case 0x01: case 0x01:
elprintf(EL_INTSW, "vint_onoff: %i->%i [%i] pend=%i @ %06x", (dold&0x20)>>5, elprintf(EL_INTSW, "vint_onoff: %i->%i [%i] pend=%i @ %06x", (dold&0x20)>>5,
(d&0x20)>>5, SekCyclesDone(), (pvid->pending_ints&0x20)>>5, SekPc); (d&0x20)>>5, SekCyclesDone(), (pvid->pending_ints&0x20)>>5, SekPc);
if (!(d&0x40) && SekCyclesLeft > 390) blank_on = 1; goto update_irq;
update_irq = 1;
break;
case 0x05: case 0x05:
//elprintf(EL_STATUS, "spritep moved to %04x", (unsigned)(Pico.video.reg[5]&0x7f) << 9); //elprintf(EL_STATUS, "spritep moved to %04x", (unsigned)(Pico.video.reg[5]&0x7f) << 9);
if (d^dold) rendstatus |= PDRAW_SPRITES_MOVED; if (d^dold) rendstatus |= PDRAW_SPRITES_MOVED;
@ -419,10 +419,9 @@ PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d)
if ((d^dold)&8) Pico.m.dirtyPal = 2; if ((d^dold)&8) Pico.m.dirtyPal = 2;
break; break;
} }
DrawSync(blank_on); return;
pvid->reg[num]=(unsigned char)d;
if (!update_irq) return;
update_irq:
#ifndef EMU_CORE_DEBUG #ifndef EMU_CORE_DEBUG
// update IRQ level // update IRQ level
if (!SekShouldInterrupt) // hack if (!SekShouldInterrupt) // hack