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Cleared null count bit in PIT status byte. Fixes Wing Commander III, Wings of Fury and probably other Origin games.

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This commit is contained in:
SarahW 2018-01-09 20:07:27 +00:00
commit 3c431794f0
1 changed files with 3 additions and 3 deletions
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6
src/pit.c
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@ -353,17 +353,17 @@ void pit_write(uint16_t addr, uint8_t val, void *p)
{
if (val & 2)
{
pit->read_status[0] = (pit->ctrls[0] & 0x3f) | 0x40 | (pit->out[0] ? 0x80 : 0);
pit->read_status[0] = (pit->ctrls[0] & 0x3f) | (pit->out[0] ? 0x80 : 0);
pit->do_read_status[0] = 1;
}
if (val & 4)
{
pit->read_status[1] = (pit->ctrls[1] & 0x3f) | 0x40 | (pit->out[1] ? 0x80 : 0);
pit->read_status[1] = (pit->ctrls[1] & 0x3f) | (pit->out[1] ? 0x80 : 0);
pit->do_read_status[1] = 1;
}
if (val & 8)
{
pit->read_status[2] = (pit->ctrls[2] & 0x3f) | 0x40 | (pit->out[2] ? 0x80 : 0);
pit->read_status[2] = (pit->ctrls[2] & 0x3f) | (pit->out[2] ? 0x80 : 0);
pit->do_read_status[2] = 1;
}
}