From 574a5891a3612754c9e834bc40b9e7543ec8f122 Mon Sep 17 00:00:00 2001 From: EkeEke Date: Sun, 8 Sep 2013 17:27:42 +0200 Subject: [PATCH] added HISTORY.txt and LICENSE.txt --- HISTORY.txt | 1023 +++++++++++++++++++++++++++++++++++++++ LICENSE.txt | 621 ++++++++++++++++++++++++ README.md => README.txt | 0 3 files changed, 1644 insertions(+) create mode 100644 HISTORY.txt create mode 100644 LICENSE.txt rename README.md => README.txt (100%) diff --git a/HISTORY.txt b/HISTORY.txt new file mode 100644 index 0000000..8e63db4 --- /dev/null +++ b/HISTORY.txt @@ -0,0 +1,1023 @@ +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.7.4 (21/06/2013) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core/SCD] +--------------- +* fixed access to read-only registers on Main-CPU side ("Batman Returns" platform level freeze) +* fixed & improved emulation of PRG-RAM write protection register ("Lunar Eternal Blue" japanese version freeze) +* improved SUB & MAIN-CPU synchronization ("Dracula Unleashed" freeze when using US Model 2 BIOS) +* improved CPU polling detection +* improved CDD emulation & added CD drive access time for SEEK command ("Panic!/Switch" intro missing scene) +* added missing reinitialization of MAIN-CPU PRG-RAM bank on reset +* added .OGG audio tracks support through LIBTREMOR + +[Core/Sound] +--------------- +* fixed YM2612 configurable DAC depth emulation +* improved Low-Pass filter +* added optional "MONO" output mode + +[Core/VDP] +--------------- +* fixed FIFO access timings when using invalid write code value ("Clue" menu) +* fixed DMA Copy with undocumented code value ("Fatal Labyrinth" end sequence) +* minor code fixes & optimizations + +[Core/CPU] +--------------- +* optimized 68k stack read/write functions +* fixed broken 68k address error emulation +* fixed 68k interrupt behavior (prevents interrupts from being executed multiple time when 68k is halted) +* fixed Z80 registers initial state, added proper initialization when using PBC (verified on real hardware by Charles McDonald) + +[Core/MD] +--------------- +* fixed SRAM incompatibilities between BIG ENDIAN & LITTLE ENDIAN platforms (note: this breaks old .srm files with LITTLE ENDIAN platform ports) +* added support for a few recently dumped unlicensed games +* added auto-detection of byte-swapped ROM files + +[Gamecube/Wii] +--------------- +* fixed CD Leds positioning when using NTSC filter +* improved on-screen CD Leds (thanks to Iceknight) +* various code fixes & improvements + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.7.3 (26/11/2012) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Gamecube/Wii] +--------------- +* fixed broken input system initialization + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.7.2 (24/11/2012) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core/SCD] +--------------- +* added default TOC for Shadow of the Beast II (prevent hangs when audio tracks are missing) +* fixed CD-DA fader muting +* fixed PCM channels panning on reset +* fixed backup RAM file management when using disc swap with Mode 1 cartridge +* incremented CD drive read latency: fixes Space Adventure Cobra (freeze when opening coffin at 2nd morgue scene) +* improved CDD emulation accuracy: fixes Snatcher (freeze at the end of Act 2) & various CD player bugs +* improved MAIN-SUB memory map mirroring in SCD mode (verified on real hardware by Charles McDonald) +* implemented cycle-accurate "stopwatch" register emulation + +[Core/Sound] +--------------- +* fixed broken PSG noise frequency +* fixed incorrect Game Gear PSG stereo emulation +* implemented cycle-accurate Game Gear PSG stereo + +[Core/VDP] +--------------- +* fixed broken VDP DMA from SVP ROM latency (graphic errors in Virtua Racing) + +[Core/MD] +--------------- +* added Super Mario World 64 (unlicensed) cartridge hardware emulation + +[Core/Input] +--------------- +* added automatic detection for CD games with Justifier/Menacer support +* improved Justifier/Menacer emulation + +[Gamecube/Wii] +--------------- +* fixed screen rendering when borders are disabled +* added configurable on-screen CD leds + +[Wii] +--------------- +* DVD light now indicates when virtual CD tray is open +* fixed automatic input settings detection +* improved lightgun crosshair positionning + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.7.1 (13/10/2012) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core/SCD] +--------------- +* added support for CUE files +* added CD-DA tracks emulation (needs CUE+BIN or ISO+WAV images) +* added CD fader emulation +* added CDD "Fast FW" & "Fast RW" commands emulation +* improved CDD TOC emulation (random freezes in Sonic CD, Switch/Panic, Final Fight CD and probably many others) +* improved PCM chip synchronization with SUB-CPU (missing speeches in Willy Beamish) +* fixed PCM chip emulation (random hangs in Snatcher, missing sound effects in Switch/Panic, Final Fight CD, Wonderdog...) +* fixed Word-RAM memory mode on soft-reset (missing logo gfx effects) +* fixed SUB-CPU access to unused areas when using PC-relative instructions (Final Fight CD first boss random crash) +* fixed CPU idle loop detection on memory mode register access (Pugsy CD first boss slowdown) +* fixed Mode 1 emulation (cartridge boot mode) + +[Core/Sound] +--------------- +* replaced FIR resampler by Blip Buffer for FM resampling +* modified SN76489 core for use of Blip Buffer +* improved PSG & FM chips synchronization using Blip Buffer +* added Game Gear PSG stereo support +* fixed SG-1000 specific PSG noise +* fixed YM2612 LFO AM waveform (California Games surfing event) +* fixed YM2612 phase precision +* minor optimizations to YM2612 core + +[Core/Game Gear] +--------------- +* added support for CJ Elephant Fugitive (recently released by SMS Power) +* added Game Gear extended screen option + +[Core/Genesis] +--------------- +* added support for a few recently dumped (but unreleased) games + +[Core/General] +--------------- +* improved ROM & CD image file loading +* various code cleanup + +[Gamecube/Wii] +--------------- +* added automatic disc swap feature +* removed automatic frameskipping (no use) +* improved general audio/video sync +* various code cleanup & bugfixes + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.7.0 (01/07/2012) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core/SCD] +--------------- +* added Mega CD / Sega CD hardware emulation (incl. Sub 68K, CDD, CDC, PCM, GFX rotation/scaling, etc) +* added .ISO & .BIN CD image file support +* added 512K backup cartridge RAM support +* added savestate support for CD games + +NOTES: +~~~~~~ +* to play CD games, original BIOS ROM files are required in /genplus/bios/ directory: unzip & rename them to bios_CD_U.bin, bios_CD_E.bin, bios_CD_J.bin +* CD audio tracks (CD-DA) are not supported (yet) + +[Core/CPU] +--------------- +* modified 68k core for Mega CD / Sega CD support +* optimized 68k core using prebuild const tables + +[Core/VDP] +--------------- +* improved DMA accuracy +* improved accuracy of nametables register & VSRAM writes during HBLANK: fixes "The Adventures of Batman & Robin" (graphical issues during 2nd Boss fight). +* added support for 8-bit VRAM writes with undocumented code value (verified on real hardware by Nemesis) + +[Core/Sound] +--------------- +* improved synchronization between SN76489 & YM2162 cores. +* improved accuracy of SN76489 core timings. + +[Core/MD] +--------------- +* added support for some recently dumped unlicensed games. +* improved emulation of 32k bankswitch hardware used by a few unlicensed games. +* fixed behavior of Z80 banked reads from 68k RAM (verified on real hardware). +* fixed support for 128K Pro Action Replay ROM. + +[Core/MS] +--------------- +* added support for all recent korean ROM dumps by SMS Power. +* added emulation of korean multi-game mapper (4-Pak All Action) +* added pseudo-random RAM pattern initialization on Mark-III and Japanese Master System (fixes "Alibaba and 40 Thieves" & "Block Hole") +* added port $3E emulation & internal BOOTROM support (Master System & Game Gear only). + +[Core/General] +--------------- +* added an option to set VDP mode (PAL/NTSC) independently from console region. +* added an option to select original system master clock frequency (PAL/NTSC/AUTO), emulation will run at selected frequency when VSYNC is disabled. +* fixed 68k context loading/saving (Sol Deace). +* fixed C89 incompatibilities for better portability. +* removed use of "long int" type for portability on 64-bit platforms. +* moved savestate zlib compression out of emulation core (for ports that don't use it). +* various optimizations. + +[Gamecube/Wii] +--------------- +* removed ROM load device selection from Load Menu: default ROM device must now be configured in menu settings. +* added specific load buttons, browsers & saved paths for each systems, this also fixes slowdowns caused by screenshot loading when browsing from slow devices. +* added support for left/right buttons as page up/down keys in ROM browsers +* added right analog stick as default "return to menu" key for Gamecube controllers +* added alternate remappable menu key combo for Gamecube controllers +* added an option to disable VSYNC (emulator is synced with audio hardware instead of video). +* added an option to boot system from "BIOS", with or without cartridge. +* added Master System & Game Gear "BIOS" support (files should be named bios_U.sms, bios_J.sms, bios_E.sms & bios.gg and copied to /genplus/bios directory). +* replaced "Hard Reset" button by a Soft Reset for systems having a Reset button (Mega Drive / Genesis & Master System) +* State & SRAM files are now only compressed when saving to Gamecube Memory Cards +* various fixes & cleanup. +* compiled with devkitPPC r26 & libogc 1.8.11. + +[Gamecube] +---------- +* improved progressive mode support when component cable is detected (hold B during startup to switch menu video mode configuration) + + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.6.0 (07/08/2011) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core/Sound] +--------------- +* added YM2413 emulation in Master System compatibility mode. +* fixed SN76489 noise boost initialization. +* minor YM2612 core optimizations. + +[Core/VDP] +--------------- +* added accurate emulation of SG-1000, Master System (315-5124, 315-5246) & Game Gear VDP. +* added support for all TMS9918 rendering modes. +* improved Mega Drive VDP timings accuracy in Master System Compatibility mode. +* fixed color palette initialization. +* fixed shifted sprites rendering in Mode 4. +* modified pixel rendering support (pixel depth is now forced at compilation time). + +[Core/CPU] +--------------- +* optimized 68k core (rewrote 68k interrupt handling, removed multiple CPU types support & unused code) for 5~8% speed improvment + +[Core/IO] +--------------- +* added accurate emulation of Master System (315-5216, 315-5237, 315-5297) & Game Gear I/O controllers. +* added Terebi Oekaki tablet emulation. +* improved Mouse emulation (fixes mouse support in Cannon Fodder). +* improved Justifier emulation (fixes gun support in Lethal Enforcers 2). +* improved 6-Buttons control pad emulation (fixes Duke Nukem 3D) +* modified lightgun emulation to use common key inputs for all devices. +* 2-buttons controller is now picked by default for Master System games. + +[Core/MD] +--------------- +* added copy-protection hardware emulation for some new dumped games (Tiny Toon Adventures 3, Mighty Morphin Power Rangers & The Battle of Red Cliffs). +* added Game Toshokan in EEPROM database (verified on real cartridge). +* fixed Micro Machines 2 - Turbo Tournament EEPROM size (verified on real cartridge). +* modified SRAM banswitch hardware emulation to be more compatible with some hacks. + +[Core/MS] +--------------- +* added Cyborg Z to Korean mapper database. +* +[Core/GG] +--------------- +* added 93C46 EEPROM emulation (Majors Pro Baseball, World Series Baseball & World Series Baseball 95). + +[Core/General] +--------------- +* added support for .mdx ROM format. +* added Game Gear & SG-1000 ROM support. +* added accurate emulation of SG-1000, Master System (I, II) & Game Gear hardware models for 100% compatibility. +* updated to new Genesis Plus license (see http://cgfm2.emuviews.com/) +* various code cleanup. + +[Gamecube/Wii] +--------------- +* IMPORTANT: cheats, screenshots & save files are now stored in console-specific directories (ex: /snaps/md, /cheats/ms, /saves/gg, ...) +* added 8-bit Action Replay & Game Genie codes support (for Master System & Game Gear games). +* improved audio/video synchronization for PAL games in 50Hz TV modes (now use VSYNC like NTSC games in 60hz modes). +* improved gun cursor positioning accuracy. +* improved horizontal scaling & screenshots rendering in H32 mode. +* fixed a bug with ROM file extension handling that would affect cheats, snapshots, sram & savestate files. +* removed ARAM/injected ROM support (unused). +* removed WPAD_ and PAD_ update from VSYNC callback. +* increased GCC inlining limits for some speed improvment. +* compiled with devkitPPC r24 & libogc 1.8.7. + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.5.0 (31/03/2011) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core/VDP] +--------------- +* added support for Master System compatibility mode (Z80 ports access mode), incl. Mode 5 rendering. +* added Mode 4 rendering for both Genesis & Master System modes. +* added alternate BG planes rendering functions (should be faster on PPC architectures). + +[Core/IO] +--------------- +* added support for Master System compatibility mode (Z80 ports access mode). +* added