> Hmmph.  The processor I grew up on had immediate, direct, and INDEXED,
> [and infinite-level INDIRECT AFTER that]

>> Data General Nova or Eclipse or MV series?

DEC PDP-10 (DecSystem-10, DECSystem-20), actually.  IIRC the Datagenerals
were pretty blatant and unashamed about stealing assorted pieces of DEC
architecture...

(You can now run tops10 or tops20, via a simulator, on a modern PC, faster
than it ever ran on DEC hardware.  Scary.)

BillW

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