These are the functions provided by the ARM9 BIOS. IDs not mentioned here, calls swiSoftReset. I haven't checked any old ones if they've been modified/replaced.
| ID | Name | Args | New? |
|---|---|---|---|
| 0x00 | swiSoftReset | none | old |
| 0x01 | swiUnknown | ?? | new ?? |
| 0x02 | swiDecompressLZSSVram | ?? | old |
| 0x03 | swiDelay | ?? | old |
| 0x04 | swiIntrWait | ?? | old |
| 0x05 | swiWaitForVBlank | ?? | old |
| 0x06 | swiWaitForIRQ | ?? | old |
| 0x09 | swiDivide | ?? | old |
| 0x0B | swiCopy | ?? | old |
| 0x0C | swiFastCopy | ?? | old |
| 0x0D | swiSqrt | ?? | old |
| 0x0E | swiCRC16 | ?? | old |
| 0x10 | swiUnpackBits | ?? | old |
| 0x11 | swiDecompressLZSSWram | ?? | old |
| 0x12 | swiDecompressLZSSVram | ?? | old |
| 0x13 | swiDecompressHuffman | ?? | old |
| 0x14 | swiDecompressRLEWram | ?? | old |
| 0x15 | swiDecompressRLEVram | ?? | old |
| 0x16 | swiDecodeDelta8 | ?? | old |
| 0x18 | swiDecodeDelta16 | ?? | old |
| 0x1F | swiSetHaltCR | ?? | old |
| 0x20 | swiDSi_Unknown0 | ?? | new |
| 0x21 | swiRSA_Decryption | ?? | new |
| 0x22 | swiDSi_Unknown2 | ?? | new |
| 0x23 | swiDSi_Unknown3 | ?? | new |
| 0x24 | swiSHA1_Init | ?? | new |
| 0x25 | swiSHA1_Update | ?? | new |
| 0x26 | swiSHA1_Final | ?? | new |
| 0x27 | swiSHA1 | ?? | new |
| 0x28 | swiSHA1_Compare | ?? | new |
| 0x29 | swiSHA1_Unknown | ?? | new |