Registers
| Old3DS
|
Name
|
Address
|
Width
|
Used by
|
| Yes
|
HID_PAD
|
0x10146000
|
2
|
Boot9, Boot11, Kernel11, TwlBg, HID Services, dlp Services
|
| Yes
|
HID_PAD_CNT
|
0x10146002
|
2
|
TwlBg
|
HID_PAD
Each bit in this register refers to a particular key. Each bit is set if the corresponding key is not pressed, and unset if it's pressed.
| Bit
|
Key
|
| 0
|
A
|
| 1
|
B
|
| 2
|
Select
|
| 3
|
Start
|
| 4
|
Right
|
| 5
|
Left
|
| 6
|
Up
|
| 7
|
Down
|
| 8
|
R
|
| 9
|
L
|
| 10
|
X
|
| 11
|
Y
|
HID_PAD_CNT
| Bit
|
Key
|
| 0
|
A
|
| 1
|
B
|
| 2
|
Select
|
| 3
|
Start
|
| 4
|
Right
|
| 5
|
Left
|
| 6
|
Up
|
| 7
|
Down
|
| 8
|
R
|
| 9
|
L
|
| 10
|
X
|
| 11
|
Y
|
| 12-13
|
Unused.
|
| 14
|
Enable IRQ 0x5B. 1 = enable.
|
| 15
|
IRQ condition (0 = OR, 1 = AND).
|
This is the same as on GBA/DS(i).