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T6963C - SCREEN_PEEK command .. need help !.. please !

Discussion in 'Electronic Design' started by PC, Jun 3, 2004.

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  1. PC

    PC Guest

    hi everybody

    first, sorry for my bad english, i'm french !

    i use a LCD with T6963C controller and a PIC CPU.
    all work fine. i can draw a full screen ( 240*128 ) with BMP file in less
    than 1.5 seconde .. cool ! ;-)

    but i have some trouble with the SCREEN_PEEK command. i want to use it to,
    for example, reverse ( video ) a full screen.
    this work fine .. i obtain a right video inversion ... BUT to do the full
    screen reverse, it take about 35 secondes !!! ...

    please, if anybody use this command .. can he send me his routine ( asm,
    basic, C .... ) ?

    what i do :

    for index = ....
    SCREEN_PEEK command
    READ data
    convert DATA
    WRITE data

    what is wrong ???? ( i check of course, all the status flag needed .. )

    thank's, please help !
  2. Are you sure you are not attempting to access RAM outside the graphic

    Best regards,
    Spehro Pefhany
  3. PC

    PC Guest

    hi everybody
    i think yes, because the reverse video work great... but it take 35 secondes
    for a full screen .. !
    so i read and write data at the right are ...
  4. PC

    PC Guest

    have you a sample soft with this command ?
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