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Microsoft open-sources Bill Gates’ 6502 BASIC from 1978

Microsoft open-sources Bill Gates’ 6502 BASIC from 1978
technology9/4/2025

Historic interpreter taught millions to program on Commodore and Apple computers.

On Wednesday, Microsoft released the complete source code for Microsoft BASIC for 6502 Version 1.1, the 1978 interpreter that powered the Commodore PET, VIC-20, Commodore 64, and Apple II through custom adaptations. The company posted 6,955 lines of ... [2420 chars]