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P. 165
MOV R3,B
R1,#0FFH
MOV
DISPLAY
SHOW： R1,SHOW
A
CALL
A,#86H
DJNZ Write_IR
A,R2
CLR B,#100
AB
RETI A,#30H
DISPLAY： Write_DR
A,B
MOV B,#10
AB
CALL A,#30H
Write_DR
MOV A,B
A,#30H
MOV Write_DR
A,#2EH
DIV Write_DR
A,R3
ORL A,#30H
Write_DR
CALL A,#DFH
Write_DR
MOV A,#43H
Write_DR
MOV
Reset_LCD
DIV A,#38H
Write_IR
ORL A,#0CH
Write_IR
CALL
MOV
ORL
CALL
MOV
CALL
MOV
ORL
CALL
MOV
CALL
MOV
CALL
RET
INIT_LCD：
CALL
MOV
CALL
MOV
CALL
