simh

Emulates classic DEC, HP, GRI, IBM, Altair, SDS, Honeywell, and others

SIMH is a highly portable, multi-system simulator. SIMH implements simulators for: - Data General Nova, Eclipse - Digital Equipment Corporation PDP-1, PDP-4, PDP-7, PDP-8, PDP-9, PDP-10, PDP-11, PDP-15, VAX - GRI Corporation GRI-909 - IBM 1401, 1620, 1130, System 3 - Interdata (Perkin-Elmer) 16b and 32b systems - Hewlett-Packard 2116, 2100, 21MX - Honeywell H316/H516 - MITS Altair 8800, with both 8080 and Z80 - Royal-Mcbee LGP-30, LGP-21 - Scientific Data Systems SDS 940 These simulators are capable of running the Unix V5, V6 and V7 binaries licenced for non-commercial use by SCO. See documentation for further details.