Registers
These registers are similar to the old NDS Cartridge registers, check http://problemkaputt.de/gbatek.htm#dscartridgeioports for more information.
| NAME | PHYSICAL ADDRESS | WIDTH | 
| REG_NTRCARDMCNT | 0x10164000 | 2 | 
| REG_NTRCARDMDATA | 0x10164002 | 2 | 
| REG_NTRCARDROMCNT | 0x10164004 | 4 | 
| REG_NTRCARDCMD | 0x10164008 | 8 | 
| REG_NTRCARDSEEDX_L | 0x10164010 | 4 | 
| REG_NTRCARDSEEDY_L | 0x10164014 | 4 | 
| REG_NTRCARDSEEDX_H | 0x10164018 | 1 | 
| REG_NTRCARDSEEDY_H | 0x1016401A | 1 | 
| REG_NTRCARDFIFO | 0x1016401C | 4 | 
REG_NTRCARDMCNT
| Bit | Description | 
| 14 | Interrupt enable (1=Enable, 0=Disable) | 
| 15 | Enable (1=Enable, 0=Disable) | 
REG_NTRCARDROMCNT
| Bit | Description | 
| 23 | Data status (1=Ready, 0=Busy) | 
| 31 | Start (1=Busy, 0=Idle) |