Repair

Commodore Plus/4 repair

A 1984 Commodore, back on the bench.

Richeson: Commodore Plus/4 repair — Retrocomputing

Summary—Repairing a Commodore Plus/4, the 8-bit machine that ASCITTY and UR FINKEL are written for.

The Plus/4 is Commodore’s 1984 home computer: a 7501 processor from the 6502 family, the TED chip for video and sound, 64 KB of memory and 121 colours. One is being brought back to working order here; ASCITTY and UR FINKEL are written for it.

At a Glance

TABLE I Commodore Plus/4 repair
MachineCommodore Plus/4 (1984)
ProcessorMOS 7501, a 6502 derivative
Video and soundTED