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MOVX @DPTR,A
POP DPL
POP DPH
RET
CHECK_BUSY: A
PUSH DPTR,#LCD_IR
MOV
BUSY: A,@DPTR
MOVX ACC.7,BUSY
JB A
POP
RET TCON,#00010000B
DELAY:
MOV TF0,$1
$1:
JNB R7,#20
RET
DELAY_1S: TH0,#>(2**16-50000)
MOV TL0,#<(2**16-50000)
$1: DELAY
MOV R7,$1
MOV
CALL “Microcontroller”,’$’
DJNZ “MCS-51/52 Family”,’$’
RET
MESSAGE1:
DB
MESSAGE2:
DB
END