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https://github.com/libretro/Genesis-Plus-GX-Wide.git
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b40bcf31d1
* added support for 2-Cell vertical scrolling in Interlaced 2 mode. * improved Z80 core accuracy
577 lines
32 KiB
Plaintext
577 lines
32 KiB
Plaintext
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Genesis Plus GX 1.4.0 (??/??/????) (Eke-Eke)
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[Core]
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------
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* modified SN76489 cut-off frequency
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* added an option to boost SN76489 Noise Channel
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* removed outdated Gens YM2612 core
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* improved YM2612 core general accuracy (SSG-EG, CSM mode,...) (based upon Nemesis recent tests on real MD)
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* improved YM2612 LFO emulation (fixes "Spider-Man & Venom : Separation Anxiety" intro music)
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* fixed YM2612 context saving/loading.
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* added 3-Band EQ for fully configurable sound filtering (credits to Neil C / Etanza Systems)
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* removed libsamplerate support, implemented faster/better FIR resampler (thanks to Blargg and AamirM)
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* improved VDP sprite masking emulation: fixes 3D level in Mickey Mania (thanks to Nemesis for his sprite test program)
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* fixed 2-Cell vertical scrolling when column 0 is shifted.
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* added support for 2-Cell vertical scrolling in Interlaced 2 mode.
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* fixed lightgun autodetection: fixes cursor position in Lethal Enforcers II
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* improved DIVU/DVIS (thanks to Jorge Cwik) & MULU/MULS 68000 instructions timing accuracy
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* updated Z80 core to last version (fixes interrupt Mode 0 timing and some BIT instructions)
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* fixed Backup Memory support in some games using serial EEPROM
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* added Game Genie hardware emulation (Game Genie ROM is now fully supported, see README for more details)
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* added Action Replay hardware emulation (Action replay ROM is now fully supported, see README for more details)
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* various code cleanup & core optimizations
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[Gamecube/Wii]
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* improved audio/video synchronization: fixes video skipping issues in 60Hz modes
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* fixed stability issues and some (potential) memory leaks
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* added internal screenshot feature
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* improved lightgun cursors
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* implemented new FONT & GUI engines: use internal IPL FONT, GX hardware & multithreading for fast rendering.
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* implemented new interface: incl. IR pointing, ROM snapshots, menu effects, sound effects, BGM... (check the README for more details)
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Genesis Plus GX 1.3.1 (20/12/2008) (Eke-Eke)
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[Gamecube/Wii]
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* improved sound engine
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* modified frame synchronization (now use audio DMA interrupt)
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Genesis Plus GX 1.3.0 (14/12/2008) (Eke-Eke)
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[Core]
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* YM2612 bugfixes (MAME core):
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.fixed EG Decay->Substain transition when SL & DR are minimals: fix tracks #3 and #9 in "Mega Turrican"
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.fixed a bug in SSG-EG emulation code: fix Level 1 music in "Alisia Dragoon"
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.modified SSG-EG Decay End Level: fix some sound effects (ChainSaw, Zap...) in "Beavis & Butthead"
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.improved Detune overflow accuracy: fix very high frequency sounds in many games
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.fixed registers 0x20-0x26 Reset state: fix intro music in "B.O.B"
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.reverted incorrect fix with KEY ON: fix "Flamethrower" sound effect in "Alien 3" and many others
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* adjusted HCounter values: fixes line flickering in "Sonic 3D" bonus stage
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* adjusted VINT timing: fixes hang-up in "V.R Troopers"
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* improved HBLANK flag accuracy: fixes line flickering in "Gouketsuji Ichizoku"
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* fixed broken Z80 access to WRAM: fixes hang-up in "Mamono Hunter Youko"
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* modified JCART emulation: fixes corrupted tracks logo in "Micro Machines 2"
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* added Blargg's NTSC Filters support (NTSC video artifacts emulation)
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* optimized VDP rendering core, rewrote 68k interface (memory handlers, cycle execution, interrupts): greatly improved emulation speed
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[Gamecube/Wii]
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* remove slowest libsamplerate settings under "HQ YM2612" option, only keeps SRC_LINEAR (faster) and SRC_SINC_FAST (better)
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* added an option to enable/disable bilinear filtering
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* rewrote video engine: improved horizontal scaling (VI+GX), improved rendering speed (direct texture mapping)
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* removed embedded font, (re)enabled IPL font support: now should works for Qoob users too (thanks to emukiddid)
