Huan Qiu Wang·2025-09-04 04:25Core Points - Microsoft has officially released the source code of the MOS 6502 BASIC interpreter, developed in 1976 by Bill Gates and Ric Weiland, under an open-source license [1][3] - This release provides valuable material for technology enthusiasts and researchers to understand the development of early computer languages [1] Group 1 - The MOS 6502 BASIC interpreter was specifically designed for the MOS 6502 processor, with a code size of only 8KB and version number 1.1 [3] - The interpreter played a crucial role in the early stages of personal computer development, forming the foundation of the BASIC language widely used in classic models like Commodore PET, VIC-20, and Commodore 64 [3] - In 1977, Commodore acquired the usage rights for the interpreter for a one-time payment of $25,000, making it a core component of Commodore platforms and significantly lowering the programming barrier for users [3] Group 2 - The open-sourced code retains the original file header "BASIC M6502 8K VER 1.1 BY MICROSOFT" and includes an Easter egg designed by Bill Gates [3] - Gates confirmed in 2010 that the Easter egg is represented by the subtle difference between the labels STORDO and STORD0, adding a unique touch to this piece of technological history [3]