Quote:
Originally Posted by Timbucus
Then we lead onto selecting other graphics modes like split screen characters and graphics... for that toppage needs to strap to that line as well.
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Yes, for those cases a change on TOPPAGE in on A4 would need to select a programmed byte where the GRAPH / CHAR control bit changes as well as the PS1 or PS3 control bit. It would be quite a humdrum job to define it all, maybe generation of the device contents could be automated via a program written in Python or 'C' or something.