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* fixed "Reset" button behavior, now acts more like Genesis Reset button ;-)
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* patched libfat for faster SDCARD accesses (thanks to svpe)
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* SRAM and SaveState filenames are now based on the ROM filename (for FAT devices only)
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* various bugfixes, menu tweaks and code cleanup
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[Gamecube]
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* added 480p support in menu
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[Wii]
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* implemented fast scrolling in menu using Wiimote D-PAD
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* added "Power" button support
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* added USB Storage support
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* Widescreen menu fix
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* *new* libogc 1.7.0 features: SDHC support, Wiimote shutdown button support
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Genesis Plus GX release 080826 (Eke-Eke)
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[Core]
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* YM2612(MAME): fixed LFO phase update for CH3 special mode: fix sound effects in Warlock & Aladdin (thanks to AamirM)
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* YM2612(MAME): fixed EG attenuation level on "KEY ON": fix Ecco 2's splash sound
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* YM2612(MAME): fixed SSG-EG emulation: fix Bubba'n Stix (Track 5) and many others
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* YM2612(MAME): replaced sample interpolation with libsamplerate support, High Quality mode is now more accurate
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* implemented cycle-accurate HINT timings: every timing sensitive games/demos are now *finally* working fine
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* fixed a bug affecting CRAM/VSRAM DMA timings
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* fixed Sprite Attribute Table address mask for VRAM writes
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* improved accuracy of 68k access to Z80: fix music in Pacman 2 when entering PAUSE menu
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* disabled "Address Error" emulation when UMK3 hack is loaded: fix game crashing after a round ends up
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* added support for some more unlicensed games: Pocket Monster, King of Fighter 98, Soul Blade (credits to Haze)
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* improved Menacer emulation: fix lightgun support in Body Count & T2: The Arcade Game
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* added Konami Justifier emulation: fix lightgun support in Lethal Enforcers 1 & 2
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* added Sega Mouse emulation (Populous 2, Body Count, Shangai 2, Fun'n Games, ...)
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[Gamecube/Wii]
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* added Wiimote support for Menacer/Justifier/Mouse
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* added DVD support in Wii mode (no modchip required)
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* added "Gun cursor" option to enable/disable gun position display
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* added "Invert Mouse" option to invert Sega Mouse vertical axe (required by some games)
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* improved Controller options: Wiimote/Nunchuk and Classical Controllers can now be affected separately to ANY player
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Genesis Plus GX release 080716 (Eke-Eke)
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[Core]
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* adjusted (again) HINT timings: fix Double Dragon 2 (game freezed), hopefully does not break anything else
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* fixed broken EEPROM support for Codemaster games
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* modified input update timings: fix Dungeons & Dragons * Warriors of the Eternal Sun (thanks to Notaz)
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* added support for "Ultimate Mortal Kombat Trilogy" hack (max. size supported is 10MBytes)
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* added (VERY) preliminar support for PICO roms (credits to Notaz for his documentation)
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* improved YM2612 emulation (credits to Nemesis for his tests on real hardware):
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.implemented phase overflow emulation: improved fix for special music instrument used in Comix Zone, Flashback, Ariel, Shaq Fu...
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.improved SSG-EG emulation in MAME core (also based on additional code from Alone Coder)
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.improved Timers emulation accuracy
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.improved Enveloppe Generator accuracy
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.fixed Channel 3 CSM mode emulation
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.implemented sample interpolation in MAME core to emulate the chip at original frequency (HQ YM2612 mode, from gens)
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[Gamecube/Wii]
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* added automatic alphabetical filesorting (Marty Disibio)
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* added ROM History for faster ROM access (Marty Disibio)
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* fixed a silly input bug in "ROM Infos" & "Game Genie" menus
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* modified "Hard Reset" option
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* improved display sharpness in original rendering mode (H40 cell mode only), filtering is now completely disabled
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* enabled overscan emulation in "STRETCH" aspect mode also
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* added support for horizontal wiimote handling in Menu (automatically used when the wiimote is not pointed towards the screen)
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* improved Controller options
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.prevented keys reconfiguration if device is not detected
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.added support for up to 8 players (ISS Pro Deluxe, ...)
