16 bit Assembly
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The NEG instruction is used to change a value to its equivelent negative value.
This command has 2 parts, Instruction, then either a Register, or a memory address.Assembly Sample | Description | 16 bit Machine Code |
---|---|---|
MOV AX, 0x0030 | ; Assign a value to AX | B8 30 00 |
NEG AX | ; Negate AX | F7 D8 |
; PrintAX | ; = 55696 |   |
NEG [BX] | ; Negate a memory address | F7 67 00 |