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GPU/External Registers: Difference between revisions

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| 0x80
| 0x80
| 4
| 4
| Color adjustment index select
| Color lookup table index select
| Only the lowest byte is used, write-only
| 8bits, write-only
|-
|-
| 0x84
| 0x84
| 4
| 4
| Color adjustment register
| Color lookup table indexed element
| Each poke changes the color blended over the screens content randomly.
| Contains the value of the color lookup table indexed by the above register, 24bits, RGB8 (0x00BBGGRR) 
Accessing this register will increase the index register by one
|-
|-
| 0x90
| 0x90
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