i have a trouble with cd4094B bus register, i have a routine for this chip, but why doesn´t work with the qs and qs´ serial,P1.0 is a STROBE,P1.1 IS A DATA and p1.2 is the clock something is wrong? on AT89c52

SETB P1.0
MOV A,R7 ;
MOV R1,#08;
CLR P1.2 ;

loop: ;
RLC A
MOV P1.1,C;
CLR P1.2 ;
SETB P1.2 ;
DJNZ R1,loop;
CLR P1.2 ;
SETB P1.2 ;
CLR P1.0 ;
RET;
NOte: excuse me for my english