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.each player can be affected to a custom device (GAMECUBE Pad, WIIMOTE/NUNCHUK or CLASSIC)
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.added the ability to use classic controller & wiimote pad from the same port separately
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.modified "soft-reset" key on the Wiimote to avoid "accidental" resets (now press Buttons + & * simultaneously)
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.added MODE button mapping: use "START+Z" on gamepad or "Button Minus" on wiimote/classic (not reconfigurable)
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.added automatic configuration save for controller options
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Genesis Plus GX release 080601 (Eke-Eke)
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[Core]
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* improved HCounter accuracy: fix graphic glitches in "Striker (Europe)"
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* improved HINT timing accuracy: fix flickering in "Zero The Kamikaze Squirrel (USA)"
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* improved rendering accuracy when backdrop color is modified during HBLANK (Road Rash I/II/III)
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* fixed broken Game Genie support
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[Gamecube/Wii]
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* added full horizontal scaling (up to 720 pixels) when using "stretch" aspect mode (use Xscale to increase width)
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* added progressive mode support (480p) in menu also
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* added automatic SRAM/FreezeState support (OFF by default, check "system options")
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* added automatic configuration file support
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* /genplus/saves is now automatically created if it does not exist
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* use libfat automatic SDCARD detection: default slot is now always used when accessing SDCARD
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* assigned Reset Button to Genesis Soft-Reset
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[Wii]
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* added automatic TV mode detection (from SYSCONF), no more PAL60 version needed
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* added option to return to Wii System Menu
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* fixed "TP reload" option: now compatible with HB channel
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* removed SD-Gekko support (Wii slot becomes default slot)
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* added Wii SD slot support for SRAM & FreezeState files
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* added Wiimote, Nunchuk & Classic controllers support through libwiiuse (see User Manual for default keys)
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* added customizable key mapping (for each configurations: wiimote only, wiimote+nunchuk or classic)
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Genesis Plus GX release 080419 (Eke-Eke)
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[Core]
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* modified VINT timings a little bit: fix lockup during Desert Strike's intro
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* corrected 68k interrupts handling: fix graphic glitches in Darius II/Sagaia
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[Gamecube/Wii]
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* fixed 60Hz "Bilinear" rendering mode (was broken in last release)
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* fixed issue with the 1st file when browsing SDCARD through SD-Gekko
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* fixed GX initialization: fix "freeze" issue that occured sometime when starting a game
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* added "Wii Reboot" option
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* added PAL 50hz support in menu (black borders)
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* added progressive rendering mode support (480p) in Wii mode (not supported by the PAL60 version, use the other one !)
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* compiled with a modified libogc: should definitely fix the PAL "red screen" issue for RGB-cable users (still use the PAL60 version !)
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Genesis Plus GX release 080406 (Eke-Eke)
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[Core]
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* updated SVP core: fix some perspective issues in Virtua Racing (thanks to Notaz)
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* added internal SAT update during VRAM Fill: fix unmasked sprites during Battletech's intro
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* fixed m68k core issues with gcc 4.2.3: fix Xperts, Lemmings 2, M1 Abrams Battle Tank
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* forced YM2612 Enveloppe update: fix intro music in Batman&Robin (thanks to Aamir)
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[Gamecube/Wii]
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* removed not working DVD features (Wii mode only)
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* fixed Timers with PAL roms
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* added EURGB60 TV mode support: fix "red screen" issue with PAL Wii when using RGB cable
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* added PAL50 TV mode support (PAL and NTSC roms), see video options
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* added "TP reload" option, use "System Reboot" (Wii mode only)
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* added Front SD rom loading support with LFN & subdirectory browsing (Wii mode only)
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Genesis Plus GX release 080301 (Eke-Eke)
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[Core]
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* added SVP emulation: Virtua Racing is now emulated (big thanks to Notaz and TascoDeluxe)
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* fixed VDP registers behaviour when VDP Mode 4 is enabled: fix Bass Masters Classic Pro, Captain Planet & The Planeeters
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* corrected a bug in DMA Fill operation: fix James Pond 3, Rockman World/Megaman Willy Wars (corrupted VRAM)
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* corrected typo errors in CPU cycle counters update: fix optiom screen music in "College Slam" and probably others games.
