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) |