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Comment Re:What the hell is a.... (Score 1) 23

These computers typically have a "subtract and conditionally branch" as their single instruction. SUBLEQ a, b, c, subtracts the contents of a from the contents of b, stores it at b, and jumps to c if the result is less than or equal to zero.

An unconditional branch has the next instruction as the destination. A move is a series of subtractions, involving a location that contains 0. Jump tables are a series of subtractions and conditional branches.

Comment Re:Fun times. (Score 1) 65

My friend Sphinx wrote a compiler he called C--, around that time. A subset of C, it didn't have any of the "fancy" C stuff, but it would output machine language the way you would translate C into assembly. info

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