Microsoft open-sources Bill Gates’ 6502 BASIC from 1978
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 assembly language code to GitHub under an MIT license, allowing anyone to freely use, modify, and distribute the code that helped launch the personal computer revolution. "Rick Weiland and I (Bill Gates) wrote the 6502 BASIC," Gates commented on the