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Linux founder tells Intel to stop inventing 'magic instructions'and 'start fixing real problems'
On 2020-07-18 05:04, Brian Gregory wrote:
On 18/07/2020 07:09, nospam wrote: In article , wrote: We build little computers with parts.Â* Then went to CPU.Â* All assembly code! that doesn't make any sense. Tiny CPUs often have tiny instruction sets that aren't well suited to any high level language. That was not the purpose. It was to teach you how they worked. The first project I did on a PIC16C55 we did in assembler. It was not really too difficult. The whole thing fitted on about 3 pages. We did later get a "C compiler" for those chips but it was pushing it to call the language "C". It was mostly the syntax of C but nothing but static variables. Weird syntax to configure the chip the way you wanted. I can't even remember how you did I/O on it; must have been another weird extension to the syntax. It made it easier but not as much as you might think. We never got much past an 8080. And some Arithmetic Log Unit which I can't remember. |
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