4 ms·
The CADR had a convention for the A and M memory (essentially what we would call registers today) for the Lisp Machine microcode where the first 32 locations ha
by amszmidt 2y ago
The CADR had a convention for the A and M memory (essentially what we would call registers today) for the Lisp Machine microcode where the first 32 locations had special meaning. Location 2 was for constant 0, and 3 for constant -1.