Master System peripherals emulation (Control Pad, Paddle, Sports Pad & Light Phaser). +* added XE-1AP (analog controller) emulation. +* added Activator emulation. + +[Core/Extra] +--------------- +* added support for all known Master System cartridge mappers. +* added copy-protection hardware emulation for a few MD unlicensed games: fixes 777 Casino (crash when talking to bunny girls). +(NB: most of those unlicensed games seem to have been already patched by ROM dumpers, main purpose is documenting them) +* added support for Top Shooter arcade board controller. (A=Shoot, B=Bet, C/RIGHT=Coins, START=Start, hold UP on startup to enter service mode) +* improved King of Fighters 98 mapper emulation (registers address decoding is now 100% accurate) +* fixed Game Genie when several codes affect same ROM address. +* fixed EEPROM types for Brian Lara Cricket & NBA Jam TE (verified on real cartridges) + +[Core/General] +--------------- +* added Master System compatibility mode emulation (automatically enabled when loading ROM file with .sms extension). +* improved savestate stability & compatibility (support for old 1.4.x savestates is preserved) +* various code cleanup & comments. + +[Gamecube/Wii] +--------------- +* fixed cheat codes handling when several codes affect same ROM address. +* improved input controller detection on menu exit. +* improved key remapping dialog box to match emulated device +* changed Menu key for Gamecube controller to allow MODE button mapping +* fixed DVD not being unmounted on swap (memory leak) + +[Wii only] +--------------- +* added USB mouse support for Sega Mouse emulation +* compiled with latest libogc: improves USB compatibility & fixes stability issues with Wiimotes. + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.4.1 (04/12/2010) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core/VDP] +--------------- +* improved VBLANK flag accuracy, as observed on real hardware. +* improved DMA operations accuracy, writes are now performed on a scanline basis: fixes Gaiares (flickering title screen). +* improved DMA Fill timing accuracy. +* fixed DMA with bad code values: fixes Williams Arcade Classics (corrupted gfx after soft reset). +* fixed horizontal resolution changes during HBLANK: fixes Bugs Bunny in Double Trouble (2nd stage). +* fixed Vertical Counter in interlace mode 1, as observed on real hardware. +* fixed horizontal border width, as observed on real hardware. +* various code improvments & optimizations. + +[Core/Extra] +--------------- +* improved savestate format: added DMA, SVP, cartridge mapping & internal registers state informations +* improved unlicensed ROM mappers emulation +* added Chinese Fighters III mapper support +* added Top Fighter mapper support +* fixed Barver Battle Saga mapper support +* fixed cartridge hardware soft-reset (Game Genie, SVP, ...) +* fixed Game Genie registers byte reads + +[Gamecube/Wii] +--------------- +* added message box when inputs config uses disconnected controllers. +* added message box when settings are reseted to default on startup. +* fixed default inputs configuration. +* fixed memory leak in Cheat Menu causing spurious resets. +* added an option to enable/disable automatic cheat activation +* increased max number of cheat codes +* optimized cheat codes requiring RAM patching. +* improved default horizontal scaling to better match output from a real Mega Drive + +[Gamecube specific] +--------------- +* fixed inverted keys in cheat menu. +* fixed audio input frequency, now use exact audio hardware samplerate, as measured on my Game Cube (~48044 Hz), + (NB: Wii samplerate has been verified to be closer to 48000 Hz) + +[Wii specific] +--------------- +* added the possibility for any wiimotes to be used as input device, regardless of the connected expansion controller. +* fixed USB drive not being detected when application is loaded from USB (HBC), thanks to Tantric for the tips. + + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.4.0 (01/11/2010) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core/Sound] +--------------- +* completely rewrote sound processing/mixing: sound chips are now clocked with exact output framerate +to ensure 100% smooth video & audio playback, with no lag or skipping, while rendering an accurate number +of samples per frame and keeping PSG & FM chips in sync. +* improved PSG & FM chips synchronization with CPU execution (fixed point precision). +* improved YM2612 core general accuracy (SSG-EG, CSM mode,...) (based upon Nemesis recent tests on real hardware) +* improved