The original BASIC which ran on the ALTAIR has been open-sourced.

#BASIC #History #Altair8080

https://www.theregister.com/2025/09/04/microsoft_open_sources_6502_basic/

Microsoft open-sources the 6502 BASIC coded by Bill Gates himself

: GOTO 1976

The Register

Single-stepping an original #Altair8080 through a #BASIC program which renders the Mandelbrot set... on a #Teletype.

Listen to the Teletype slowing down for the calculations that require more iterations. Beautiful.

#RetroFest2025

Playing around with #z80pack, a proper emulation of #Altair8080 and #Imsai8080. I never got it to work on Windows, because I couldn't get to grips with the complexity of CygWin's dependencies. On #Debian, a simple "make clean" and "make all" is enough. And the Imsai simulator starts with its graphical control panel.
#RetroComputing #Simulator
The Secret Father of Modern Computing

How Ed Roberts created the personal computer industry—and then walked away

So far the “user interface” is working, but the CPU emulator needs wired up. #altair8080 #visionpro