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dooyong gulfstrm - better vblank

This commit is contained in:
dinkc64 2015-01-08 16:36:23 +00:00
parent 3f48a6f71b
commit 588ba1dea9
1 changed files with 8 additions and 4 deletions
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12
src/burn/drv/pst90s/d_dooyong.cpp
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@ -57,6 +57,7 @@ static UINT8 soundlatch;
static UINT8 priority_select;
static UINT8 text_layer_enable;
static UINT8 gulf_storm = 0;
static UINT8 vblank = 0;
static UINT8 DrvJoy1[16];
static UINT8 DrvJoy2[16];
@ -876,7 +877,7 @@ static UINT8 __fastcall gulfstrm_main_read(UINT16 address)
return DrvInputs[1];
case 0xf004:
return (DrvInputs[0] & ~0x10) | ((ZetTotalCycles() >= 125000) ? 0x10 : 0); // vblank
return (DrvInputs[0] & ~0x10) | (vblank ? 0 : 0x10); // vblank
}
return 0;
@ -1747,7 +1748,7 @@ static INT32 PolluxInit()
ZetSetReadHandler(lastday_sound_read);
ZetClose();
BurnYM2203Init(2, 1500000, &DrvYM2203IRQHandler, DrvSynchroniseStream, DrvGetTime, 0);
BurnYM2203Init(2, 1500000, &DrvYM2203IRQHandler, DrvSynchroniseStream8Mhz, DrvGetTime8Mhz, 0);
BurnTimerAttachZet(8000000);
BurnYM2203SetAllRoutes(0, 0.40, BURN_SND_ROUTE_BOTH);
BurnYM2203SetAllRoutes(1, 0.40, BURN_SND_ROUTE_BOTH);
@ -2211,6 +2212,7 @@ static INT32 Z80YM2203Exit()
global_y = 8;
main_cpu_clock = 8000000;
vblank = 0;
return 0;
}
@ -2774,13 +2776,15 @@ static INT32 LastdayFrame()
INT32 nCyclesTotal[2] = { 8000000 / 60, 8000000 / 60 };
INT32 nCyclesDone[2] = { 0, 0 };
vblank = 0;
for (INT32 i = 0; i < nInterleave; i++)
{
ZetOpen(0);
nCyclesDone[0] += ZetRun(nCyclesTotal[0] / nInterleave);
if (gulf_storm) {
if (i == 91) ZetSetIRQLine(0, ZET_IRQSTATUS_ACK);
if (i == 93) ZetSetIRQLine(0, ZET_IRQSTATUS_NONE);
if (i == 90) { ZetSetIRQLine(0, ZET_IRQSTATUS_ACK); vblank = 1; }
if (i == 93) { ZetSetIRQLine(0, ZET_IRQSTATUS_NONE); vblank = 0; }
} else {
if (i == (nInterleave - 2)) ZetSetIRQLine(0, ZET_IRQSTATUS_ACK);
if (i == (nInterleave - 1)) ZetSetIRQLine(0, ZET_IRQSTATUS_NONE);