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@@ -390,26 +390,26 @@ PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d)
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// Register write:
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int num=(d>>8)&0x1f;
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int dold=pvid->reg[num];
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- int update_irq = 0, blank_on = 0;
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+ int blank_on = 0;
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pvid->type=0; // register writes clear command (else no Sega logo in Golden Axe II)
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if (num > 0x0a && !(pvid->reg[1]&4)) {
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elprintf(EL_ANOMALY, "%02x written to reg %02x in SMS mode @ %06x", d, num, SekPc);
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return;
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}
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+ if (num == 1 && !(d&0x40) && SekCyclesLeft > 390) blank_on = 1;
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+ DrawSync(blank_on);
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+ pvid->reg[num]=(unsigned char)d;
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switch (num)
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{
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case 0x00:
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elprintf(EL_INTSW, "hint_onoff: %i->%i [%i] pend=%i @ %06x", (dold&0x10)>>4,
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(d&0x10)>>4, SekCyclesDone(), (pvid->pending_ints&0x10)>>4, SekPc);
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- update_irq = 1;
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- break;
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+ goto update_irq;
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case 0x01:
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elprintf(EL_INTSW, "vint_onoff: %i->%i [%i] pend=%i @ %06x", (dold&0x20)>>5,
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(d&0x20)>>5, SekCyclesDone(), (pvid->pending_ints&0x20)>>5, SekPc);
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- if (!(d&0x40) && SekCyclesLeft > 390) blank_on = 1;
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- update_irq = 1;
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- break;
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+ goto update_irq;
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case 0x05:
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//elprintf(EL_STATUS, "spritep moved to %04x", (unsigned)(Pico.video.reg[5]&0x7f) << 9);
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if (d^dold) rendstatus |= PDRAW_SPRITES_MOVED;
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@@ -419,10 +419,9 @@ PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d)
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if ((d^dold)&8) Pico.m.dirtyPal = 2;
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break;
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}
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- DrawSync(blank_on);
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- pvid->reg[num]=(unsigned char)d;
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- if (!update_irq) return;
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+ return;
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+update_irq:
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#ifndef EMU_CORE_DEBUG
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// update IRQ level
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if (!SekShouldInterrupt) // hack
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