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The 8-Bit Era's Weird Uncle: The TI-99/4A
It’s been awhile since I’ve looked at an architecture that’s completely new to me, and I haven’t done any since creating my new scheme for dedicated platform guides. I’…
Bumbershoot Software
An Umbrella Site for Michael Martin's software experiments
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Comparing the Z80 and 6502 to Their Relatives
Last week’s adventures with the Exidy Sorcerer led me to write a Z80 version of the LZ4 decompressor I’d previously used on the SNES, the CoCo, and the Genesis. At this point, this has …
3
ZX Spectrum: Experimenting with 1-Bit Sound
As part of the ZX Spectrum tour, I implemented some routines that would let you play simple tones out of the 1-bit beeper. These were in large part inspired by earlier work I did on the Apple II. W…