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by GoblinSlayer 62 days ago
Harvard Mark I? Not sure why people think programming started with Z80.
2 comments
bonzini 62 days ago
The article is about x86, and x86 assembly is mostly a superset of 8080 (which is why machine language numbers registers as AX/CX/DX/BX, matching roughly the function of A/BC/DE/HL on the 8080—in particular with respect to BX and HL being last).
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GoblinSlayer 61 days ago
So you say x86 wasn't made ex nihilo, but evolved from previous designs? When this evolution began? 8080 followed 8008, code for which was written in macro-11 https://en.wikipedia.org/wiki/PDP-11_architecture#Example_co...
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flohofwoe 62 days ago
My WW2-era assembly is a bit rusty, but I don't think the Harvard Mark 1 had bitwise logical operations?
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