WF <PICLIST@MITVMA.MIT.EDU> wrote:

> How really the computer computes a SUB operation? (Using TWO'S
> COMPLEMENT???)

    Yes, mIGUEL, that's how the PIC does it; if you look at the
    table of instructions in the PIC datasheets, you'll see that
    SUBWF is computed by taking the two's complement of W, then
    adding it to F.

    -Andy


=== Andrew Warren - fastfwd@ix.netcom.com
=== Fast Forward Engineering - San Diego, California
=== http://www.geocities.com/SiliconValley/2499