CLR A
MOV RCAP2H,A
MOV RCAP2L,A
MOV TL2,A
MOV TH2,A
MOV T2MOD,A
MOV T2CON,A
L4: JB RXD,L4
L6: JNB RXD,L6
L7: SETB TR2
L8: JNB RXD,L10
JNB TF2,L8
L10: JNB RXD,L10
L12: JNB RXD,L14
JNB TF2,L12
L14: JNB RXD,L14
L15: CLR TR2
JB TF2,InitSerial
MOV R7,TL2
MOV R6,TH2
MOV A,R6
CLR C
RRC A
MOV R4,A
MOV A,R7
RRC A
ADD A,R7
MOV R7,A
MOV A,R4
ADDC A,R6
MOV R6,A
MOV A,R7
ADD A,#010H
MOV R7,A
CLR A
ADDC A,R6
MOV R6,A
MOV A,R7
MOV R0,#05H
L22: XCH A,R6
CLR C
RRC A
XCH A,R6
RRC A
DJNZ R0,L22
MOV R7,A
CLR C
CLR A
SUBB A,R7
MOV BRL,A
CLR A
MOV TL2,A
MOV TH2,A
MOV T2MOD,A
MOV T2CON,A
ORL PCON,#080H ; set SMOD1 to double baudrate
MOV BDRCON,#01EH ; set TBCK/RBCK/BRR/SPD
MOV SCON,#01011010B ; Init Serial Interface
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