Breathing New Life into PCjr: Rebuilding IBM’s BIOS from Print Edition
TL;DR Summary
A retrocomputing piece describes reconstructing a byte-identical IBM PCjr BIOS from the original printed x86 assembly, using a DOS/DOSBox toolchain included in a ZIP to assemble, link, and convert the code into a BIN suitable for two 32 KB ROMs—highlighting that IBM copyright still applies while preserving a slice of PC history.
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