Hi,

The code decfsz del_y,f

The F must be a 0 if you want the result going to the W register and
a 1 if you want the result going back to the register del_y.

I would also use one of the general registers for storage 0Ch up

Hope it helps.

Bye For Now

Eric Naus

At 03:41 PM 6/3/97 PST8, you wrote:
>     I'm having problems with some very simple code.  The MPLAB 3.22
>     simulator seems to stick on 07H in this routine when decrementing
>     the variable del_y.  What am I doing wrong?
>
>
>
>     ;Initial program setup for PIC84
>
>     COUNT      EQU     008H            ;Tim's Counter DEL_Y constant
>     DEL_Y      EQU     00H             ;Tim's DEL_Y Variable
>
>
>     ;some more program stuff...
>
>
>                MOVLW   COUNT           ;Put the COUNT in W (accumulator)
>                MOVWF   DEL_Y           ;Move COUNT to f (DEL_Y)
>     COUNTR     DECFSZ  DEL_Y,F         ;F-1 --> DEL_Y
>                GOTO    COUNTR;         ;*** Simulator gets stuck between
>                                        ;*** here and "COUNTR"
>
>
>
>     TIA,
>
>     Tim Crist
>