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51单片机实现比较三个数的大小，并将数由小到大分别存入40H、41H、42H单元中ORG 0000HAJMP MAINORG 0100HMAIN:MOV 30H,#98HMOV 31H,#88HMOV 32H,#78HMOV A,30HCJNE A,31H,COMP1COMP1: JC B1CJNE A,32H,COMP2COMP2:JC A1MOV 42H,30HMOV A,31HCJNE A,32H,A2A2:JC A3MOV 41H,31HMOV 40H,32HSJMP $A3:MOV 41H,32HMOV 40H,31HSJMP $A1:MOV 42H,32HMOV 41H,30H MOV 40H,31HSJMP $B1:MOV A,31HCJNE A,32H,COMP3COMP3:JC B3MOV 42H,31HMOV A,30HCJNE A,32H,COMP4COMP4:JC B3MOV 41H,30HMOV 40H,32HSJMP $B3:MOV 42H,32HMOV 41H,31HMOV 40H,30HSJMP $;B2:MOV 42H,32H;MOV 41H,31H;MOV 40H,30H;SJMP $END
