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notes:atari:book_dereatari:antic_and_the_display_list

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notes:atari:book_dereatari:antic_and_the_display_list [2016/09/12]
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notes:atari:book_dereatari:antic_and_the_display_list [2016/09/12] (current)
admin [Applications of Display Lists]
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 This technique can also be used to extend the color and luminosity resolution of the computer. By cycling between four versions of the same image, each version stressing one color or luminosity range, a wider range of colors and luminosities is available. For example, suppose you wish to display a bar of many different luminances. First set your four color registers to the values: This technique can also be used to extend the color and luminosity resolution of the computer. By cycling between four versions of the same image, each version stressing one color or luminosity range, a wider range of colors and luminosities is available. For example, suppose you wish to display a bar of many different luminances. First set your four color registers to the values:
  
- * Background: 00 +  ​* Background: 00 
- * Playfield 1: 02 +  * Playfield 1: 02 
- * Playfield 2: 0A +  * Playfield 2: 0A 
- * Playfield 3: 0C+  * Playfield 3: 0C
  
 Now, put the following images into each of the screen RAM areas: Now, put the following images into each of the screen RAM areas:
notes/atari/book_dereatari/antic_and_the_display_list.txt · Last modified: 2016/09/12 by admin