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by phkahler
3575 days ago
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>> I'm somewhat surprised that I can remember that the NOP opcode was EA. Amazing what sticks in your mind for almost forty years... poke 19215,25 It was used on MS basic on the Interact computer (1978/9) to enable peek and poke. Oddly the poke instruction would execute and THEN error, but poking this one value disabled the error. There was also a set of 3 pokes that disabled address checking which was used to prevent people from reading the system ROM and the basic interpreter itself. I believe I still have quite a collection of the "Interaction" newsletter that was published in the Detroit area about this machine, which is where the above info came from. Yeah, the stuff we remember... |
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