Andy Holt wrote:
The fun then comes with something like the ICT/ICL
1900 series* where the
24-bit word and the 7-bit opcode were "always" expressed in octal but the
instruction
F X N(M) was physically laid out as
X(3 bits)F(7 bits)M(2 bits)N(12 bits) [branches being slightly different]
which did not appear naturally in the octal expression.
* originally the FP6000 originating in Canada
Know of any information on the web?