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bsnes is a Super Nintendo (SNES) emulator focused on performance, features, and ease of use.
64 Commits 1 Branch 122 Tags 59 MiB
GLSL 51.9%
C++ 29.5%
C 15.7%
Objective-C 2.2%
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Lior Halphon 846a9318ba Added anti aliasing to OmniScale. Fixed color differentiation for HQ2x and OmniScale 2016-06-17 23:47:41 +03:00
BootROMs Load DMG's tilemap for specific games in the CGB boot (Fixes X's title screen and an unknown game with title checksum $43) 2016-04-16 13:50:29 +03:00
Cocoa The old OmniScale filter became OmniScale Legacy. A new OmniScale filter was added instead. 2016-06-17 01:06:52 +03:00
Core Fixed graphical glitches caused by the last change to LCDC emulation 2016-06-17 02:27:32 +03:00
SDL Battery save support in the SDL version 2016-06-10 15:48:40 +03:00
Shaders Added anti aliasing to OmniScale. Fixed color differentiation for HQ2x and OmniScale 2016-06-17 23:47:41 +03:00
.gitignore Initial public commit 2016-04-01 21:27:01 +03:00
CHANGES.md Updated change log and incremented version to 0.4 2016-06-10 18:07:39 +03:00
LICENSE Added license and copyright 2016-04-01 22:13:05 +03:00
Makefile Updated change log and incremented version to 0.4 2016-06-10 18:07:39 +03:00
README.md Introducing the OmniScale (beta) algorithm to SameBoy 2016-06-09 00:06:55 +03:00
SCALING.md Introducing the OmniScale (beta) algorithm to SameBoy 2016-06-09 00:06:55 +03:00

README.md

SameBoy

SameBoy is an open source Gameboy (DMG) and Gameboy Color (CGB) emulator, written in portable C. It has a native Cocoa frontend for OS X, and an incomplete experimental SDL frontend for other operating systems. It also includes a text-based debugger with an expression evaluator.

Features

Features common to both Cocoa and SDL versions:

  • Supports Gameboy (DMG) and Gameboy Color (CGB) emulation
  • Lets you choose the model you want to emulate regardless of ROM
  • Includes open source DMG and CGB boot ROMs:
    • Complete support for (and documentation of) all game-specific palettes in the CGB boot ROM, for accurate emulation of Gameboy games on a Gameboy Color
    • Supports manual palette selection with key combinations, with 4 additional new palettes (A + B + direction)
    • Supports palette selection in a CGB game, forcing it to run in 'paletted' DMG mode, if ROM allows doing so.
    • Support for games with a non-Nintendo logo in the header
    • No long animation in the DMG boot
  • Has a text-based debugger with an expression evaluator
  • Emulates PCM_12 and PCM_34 registers
  • Emulates LCD timing effects, supporting the Demotronic trick, GBVideoPlayer and other tech demos
  • Accurate instruction and memory timings
  • Real time clock emulation

Features currently supported only with the Cocoa version:

  • Native Cocoa interface, with support for all system-wide features, such as drag-and-drop and smart titlebars
  • Retina display support, allowing a wider range of scaling factors without artifacts
  • High quality 96KHz audio
  • Battery save support
  • Save states
  • Optional frame blending
  • Several scaling algorithms (Including exclusive algorithms like OmniScale and Anti-aliased Scale2x)

Compatibility

While SameBoy passes many of blargg's test ROMs, some games fail to run correctly. SameBoy is still relatively early in its development and accuracy and compatibility will be improved.

Compilation

SameBoy requires the following tools and libraries to build:

  • clang
  • make
  • Cocoa port: OS X SDK and Xcode command line tools
  • SDL port: SDL.framework (OS X) or libsdl (Other platforms)
  • rgbds, for boot ROM compilation

SameBoy was compiled and tested on OS X and Ubuntu.