Self modifying code, lambda calculus - Re: ENIAC programming

[Mouse]

> Are there any computers that do let you put microcode into RAM
> now-days.

"Now-days"?  There are some that do that, some of which are still in
operational shape.  Some VAXen, in particular, have something called
"writable control store", which is essentially microcode RAM.

> You have a lot of byte code virtual machines out there.

Such as every x86 processor since, what, the Pentium?  They're all RISC
cores (designed for and) running an x86 emulator.

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