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twin16 end wip

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This commit is contained in:
dinkc64 2018-10-09 04:09:56 +00:00
parent 22d12caee3
commit 2522e6bfb7
1 changed files with 37 additions and 18 deletions
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55
src/burn/drv/konami/d_twin16.cpp
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@ -27,6 +27,7 @@ static UINT8 *DrvVidRAM2;
static UINT8 *DrvVidRAM;
static UINT8 *DrvSprRAM;
static UINT8 *DrvSprBuf;
static UINT8 *DrvSprBuf2;
static UINT8 *DrvNvRAM;
static UINT8 *DrvNvRAMBank;
static UINT8 *Drv68KRAM1;
@ -48,6 +49,8 @@ static UINT16 *scrolly;
static UINT8 *soundlatch;
static UINT8 *soundlatch2;
static INT32 sprite_timer;
static INT32 video_register;
static INT32 gfx_bank;
@ -58,6 +61,7 @@ static INT32 need_process_spriteram;
static INT32 twin16_custom_video;
static INT32 is_vulcan = 0;
static INT32 is_cuebrick = 0;
static INT32 is_devilw = 0;
static UINT8 DrvJoy1[16];
static UINT8 DrvJoy2[16];
@ -523,7 +527,9 @@ static void twin16_spriteram_process()
UINT16 *source = spriteram16;
UINT16 *finish = spriteram16 + 0x1800;
memset(&spriteram16[0x1800], 0, 0x800);
sprite_timer = 2;
memset(&spriteram16[0x1800], 0, 0x800 * sizeof(UINT16));
while (source < finish)
{
@ -575,8 +581,11 @@ static void twin16_CPUA_register_w(INT32 data)
twin16_spriteram_process();
if ((twin16_CPUA_register & 0x10) == 0 && (data & 0x10)) {
INT32 cyc = SekTotalCycles();
SekClose();
SekOpen(1);
cyc = cyc - SekTotalCycles();
if (cyc > 0) SekRun(cyc);
SekSetIRQLine(6, CPU_IRQSTATUS_AUTO);
SekClose();
SekOpen(0);
@ -594,8 +603,11 @@ static void twin16_CPUB_register_w(INT32 data)
{
if ((old & 0x01) == 0 && (twin16_CPUB_register & 0x01))
{
INT32 cyc = SekTotalCycles();
SekClose();
SekOpen(0);
cyc = cyc - SekTotalCycles();
if (cyc > 0) SekRun(cyc);
SekSetIRQLine(6, CPU_IRQSTATUS_AUTO);
SekClose();
SekOpen(1);
@ -667,11 +679,7 @@ UINT16 __fastcall twin16_main_read_word(UINT32 address)
switch (address)
{
case 0x0c000e:
case 0x0c000f: {
static INT32 ret = 0;
ret = 1-ret;
return ret;
}
return (sprite_timer > 0) ? 1 : 0;
case 0x0a0000:
case 0x0a0002:
@ -696,12 +704,8 @@ UINT8 __fastcall twin16_main_read_byte(UINT32 address)
{
switch (address)
{
case 0x0c000e:
case 0x0c000f: {
static INT32 ret = 0;
ret = 1-ret;
return ret;
}
case 0x0c000f:
return (sprite_timer > 0) ? 1 : 0;
case 0x0a0000:
case 0x0a0001:
@ -853,6 +857,8 @@ static INT32 DrvDoReset()
gfx_bank = 0x3210; // for other than fround
video_register = 0;
sprite_timer = 0;
twin16_CPUA_register = 0;
twin16_CPUB_register = 0;
@ -885,6 +891,7 @@ static INT32 MemIndex()
DrvSprRAM = Next; Next += 0x004000;
DrvSprBuf = Next; Next += 0x004000;
DrvSprBuf2 = Next; Next += 0x004000;
DrvShareRAM = Next; Next += 0x010000;
Drv68KRAM0 = Next; Next += 0x004000;
DrvPalRAM = Next; Next += 0x001000;
@ -1046,6 +1053,7 @@ static INT32 DrvExit()
is_cuebrick = 0;
is_vulcan = 0;
is_devilw = 0;
twin16_custom_video = 0;
return 0;
@ -1326,7 +1334,7 @@ static INT32 DrvDraw()
case 0:
// Layer 1 is the lava on the lava world in devilw, mark it to use default (solid) shadow,
// otherwise we show shadowed lava on the sprite-rock platforms -dink
if (nBurnLayer & 1) draw_layer(1, -1, TMAP_DRAWOPAQUE | TWIN16_BG_DEF_SHADOW);
if (nBurnLayer & 1) draw_layer(1, -1, TMAP_DRAWOPAQUE | ((is_devilw) ? TWIN16_BG_DEF_SHADOW : 0));
if (nBurnLayer & 2) draw_layer(0, -1, 0);
break;
case 1:
@ -1383,7 +1391,7 @@ static INT32 DrvFrame()
INT32 nSoundBufferPos = 0;
INT32 nInterleave = 264;
if (twin16_custom_video == 0 && is_vulcan == 0) nInterleave = 600; // devilw
INT32 nCyclesTotal[3] = { (INT32)((double)9216000 / 60.606061), (INT32)((double)9216000 / 60.606061), (INT32)((double)3579545 / 60.606061) };
INT32 nCyclesTotal[3] = { 9216000 / 60, 9216000 / 60, 3579545 / 60 };
INT32 nCyclesDone[3] = { nExtraCycles[0], nExtraCycles[1], nExtraCycles[2] };
ZetOpen(0);
@ -1412,6 +1420,8 @@ static INT32 DrvFrame()
K007232Update(0, pSoundBuf, nSegmentLength);
nSoundBufferPos += nSegmentLength;
}
if (sprite_timer > 0) sprite_timer--;
}
if (pBurnSoundOut) {
@ -1434,12 +1444,18 @@ static INT32 DrvFrame()
DrvDraw();
}
if (~twin16_CPUA_register & 0x40 && need_process_spriteram)
twin16_spriteram_process();
sprite_timer = 2; // set regardless
need_process_spriteram = 1;
if (~twin16_CPUA_register & 0x40) {
if (need_process_spriteram)
twin16_spriteram_process();
need_process_spriteram = 1;
memcpy (DrvSprBuf, DrvSprRAM, 0x4000);
memcpy(DrvSprBuf + 0x3000, DrvSprBuf2, 0x1000);
memcpy(DrvSprBuf2, DrvSprRAM + 0x3000, 0x1000);
} else {
memcpy (DrvSprBuf, DrvSprRAM, 0x4000);
}
return 0;
}
@ -1480,6 +1496,8 @@ static INT32 DrvScan(INT32 nAction, INT32 *pnMin)
SCAN_VAR(video_register);
SCAN_VAR(twin16_CPUA_register);
SCAN_VAR(twin16_CPUB_register);
SCAN_VAR(sprite_timer);
SCAN_VAR(nExtraCycles);
}
@ -1565,6 +1583,7 @@ static INT32 devilwCallback()
static INT32 devilwInit()
{
twin16_custom_video = 0;
is_devilw = 1;
return DrvInit(devilwCallback);
}