12F683 - how to set it to use external 4 MHz clock?

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  1. - 25th September 2009, 13:47 #1
    mehmetOzdemir's Avatar
    mehmetOzdemir
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    - xt_osc is an illegal opcode


    i think you use mpasm.

    USE PM.

    DONT SELLECT "USE MPASM BOX" AT THE COMPILE AND PROGRAM OPTIONS.
  2. - 25th September 2009, 13:51 #2
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    jimbostlawrence
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    It progressess!

    It's actually picbasic pro compiler 2.50 I'm using. I unticked 'use mpasm' box as you suggested.

    Now it says "Error TEST.ASM 47 : [235] opcode expected instead of _xt_osc"

    ???!
  3. - 25th September 2009, 13:55 #3
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    Remove "_"

    use
    @ device xt_osc
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    Last edited by mehmetOzdemir; - 25th September 2009 at 13:58.
  4. - 25th September 2009, 13:56 #4
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    ARGHHHHHHHHHHHHHH

    ...and I thought that I'd tried every conceivable combination of @ / device / + or - _ !!!

    Many thanks for that.

    Best regards

    Mark
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