Try this initialization routine:

SINIT: MOV SCON,#01010010B
MOV TMOD,#00100000B
MOV PCON,#10000000B
MOV TH1,0FAH ;for 9600 b/s
SETB TR1
CLR RI
CLR TI
RET


and for read data:

READ: JNB RI,$
CLR RI
MOV A,SBUF
RET

Petr