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CMPDAT:
MOV A,30H
JB ACC.7,CMPF1
MOV B,A
MOV A,40H
JB ACC.7,CMPZ2 ;30Hæ£ï¼40Hè´æ以30H>40H
CJNE A,B,CMPZ1 ;å为æ£ï¼æ¯è¾å¤§å°
MOV R2,#0
RET
CMPZ1:
JC,CMPZ2
CMPZ11:
MOV R2,#128
RET
CMPZ2:
MOV R2,#1
RET
CMPF1:
ANL A,#7FH
MOV B,A
MOV A,40H
JNB ACC.7,CMPF3 ;30Hè´ï¼40Hè´
SJMP CMPZ11 ;30è´ï¼40Hæ£ï¼æ以30H<40H
CMPF3:
ANL A,#7FH
CJNE A,B,CMPF10 ;两个å为è´æ°
MOV R2,#0
RET
CMPF10:
JC CMPZ2 ;30H<40H(è´æ°å°è
大)
SJMP CMPZ11 ;30H>40H