LCD Registers: Difference between revisions
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| Line 15: | Line 15: | ||
| 0x4 | | 0x4 | ||
|- | |- | ||
| | | Parallax barrier PWM | ||
| 0x10202004 | | 0x10202004 | ||
| 0x1ED02004 | | 0x1ED02004 | ||
| 0xFFFD6004 | | 0xFFFD6004 | ||
| 0x4 | |||
|- | |||
| LCD status | |||
| 0x10202008 | |||
| 0x1ED02008 | |||
| 0xFFFD6008 | |||
| 0x4 | |||
|- | |||
| LCD clock disable | |||
| 0x1020200C | |||
| 0x1ED0200C | |||
| 0xFFFD600C | |||
| 0x4 | |||
|- | |||
| ? | |||
| 0x10202010 | |||
| 0x1ED02010 | |||
| 0xFFFD6010 | |||
| 0x4 | |||
|- | |||
| LCD reset | |||
| 0x10202014 | |||
| 0x1ED02014 | |||
| 0xFFFD6014 | |||
| 0x4 | | 0x4 | ||
|- | |- | ||
| Line 50: | Line 74: | ||
| 0x00 | | 0x00 | ||
| 0x4 | | 0x4 | ||
| | | [[#Flags|Flags]] | ||
|- | |- | ||
| 0x04 | | 0x04 | ||
| Line 57: | Line 81: | ||
|- | |- | ||
| 0x10 | | 0x10 | ||
| | | 0x10 | ||
| | | [[#Adaptive Backlight Area|Adaptive Backlight Area]] | ||
| | |||
|- | |- | ||
| 0x20 | | 0x20 | ||
| Line 94: | Line 106: | ||
| 0x38 | | 0x38 | ||
| 0x4 | | 0x4 | ||
| | | Filter Index | ||
|- | |- | ||
| 0x3C | | 0x3C | ||
| Line 102: | Line 114: | ||
| 0x40 | | 0x40 | ||
| 0x4 | | 0x4 | ||
| Backlight | | [[#Backlight Level|Backlight Level]] | ||
|- | |- | ||
| 0x44 | | 0x44 | ||
| 0x4 | | 0x4 | ||
| | | [[#Backlight Interval|Backlight Interval]] | ||
|- | |- | ||
| 0x60 | | 0x60 | ||
| | | 0x20 | ||
| | | Dither | ||
|- | |- | ||
| 0x80 | | 0x80 | ||
| Line 132: | Line 132: | ||
| LCD calibration data, pulled from nand:/ro/sys/HWCAL0.dat offset 0x77C. | | LCD calibration data, pulled from nand:/ro/sys/HWCAL0.dat offset 0x77C. | ||
N3DS only. This area on old3DS is zero-filled and not writable. | N3DS only. This area on old3DS is zero-filled and not writable. | ||
|- | |||
| 0x200 | |||
| 0x400 | |||
| Filter lookup table | |||
|} | |||
=== Flags === | |||
{| class="wikitable" border="1" | |||
! Bit | |||
! Description | |||
|- | |||
| 0 | |||
| Adaptive backlight on | |||
|- | |||
| 8 | |||
| ? | |||
|- | |||
| 9 | |||
| ? | |||
|} | |} | ||
| Line 150: | Line 169: | ||
| 24 | | 24 | ||
| Enable | | Enable | ||
|} | |||
When the enable bit is set, the specified solid color is displayed on the LCD instead of the framebuffer. | |||
=== Adaptive Backlight Area === | |||
{| class="wikitable" border="1" | |||
! Offset | |||
! Description | |||
|- | |||
| 0x00 | |||
| X begin | |||
|- | |- | ||
| | | 0x04 | ||
| X end | |||
|- | |||
| 0x08 | |||
| Y begin | |||
|- | |||
| 0x0C | |||
| Y end | |||
|} | |||
The values refer to 90° clockwise rotated screens. | |||
=== Backlight Level === | |||
{| class="wikitable" border="1" | |||
! Bit | |||
! Description | |||
|- | |||
| 9-0 | |||
| Backlight PWM duty on (0 = off) | |||
|} | |||
=== Backlight Interval === | |||
{| class="wikitable" border="1" | |||
! Bit | |||
! Description | |||
|- | |||
| 9-0 | |||
| Backlight PWM Interval, minus 1 | |||
|- | |||
| 16 | |||
| ? | |||
|- | |||
| 17 | |||
| ? | |||
|- | |||
| 18 | |||
| ? | | ? | ||
|} | |} | ||
Revision as of 21:01, 25 August 2023
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 |
| Parallax barrier PWM | 0x10202004 | 0x1ED02004 | 0xFFFD6004 | 0x4 |
| LCD status | 0x10202008 | 0x1ED02008 | 0xFFFD6008 | 0x4 |
| LCD clock disable | 0x1020200C | 0x1ED0200C | 0xFFFD600C | 0x4 |
| ? | 0x10202010 | 0x1ED02010 | 0xFFFD6010 | 0x4 |
| LCD reset | 0x10202014 | 0x1ED02014 | 0xFFFD6014 | 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 0x10202004 to 0xA390A39.
LCD Configuration
| Offset | Size | Description |
|---|---|---|
| 0x00 | 0x4 | Flags |
| 0x04 | 0x4 | Fill Color |
| 0x10 | 0x10 | Adaptive Backlight Area |
| 0x20 | 0x4 | ? |
| 0x24 | 0x4 | ? |
| 0x28 | 0x4 | ? |
| 0x2C | 0x4 | ? |
| 0x30 | 0x4 | ? |
| 0x38 | 0x4 | Filter Index |
| 0x3C | 0x4 | ? |
| 0x40 | 0x4 | Backlight Level |
| 0x44 | 0x4 | Backlight Interval |
| 0x60 | 0x20 | Dither |
| 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. |
| 0x200 | 0x400 | Filter lookup table |
Flags
| Bit | Description |
|---|---|
| 0 | Adaptive backlight on |
| 8 | ? |
| 9 | ? |
Fill Color
| Bit | Description |
|---|---|
| 7-0 | Red component intensity |
| 15-8 | Green component intensity |
| 23-16 | Blue component intensity |
| 24 | Enable |
When the enable bit is set, the specified solid color is displayed on the LCD instead of the framebuffer.
Adaptive Backlight Area
| Offset | Description |
|---|---|
| 0x00 | X begin |
| 0x04 | X end |
| 0x08 | Y begin |
| 0x0C | Y end |
The values refer to 90° clockwise rotated screens.
Backlight Level
| Bit | Description |
|---|---|
| 9-0 | Backlight PWM duty on (0 = off) |
Backlight Interval
| Bit | Description |
|---|---|
| 9-0 | Backlight PWM Interval, minus 1 |
| 16 | ? |
| 17 | ? |
| 18 | ? |