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* added preliminary support of undocumented YM2612 bug: fixes soundtracks of Shaq Fu, Spiderman, Comix Zone, Ariel and some others
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* added support for mappers & copy protection devices used in many unlicensed/pirate cartridges (see cart_hw.c for details)
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* rewrote memory handlers for better modularity and some (little) speedup
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* reduced Savestate size
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[Gamecube]
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* compiled with last LibOGC (20080228): fix issues when unplugging controller, support for Wii mode (see release.txt)
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* added "hard-coded" IPL font (no more direct access to BOOTROM): fix font problem for Qoob users
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* added SDCARD Slot B support for loading Roms
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* removed unused MAME PSG Core
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* added 'Force DTACK' option for prototype games usually hanging on real hardware (example: Sonic Crackers)
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* added an option to underclock SVP core (with default cycle count, Virtua Racing actually does not run fullspeed in GC mode)
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* fixed frame timing in PAL mode
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* fixed analog stick sensitivity
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Genesis Plus GX release 080107 (Eke-Eke)
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[Core]
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* fixed interleaved rom detection: roms with .smd extension should now work fine
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* fixed a recently introduced bug in VDP registers writes: fixes bad colors in Toy Story (intro)
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* updated list of games using EEPROM: added Sports Talk Baseball (internal memory check fixed) and Brian Lara Cricket
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* fixed VINT flag update when VINT is disabled: fixes NCAA College Football
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* adjusted DMA timings in H32 mode: fixes flickering in Out of this World, Kawasaki Superbike Challenge & Formula One
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* adjusted line rendering and HBLANK timings: fixes flickering in Nigel Mansell's World Championship Racing, Deadly Moves/Power Athlete
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* fixed unmapped ROM reads through Z80 Bank: fixes Zombie High (Proto)
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* added support for custom ROM/RAM mapping used by Game no Kanzume Otokuyou
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[Gamecube]
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* fixed broken SDCARD support for SRAM and Savestate files
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Genesis Plus GX release 071230 (Eke-Eke)
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[Gamecube]
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* fixed ROM injector base address (DATA section 1)
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Genesis Plus GX release 071228 (Eke-Eke)
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[Core]
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* many sourcecode cleanup and optimization
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* completely rewrote EEPROM emulation: now support all known EEPROM types (24C01-24C65) and mappers (Sega, Acclaim, EA, Codemasters)
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used in a few games (now use internal game database) as external RAM. This should at least fix save support in the following games:
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. NBA Jam (alternate Acclaim mapper)
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. College Slam, Frank Thomas Big Hurt Baseball (24C65 type)
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. NHLPA Hockey 93, Rings of Power (EA mapper)
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. Micro Machines serie, Brian Lara Cricket 96/Shane Warne Cricket (Codemasters mapper)
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* external RAM is now initialized to 0xFF by default: fix Micromachines 2, Dino Dini Soccer
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* fixed SRAM 16-bits memory handlers: fix some Sega Sports and EA Sports games (NFL95, NBA Action 95, NHL97, NHL98,...)
