From: marcov@stack.nl   
      
   On 2006-03-20, Jim Leonard  wrote:   
   > var   
   >   precalc:array[0..maxx-1,0..maxy-1] of word;   
   >   
   > (...fill the array...)   
   >   
   > asm {lookup values for index "x,y" and stick in ax}   
   >   mov bx,x   
   >   shl bx,1   
   >   mov si,y   
   >   shl si,1   
   >   mov ax,[offset precalc+bx+si]   
   > end;   
   >   
   > I'm missing something obvious; can anyone help?   
      
   Always try to write something in pascal notation for your assembler. Then   
   you'll se that what you did is roughly equal to precalc[x+y] not   
   precalc[x][y]   
      
   Try something that looks more like precalc[x*maxy+y]   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)