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Found 1 result

  1. What is the proper way to reset the F18a extended registers so that they have the same values as after a clean power-up cycle? Reason I'm asking is that if you change extended VDP registers the settings stay active even after down a "BLWP @0". In this particular case I have a crash handler in my assembly program that resets the TI to a defined state. But obviously I do not know what was set in the F18a extended registers by the calling program before. Could keep track of any value written to the F18a registers, but with the many extended registers that may get cumbersome. In my last example I turn on position-based attributes, but obviously if I reset the TI, the screen is unreadable. I know how to resolve this particular case, but would prefer a generic solution.
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