Copies data from addressed by DS:SI (even if operands are given) to the location ES:DI destination and updates SI and DI based on the size of the operand or instruction used. SI and DI are incremented when the Direction Flag is cleared and decremented when the Direction Flag is Set. Use with REP prefixes.
Usage:
MOVS dest,Src MOVSB MOVSW MOVSD ; (386+ only)
Modifies flags:
None
| Clocks | Size | |||||
|---|---|---|---|---|---|---|
| Operands | 808x | 286 | 386 | 486 | Bytes | |
| dest,src | 18 | 5 | 7 | 7 | 1 | (W88=26) |