GB Emulator

Game Boy emulator written in C.

Libraries used:

• SDL - Displaying window and graphics
• Catch2 - Unit testing

Main features:

• Supports the following cartridge types: ROM ONLY, MBC1, MBC1+RAM, MBC1+RAM+BATTERY, MBC2, MBC2+BATTERY.
• Automatic game saves (generates *_save.sg files).
• All CPU instructions are implemented, it even passes some Blargg's tests.
• CPU Halt bug emulation.
• GPU displays tile maps, sprites and does palette swapping.
• Cartridge RAM emulation for MBC1 and MBC2 cartridges.

Usage

You can either drag and drop a ROM file on the executable, or run it through the command line with a command like:

.\GB_Emulator.exe \path\to\ROM

Controls

GameBoy button	Keyboard
A	A
B	S
Start	Return
Select	Backspace
Up	Up
Down	Down
Left	Left
Right	Right

Additionally, you can press ESC to close the emulator.