On 2020-05-01 03:59 PM, Anthony de Boer via talk wrote:
Lennart Sorensen via talk wrote:
I wonder if the developers had competitions on who could write the
shortest working loader program.
No fair modifying hardware to create the new instructions you needed.
That was a thing, back when it was still possible to get tools between
parts of your CPU.
Both the Data General Eclipse and DEC VAX 11/780 supported microcode,
where you could write your own instructions. I occasionally had to
track down microcode bugs on the Eclipse.
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