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The Little Man Computer Instruction Cycle
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-Ian! D. Allen - idallen@idallen.ca - www.idallen.com

1. FETCH:
    Go to the counter.
    Read the 2-digit number on the counter.
    Go to the corresponding mailbox.
    Fetch from the mailbox a copy of the 3-digit number inside.
    Remember the 3-digit number.

2. INCREMENT:
    Go to the counter.
    Click it once.  (Add one to the counter.)

3. EXECUTE:
    Go to the Wall Chart of Instructions.
    Look up the 3-digit number from the FETCH step.
    Do whatever the Wall Chart says to do.


Repeat these three steps forever, or until encountering a HALT instruction
that puts the Little Man to sleep.