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gyruss - a little better, but not quite there yet.

This commit is contained in:
dinkc64 2015-02-08 16:15:45 +00:00
parent 5ecd6bfe45
commit da3b743bd7
1 changed files with 23 additions and 4 deletions
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27
src/burn/drv/konami/d_gyruss.cpp
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@ -245,7 +245,8 @@ void __fastcall gyruss_main_write(UINT16 address, UINT8 data)
case 0xc080:
ZetClose();
ZetOpen(1);
ZetRaiseIrq(0xff);
ZetSetVector(0xff);
ZetSetIRQLine(0, ZET_IRQSTATUS_ACK);
ZetClose();
ZetOpen(0);
return;
@ -316,6 +317,7 @@ UINT8 __fastcall gyruss_sound0_read(UINT16 address)
switch (address)
{
case 0x8000:
ZetSetIRQLine(0, ZET_IRQSTATUS_NONE);
return *soundlatch;
}
@ -824,13 +826,14 @@ static INT32 DrvFrame()
INT32 nInterleave = 256;
INT32 nCyclesTotal[4] = { 3072000 / 60, 2000000 / 60, 3579545 / 60, 8000000 / 60 };
INT32 nCyclesDone[4] = { 0, 0, 0, 0 };
INT32 nSoundBufferPos = 0;
DrvDraw();
for (INT32 i = 0; i < nInterleave; i++)
{
INT32 nNext;
scanline = i;
scanline = i + 5;
ZetOpen(0);
nNext = (i + 1) * nCyclesTotal[0] / nInterleave;
@ -856,11 +859,27 @@ static INT32 DrvFrame()
nCyclesDone[2] += ZetRun(nCyclesSegment);
ZetClose();
draw_sprites(scanline);
if (scanline >= 16 && scanline < 240) {
draw_sprites(scanline);
}
// Render Sound Segment
if (pBurnSoundOut) {
INT32 nSegmentLength = nBurnSoundLen / nInterleave;
INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
//AY8910Update(0, &pAY8910Buffer[0], nSegmentLength);
AY8910Render(&pAY8910Buffer[0], pSoundBuf, nSegmentLength, 0);
}
}
// Make sure the buffer is entirely filled.
if (pBurnSoundOut) {
AY8910Render(&pAY8910Buffer[0], pBurnSoundOut, nBurnSoundLen, 0);
INT32 nSegmentLength = nBurnSoundLen - nSoundBufferPos;
INT16* pSoundBuf = pBurnSoundOut + (nSoundBufferPos << 1);
if (nSegmentLength) {
AY8910Render(&pAY8910Buffer[0], pSoundBuf, nSegmentLength, 0);
}
}
if (pBurnDraw) {