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將預(yù)設(shè)的字由點陣作由左至右跑馬燈式（左移）顯示

;port 3.0~3.6 connect to column;port 1.0~1.4 connect to row;delay=0.2s;==========;=  Main  =;==========        .ORG    0000HSTART:  MOV     DPTR, #DATA        MOV     R3, #OK-DATA-4LOOP:   MOV     R2, #20SCAN:   ACALL   SCAN1        DJNZ    R2, SCAN        INC     DPTR        DJNZ    R3, LOOP        MOV     DPTR, #LOGONEXT:   ACALL   SCAN1        AJMP    NEXT;==========;=  SCAN  =        ;==========SCAN1:  MOV     R1, #00H        MOV     R5, #11111110B        MOV     R4, #05LOOP1:  MOV     A, R1        MOVC    A, @A+DPTR        MOV     P3, A        MOV     P1, R5        MOV     R6, #5DL1:    MOV     R7, #200DL2:    DJNZ    R7, DL2        DJNZ    R6, DL1        ORL     P1, #11111111B        MOV     A, R5        RL      A        MOV     R5, A        INC     R1        DJNZ    R4, LOOP1        RET;==========;=  DATA  =;==========;       <% 0=OFF ; 1=ON %>DATA:        .DB     00H        .DB     00H        .DB     00H        .DB     00H        .DB     00H        .DB     01000010B       ;2        .DB     01100001B        .DB     01010001B        .DB     01001001B        .DB     01000110B        .DB     00H        .DB     00H        .DB     00H        .DB     00H        .DB     00H        .DB     00111100B       ;6        .DB     01001010B        .DB     01001001B        .DB     01001001B        .DB     00110000B        .DB     00H        .DB     00H        .DB     00H        .DB     00HOK:     .DB     00H        LOGO:   .DB     00100110B       ;S        .DB     01001001B        .DB     01001001B        .DB     01001001B        .DB     00110010B        .END