IBM 1130 simulator

Van Snyder van.snyder at
Tue Oct 6 20:10:28 CDT 2020

In about 1974, for my senior undergraduate project, I wrote microcode
to convince a Varian V70 that it was actually an IBM 1130.

Being substantially more modern hardware, it was much faster than a
real 1130.

If anybody wants microcode and flow diagrams, and listings for the I/O
simulation (which ran in 620/f mode), I'm happy to send them.

Van Snyder
van.snyder at

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