GOTO absolut address - is that possible?

Closed Thread
Results 1 to 14 of 14

Hybrid View

  1. - 8th November 2008, 02:46 #1
    Darrel Taylor's Avatar
    Darrel Taylor
    Darrel Taylor is offline Fanatical Contributor
    Join Date
    Jul 2003
    Location
    Colorado Springs
    Posts
    4,959

    Did you find this post helpful? Yes | No

    Default

    Code:
    @ GOTO 0x0F4C
    DT
  2. - 8th November 2008, 11:20 #2
    Ioannis's Avatar
    Ioannis
    Ioannis is offline SuperMod
    Join Date
    Nov 2003
    Location
    Greece
    Posts
    4,175

    Did you find this post helpful? Yes | No

    Default

    Isn't necessary to change pages? As this is in assembly, PBP does not take care of this, I suppose.

    Ioannis
    www.signalcom.gr
  3. - 8th November 2008, 11:53 #3
    Darrel Taylor's Avatar
    Darrel Taylor
    Darrel Taylor is offline Fanatical Contributor
    Join Date
    Jul 2003
    Location
    Colorado Springs
    Posts
    4,959

    Did you find this post helpful? Yes | No

    Default

    From another thread I saw he's using an 18F4550 with a USB bootloader.

    So nope. No Pages to worry about.
    <br>
    DT
  4. - 8th November 2008, 15:41 #4
    Acetronics2's Avatar
    Acetronics2
    Acetronics2 is offline Fanatical Contributor
    Join Date
    May 2004
    Location
    NW France
    Posts
    3,653

    Did you find this post helpful? Yes | No

    Question

    Hi, Darrel

    While on that subject ...

    I use, on a 16F88 :

    Code:
    ' If program lost

@ ORG 4094			' Pointer to the end of program
@ CLRF PCLATH			' pointer in the right page ( lol )
@ GOTO INIT 			' It's gone for another round...
'
@ END
    Works and compiles fine ... BUT

    No way to use Breakpoints in MPSIM when lines not commented ...

    Do you have any idea about that ??? ( µChip tells ... go and see Melabs !!! - as always ... )

    Alain
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  5. - 9th November 2008, 22:07 #5
    Archangel's Avatar
    Archangel
    Archangel is offline SuperMod
    Join Date
    Aug 2006
    Location
    Look, behind you.
    Posts
    2,818

    Did you find this post helpful? Yes | No

    Default

    Quote Originally Posted by Acetronics View Post
    Hi, Darrel

    While on that subject ...

    I use, on a 16F88 :

    Code:
    ' If program lost

@ ORG 4094			' Pointer to the end of program
@ CLRF PCLATH			' pointer in the right page ( lol )
@ GOTO INIT 			' It's gone for another round...
'
@ END
    Works and compiles fine ... BUT

    No way to use Breakpoints in MPSIM when lines not commented ...

    Do you have any idea about that ??? ( µChip tells ... go and see Melabs !!! - as always ... )

    Alain
    Hi Alain, Just curious . . . ASM comment is ; not ' yes?
    If you do not believe in MAGIC, Consider how currency has value simply by printing it, and is then traded for real assets.
    .
    Gold is the money of kings, silver is the money of gentlemen, barter is the money of peasants - but debt is the money of slaves
    .
    There simply is no "Happy Spam" If you do it you will disappear from this forum.
  6. - 9th November 2008, 22:35 #6
    Darrel Taylor's Avatar
    Darrel Taylor
    Darrel Taylor is offline Fanatical Contributor
    Join Date
    Jul 2003
    Location
    Colorado Springs
    Posts
    4,959

    Did you find this post helpful? Yes | No

    Thumbs up

    Quote Originally Posted by Joe S. View Post
    Hi Alain, Just curious . . . ASM comment is ; not ' yes?
    Way to go Joe!
    I didn't even see that.

    Can't imagine how it compiled.
    <br>
    DT
  7. - 9th November 2008, 22:46 #7
    Archangel's Avatar
    Archangel
    Archangel is offline SuperMod
    Join Date
    Aug 2006
    Location
    Look, behind you.
    Posts
    2,818

    Did you find this post helpful? Yes | No

    Default

    Thanks Darrel 30 years of snivel service teaches you to pick fly specks out of the pepper ELSE Nazi bosses frag your reputation.
    If you do not believe in MAGIC, Consider how currency has value simply by printing it, and is then traded for real assets.
    .
    Gold is the money of kings, silver is the money of gentlemen, barter is the money of peasants - but debt is the money of slaves
    .
    There simply is no "Happy Spam" If you do it you will disappear from this forum.
  8. - 10th November 2008, 09:06 #8
    Acetronics2's Avatar
    Acetronics2
    Acetronics2 is offline Fanatical Contributor
    Join Date
    May 2004
    Location
    NW France
    Posts
    3,653

    Did you find this post helpful? Yes | No

    Wink

    Quote Originally Posted by Joe S. View Post
    Hi Alain, Just curious . . . ASM comment is ; not ' yes?
    Hi, joe

    YES ... looks right, but compiles and runs fine.

