Sprite Attribute 2 Register: Difference between revisions

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m Xalior moved page Sprite port-mirror Attribute 2 Register to Sprite Attribute 2 Register: match formal nextreg.txt name
 
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Latest revision as of 10:52, 14 October 2025

Next Register Number $37
Readable No
Writable Yes
Short Description Nextreg port-mirror to write directly into "byte 3" of IO:$xx57.

Byte 3 is bitmapped:

Bit Description
4-7 Palette offset, added to each palette index from pattern before drawing
3 Enable X mirror
2 Enable Y mirror
1 Enable rotation
0 anchor sprite: MSB of X coordinate

relative sprite: enable relative Palette offset (1 = the anchor Palette offset is added, 0 = independent Palette offset)