Nate Lawson <email@example.com> writes: > He uploaded another copy of this one that is readable. Thanks, much better. > In the without_ack case, the DATA line never goes low so the ZF tries > a few more times of toggling ATN before giving up and reporting > "device not present". If I understand the original message correctly the "without_ack" case is a drive with a hardware modification - basically a (simulated) defect in the hardware ATN acknowledge circuit. > I did send Jim a special firmware that will wait forever for DATA to > be acked. But perhaps it's never ACKed in this case since the ROM code > expects the circuit to handle it? Why do you expect correct operation when the hardware is broken? -ik Message was sent through the cbm-hackers mailing listReceived on 2012-03-30 19:00:09
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