Genesis Plus/SDL 1.3.0 - 模擬器

http://code.google.com/p/genplus-gx/


* modified SN76489 cut-off frequency
* added an option to boost SN76489 Noise Channel
* removed outdated Gens YM2612 core
* improved YM2612 core general accuracy (SSG-EG, CSM mode,...) (based upon
Nemesis recent tests on real MD)
* improved YM2612 LFO emulation (fixes "Spider-Man Venom : Separation
Anxiety" intro music)
* fixed YM2612 context saving/loading.
* added 3-Band EQ for fully configurable sound filtering (credits to Neil C /
Etanza Systems)
* removed libsamplerate support, implemented faster/better FIR resampler
(thanks to Blargg and AamirM)
* improved VDP sprite masking emulation: fixes 3D level in Mickey Mania
(thanks to Nemesis for his sprite test program)
* fixed 2-Cell vertical scrolling when column 0 is shifted.
* added support for 2-Cell vertical scrolling in Interlaced 2 mode.
* fixed lightgun autodetection: fixes cursor position in Lethal Enforcers II
* improved DIVU/DVIS (thanks to Jorge Cwik) & MULU/MULS 68000 instructions
timing accuracy
* updated Z80 core to last version (fixes interrupt Mode 0 timing and some
BIT instructions)
* fixed Backup Memory support in some games using serial EEPROM
* added Game Genie hardware emulation (Game Genie ROM is now fully supported,
see README for more details)
* added Action Replay hardware emulation (Action replay ROM is now fully
supported, see README for more details)
* various code cleanup & core optimizations

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