Self modifying code, lambda calculus - Re: ENIAC programming

Eric Smith spacewar at
Fri Sep 18 11:21:23 CDT 2015

On Fri, Sep 18, 2015 at 7:45 AM, tony duell <ard at> wrote:
> The 11/780 has a PDP11 to load the microcode (I think) but the 11/730 makes do with an
> 8085. After booting I think that handles the console port still.

Most of the 11/780 microcode is in bipolar PROM. There's a small patch
area which is loaded by the PDP-11.

The 11/785 microcode is entirely in RAM, so it all gets loaded by the PDP-11.

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