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

 

posted @ 2013-11-09 20:27  Jan5  阅读(198)  评论(0编辑  收藏  举报