74hc165.asm

74HC165汇编例程

CLK165	BIT	P0.1
SH165	BIT	P0.2
QH165	BIT	P0.0   
NUM165	EQU	20H   
START165:  
	MOV	NUM165,#8
        SETB    SH165
        CLR     SH165
        SETB    SH165
LOOP165:  
	CLR     CLK165
        MOV	C,QH165
        RLC	A
        SETB    CLK165
        DJNZ	NUM165,LOOP165
        ;*************
        MOV     C,ACC.0
        MOV	P2.7,C
        MOV     C,ACC.1
        MOV	P2.5,C
        MOV     C,ACC.2
        MOV	P2.3,C
        MOV     C,ACC.3
        MOV	P2.0,C
        MOV     C,ACC.4
        MOV	P2.1,C
        MOV     C,ACC.5
        MOV	P2.2,C
        MOV     C,ACC.6
        MOV	P2.4,C
        MOV     C,ACC.7
        MOV	P2.6,C
        LJMP	START165
        END