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5 posts
A technical history of the Altair 8800, its Intel 8080, switch-and-light front panel, expandable bus, BASIC software, and the hobbyist ecosystem it helped catalyze.
A technical history of the Apple II's 6502, color video, memory map, expansion slots, cassette-to-disk transition, and software ecosystem.
A technical history of the PET 2001's integrated 6502 system, built-in cassette and display, BASIC environment, memory limits, and early market role.
How Tandy Radio Shack paired a Z80, BASIC, cassette storage, a monitor bundle, and thousands of stores to make the TRS-80 a mass-market microcomputer.
Explore VisiCalc's grid, cell formulas, interactive recalculation, Apple II constraints, and the software-publishing choices that helped PCs find business users.