#MOS 6502
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Tube Time explains the myth of the 6502' ROR bug.
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youtube
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Earlier this summer, the Wisconsin Computer Club received this beautiful old Apple 2 Plus from it's original owner. It's not working right now, displaying the colorful columns you see on the big TV, but this is likely a RAM issue. These old Apple 2's are past 40 years old, so they're bound to have a few chips go bad in that time I suppose.
Another thing that's almost certainly dead is the power supply. These contain the notorious "RIFA" caps that have long since dried out and cracked, and they burn up in smoke pretty spectacularly when they die. In our case, the club has a modern external power supply (the white box behind the computer) that's likely going to run this unit at shows and things going forward.
More to follow on this beauty!
#Apple 2#Apple ][#Apple 2+#Apple Computer#apple computer inc.#MOS 6502#retro computing#vintage computer#Wisconsin computer club
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Selections from The Personal Computer Handbook by Peter Rodwell (1983)
Some of my thoughts while reading:
- I forgot how old ASCII is
- MOS 6502 my beloved (with 8086 jumpscare)
- That one page I misread as "Computer Erotica"
- Program listings printed on dot matrix and scanned as images for publication, because that was the best option - normal in magazines, a suprise in a hardcover book
- CP/M being a more noteworthy OS than something called MS-DOS
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What's your have a favourite CPU architecture?
given how fast it's moving, favourite in terms of potential has to be RISC-V !! it might even be a viable option by the time i can buy a new main PC lmao
otherwise probably MOS 6502 for its use in basically everything in the 80s and early 90s, and its educational use decades later. idk how many variants there are using that architecture but it's stood the test of time.
no x86 on this list (though i have a soft spot for NetBurst) and sadly no PPC or 68k (though i think both are interesting, i just don't know much about them aside from their use in macs)
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what is your favourite chip
salt and vinnies, zesty cheese or mos technology 6502, i can't decide.
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i like your name
Thank you so much!! It’s a reference to two things - “Europa” is a reference to the song “Europa and the Pirate Twins” by Thomas Dolby, and the “6502” is a reference to the MOS Technology 6502 microprocessor <3
I like your name too :)
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BYTE December 1996
Twenty-five years after Intel’s 4004 microprocessor was introduced, this issue examined how far those chips had come with an eye to how they were in more things than just “computers” (although Apple II, Atari, and Commodore diehards might point out the historical retrospective didn’t mention the MOS 6502).
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Researchers Turn to the Humble MOS 6502 to Prove a Multi-Project Foundry Model for Flexible Chips
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Hellorld! on the Cactus
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these researchers are peak sass:
[S]ource code will only be supplied in one of three formats, they say: “a copy handwritten on papyrus, a slide-show of blurry screenshots recorded on a VHS tape, or that I dictate it to you personally over the phone.”
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More selections from The Personal Computer Handbook by Peter Rodwell (1983)
I want that Sord M23 so bad.
Also, CDs weren't a thing yet but "Artificial Intelligence" was already getting its own chapter.
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MOnSter 6502: a working transistor-scale replica of the classic MOS 6502
https://monster6502.com/
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