Microsoft Open-Sources GW-BASIC #VintageComputing @Microsoft

Microsoft announces the open-sourcing of Microsoft GW-BASIC on GitHub!

Why? Since re-open-sourcing MS-DOS 1.25 & 2.0 on GitHub last year, we’ve received numerous requests to also open-source Microsoft BASIC. Well, here we are!

The Source: These sources, as clearly stated in the repo’s readme, are the 8088 assembly language sources from 10th Feb 1983, and are being open-sourced for historical reference and educational purposes. This means we will not be accepting PRs that modify the source in any way.

GW-BASIC was a BASIC interpreter derived from IBM’s Advanced BASIC/BASICA, which itself was a port of Microsoft BASIC.

Microsoft’s various BASIC implementations can trace their origins all the way back to Bill Gates & Paul Allen’s implementation of Microsoft’s first product – a BASIC interpreter for the Altair 8800.

During the late ’70s and 80s, Microsoft’s BASIC was ported to many OEM’s specific platform and hardware needs, and for several processors popular at that time, including the 8088, 6502, 6809, Z80, and others.

Read the full details on the Microsoft Command Line Dev Blog.

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Filed under: GitHub, open source, Programming —
Tags: , , , , — by Anne Barela

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