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POP DPH
RET
CHECK_BUSY: A
PUSH DPTR,#LCD_IR
MOV A,@DPTR
$1: ACC.7,$1
MOVX A
JB
POP TCON,#00010000B
RET TF0,$1
DELAY:
MOV “Microcontroller”,’$’
$1: “MCS-51/52 Family”,’$’
JNB
RET
MESSAGE1:
DB
MESSAGE2:
DB
END

 學習心得：