| reg | value | descr |
|---|---|---|
| AH | 0x0b | |
| BH | see (1) | Palette Color ID |
| BL | see (2) | Color/Palette Value |
(1) Palette Color ID
| BH | Descr |
|---|---|
| 0 | Set background and border color |
| 1 | Select the 4 color palette |
(2) Color/palette value
Color Value when BH = 0
Palette Value when BH = 1
| BH | BL | Descr |
|---|---|---|
| 0 | 0 | Current background color |
| 1 | green (2) | |
| 2 | red (4) | |
| 3 | brown (6) | |
| 1 | 0 | Current background color |
| 1 | cyan (3) | |
| 2 | magenta (5) | |
| 3 | white (7) |
Nothing