At 04:34 PM 1/2/97 PST, you wrote:
>Quite plain and simple, my question is what are the commands SKPNC and SKPZ?
>I see they are used in this macro but what do they do?  I don't see them on
>any of my data sheets!
>
>
>
>>>sub_word_literal: macro aaa, lll
>>>
>>>   movlw   low (~(lll) + 1)
>>>   addwf   aaa+1, f
>>>   movlw   high ((~(lll) + 1) & h'ffff')
>>>   skpnc
>>>   addlw   1
>>>   skpnc
>>>   skpz
>>>   addwf   aaa, f
>>>   endm
Hi Brian,
        You can check the MPASM for windows online help to get the answer.

SKPNC = btfsc status,c  ;Skip on No Carry
SKPZ  = btfss status,z  ;Skip on Zero


Jerry Meng, BA1FB

mailto:ba1fb@amsat.org
http://www.srsnet.com/~ba1fb