| Number
|
$43
|
| Readable
|
Yes
|
| Writable
|
Yes
|
| Short Description
|
Enables or disables Enhanced ULA interpretation of attribute values and toggles active palette.
|
| Bit |
Function
|
| 7 |
1 to disable palette index write auto-increment
|
| 6-4 |
Select palette for reading or writing
|
| 3 |
Select Sprites palette (0 = first palette, 1 = second palette)
|
| 2 |
Select Layer 2 palette (0 = first palette, 1 = second palette)
|
| 1 |
Select ULA palette (0 = first palette, 1 = second palette)
|
| 0 |
Enabe ULANext mode if 1. (0 after a reset)
|
Possible bits 6-4 for palette select (bit 6 selects first/second, 5-4 select type):
| Bits 6-4 |
selects
|
| %000 |
ULA first palette
|
| %100 |
ULA second palette
|
| %001 |
Layer 2 first palette
|
| %101 |
Layer 2 second palette
|
| %010 |
Sprites first palette
|
| %110 |
Sprites second palette
|
| %011 |
Tilemap first palette
|
| %111 |
Tilemap second palette
|
