OK - nothing on the screen, but I am now getting square waves on the CPU address lines with the 6502 plugged directly into the socket.
I'm more than happy to replace UE9 and 10 if that may help. I have replacement chips and sockets here.
Should I re-start my testing?
Colin.
Quote:
Originally Posted by SiriusHardware
If the PROMs have been mixed up since you got them back and since before you got the new UD7, consider trying the computer with all the PROMs in the right places and the CPU inserted directly, just in case it then works.
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