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* modified SN76489 cut-off frequency * added an option to boost SN76489 Noise Channel * removed outdated Gens YM2612 core * improved YM2612 core general accuracy (SSG-EG, CSM mode,...)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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