參考資訊：
http://marc.rawer.de/Gameboy/Docs/GBCPUman.pdf
https://ia801906.us.archive.org/19/items/GameBoyProgManVer1.1/GameBoyProgManVer1.1.pdf
| Interrupt | Priority | Address |
|---|---|---|
| Vertical blanking | 1 | 0x40 |
| LCDC status interrupt | 2 | 0x48 |
| Timer overflow | 3 | 0x50 |
| Serial transfer completion | 4 | 0x58 |
| P10-P13 input signal goes low | 5 | 0x60 |