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xx mission timing pt.2 (fixes occasional sprite flicker)

This commit is contained in:
dinkc64 2014-11-21 07:46:13 +00:00
parent 884eccebe3
commit 1fb17edd49
1 changed files with 2 additions and 2 deletions
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4
src/burn/drv/pre90s/d_xxmissio.cpp
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@ -582,7 +582,7 @@ static INT32 DrvFrame()
ZetOpen(0);
nCyclesDone[0] += ZetRun(nSegment);
nSegment = ZetTotalCycles();
if (i == 240) {
if (i == 243) {
vblank = 1;
cpu_status &= ~0x20;
ZetSetIRQLine(0, ZET_IRQSTATUS_AUTO);
@ -591,7 +591,7 @@ static INT32 DrvFrame()
ZetOpen(1);
BurnTimerUpdate(nSegment);
if (i == ((nInterleave / 2) - 4) || i == (nInterleave - 4)) { // 120hz
if (i == ((nInterleave / 2) - 1) || i == (nInterleave - 1)) { // 120hz
cpu_status &= ~0x10;
ZetSetIRQLine(0, ZET_IRQSTATUS_AUTO);
}