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Registers
| Old3DS
|
Name
|
Address
|
Width
|
Used by
|
| Yes
|
CTRCARD_CNT
|
0x10004000
|
4
|
Process9
|
| Yes
|
CTRCARD_BLKCNT
|
0x10004004
|
4
|
Process9
|
| Yes
|
CTRCARD_SECCNT
|
0x10004008
|
4
|
Process9
|
| Yes
|
CTRCARD_SECSEED
|
0x10004010
|
4
|
Process9
|
| Yes
|
CTRCARD_CMD
|
0x10004020
|
16
|
Process9
|
| Yes
|
CTRCARD_FIFO
|
0x10004030
|
4
|
Process9
|
CTRCARD_CNT
| Bit
|
Description
|
| 3-0
|
?
|
| 4
|
CRC status (1=Error, 0=OK)?
|
| 15-5
|
?
|
| 19-16
|
Transfer size (0=0 bytes, 1=4 bytes, 2=0x10 bytes, 0x40, 0x200, 0x400, 0x800, 0x1000, 8=0x4000 bytes)
|
| 23-20
|
?
|
| 26-24
|
Clock delay (0..5)
|
| 27
|
Data ready (1=Ready, 0=Busy)
|
| 28
|
Reset (1=High, 0=Low)
|
| 29
|
Transfer mode (1=Write, 0=Read)
|
| 30
|
Interrupt enable (1=Enable, 0=Disable)
|
| 31
|
Start (1=Busy, 0=Idle)
|
Once reset is set high, it cannot be changed until controller is reset.
CTRCARD_BLKCNT
| Bit
|
Description
|
| 15-0
|
Total data blocks to read from FIFO - 1
|
| 31-16
|
Total data blocks to write to FIFO - 1
|
CTRCARD_SECCNT
| Bit
|
Description
|
| 2
|
Latch key index
|
| 9-8
|
Key index
|
| 15
|
Latch seed
|
CTRCARD_CMD
Specifies the 16-byte command to send. The command is split into 32-bit words, and stored as least significant word first, with each word itself in big-endian format.