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furnace/doc/7-systems/pet.md
Electric Keet 20dc44b800 Teensy formatting change. 
None of these should be list items. It was a bad idea.
2023-08-04 22:16:02 -05:00

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Commodore PET

a computer from 1977 which was leader on US schools back then. subsequently the Apple II took its throne.

maybe no better than a computer terminal, but somebody discovered a way to update the screen at turbo rate - and eventually its sound "chip" (it was nothing more than an 8-bit shift register) was abused as well.

some of these didn't even have sound...

effects

  • 10xx: set waveform. xx is a bitmask.

info

this chip uses the PET instrument editor.