[Opcodes Table](https://meganesulli.com/blog/game-boy-opcodes/)
[Registers & Flags](https://gbdev.io/pandocs/CPU_Registers_and_Flags.html)
[Test Roms](https://github.com/retrio/gb-test-roms/tree/master/cpu_instrs)

- run command: go run . roms/rom.gb
- test command: go test ./...