# Nintendo GameBoy
## Code Example
```html
```
## ROM Type
Your **ROM** can have the following extensions:
- `gb`
- `gbc`
- `dmg`
### BIOS
| File Name | Description | md5sum |
| ----------- | ------------- | ----------- |
| gb_bios.bin | Game Boy BIOS - Optional | 32fbbd84168d3482956eb3c5051637f5 |
| gbc_bios.bin | Game Boy Color BIOS - Optional | dbfce9db9deaa2567f6a84fde55f9680 |
### CORES
The *gb* system supports 2 cores
- `gambatte`
- `mgba`
If set to `gb`, emulator will use the `gambatte` core.