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Fixed Oki banking in Grand Cross. [Angelo Salese]

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This commit is contained in:
Angelo Salese 2009-05-14 19:44:56 +00:00
parent befc46f257
commit aa7b8f9323
1 changed files with 7 additions and 8 deletions
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15
src/mame/drivers/gcpinbal.c
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@ -21,7 +21,7 @@ Understand role of bit 5 of IN1
Eprom?
MSM6295 banking? (also missing in Raine)
BGMs (controlled by MSM-6585 sound chip)
Stephh's notes (based on the game M68000 code and some tests) :
@ -119,7 +119,7 @@ static WRITE16_HANDLER( ioc_w )
switch (offset)
{
// these are all written every frame
case 0x3b:
/*case 0x3b:
case 0xa:
case 0xc:
case 0xb:
@ -127,19 +127,18 @@ static WRITE16_HANDLER( ioc_w )
case 0xe:
case 0xf:
case 0x10:
case 0x47:
break;
case 0x47:
popmessage("%04x",data);
break;*/
// MSM6585 bank, coin LEDs, maybe others?
case 0x44:
if (data & 0x10)
{
if (data & 0x10) // Check this, this looks a 8-bit port so it must be bit 12, not 4 -AS
bank = 0x100000;
}
else
{
bank = 0;
}
okim6295_set_bank_base(devtag_get_device(space->machine, "oki"), 0x40000 * ((data & 0x800)>>11));
break;
case 0x45: