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CIA 6526: fixed serial transfer

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This commit is contained in:
Curt Coder 2010-01-20 13:55:42 +00:00
parent 8faa7d02ae
commit aa31b23824
1 changed files with 2 additions and 1 deletions
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3
src/emu/machine/6526cia.c
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@ -362,8 +362,8 @@ static void cia_timer_underflow(running_device *device, int timer)
cia->serial <<= 1;
cia->cnt = 0;
devcb_call_write_line(&cia->out_cnt_func, cia->cnt);
devcb_call_write_line(&cia->out_sp_func, cia->sp);
devcb_call_write_line(&cia->out_cnt_func, cia->cnt);
}
else
{
@ -373,6 +373,7 @@ static void cia_timer_underflow(running_device *device, int timer)
if (cia->shift == 8)
{
cia->shift = 0;
cia->ics |= 0x08;
cia_update_interrupts(device);
}