Altair Basic was developed by Gates, fellow Microsoft co-founder Paul Allen, and programmer Monte Davidoff. The trio reportedly coded “day and night for two months” in 1975.

And the fun isn't over yet! To commemorate the special occasion, Microsoft's co-founder Bill Gates has joined the fray and shared the source code that shaped the company's origins — Altair BASIC.

Describing Microsoft's 50th anniversary as "bittersweet," Gates said it still feels like yesterday when he and Allen wrote the Altair BASIC code on a PDP-10 mainframe in Harvard's computer lab.

But back to Microsoft. The Altair BASIC source code is available as a PDF download, covering 157 pages. Gates is “super proud of how it turned out,” and considering what Altair BASIC led to, ...

At the end of his post, he included a PDF of the original source code for the Altair Basic — all 157 pages of it. You can check it out here.. In his blog post, Gates noted that late Microsoft ...

Ahead of Microsoft's 50th anniversary this week, co-founder Bill Gates has released the company's original source code. Gates and Paul Allen wrote it in BASIC using a PDP-10 mainframe at Harvard ...

(Just as the 8080/Z80 Basic code was explained in “Microsoft Basic Decoded & Other Mysteries”, and a ton of equivalent 6502 Basic dissembles.) But it’s good to have source comments.

“The coolest code I’ve ever written.” With these words, Bill Gates introduces a blog post that celebrates Microsoft’s 50th anniversary by looking back on how the company got started.. At ...

Even as he grows older, Microsoft founder Bill Gates still fondly remembers the catalytic computer code he wrote 50 years ago that opened up a new frontier in technology. Although the code that Gates ...

Ahead of Microsoft's 50th anniversary this week, co-founder Bill Gates has released the company's original source code. Gates and Paul Allen wrote it in BASIC using a PDP-10 mainframe at Harvard.