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Software for Signboard 2
[Wipe-left]




This routine sholud be put on the main process.
Function
    This routine displays the data which was set to the workarea from right without shifting.
    The position of the displayed data and the data to display isn't shifted.
    In the lighting-up interval, it is 100 milliseconds per row.
    In the animation which is shown above, it is culling to make a file size small.

Source code

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;*******************  Wipe to Left  *********************
        cblock         h'40'
        wipel_lp
        wipel_adr
        wipel_adrw
        wipel_data
        endc

wipe_left
        movlw   d'16'           ;Set loop count
        movwf   wipel_lp        ;Save loop count
        movlw   scrnwhd         ;Set screen work head adr
        addlw   d'15'           ;Set work adr
        movwf   wipel_adrw      ;Save work adr
        movlw   scrnhd          ;Set screen head adr
        addlw   d'15'           ;Set write adr
        movwf   wipel_adr       ;Save write adr

wipel_loop
        movf    wipel_adrw,w    ;Read work adr
        movwf   fsr             ;Set work adr
        movf    indf,w          ;Read work data
        movwf   wipel_data      ;Save data
        movf    wipel_adr,w     ;Read screen adr
        movwf   fsr             ;Set screen adr
        movf    wipel_data,w    ;Read data
        movwf   indf            ;Write data to screen
        call    led_cnt         ;LED control
        call    t100m           ;Wait 100 msec
        decf    wipel_adr,f     ;Screen adr - 1
        decf    wipel_adrw,f    ;Work adr - 1
        decfsz  wipel_lp,f      ;Wipe end ?
        goto    wipel_loop      ;No. Next
        return


Explanation
    The assignment of workarea is done among the 7th line from the 2nd line.

    In this routine, the data which is set on the screen workarea is copied to screen area by one row from right and it calls LED control subroutine.
    The shift speed of the display is 100 milliseconds/row. If changing this timer, the display speed can be changed.