ORG 00H
JMP MAIN

ORG 23H
JMP SERIAL_ISR

MAIN: MOV SCON, #50H ; 50H=01010000B
MOV TMOD, #20H ;
MOV TH1, #0FDH ;

MOV IE, #10010000B

SETB TR1
CLR RI

SERIAL_ISR: JNB RI, SERIAL_ISR
CLR RI
MOV R2, SBUF
CALL INIT_LCD
CALL DATA_DISPLAY