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* modified WRITE_xxx & READ_xxx macros for better portability and faster memory access on BIG ENDIAN platform
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* completely rewrote BIG ENDIAN support in render.c and vdp.c: rendering should be a little faster
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* rewrote ROM bankswitch emulation (Super Street Fighter II): ROM access are faster, using memory pointers instead of reading ROM copy from ARAM
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* fixed leftmost Window/PlaneA column render and implemented Window bug (as described by Charles Mc Donald)
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* improved "Sprite Limit" and "Sprite Collision" detection accuracy
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* modified RGB565 Color Palette to use the full available color range (0-31;0-63)
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* implemented "cycle accurate" HV Interrupt timings: fix Sesame's Street Counting Cafe, Legend of Galahad (intro)
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* improved VDP access timings accuracy (added FIFO emulation): fix Double Clutch
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* improved DMA timings accuracy: fix Winter Olympics (E), Arch Rivals and probably more
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* fixed HCounter again: Road Rash serie (I,II,III) don't need timing hacks anymore
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* fixed VCounter in Interlaced 2 mode: fix Combat Cars "VS-Mode"
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* improved Interlaced 2 mode (double resolution) rendering: Sonic 2, Combat Cars ("VS-Modes") look far better
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* added TMSS BIOS support (optional)
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* rewrote part of the YM2162 MAME's core: fixed internal FM timers handling, removed non-YM2612 emulation code and unused multiple cpu support
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* implemented "cycle accurate" FM timers & sound samples rendering
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* improved Z80 Interrupt timing accuracy: fix Sonic 3 music slowdowns
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* updated Z80 & 68000 cores to last MAME versions
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* improved Soft Reset emulation: X-Men 2 and Eternal Champions (random character selection) now work more like on real hardware.
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* added full overscan emulation (vertical & horizontal borders) for "pixel perfect" aspect ratio (tested against a real genesis)
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[Gamecube]
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* fixed rom checksum calculation (only used for rom information)
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* some modifications in GX rendering code.
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* added support for original Genesis/Megadrive NTSC & PAL video modes: this makes games looking exactly as on original hardware (progressive rendering with reduced resolution)
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* added "Aspect" option to switch between ORIGINAL (aspect ratio is fixed and borders are emulated) and MANUAL SET (horizontal and vertical scaling can be manually configured, borders are not emulated)
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* added "Overscan" option to disable the original borders color and always use black borders (only used when ORIGINAL Aspect mode is enabled)
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* added support for up to 720 pixels horizontal resolution (needed for proper aspect ratio emulation)
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* added "TV Mode" option to enable automatic switching to PAL(50Hz) TV mode when the Genesis runs in PAL mode
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* added "Xshift" & "Yshift" settings to let you adjust display area position while keeping the original aspect ratio
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* added option to disable/enable SSG-EG support in FM cores: this special mode is indeed not properly emulated and some games might sound wrong when enabled
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* removed "CPU Type" option, you can also now force Region (JAP/EUR/USA) without reseting the game, choose USA or JAP for 60hz, EUR for 50hz, this can be useful to bypass game region protection at startup.
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Genesis Plus GX release 070720 (Eke-Eke)
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[Core]
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* corrected TeamPlayer support: fix multiplayer in Gauntlet 4 (Sept. version), Pengo and a lot of others
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* added J-Cart support: enable multiplayer in Codemasters games (Pete Sampras, Micromachines games, Super Skidmarks)
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* added serial EEPROM autodetection: fix games with bad SRAM informations in header (NBA Jam TE)
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* added SVP faking: display 2D graphics in Virtua Racing (the game is however still unplayable)
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* added support for more internal IO registers: fixe some unlicensed games (Wisdom Tree games...)
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* added preliminary support for unmapped protection device: fix some unlicensed games with special built-in hardware (Squirell King, Lion King 2...)
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* added "Soft Reset" combo (in game, use L+Z triggers): this should be like pressing the RESET button on a real Genesis and this is required
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in some games to enable special features or even complete the game (ex: X-Men).
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[Gamecube]
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* added separate configuration for PortA/PortB inputs (GAMEPAD, MULTITAP or NONE, see Joypad Config): this let you setting
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PORTB as unplugged, which is needed in some games to access special modes or enable cheat codes (Alien Storm, X-Men...)
