LOOP             Loop on Count                       Flags: not altered

LOOP short-label

          Logic:    CX . CX - 1
                    If (CX <> 0)
                        JMP short-label

    LOOP decrements CX by 1, then transfers control to short-label if CX
    is not 0.  Short-label must be within -128 to +127 bytes of the next
    instruction.

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   Operands                  Clocks   Transfers  Bytes   Example
   short-label                17/5        -        2     LOOP AGAIN
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