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ncr5380n: exit infinite loop (nw)

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This commit is contained in:
Patrick Mackinlay 2020-05-06 12:20:47 +07:00
parent 35fdbbd20a
commit 90000b990b
1 changed files with 6 additions and 1 deletions
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7
src/devices/machine/ncr5380n.cpp
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@ -434,14 +434,19 @@ int ncr5380n_device::state_step()
break;
case ARB_BUS_FREE:
LOGMASKED(LOG_STATE, "arbitration: waiting for bus free\n");
if (!(scsi_bus->ctrl_r() & (S_SEL | S_BSY | S_RST)))
{
LOGMASKED(LOG_STATE, "arbitration: bus free\n");
// FIXME: AIP should only be set when arbitration begins
m_icmd |= IC_AIP;
m_state = ARB_START;
delay = 1700;
}
else
{
LOGMASKED(LOG_STATE, "arbitration: bus not free\n");
m_state = IDLE;
}
break;
case ARB_START:
LOGMASKED(LOG_STATE, "arbitration: started\n");