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       1 line = 800 clocks but only the 640  are seen on the screen

      X value for char  and    Horizontal Counter

     bits 0 1 2  define the X postion in the char  now bits 3 - 7 show the  char position with a max position of 79  (4F ) hex 
     I have just split the counter as my font is (8*8) I do not need any more than splitting the counter.

     Y Values for Char   From the   Vertical  Counter

    bits 0 1 2  define the Y postion in the char  now bits 3 - 7 show the  char position with a max position of 24 (18) hex 
     I have just split the counter as my font is (8*8) I do not need any more than splitting the counter.

    Now Take the    Y postion      X poistion  and join them  you have how a the count  is 0 - 63   ( postion in font)

    By simple looking at the counter I have created the addressing

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