86-DOS on archive.org As of this moment, this is the oldest version of 86-DOS surviving in the wild. The prior version was 0.34. You can download a disk image over on archive.org. Thanks to F15sim for providing the uploads! Getting this running was a little involved as I first had to build open-simh, I just used the Windows Subsystem for Linux (WSL) to build the altairz80 emulator. With the emulator built, you’ll need the BIOS 86mon.bin from schorn.ch as 86dos.zip. In the archive you’ll find 86-...