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* Freezestate & SRAM files are now compressed (using zlib)
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* FreezeState & SRAM files can now be saved/loaded to/from SDCARD: located in /genplus/saves/ from the root of your SDCARD
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* changed initial ROMS directory for SDCARD user: now looking for /genplus/roms/ from the root of your SDCARD
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* added user-transparent SRAM autoload (detection order is MCARD then SDCARD, SLOTA then SLOTB)
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* "System reboot" is now used for console reboot and SD/PSO reload (if detected)
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* added new font: now use original IPL font, extracted from Bootrom
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* modified controls when going into the rom selection menu (DVD or SDCARD):
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. use B button to go up one directory
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. use Z button to quit the file selection menu
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. use L/R triggers to go down/up one full page
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. use Left/Right buttons or Analog stick to scroll the selected entry's filename when it can't be full displayed
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* various menu rearrangment, minor bugfixes & sourcecode cleanup
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Genesis Plus GX release 070621 (Eke-Eke)
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[Core]
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* added Multitap support (EA 4-Way Play and Sega Teamplayer): allowed up to four players in games supporting those peripherals
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* added partial Sega Menacer lightgun support: automatically set when detecting the 6-in-1 Menacer game
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[Gamecube]
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* added 4.7GB DVD support for WII drives (the maximal allowed size for Gamecube DVD is still 1.35GB)
|
|
* removed MPAL video timings, always use 60Hz NTSC: fix display problems for PAL wii users (no more PAL50 version needed)
|
|
* added Console Reboot option in main menu (IPL Reboot)
|
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---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX release 070518 (Eke-Eke)
|
|
---------------------------------------------------------------------------------------------------------
|
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|
[Core]
|
|
|
|
* you can now switch between FM cores without reseting the game. FM registers value are automatically restored when switching.
|
|
* removed the previous VINT timings modification because it brokes some games (Rocket Knight, Thunderforce III,...)
|
|
* added automatic Timing configuration (VDP latency, VINT timing & alternate Line Timing) at game loading, based upon specific romname detection.
|
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This means you can still modify some of these options afterwards but they are now automatically set/unset when loading a game which need
|
|
special timing fixes. These fixes are also automatically desactivated when the current game doesn't need them.
|
|
For information, games that are actually detected and need special timings to run properly are:
|
|
.Legend of Galahad & Road Rash series (single line not rendered properly)
|
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.Sesame Street Counting Cafe (don't boot)
|
|
.Chaos Engine/Soldiers of Fortune (graphic glitches on scrolling)
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|
|
|
[Gamecube]
|
|
|
|
* modified PAL framesync a little bit: the 20ms period is now applied between the start of 2 consecutive frames,
|
|
no more between the end of the previous and the start of the next one, which seems more correct to me
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX release 070508 (Eke-Eke)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Core]
|
|
|
|
* VINT timings are now a little more accurate: fixes Sesame's Street Counting Cafe
|
|
* SN76496 MAX_OUTPUT back to normal
|
|
* modified FB_WNOISE value in SN76496 core according to John Kortink's last informations
|
|
* added support for Maxim's PSG core, same as used in SMSPLUS (it becomes the default PSG core)
|
|
* updated FM core to the latest MAME version
|
|
* corrected DAC output level (fixes voices and some special FX being too low)
|
|
* added support for Gens YM2612 (FM) core (MAME's one still remains default FM core)
|
|
|
|
[Gamecube]
|
|
|
|
* corrected L & R buttons assignment: fixes Genesis X & Z buttons being inverted
|
|
* added configurable preamplification for each sound cores (see Emulator Options)
|
|
* added some other configurable sound options (boost overall volume, FM improvment for Gens YM2612)
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX release 070411 (Eke-Eke)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Core]
|
|
|
|
* corrected MAX_OUTPUT value in SN76496 core: fix PSG sound (SFX) volume
|
|
* removed unused sound buffer allocation
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX release 070326 (Eke-Eke)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Gamecube]
|
|
|
|
* added DVD automount: automatically call libogc DVD_Mount function if ISO PVD reading failed (idea taken from softdev's last neocdredux release). This may be useful for loading roms from a DVD after booting from SDLOAD or after stopping DVD motor.
|
|
* added "DVD motor off" feature, like in others emulators
|
|
* corrected Memory Card mounting function: EXI_ProbeReset() function was never called if the first mounting attempt failed. Should fix some of the "Unable to mount memory card" errors.
