Difference between revisions of "Enhanced ULA Control Register"
From SpecNext official Wiki
| Line 9: | Line 9: | ||
! Bit !! Function | ! Bit !! Function | ||
|- | |- | ||
| − | | | + | | 7 || Reserved |
|- | |- | ||
| − | | 1 || Enable second palette | + | | 6 || Select normal (0) or second (1) palette to read/write |
| + | |- | ||
| + | | 4-5 || Select ULA (00), Layer 2 (01) or sprite (10) palette to read/write | ||
| + | |- | ||
| + | | 3 || Enable second palette on Sprites | ||
| + | |- | ||
| + | | 2 || Enable second palette on Layer 2 | ||
| + | |- | ||
| + | | 1 || Enable second palette on ULANext | ||
|- | |- | ||
| 0 || Enable ULANext attributes | | 0 || Enable ULANext attributes | ||
|} | |} | ||
Revision as of 18:19, 6 October 2017
| Number | $43 |
|---|---|
| Readable | No |
| Writable | Yes |
| Short Description | Enables or disables ULANext interpretation of attribute values and toggles active palette. |
| Bit | Function |
|---|---|
| 7 | Reserved |
| 6 | Select normal (0) or second (1) palette to read/write |
| 4-5 | Select ULA (00), Layer 2 (01) or sprite (10) palette to read/write |
| 3 | Enable second palette on Sprites |
| 2 | Enable second palette on Layer 2 |
| 1 | Enable second palette on ULANext |
| 0 | Enable ULANext attributes |