23 Dec
2013
23 Dec
'13
2:20 p.m.
On Mon, Dec 23, 2013 at 4:15 PM, Al Kossow <aek at bitsavers.org> wrote:
On 12/23/13 11:30 AM, Ethan Dicks wrote:
Yeah. Byte Writes still worked (because of how the internal bus
latches worked), but Byte reads failed (for the same cause - you got a
ghost of whatever the previous bus transaction was - that was how I
proved it wasn't software, the hardware trace didn't match what the
code was clearly doing).
-ethan
he swapped UDS and LDS and
because of how the 68K is built internally, somethings worked and
somethings failed.
'byte smearing'