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Where should the type information be 127


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Where should the type information be 129
Herein lies a big gap of something missing. The something missing is my lack of knowledge about how wires are wired. This multiply is an abstract to me because no print pops...

one.

I'm now dropping it down to 98% after reading your explanation. :-))

Although the PDP-10 had registers, the PUSHing and POPing instructions dealt with stacks. It is how we preverved info across call boundaries.

the level

The way we got to the stacks were through registers.

You are good enough for me to understand a bit :-).

B, to

You're talking about how my HP-35 does its arithmetic...isn't that called reverse polish or something? This is a similar technique we used when programming the PDP-10, except we could add contents of memory to contents of memory without using a register.

That's how we did code.

will

Sure. The way PDP-10ish way I was thinking was that there was a limit to the length of a stack. If your array is a million elements, you potentially need a stack that is also an addition million plus a fudge factor depeneding on the matrix operation you are going to do. An inverse can do exchange; but you are going to do a transformation, then the inverse, things can get a tad dicey...couldn't they?

hardware based required set". See above. I sure am glad that hardware is a "guy thing"; this is hard stuff. :-))

Where should the type information be 128
snip But a true stack machine doesn't have registers (as Peter points out - at least from a programmer's point of view...

BAH

Subtract a hundred and four for e-mail.



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Where should the type information be 128

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Where should the type information be 126