dianqikongzhi.asm

该程序用于单片机的控制类

org      50h 
           ajmp     main

main:      mov      p3,     #0ffh;

RKA:       JB       P3.7,   RKA;  

           ACALL    YSMS;         

           JNB      P3.7,   CKA;  

           LJMP     RKA;          

           NOP

           NOP

           LJMP     RKA;

RKB:       JNB      P3.7,   RK0;  

           ACALL    YSMS;         

           JB       P3.7,   CKB;  

RK0:       JB       P3.0,   RK1;

           ACALL    YSMS;

           JNB      P3.0,   CK0 ;

RK1:       JB       P3.1,   RK2;

           ACALL    YSMS;

           JNB      P3.1，  CK1 ;

RK2:       JB       P3.2,   RK3;

           ACALL    YSMS;

           JNB      P3.2,   CK2 ;

RK3:       JB       P3.3,   RK4;

           ACALL    YSMS;

           JNB      P3.3,   CK3 ;

RK4:       JB       P3.4,   RK5;

           ACALL    YSMS;

           JNB      P3.4,   CK4 ;

RK5:       JB       P3.5,   RKB;

           ACALL    YSMS;

           JNB      P3.5,   CK5 ;

           LJMP     RKB;         

           NOP

           NOP

           LJMP     RKB;

;---------------------------------

CKA:       CLR      P1.0;

           CLR      P1.1;

           LJMP     RKB;

           NOP

           NOP

           LJMP     RKB;

CKB:       ACALL    YS15S;

           MOV      P1,     #0ffh;     

           LJMP     RKA;

           NOP

           NOP

           LJMP     RKA;

CK0:       CPL      P1.0;

           LJMP     RK1;

           NOP

           NOP

           LJMP     RK1;

CK1:       CPL      P1.1;

           LJMP     RK2;

           NOP

           NOP

           LJMP     RK2;

CK2:       CPL      P1.2;

           LJMP     RK3;

           NOP

           NOP

           LJMP     RK3;

CK3:       CPL      P1.3;

           LJMP     RK4;

           NOP

           NOP

           LJMP     RK4;

CK4:       CPL      P1.4;

           LJMP     RK5;

           NOP

           NOP

           LJMP     RK5;

CK5:       CPL      P1.5;

           LJMP     RKB;

           NOP

           NOP

           LJMP     RKB;

;------------------------------------  

YS15S:     MOV      R7,    #0FAH;

YS1:       MOV      R6,    #0FAH;

YS2:       MOV      R5,    #20H;    15S

YS3:       DJNZ     R5,    YS3;

           DJNZ     R6,    YS2;

           DJNZ     R7,    YS1;

           RET;                        

;------------------------------------- 

YSms:      MOV      R4,    #0FFH;

YS4:       MOV      R3,    #3FH;

YS5:       DJNZ     R3,    YS5;

           DJNZ     R4,    YS4;

           RET;

;------------------------------------- 

           END;