Difference between revisions of "Sprite and Layers System Register"
From SpecNext official Wiki
| Line 3: | Line 3: | ||
|Readable=Yes | |Readable=Yes | ||
|Writable=Yes | |Writable=Yes | ||
| − | |ShortDesc=Enables/disables | + | |ShortDesc=Enables/disables [[Sprites]] and [[Enhanced ULA|Lores Layer]], and chooses priority of sprites and [[Layer 2]]. |
}} | }} | ||
Revision as of 23:01, 29 August 2017
| Number | $15 |
|---|---|
| Readable | Yes |
| Writable | Yes |
| Short Description | Enables/disables Sprites and Lores Layer, and chooses priority of sprites and Layer 2. |
Bitmapped as follows:
| Bit | Function |
|---|---|
| 7 | Enable Lores Layer |
| 6-5 | Reserved |
| 3-4 | If %00, ULA is drawn under Layer 2 and Sprites; if %01, it is drawn between them, if %10 it is drawn over both |
| 2 | If 1, Layer 2 is drawn over Sprites, else sprites drawn over layer 2 |
| 1 | Enable sprites over border |
| 0 | Enable sprite visibility |