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX release 070322 (Eke-Eke)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Gamecube]
|
|
|
|
* added SDCARD subdirectory browsing and LFN (255 char. max) support
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX release 070317 (Eke-Eke)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Core]
|
|
|
|
* Color RAM update now always reset color 0 to border color (fix color glitches in Mortal Kombat,...) (thanks to Noop's for the idea)
|
|
|
|
[Gamecube]
|
|
|
|
* remove some rendering unused code (only used by DOS version of genesis plus) for little speedup
|
|
* added an option to enable alternate line rendering timing (fix single line error in Road Rash series and Legend of Galahad's Intro)
|
|
* added last Softdev's modifications (normalised memory access and ASM GU functions used intead of 'C' ones) for some speedup
|
|
* updated gcaram.c to be compatible with last libogc version
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX release 070309 (Eke-Eke)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Core]
|
|
|
|
* little rendering code speedups
|
|
* modified HV counter tables (fix graphic glitches in Skitchin's sky, Lotus 2 Recs, Panorama Cotton, Dashin Desperados & maybe more)
|
|
* completely rewrote DMA timings emulation so that it works for all games (no more cpu freezing)
|
|
* added all DMA tranfer rates handling for each three DMA modes and added dma busy flag emulation
|
|
* modified interrupts handling on VDP register #0 and #1 writes (fix Lemmings status bar)
|
|
* added VDP RAM write latency (fix Chaos Engine/Soldier of Fortune gfx glitches)
|
|
* modified FM timers handling a bit (fix Vectorman2 music)
|
|
* corrected Sprite Limit rendering (fix Sonic 1 & Micromachines 2 title screens)
|
|
* corrected IO Registers writes (fix Decap' Attack controls, no more need for alternate input)
|
|
* corrected 6 Buttons Pad emulation (fix 6buttons detection in Mortal Kombat 3, Comix Zone and other 6-buttons compatible games)
|
|
* modified sound mixing a bit according to Generator sourcecode (FM and PSG ratios seems more correct)
|
|
* added separate CPU Region (USA, Europe, Japan,...) & Speed (PAL or NTSC) choice in menu options
|
|
* modified main frame synchro in PAL mode (fix sound glitch in this mode), thanks to Softdev for the solution
|
|
* added savestates support (go to SRAM menu, memory card supports only)
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX release 070207 (Eke-Eke)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Core]
|
|
|
|
* fm timers fixed (fix missing music in Castle of Illusion, Quackshot, Undead Line, Wonderboy in Monster Lair, Cal 50, Turbo Outrun, Thundeforce 4 and maybe more)
|
|
* added complete EEPROM emulation (save support now works fine in Wonderboy5, Megaman Willy Wars, NBA Jam...) (credits to Notaz, adapted from Picodrive code)
|
|
* added preliminar dma timing emulation (fix bottom screen in Legend of Galahad) (credits to Notaz, adapted from Picodrive code)
|
|
* hack: clear Vint pending after Hint (INT level 4) acknowledge (fix Fatal Rewind)
|
|
* hack: modify read_bus16 to return a random value (fake fetch) (fix Time Killers)
|
|
* modified cpu execution timings, with more correct hblank and interrupts timing (fix ISS Deluxe, Double Dragon 2 and certainly more) (Based on Gens code)
|
|
* modified busreq mechanism: better synchro between z80 & 68k (no need to dejitter anymore) (Based on Gens code)
|
|
* added sprite collision detection (fix Strider 2)
|
|
* modified dma fill operation for big endian platform (fix Contra Hardcorps gfx garbage)
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX WIP 1.2 (Softdev)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Gamecube]
|
|
|
|
* Added partial zip support (unzip.c)
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX WIP 1.1 (Softdev)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Core]
|
|
|
|
* sio.c added
|
|
* Added six button pad support from x86 Gens
|
|
* Additional changes based on Charles MacDonald's gen-hw.txt
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX WIP 1 - 7 March 2006 (Softdev)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Core]
|
|
|
|
* Updated SN76496 driver
|
|
|
|
[Gamecube]
|
|
|
|
* Added GX Hardware Scaling
|
|
|
|
|
|
|
|
---------------------------------------------------------------------------------------------------------
|
|
Genesis Plus GX WIP 0 (Softdev)
|
|
---------------------------------------------------------------------------------------------------------
|
|
|
|
[Gamecube]
|
|
|
|
* initial port based on Genesis Plus 1.2a from Charles McDonald (http://cgfm2.emuviews.com/)
|