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MICROPROCESSOR INSTRUCTION REFERENCE->CMP

CMP    Compare

Destination - Source

    

Assembler Syntax:	CMP.L <ea>,Dn
	CMP <ea>,Dn (V4 and above)
	CMP.sz <ea>,Dn (V4 and above)

Size:    Long plus for ColdFire 4 Series Byte and Word

Subtracts the source operand from the destination data register and sets the condition codes according  to the result; the data register is not changed.


Condition Codes:

N    Set if result negative, else cleared
Z    Set if result zero, else cleared
V    Set if overflow, else cleared
C    Set if borrow, else clear
X    Not affected

    

	Allowable Addressing Modes

	Dn,Dn
	An,Dn  not byte
	(An),Dn
	(An)+,Dn
	-(An),Dn
	(d16,An),Dn
	(d8,An,Xn),Dn
	(xxx).W,Dn
	(xxx).L,Dn
	#(data),Dn
	(d16,PC),Dn
	(d8,PC,Xn),Dn