LCD Registers
Other registers that used to be documented on this page are now at GPU Registers.
Registers
| NAME | PHYSICAL ADDRESS | PROCESS VIRTUAL ADDRESS | KERNEL VIRTUAL ADDRESS | WIDTH |
|---|---|---|---|---|
| Parallax barrier enable | 0x10202000 | 0x1ED02000 | 0xFFFD6000 | 0x4 |
| ? | 0x10202004 | 0x1ED02004 | 0xFFFD6004 | 0x4 |
| Top Screen LCD Configuration | 0x10202200 | 0x1ED02200 | 0xFFFD6200 | 0x600 |
| Bottom Screen LCD Configuration | 0x10202A00 | 0x1ED02A00 | 0xFFFD6A00 | 0x600 |
| ? | 0x10203200 | 0x1ED03200 | 0xFFFD7200 | 0x40 |
On screen-init (error screen), Boot11 sets 0xA390A39 to 0x10202004.
LCD Configuration
| Offset | Size | Description |
|---|---|---|
| 0x00 | 0x4 | ? |
| 0x04 | 0x4 | Fill Color |
| 0x10 | 0x4 | ? |
| 0x14 | 0x4 | ? |
| 0x18 | 0x4 | ? |
| 0x1C | 0x4 | ? |
| 0x20 | 0x4 | ? |
| 0x24 | 0x4 | ? |
| 0x28 | 0x4 | ? |
| 0x2C | 0x4 | ? |
| 0x30 | 0x4 | ? |
| 0x38 | 0x4 | ? |
| 0x3C | 0x4 | ? |
| 0x40 | 0x4 | Backlight |
| 0x44 | 0x4 | ? |
| 0x60 | 0x4 | ? |
| 0x68 | 0x4 | ? |
| 0x70 | 0x4 | ? |
| 0x78 | 0x4 | ? |
| 0x80 | 0x4 | ? |
| 0x100 | 0x100 | LCD calibration data, pulled from nand:/ro/sys/HWCAL0.dat offset 0x77C.
N3DS only. This area on old3DS is zero-filled and not writable. |
Fill Color
| Bit | Description |
|---|---|
| 7-0 | Red component intensity |
| 15-8 | Green component intensity |
| 23-16 | Blue component intensity |
| 24 | Enable |
| 31-25 | ? |
When the enable bit is set, the specified solid color is displayed on the LCD instead of the framebuffer.