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Better emulation of kodb hardware

This commit is contained in:
Barry Harris 2012-12-06 13:51:06 +00:00
parent 19bd37ed0f
commit 2a52727558
4 changed files with 97 additions and 4 deletions
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1
src/burn/drv/capcom/cps.h
View File

@ -275,6 +275,7 @@ extern INT32 CpsLayer1YOffs;
extern INT32 CpsLayer2YOffs;
extern INT32 CpsLayer3YOffs;
extern INT32 Cps1DisableBgHi;
extern INT32 CpsDisableRowScroll;
extern INT32 Cps1OverrideLayers;
extern INT32 nCps1Layers[4];
extern INT32 nCps1LayerOffs[3];

3
src/burn/drv/capcom/cps_draw.cpp
View File

@ -19,6 +19,7 @@ INT32 CpsLayer2YOffs = 0;
INT32 CpsLayer3YOffs = 0;
INT32 Cps1DisableBgHi = 0;
INT32 CpsDisableRowScroll = 0;
INT32 Cps1OverrideLayers = 0;
INT32 nCps1Layers[4] = { -1, -1, -1, -1 };
@ -129,7 +130,7 @@ static INT32 DrawScroll2Init(INT32 i)
CpsrRows = NULL;
if (n & 1) {
if ((n & 1) && !CpsDisableRowScroll) {
INT32 nTab, nStart;
// Find row scroll table:

7
src/burn/drv/capcom/cps_obj.cpp
View File

@ -469,7 +469,12 @@ INT32 KodbObjGet()
pof->nShiftX = -0x40;
pof->nShiftY = -0x10;
Get = CpsRam90 + 0x50c8;
// needs to alternate between the two sprite ram areas to achieve flashing
INT32 nOff = BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsRamFF + 0x1256))) << 8;
nOff &= 0xffff;
nOff += 0x1140;
Get = CpsRam90 + nOff;
if (Get==NULL) return 1;

90
src/burn/drv/capcom/d_cps1.cpp
View File

@ -11417,6 +11417,7 @@ static INT32 DrvExit()
PangEEP = 0;
Cps1LockSpriteList910000 = 0;
Cps1DisableBgHi = 0;
CpsDisableRowScroll = 0;
Dinohunt = 0;
Sf2thndr = 0;
Port6SoundWrite = 0;
@ -12297,9 +12298,85 @@ static INT32 Knightsb2Init()
return DrvInit();
}
UINT8 __fastcall KodbInputReadByte(UINT32 a)
{
switch (a) {
case 0x992000: {
return ~Inp000;
}
case 0x992001: {
return ~Inp001;
}
case 0x992008: {
return ~Inp018;
}
case 0x992009: {
return 0xff;
}
default: {
bprintf(PRINT_NORMAL, _T("Input Read Byte %x\n"), a);
}
}
return 0;
}
void __fastcall Kodb98WriteByte(UINT32 a, UINT8 d)
{
switch (a) {
case 0x992007: {
PsndSyncZ80((INT64)SekTotalCycles() * nCpsZ80Cycles / nCpsCycles);
PsndCode = d;
return;
}
}
bprintf(PRINT_IMPORTANT, _T("Unknown byte value written at %x %x\n"), a, d);
}
void __fastcall Kodb98WriteWord(UINT32 a, UINT16 d)
{
switch (a) {
case 0x980000: {
// scroll1 y
*((UINT16*)(CpsReg + 0x0e)) = BURN_ENDIAN_SWAP_INT16(d);
return;
}
case 0x980002: {
// scroll1 x
*((UINT16*)(CpsReg + 0x0c)) = BURN_ENDIAN_SWAP_INT16(d - 0x3e);
return;
}
case 0x980004: {
// scroll2 y
*((UINT16*)(CpsReg + 0x12)) = BURN_ENDIAN_SWAP_INT16(d);
return;
}
case 0x980006: {
// scroll2 x
*((UINT16*)(CpsReg + 0x10)) = BURN_ENDIAN_SWAP_INT16(d - 0x3c);
return;
}
case 0x980008: {
// scroll3 y
*((UINT16*)(CpsReg + 0x16)) = BURN_ENDIAN_SWAP_INT16(d);
return;
}
case 0x98000a: {
// scroll3 x
*((UINT16*)(CpsReg + 0x14)) = BURN_ENDIAN_SWAP_INT16(d - 0x40);
return;
}
case 0x98000c: {
*((UINT16*)(CpsReg + nCpsLcReg)) = BURN_ENDIAN_SWAP_INT16(d);
return;
@ -12314,6 +12391,11 @@ void __fastcall Kodb98WriteWord(UINT32 a, UINT16 d)
*((UINT16*)(CpsReg + MaskAddr[2])) = BURN_ENDIAN_SWAP_INT16(d);
return;
}
case 0x994000: {
// ???
return;
}
}
bprintf(PRINT_IMPORTANT, _T("Unknown value written at %x %x\n"), a, d);
@ -12324,6 +12406,8 @@ static INT32 KodbInit()
INT32 nRet = 0;
Kodb = 1;
bCpsUpdatePalEveryFrame = 1;
CpsDisableRowScroll = 1;
Cps1GfxLoadCallbackFunction = CpsLoadTilesKodb;
Cps1ObjGetCallbackFunction = KodbObjGet;
Cps1ObjDrawCallbackFunction = FcrashObjDraw;
@ -12332,11 +12416,13 @@ static INT32 KodbInit()
SekOpen(0);
SekMapHandler(1, 0x980000, 0x99ffff, SM_WRITE);
SekSetWriteByteHandler(1, Kodb98WriteByte);
SekSetWriteWordHandler(1, Kodb98WriteWord);
SekMapHandler(2, 0x992000, 0x992009, SM_READ);
SekSetReadByteHandler(2, KodbInputReadByte);
SekClose();
*((UINT16*)(CpsReg + MaskAddr[0])) = 0x0000;
*((UINT16*)(CpsReg + MaskAddr[3])) = BURN_ENDIAN_SWAP_INT16(0xff00);
Cps1VBlankIRQLine = 4;
return nRet;
}