SDL version 1.2.5 was released for many platforms. This is the first time it has been released for dreamcast by the same people who made the other ports. Here are the biggest changes: Here are some of the biggest changes:
Added initial support for Dreamcast
Implemented resizable Cocoa windows
Updated Quartz video code for MacOS X 10.2
Gamepads and other HID devices should work under MacOS X
Updated Borland projects for Kylix 3
Added project files for embedded Visual C++ 4.0
Added SDL_GL_STEREO for stereoscopic OpenGL contexts
Added initial support for PicoGUI
Fixed thread detection and joystick code for NetBSD
Added support for audio in the Atari port
Added YUV hardware acceleration on MacOS X
Added initial Zaurus PDA (Qtopia) support
Updated ALSA audio support for ALSA 0.9
Plus many miscellaneous bug fixes and improvements …
There is no standalone download for a dreamcast version, however you can pick up the source which has the files needed to compile a dreamcast version here!