email@example.com wrote: > > The 6502->8501 design is based on my 6502->6510 design. And the 6510 has a > data-direction register. (Although I wonder if it is used ever again aftre > the first initialisation) > As a side note, we used to use a bit in the DDR for keeping track of whether the user had selected trainer-mode or not back in the good old days of "cracking" games. Never ever came across a single app that touches it. -- Christer Palm Message was sent through the cbm-hackers mailing list
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