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fix maincpu interrupts

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This commit is contained in:
Michaël Banaan Ananas 2011-12-30 23:37:06 +00:00
parent 9537f6c091
commit 7b6b968514
1 changed files with 20 additions and 25 deletions
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45
src/mame/drivers/namcona1.c
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@ -976,29 +976,25 @@ ADDRESS_MAP_END
static TIMER_DEVICE_CALLBACK( namcona1_interrupt )
{
namcona1_state *state = timer.machine().driver_data<namcona1_state>();
int level = param / 50;
if((param % 51) != 0)
return;
if( level==0 )
int scanline = param;
int enabled = state->m_mEnableInterrupts ? ~state->m_vreg[0x1a/2] : 0;
// vblank
if (scanline == 224)
{
simulate_mcu( timer.machine() );
if (enabled & 8)
device_set_input_line(state->m_maincpu, 4, HOLD_LINE);
}
if( state->m_mEnableInterrupts )
// posirq, used with dolphin in Emeraldia's "how to play" attract mode
int posirq_scanline = state->m_vreg[0x8a/2] & 0xff;
if (scanline == posirq_scanline && enabled & 4)
{
if( (state->m_vreg[0x1a/2]&(1<<level))==0 )
{
if( level==2 )
{ // posirq used with dolphin in Emeraldia's "how to play" attract mode
int scanline = state->m_vreg[0x8a/2]&0xff;
if( scanline )
{
timer.machine().primary_screen->update_partial(scanline );
}
}
device_set_input_line(state->m_maincpu, level+1, HOLD_LINE);
}
if (posirq_scanline)
timer.machine().primary_screen->update_partial(posirq_scanline);
device_set_input_line(state->m_maincpu, 3, HOLD_LINE);
}
}
@ -1011,14 +1007,13 @@ static TIMER_DEVICE_CALLBACK( mcu_interrupt )
namcona1_state *state = timer.machine().driver_data<namcona1_state>();
int scanline = param;
if (scanline == 0)
{
// vblank
if (scanline == 224)
device_set_input_line(state->m_mcu, M37710_LINE_IRQ1, HOLD_LINE);
}
else if (scanline == 128)
{
// adc (timing guessed, when does this trigger?)
if (scanline == 0)
device_set_input_line(state->m_mcu, M37710_LINE_ADC, HOLD_LINE);
}
}
static const c140_interface C140_interface_typeA =