Sean,

I do not use asm any more but my first noticeable
thing is that you are not putting rotated value back to TEMP_VAR register
try

RRF            TEMP_VAR,F

Andre Abelian



Sean Schouten wrote:

>Hi guys,
>
>What seems to be no more than perhaps a simple logical operation seems to
>defy my logic.
>
>Using the following code in a small loop, I don't seem to be getting the
>desired-output when monitoring the W-Register:
>
>[code]
>
>START
>
>        MOVLW       0xFF
>        MOVWF      TEMP_VAR
>
>
>MAIN
>
>        NOP
>        MOVF         TEMP_VAR, W
>        RRF            TEMP_VAR
>
>        GOTO         MAIN
>
>[/code]
>
>
>What I want to happen is this:
>
>11111111
>01111111
>10111111
>11011111
>11101111
>11110111
>
>etc....
>
>
>What happens is more like:
>
>11111111
>01111111
>10000000
>11000000
>11000001
>11100001
>11100010
>
>
>Does anybody have any idea what could be going wrong, because I am really
>lost.
>
>Thanks,
>
>Sean.
>  
>

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