AY0438 Display Driver


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  1. #10


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    Terry,
    Try taking the "0" out of each of these lines. Then try your Temp = 1234

    'SEVEN SEG LOOKUP
    LookUp ONES,[63,6,91,79,102,109,124,7,127,103,0],LCD_THOU
    LookUp TENS,[63,6,91,79,102,109,124,7,127,103,0],LCD_HUNS
    LookUp HUNS,[63,6,91,79,102,109,124,7,127,103,0],LCD_TENS
    LookUp THOU,[63,6,91,79,102,109,124,7,127,103,0],LCD_ONES

    I did this a long tme ago so I don't remember why I added the 0. Hope you get it going.

    Regards Mark

    Add:Like Robert said the LCD may be connected different than my code.
    I used LCD segment A, Digit 1 = Segment 1 Pin 39 AY0438 and
    LCD seg B = Segment 2 pin 38 AY0438 and so on.
    Post your asm code, we can probably see how its connected by the look up tables at
    the bottom of the listing.
    Last edited by mark_s; - 26th April 2010 at 21:11.

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