Department of Computer Scien

ce and Information Engineering

National Cheng Kung University, TAIWAN

HANEL

LOOP AND JUMP INSTRUCTIONSConditional Jumps

MOV A,R0 ;A=R0JZ OVER ;jump if A = 0MOV A,R1 ;A=R1 JZ OVER ;jump if A = 0...

‰Jump only if a certain condition is metJZ label ;jump if A=0OVER: Determine if R5 contains the value 0. If so, put 55H in it.

MOV A,R5 ;copy R5 to AJNZ NEXT ;jump if A is not zeroMOV R5,#55H

NEXT: ...

Can be used only for register A, not any other register