Decrements CX by 1 (without modifying the flags) and transfers control to “label” if CX != 0 and the Zero Flag is set.
The “label” operand must be within -128 or 127 bytes of the instruction following the loop instruction.
Usage:
LOOPE label ; LOOPZ label ;
Modifies flags:
none
| Jump ? | Clocks | Size | ||||
|---|---|---|---|---|---|---|
| Operands | 808x | 286 | 386 | 486 | Bytes | |
| label: | Y | 18 | 8+m | 11+m | 6 | 2 |
| N | 5 | 4 | ? | 2 | ||