20 Nov
2016
20 Nov
'16
11:30 p.m.
On Fri, Nov 18, 2016 at 6:15 PM, Jon Elson <elson at pico-systems.com> wrote:
OH, yeah! Besides the limited instruction set, short
registers only half
populated, etc., did you know that the 360/20 did not have an adder?
This made me curious about how primitive it was, but the FE docs on
bitsavers show a 16bit ALU that can do ADD, AND, OR and XOR and maybe
some logic to help with BCD math.