[Core/Gamecube] improved progressive mode switch request on startup when component cable is detected
[Gamecube/Wii] added 50hz progressive mode (576p) support for emulation
[Core/CDD] added compiler define option to disallow opening multiple .ogg files at the same time for platforms with limited RAM (fixes memory crash on Gamecube when using too many .ogg files)
[Core/VDP] modified Master System color palette to use full brightness range (verified against real hardware)
[Gamecube/Wii] fixed low-pass filter menu setting
Create README.md
added HISTORY.txt and LICENSE.txt
fixed README
nitpicking...
[Core/MD] added support for Thunderbolt II (unlicensed) copy protection
[Core/VDP] improved H-Counter accuracy in H32 mode (modified in r457 for Sonic 3D Blast bonus stage, not needed anymore)
[Core/VDP] improved FIFO timings accuracy (fixes "Overdrive" Demo)
[Core/VDP] improved Mode 5 sprites rendering (fixes "Overdrive" demo)
[Core/VDP] fixed V28/V30 mode switching during active display (verified on real hardware)
[Core/VDP] implemented proper FIFO ring-buffer & unused bits behavior on CRAM/VSRAM reads (verified on real hardware)
[Core/VDP] improved accuracy of DMA Copy/Fill & added support for CRAM/VSRAM Fill (verified on real hardware)
[Core/MCD] improved Main-CPU & Sub-CPU idle loop detection (fixes "Super League CD")
[Core/MCD] added CDC & GFX register polling detection / synchronization
[Core/MCD] fixed pending level 1 interrupts when GFX interrupt is disabled (fixes random freezes out of "Batman Returns" option menu)
[Core/MCD] improved Sub-CPU synchronization with Main-CPU (fixes "Soul Star")