Motorolla 68HC11

Discussion in 'Assembly Language Programming (ALP) Forum' started by infinitig35, Dec 12, 2008.

  1. infinitig35

    infinitig35 New Member

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    Good morning all. I have an end of semester homework problem that I'm stuck with no answer. Can someone help me out. Here's the question:

    Assume there is no 68HC11 instruction available to swap the contents of AccA and AccB registers. Suggest a way of using the 68HC11 instructions and the stack to perform a swap of the contents of AccA and AccB.
    thanks everyone
     
    infinitig35, Dec 12, 2008
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  2. xpi0t0s

    xpi0t0s Mentor

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    Do you know what the two basic stack operations are and what they do?
     
    xpi0t0s, Dec 12, 2008
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