Microsoft open sources GWBASIC

geneb geneb at
Fri May 22 15:09:04 CDT 2020

On Fri, 22 May 2020, Fred Cisin via cctalk wrote:

> On Fri, 22 May 2020, Boris Gimbarzevsky wrote:
>> Thanks for posting the timeline of various Basic interpreters.  I wasn't 
>> aware that Gates/Allen also wrote Basic for C64.
> Microsoft did a BASIC for the Commodore PET.  I wasn't aware that they did 
> the C64.
Yep.  Jack Tramiel not only used Microsoft BASIC in just about every 8 bit 
machine Commodore made, but he struck a non-royalty deal with Microsoft. 

Here's the source code for Microsoft BASIC for the 6502:


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