Microsoft called the code—written by the company’s founder, Bill Gates, and its second-ever employee, Ric Weiland—”one of the ...

Specifically, it's a port of BASIC, the OS that founders Bill Gates and Paul Allen developed for use on the Intel 8080-powered Altair 8800. As explained in a Microsoft blog, the version that's just ...

Microsoft has open-sourced the 6502 BASIC programming language interpreter from 1976. Its source code is now available on ...