Re: 1551 Repair - 28 pin 6523 Wanted

>Pragmatically, it would be helpful if the bits could be ignored safely. 
>Holding them in registers kicks the needed register count up to 48 from 24, 
>pushing one into more expensive options.

You can't know the risk without knowing what the real hardware does, for 
that you need a working chip.
But you can just do the bare minimum and hope nobody was stupid enough to 
rely on those bits.


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