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OCD on PCE.

This commit is contained in:
iq_132 2014-01-24 01:30:41 +00:00
parent bca61622a8
commit 7d7df26c7e
1 changed files with 18 additions and 19 deletions
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37
src/burn/drv/pce/pce.cpp
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@ -39,7 +39,6 @@ static UINT8 *PCECartRAM;
static UINT8 *PCEUserRAM;
static UINT8 *PCECDBRAM;
static UINT32 *DrvPalette;
UINT8 PCEPaletteRecalc;
@ -63,7 +62,6 @@ static INT32 pce_sf2 = 0;
static INT32 pce_sf2_bank;
static UINT8 bram_locked = 1;
INT32 PceGetZipName(char** pszName, UINT32 i)
{
static char szFilename[MAX_PATH];
@ -218,29 +216,32 @@ static void pce_write(UINT32 address, UINT8 data)
h6280_irq_status_w(address & 0x3ff, data);
return;
case 0x1ff800:
case 0x1ff800: // cd system
{
switch( address & 0xf )
{
case 0x07: /* BRAM unlock / CD status */
if ( data & 0x80 )
case 0x07: /* BRAM unlock / CD status */
{
bram_locked = 0;
if (data & 0x80)
{
bram_locked = 0;
}
}
break;
}
bprintf(0,_T("CD write %x:%x\n"), address, data );
// cd system
}
return;
}
if ((address >= 0x1ee000) && (address <= 0x1ee7ff)) {
// bprintf(0,_T("bram write %x:%x\n"), address & 0x7ff, data );
if (!bram_locked)
{
PCECDBRAM[address & 0x7FF] = data;
}
return;
// bprintf(0,_T("bram write %x:%x\n"), address & 0x7ff, data );
if (!bram_locked)
{
PCECDBRAM[address & 0x7FF] = data;
}
return;
}
@ -249,13 +250,10 @@ static void pce_write(UINT32 address, UINT8 data)
static UINT8 pce_read(UINT32 address)
{
address &= 0x1fffff;
switch (address & ~0x3ff)
{
case 0x1fe000:
return vdc_read(0, address);
@ -311,11 +309,12 @@ static UINT8 pce_read(UINT32 address)
}
if ((address >= 0x1ee000) && (address <= 0x1ee7ff)) {
// bprintf(0,_T("bram read %x:%x\n"), address,address & 0x7ff );
return PCECDBRAM[address & 0x7ff];
// bprintf(0,_T("bram read %x:%x\n"), address,address & 0x7ff );
return PCECDBRAM[address & 0x7ff];
}
bprintf(0,_T("Unknown read %x\n"), address );
return 0;
}