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funtech/supracan.cpp: hookup sound to main irq

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angelosa 2024-09-08 16:17:38 +02:00
parent 8f7a6b9608
commit 39b831b20c
1 changed files with 8 additions and 0 deletions
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8
src/mame/funtech/supracan.cpp
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@ -1468,6 +1468,14 @@ void supracan_state::_6502_soundmem_w(offs_t offset, uint8_t data)
} }
break; break;
} }
case 0x40a:
// speedyd/magipool uses this to request main to kickoff a sound DMA.
// gamblord/formduel just sets this just to poll a sound command
// all sets up 0x40c/0x40d as a buffer, and 0x40a to check if the irq is valid
// (does reading from 68k side acknowledges?)
m_maincpu->set_input_line(6, HOLD_LINE);
m_soundram[0x40a] = data;
break;
case 0x410: case 0x410:
m_soundcpu_irq_enable = data; m_soundcpu_irq_enable = data;
// gamblord (at least) checks for pending irqs // gamblord (at least) checks for pending irqs