NEG
NEG - Two's Complement Negation
Subtracts the destination from 0 and saves the 2s complement of “dest” back into “dest”.
Usage:
NEG dest
Modifies flags:
AF CF OF PF SF ZF
Clocks | Size | |||||
---|---|---|---|---|---|---|
Operands | 808x | 286 | 386 | 486 | Bytes | |
reg | 3 | 2 | 2 | 1 | 2 | |
mem | 16+EA | 7 | 6 | 3 | 2-4 | (W88=24+EA) |