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hd63450: Update IRQ output when enable bit changes (nw)

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AJR 2019-04-19 17:06:25 -04:00
parent b17e76d105
commit 2529e1432a
1 changed files with 4 additions and 0 deletions
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4
src/devices/machine/hd63450.cpp
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@ -206,6 +206,10 @@ WRITE16_MEMBER(hd63450_device::write)
dma_transfer_halt(channel); dma_transfer_halt(channel);
if (data & 0x0040) // continure operation if (data & 0x0040) // continure operation
dma_transfer_continue(channel); dma_transfer_continue(channel);
if ((data & 0x0008) == 0)
clear_irq(channel);
else if ((m_reg[channel].csr & 0xf2) != 0)
set_irq(channel);
LOG("DMA#%i: Channel Control write : %02x\n",channel,m_reg[channel].ccr); LOG("DMA#%i: Channel Control write : %02x\n",channel,m_reg[channel].ccr);
} }
break; break;