Decrements CX by 1 (without modifying the flags) and transfers control to “label” if CX != 0 and the Zero Flag is clear.
The “label” operand must be within -128 or 127 bytes of the instruction following the loop instruction.
Usage:
LOOPNE label ; LOOPNZ label ;
Modifies flags:
none
Jump ? | Clocks | Size | ||||
---|---|---|---|---|---|---|
Operands | 808x | 286 | 386 | 486 | Bytes | |
label: | Y | 19 | 8+m | 11+m | 9 | 2 |
N | 5 | 4 | ? | 6 |