daver2
10k Member
So, that looks OK. I don't specifically know about the data bus though - but at least there are no "NO SIGNAL" pins!
Can you now swap the original ROM in UD9 for the abracadabra ROM and repeat the UD9 pin testing please.
Dave
Can you now swap the original ROM in UD9 for the abracadabra ROM and repeat the UD9 pin testing please.
Dave