True, movff is a ram (or memory mapped I/O) to ram move, but the arguments
are the addresses of what to move, not a literal. I don't think there's a
movlf instruction that would move a literal into ram. I think you have to
go through w...

Harold


>
> Harold,
>
>
> Your suggestion surely should work, but the movff instruction is a
> register to register insruction,
> So it should move the contents of 'farf' into 'test' without going
> through 'w'.  At least in theory.
>
>                                                                Regards,
>
>                                                                 Jim
>
>
> -----Original Message-----
> From: piclist-bounces@MIT.EDU [mailto:piclist-bounces@MIT.EDU] On Behalf
> Of Harold Hallikainen
> Sent: Friday, December 15, 2006 2:17 PM
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC] MPLAB sim mode...#defines dont work?
>
>
>> Since I dont have my target hardware here, I write and test the code
>> in the simulation mode.  I thought, having a #define would work to set
>
>> a value for a variable but it doesn't seem to be working.  For example
>>
>>   #define   farf  d'5'
>>
>>   when I go do a
>>
>>   movff  farf,test
>>
>>   test just gets 0x00
>>
>>   So i did
>>
>>   movf  farf,w
>>
>>   and WREG gets zero (least its consistant)
>>
>>   I'll try it again when I have hardware to watch in the debugger, but
>
>> curious is it because there really isnt hardware, the #define doesn't
>> store?  Figured it would just stick it in ram someplace
>
>
> It looks like you're putting the contents of location 5 into test and
> into w. If you want to put a 5 in test or w, do something like this:
>
> movlw farf
> movwf test
>
> Harold
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