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MICROPROCESSOR INSTRUCTION REFERENCE->NEG
NEG Negate
0 - Destination -> Destination
Assembler Syntax: NEG.L Dn
Size: Long
Subtracts the destination operand from zero and stores the result in the destination location.
Condition Codes:
N Set if result negative, else cleared
Z Set if result zero, else cleared
V Set if overflow, else cleared
C Cleared if result is zero, else set
X Set same as carry bit