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nes_apu: remove wrongly placed dpcm irq clear

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hap 2022-12-21 16:57:18 +01:00
parent 7603db3379
commit 14c680e940
1 changed files with 2 additions and 3 deletions
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5
src/devices/sound/nes_apu.cpp
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@ -451,7 +451,6 @@ static inline void apu_dpcmreset(apu_t::dpcm_t *chan)
chan->address = 0xc000 + u16(chan->regs[2] << 6);
chan->length = u16(chan->regs[3] << 4) + 1;
chan->bits_left = chan->length << 3;
chan->irq_occurred = false;
chan->enabled = true; /* Fixed * Proper DPCM channel ENABLE/DISABLE flag behaviour*/
}
@ -492,7 +491,6 @@ void nesapu_device::apu_dpcm(apu_t::dpcm_t *chan)
}
}
chan->bits_left--;
bit_pos = 7 - (chan->bits_left & 7);
if (7 == bit_pos)
@ -633,7 +631,8 @@ void nesapu_device::write(offs_t offset, u8 value)
/* DMC */
case apu_t::WRE0:
m_APU.dpcm.regs[0] = value;
if (!(value & 0x80)) {
if (!(value & 0x80))
{
m_APU.dpcm.irq_occurred = false;
if (!m_APU.frame_irq_occurred)
m_irq_handler(false);