> Hi Scott
>
> Making some simulations, I got this testing the Z flag.
>
> incf TENS_ONES,F
> movlw 0x66
> addwf TENS_ONES,F
> skpndc
> andlw 0xF0
> skpnc
> andlw 0x0F
> subwf TENS_ONES,F
> skpnz
> incf HUND,1
>
> Is there some problem to do like this.

Ahh, that's even better! The only assumption being made is that the BCD
number is in a valid format prior to the increment. The carry is only set
if the input is 0x99. Tricky...

Scott
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist