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namcos23: pass C422 IRQ test [R. Belmont]

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This commit is contained in:
R. Belmont 2010-03-07 20:54:52 +00:00
parent e7d58a0678
commit 8979dac0c1
1 changed files with 33 additions and 0 deletions
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33
src/mame/drivers/namcos23.c
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@ -1200,6 +1200,7 @@ static UINT16 c421_dram_b[0x40000];
static UINT16 c421_sram[0x8000];
static UINT32 c421_adr = 0;
static INT16 s23_c422_regs[0x10];
static UINT16 nthword( const UINT32 *pSource, int offs )
{
@ -1509,6 +1510,37 @@ static READ16_HANDLER(s23_c361_r)
return 0xffff;
}
static READ16_HANDLER(s23_c422_r)
{
return s23_c422_regs[offset];;
}
static WRITE16_HANDLER(s23_c422_w)
{
switch (offset)
{
case 1:
if (data == 0xfffb)
{
logerror("c422_w: raise IRQ 3\n");
cputag_set_input_line(space->machine, "maincpu", MIPS3_IRQ3, ASSERT_LINE);
}
else if (data == 0x000f)
{
logerror("c422_w: ack IRQ 3\n");
cputag_set_input_line(space->machine, "maincpu", MIPS3_IRQ3, CLEAR_LINE);
}
break;
default:
logerror("c422_w: %04x @ %x\n", data, offset);
break;
}
COMBINE_DATA(&s23_c422_regs[offset]);
}
static INTERRUPT_GEN(s23_interrupt)
{
if(!ctl_vbl_active) {
@ -1603,6 +1635,7 @@ static ADDRESS_MAP_START( ss23_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x04c3ff0c, 0x04c3ff0f) AM_RAM // 3d FIFO
AM_RANGE(0x06000000, 0x0600ffff) AM_RAM AM_BASE_SIZE_GENERIC(nvram) // Backup
AM_RANGE(0x06200000, 0x06203fff) AM_RAM // C422
AM_RANGE(0x06400000, 0x0640000f) AM_READWRITE16( s23_c422_r, s23_c422_w, 0xffffffff ) // C422 registers
AM_RANGE(0x06800000, 0x06807fff) AM_RAM_WRITE( s23_txtchar_w ) AM_BASE(&namcos23_charram) // text layer characters (shown as CGRAM in POST)
AM_RANGE(0x06804000, 0x0681dfff) AM_RAM
AM_RANGE(0x0681e000, 0x0681ffff) AM_RAM_WRITE( namcos23_textram_w ) AM_BASE(&namcos23_textram)