Software interrupt event register
| SWI0 | Software Interrupt on line 0 |
| SWI1 | Software Interrupt on line 1 |
| SWI2 | Software Interrupt on line 2 |
| SWI3 | Software Interrupt on line 3 |
| SWI4 | Software Interrupt on line 4 |
| SWI5 | Software Interrupt on line 5 |
| SWI6 | Software Interrupt on line 6 |
| SWI7 | Software Interrupt on line 7 |
| SWI8 | Software Interrupt on line 8 |
| SWI9 | Software Interrupt on line 9 |
| SWI10 | Software Interrupt on line 10 |
| SWI11 | Software Interrupt on line 11 |
| SWI12 | Software Interrupt on line 12 |
| SWI13 | Software Interrupt on line 13 |
| SWI14 | Software Interrupt on line 14 |
| SWI15 | Software Interrupt on line 15 |
| SWI16 | Software Interrupt on line 16 |
| SWI18 | Software Interrupt on line 18 |
| SWI19 | Software Interrupt on line 19 |
| SWI20 | Software Interrupt on line 20 |
| SWI21 | Software Interrupt on line 21 |
| SWI22 | Software Interrupt on line 22 |