iTem1 -- SubToResult.s
有两个数,用大数减去小数,直到结果为0为止;
Code is as follow:
AREA         item1,CODE,READONLY
ENTRY
CODE32
START
MOV R0,#80;                 Set R0=80
MOV R1,#33;                 Set R1=33
LOOP
CMP R0,R1;                  Compare R0,R1
SUBLT R1,R1,R0;            If R1>R0,then R1=R1-R0
SUBGT R0,R0,R1;            If R0>R1,then R0=R0-R1
BNE     LOOP;              If R0=R1,then jump out loop
 
END
                    
                
                
            
        
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