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system1.c: Fixed PIO regression. (no whatsnew)

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Curt Coder 2010-02-18 20:39:50 +00:00
parent 56e5600332
commit 158ed23dae
1 changed files with 2 additions and 1 deletions
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3
src/mame/drivers/system1.c
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@ -499,9 +499,10 @@ static READ8_HANDLER( sound_data_r )
/* if we have a Z80 PIO, get the data from the port and toggle the strobe */
else if (pio != NULL)
{
UINT8 data = z80pio_pa_r(pio, 0);
z80pio_astb_w(pio, 0);
z80pio_astb_w(pio, 1);
return soundlatch_r(space, offset);
return data;
}
return 0xff;