glitzflitz / GlitzBoy

A GameBoy emulator written in C

GlitzBoy

A fast cross platform Gamboy(DMG) emulator written in C.
GlitzBoy supports sound, several hardware types, and RTC

Screenshots

Implemented

• CPU
  • All instructions correct
  • All timings correct
  • Double, triple, quadruple speed mode
• GPU
  • Normal mode
  • Color mode
• Audio
• Joypad
• Timer
• MMU
  • MBC-less
  • MBC1
  • MBC3 (with RTC)
  • MBC5
  • save games

Installation

First make sure SDL2 is installed on your platform.
Instructions for Linux, Mac and Windows

git clone https://github.com/glitzflitz/GlitzBoy.git
cd GlitzBoy
make
./GlitzBoy <Path to rom>

Keymap

GlitzBoy uses SDL_GameControllerDB a community sourced databse of controller mappings

z - action A
x - action B
Enter - Start
←↑→↓ - D-pad
1 - Reset to normal speed
2 - Turbo X2(Toggle)
3 - Turbo X3(Toggle)
4 - Turbo X4(Toggle)
p - Change the color palette
Shift+p - Reset to original palette
r - Reset game
f/F11 - Full screen\

Emulation Accuracy

Although the goal of this emulator is speed over accuracy, GlitzBoy passes Blargg's CPU instruction test cases and CPU instruction timing test cases.