    After all, It's a PBP program ... intelligent compiler ? lol : might be.

    In fact, MPLAB accept both " ; " and " ' " ... as MPLAB Editor is set to "Basic" mode. Why not use what computers offer for ease of work ( Humour ...)

    Changing " ' " to " ; " do not change anything ...

    You're quite right : Manual says " line is sent verbatim" ... but, obviously, comments are not sent !!!


    Alain
    Last edited by Acetronics2; - 10th November 2008 at 09:14.
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  9. - 10th November 2008, 10:18 #9
    Archangel's Avatar
    Archangel
    Archangel is offline SuperMod
    Join Date
    Aug 2006
    Location
    Look, behind you.
    Posts
    2,818

    Did you find this post helpful? Yes | No

    Default

    Quote Originally Posted by Acetronics View Post
    Hi, joe

    YES ... looks right, but compiles and runs fine.

    After all, It's a PBP program ... intelligent compiler ? lol : might be.

    In fact, MPLAB accept both " ; " and " ' " ... as MPLAB Editor is set to "Basic" mode. Why not use what computers offer for ease of work ( Humour ...)

    Changing " ' " to " ; " do not change anything ...

    You're quite right : Manual says " line is sent verbatim" ... but, obviously, comments are not sent !!!


    Alain
    Ask questions and learn, Right? <br>PBP & Assembler, like mixing 10 oz alcohol and 10 oz water, you do not get 20 oz of liquid.
    I read books AND this forum, sometimes experience and books do not agree. Anyway I try to help and am not embarrassed to learn from the masters.
    If you do not believe in MAGIC, Consider how currency has value simply by printing it, and is then traded for real assets.
    .
    Gold is the money of kings, silver is the money of gentlemen, barter is the money of peasants - but debt is the money of slaves
    .
    There simply is no "Happy Spam" If you do it you will disappear from this forum.
  10. - 8th November 2008, 20:41 #10
    keymuu's Avatar
    keymuu
    keymuu is offline Member
    Join Date
    Sep 2008
    Posts
    123

    Did you find this post helpful? Yes | No

    Default

    Quote Originally Posted by Darrel Taylor View Post
    Code:
    @ GOTO 0x0F4C
    Thank you Darrel!

    As not being so familiar with the assembler I did not see/realize that there is also GOTO and not just BRA. Now I know that BRA is for short jumps only and GOTO can jump anywhere.

    Can you find a "good" 4550 tutorial (not datasheet) somewhere on the web?

    Tanks again...
  11. - 9th November 2008, 13:03 #11
    Darrel Taylor's Avatar
    Darrel Taylor
    Darrel Taylor is offline Fanatical Contributor
    Join Date
    Jul 2003
    Location
    Colorado Springs
    Posts
    4,959

    Did you find this post helpful? Yes | No

    Default

    Don't know of any 4550 tutorials.

    The PIC18C Reference Manual has a little more info regarding the instruction set. But not enough more to be of much help.
    http://ww1.microchip.com/downloads/e...Doc/39500a.pdf

    Really, the datasheet has the best info available.
    Once you get used to reading them, it gets easier.

    Alain,

    I haven't used mpsim for awhile, and there's been a few MPLAB upgrades in the mean time. I was going to try your problem, but now PBP isn't even an option in my MPLAB anymore.

    I'll have to reinstall the dll again. Been too long, I forget how.
    <br>
    DT
« Previous Thread | Next Thread »

Similar Threads

  1. Making a menu
    By chrisshortys in forum mel PIC BASIC Pro
    Replies: 36
    Last Post: - 12th November 2008, 20:54
  2. PIC newbie - took ages to program and i still have bugs
    By Trickae in forum mel PIC BASIC
    Replies: 14
    Last Post: - 26th September 2007, 06:41
  3. Problems with RC2 and RC3
    By Christopher4187 in forum General
    Replies: 11
    Last Post: - 29th May 2006, 18:19
  4. RF Transmitter
    By et_Fong in forum mel PIC BASIC Pro
    Replies: 4
    Last Post: - 27th October 2005, 17:34
  5. Output PIC module
    By freelancebee in forum mel PIC BASIC Pro
    Replies: 5
    Last Post: - 12th September 2005, 21:10

Members who have read this thread : 0

You do not have permission to view the list of names.

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts

Forum Rules