Post by thread:[PIC]: Moving from f to w register

I am new at this PIC stuff I can move data from w to f register but how do I move f back to w register -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics

part 0 44 bytes his is a multi-part message in MIME format. part 1 551 bytes content-type:text/plain; charset=koi8-r (decoded 7bit) movf f,d if destination (d=0) then destination is W register if d=1 then destination is f itself example: MOVFB FSR,0 After execution: W = value of FSR register Best regards! "WEBB,TIM (A-Sonoma,ex1)" wrote: > I am new at this PIC stuff > > I can move data from w to f register > > but how do I move f back to w register > > -- > http://www.piclist.com hint: The list server can filter out subtopics > (like ads or off topics) for you. See http://www.piclist.com/#topics part 2 201 bytes content-type:text/x-vcard; charset=koi8-r; (decoded 7bit) begin:vcard n:Pavlica;Milan x-mozilla-html:FALSE org:SuperSonic Systems adr:;;;;;; version:2.1 email;internet:spam_OUTmpavlicaTakeThisOuTptt.yu title:Chief fn:Milan Pavlica end:vcard part 3 144 bytes -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics

For example if the f register is STATUS, use this: movff STATUS, WREG Regards, Carlos -----Original Message----- From: WEBB,TIM (A-Sonoma,ex1) <.....tim_webbKILLspam@spam@AGILENT.COM> To: PICLISTKILLspamMITVMA.MIT.EDU <.....PICLISTKILLspam.....MITVMA.MIT.EDU> Date: miércoles 19 de diciembre de 2001 18:08 Subject: [PIC]: Moving from f to w register {Quote hidden}>I am new at this PIC stuff > >I can move data from w to f register > >but how do I move f back to w register > >-- >http://www.piclist.com hint: The list server can filter out subtopics >(like ads or off topics) for you. See http://www.piclist.com/#topics > > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics

On Wed, Dec 19, 2001 at 10:06:17AM -0700, WEBB,TIM (A-Sonoma,ex1) wrote: > I am new at this PIC stuff > > I can move data from w to f register > > but how do I move f back to w register movf F,W BAJ -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics

Use: MOVF somereg,W Notice that this can also be: MOVF somereg,F Which puts somereg back in somereg. Why would you do that? To set the condition flags. So, one way to test if loopct is 0 would be: MOVF loopct,F BTFSC status,Z ; skip if not zero GOTO itwaszero Al Williams AWC * Floating point A/D http://www.al-williams.com/awce/pak9.htm > {Original Message removed}

>I can move data from w to f register > >but how do I move f back to w register You should read through the documentation for MPLAB or MPASM. They detail the instruction set for PIC assembly. Also, the datasheets for most of the PICs available have instruction set summaries at the end. But for now, you can use "MOVF Register_To_Move, W" or if you're using MPASM, you can also use the mnemonic "MOVFW Register_To_Move". --Andrew _________________________________________________________________ Chat with friends online, try MSN Messenger: http://messenger.msn.com -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics

WEBB,TIM (A-Sonoma,ex1) wrote: > > I am new at this PIC stuff > > I can move data from w to f register > > but how do I move f back to w register Read the instructions. :o) The datasheet for each PIC usually has a very good list of all the PIC asm instructions. You will need to be familiar with most of these before your PIC will do much. movwf register movf register,w -Roman -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics

There's also movfw SomeReg which the assembler turns into movf SomeReg,0 Harold FCC Rules Online at http://hallikainen.com/FccRules Lighting control for theatre and television at http://www.dovesystems.com ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: dl.http://www.juno.com/get/web/. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics

Hi, If you using some Parallax-style assembler (e. g. CVASM) mov W,someregister This dialect uses the right-to-left direction consistently which may be more appropriate for such old suys like me <G>. Imre On Wed, 19 Dec 2001, Byron A Jeff wrote: {Quote hidden}> On Wed, Dec 19, 2001 at 10:06:17AM -0700, WEBB,TIM (A-Sonoma,ex1) wrote: > > I am new at this PIC stuff > > > > I can move data from w to f register > > > > but how do I move f back to w register > > movf F,W > > BAJ > > -- > http://www.piclist.com hint: The list server can filter out subtopics > (like ads or off topics) for you. See http://www.piclist.com/#topics > > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.