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by rst 391 days ago
In all those respects, the VAX was just following on to the IBM 360/67 and its S/370 successors -- they all had a register file of 32-bit general purpose registers which could be used to index byte-addressed virtual memory. It wasn't exactly an IBM knockoff -- there were a bunch of those, too (e.g., Amdahl's) -- but the influence is extremely clear.