AltairSim

A MITS Altair 8800 simulator

Front-panel switches, an 8080 core, and the peripherals the machine actually shipped with — running on hardware you already own.

Downloads Documentation

The front panel

Address and data switches, sense switches, and the full run/stop/examine/deposit cycle.

Peripherals

Serial I/O boards, cassette, paper tape, and floppy controllers for period software.

Software archive

Disk images, ROM monitors and BASIC releases, ready to load.

Getting started

Grab a build from the downloads area, then follow the documentation to bring up a first machine and load a disk image.