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  1. Nerdie1234

    Is there any difference..

    between doing: ldaa #$02 staa TMSK2,X and bclr TMSK2,X $01 bset TMSK2,X $02 (IX = $1000, TMSK2 = $24) ? Thanks!
  2. Nerdie1234

    Swapping bits

    Thanks! I understand it :D
  3. Nerdie1234

    Swapping bits

    Hi Tessa, Can you please explain what rol b actually does? I ran what you've got on a simulator and the first 3 rol b does nothing but all of a sudden on the fourth rol b, b becomes 01. My menu just says rol b is rotate left, without any further explanation :( Thanks for you help!
  4. Nerdie1234

    Swapping bits

    In accumulator A say I have the hex value 12. I want swap these two numbers, ie getting 21 in A. I can't find a solution for this. Can anyone help? Thanks! p.s. I'm programming in assembly for the Motorola 68HC11 board.
  5. Nerdie1234

    assembly help

    Thanks! I just figured that out myself too :D
  6. Nerdie1234

    assembly help

    Hi I'm learning to program in assembly using the Motarolla 68HC11 chip. Whats the difference betweeen these two lines? ldx #label5 and ldx label5 where label5: fcb $34,$f2 Doesn't the address of label5 just get stored into X after both lines? Thanks!

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