Reproduction micros

[Cameron Kaiser]

> An occasionally forgotten feature is that ALU operations also have a S-bit to
> indicate whether they should update the flags based on the result, or leave
> them alone.

Power ISA also has this feature (the so-called "dot" instructions). It also
has special forms of instructions for setting the overflow and carry flags,
when appropriate.

-- 
------------------------------------ personal: http://www.cameronkaiser.com/ --
  Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com
-- "Garbage in -- gospel out" -------------------------------------------------