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

Microsoft’s 6502 BASIC ran on the same CPU that powered the Apple II, Commodore 8-bit series, NES, and Atari 2600.

Fortunately, there are people around the world who work hard at preserving these older systems and give us a living, working representation of what computer science was like 40-50 years ago. Now, ...

Microsoft released the source code for ' Microsoft BASIC for 6502 Microprocessor - Version 1.1 ' as open source on September 3, 2025. While the 6502 BASIC source code had previously been distributed ...

Microsoft publishes the original 6502 BASIC source code from 1976 for the first time as open source – a milestone in the history of the company and its software ...

"Rick Weiland and I (Bill Gates) wrote the 6502 BASIC," Gates commented on the Page Table blog in 2010. "I put the WAIT ...

A few months after releasing the Altair BASIC source code, Microsoft has shared another cornerstone of its early software success. The company announced that 6502 BASIC ...

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That was almost 50 years ago; since then, Microsoft has embraced open-source software. In recent years, Microsoft has started releasing some of its classic operating systems and programs as open ...

Microsoft has finally open-sourced one of its oldest products: 6502 BASIC. The source code for Microsoft BASIC Version 1.1 for the 6502 microprocessor is now available on the Redmond giant's GitHub ...

We'd venture that most folks under 40 or so aren't aware that Bill Gates and Paul Allen, former head honchos of Microsoft, actually started their empire as hardcore programmers, and darn good ones at ...

An overriding memory for those who used 8-bit machines back in the day was of using BASIC to program them. Without a disk-based operating system as we would know it today, these systems invariably ...