一款多用电子时钟设计源程序

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1、一款多用电子时钟设计源程序;本源程序系`一款多用电子钟芯片'源程序,可有3开3关定时,且有受双限触发的定时口 ;该程序硬件系采用PIC16C55芯片LP振荡方式外接32768Hz晶振               ORG     000H      TOP            XORLW   0FFH                     XORLW   0FFH                     XORLW   0FFH                     XORLW   0FFH                     MOVLW  

2、 08H        ;F12H--1DH依次为K1F--G3S               MOVWF   4         QL             CLRF    0                        INCF    4,1                      CLRWDT                 MOVFW   4                        ANDLW   1FH                      SKPZ                   GOTO    QL         

3、              CLRF    4                        BTFSC   6,2                      BSF     0BH,2      ;共阳               GOTO    CSH       HBCD           NOP     DBCD           ANDLW   0FH                      CLRWDT                 NOP                    ADDWF   2,1               

4、       RETLW   01H        ;0(共阳)               RETLW   4FH        ;1               RETLW   12H        ;2               RETLW   06H        ;3               RETLW   4CH        ;4               RETLW   24H        ;5               RETLW   20H        ;6               RETLW   0FH    

5、    ;7               RETLW   00H        ;8               RETLW   04H        ;9               RETLW   47H        ;A(校时)显示J               RETLW   71H        ;B(闹铃)显示L               RETLW   31H        ;C               RETLW   63H        ;D(开)               RETLW   6AH        ;E(关)

6、               RETLW   7EH        ;F(杠)CSH            CLRW                ;初始化               TRIS    5          ;F5,3--5,0共阳显示扫描10时--分               BTFSS   0BH,2                    MOVLW   0FH                      MOVWF   5          ;关扫描               MOVLW   0FH              

7、        TRIS    6                        CLRF    6          ;关闭定时输出               BSF     6,4        ;输出关脉冲               MOVLW   11H        ;置显示指针,F11H--时,F10H--分               MOVWF   4                        MOVLW   05H        ;F1计数64分频               OPTION                 M

8、OVLW   01H                      MOVWF   1