YM2612 LFO emulation accuracy: fixes "Spider-Man & Venom : Separation Anxiety" (intro) +* fixed YM2612 bug with Timer B: fixes "Langrisser Hikari II"/"Der Langrisser II" (Sega logo) +* fixed YM2612 context saving/loading. +* fixed YM2612 state on reset. +* removed outdated & less accurate Gens YM2612 core +* added configurable YM2612 DAC resolution emulation. +* added configurable & faster FIR resampler (thanks to Blargg & AamirM), removed libsamplerate support. +* added configurable Low-Pass filtering +* added configurable 3-Band Equalizer (thanks to Neil C). +* added an option to boost SN76489 Noise Channel. +* adjusted SN76489 cut-off frequency. +* implemented Blargg's blip buffer in SN76489 core (all channels are now lineary interpolated) + +[Core/VDP] +--------------- +* added support for CRAM writes during horizontal blanking (Striker, Zero the Kamikaze Squirrel,...) +* added support for 2-Cell vertical scrolling in Interlaced 2 mode +* added support for some undocumented mode register bits +* added proper emulation of HV Counter latch: fixes Sunset Riders intro +* added pixel-accurate emulation of mid-line display on/off (Nigel Mansell World Championship PAL, Ren & Stimpy's Invention PAL,...) +* improved 2-cell vscroll emulation accuracy, as verified on real hardware (Gynoug, Cutie Suzuki no Ringside Angel, Formula One, Kawasaki Superbike Challenge) +* improved FIFO timings accuracy: fixes Sol Deace intro +* improved sprite masking accuracy (thanks to Nemesis for his test program) +* improved sprites processing accuracy: fixes (un)masked sprites in Mickey Mania (3D level), Sonic 2 (VS mode). +* improved HBLANK flag timing accuracy: fixes Mega Turrican (Sky level) +* improved horizontal blanking & HINT/VINT occurence timing accuracy, as measured on real hardware. +* improved HCounter accuracy in 40-cell mode, as measured on real hardware. +* improved color accuracy in VDP highlight mode to match results observed on real hardware + +[Core/CPU] +--------------- +* updated Z80 core to last version (fixes interrupt Mode 0 timing and some BIT instructions). +* fixed some Z80 instructions timing. +* fixed state of Z80 registers on reset (sound issues with Defender & Defender 2 in Williams Arcade Classics) +* improved Z80 interrupt accuracy +* improved 68k accuracy (initial Reset timing + auto-vectored interrupts handling). +* improved 68k timing accuracy for DIVU/DVIS (thanks to Jorge Cwik) & MULU/MULS instructions. +* implemented 68k undocumented flags behavior for DIVU/DIVS instructions (Bloodshot / Battle Frenzy) +* improved Z80 & 68k cpu execution/synchronization accuracy by using Master Clock as common reference (now run exactly 3420 M-Cycles per line). +* modified Z80 & 68k cores to directly use external cycle count instead of intermediate counters. + +[Core/Extra] +--------------- +* added Game Genie hardware emulation. +* added Action Replay & Pro Action Replay hardware emulation (only preliminary Pro Action Replay 2 support). +* added Sonic & Knuckles "Lock-On" support. +* added Cartridge "Hot Swap" feature. +* added missing EEPROM support in more games. +* added VDP lock-out emulation (TMSS). +* improved emulation of copy-protection hardware found in some unlicensed cartridges (Mulan, Pocket Monsters II). +* fixed Realtec mapper emulation: fixes missing sound in Balloon Boy / Funny World. +* fixed lightgun auto-detection: fixes default cursor position in Lethal Enforcers II. +* enabled simultaneous use of multitap & J-CART (Super Skidmarks 6-player mode) +* lots of code cleanup, bugfixes & optimization. + + +[Gamecube/Wii] +--------------- +* implemented custom FONT engine (uses internal IPL font & GX hardware rendering). +* implemented custom GUI engine (uses GX hardware rendering & multithreading) +* implemented advanced menu interface (IR pointing, game snapshots, cheats & saves manager, visual & sound effects, BGM support, etc). +* improved audio/video synchronization to ensure 100% smooth video & audio playback. +* improved soft-reset button support, now works more like real Mega Drive / Genesis (model 1) reset button. +* improved lightgun cursors layout. +* added automatic ROM loading feature (last played game launches immediately when starting the emulator) +* added PAR codes and .pat files support +* fixed lot of stability issues and potential memory leaks. + +[Wii specific] +--------------- +* added Video Hardware "Gamma" control +* added Video Hardware "Trap Filter" control +* improved Mouse emulation through Wii remote +* compiled with devkitPPC r22 & libOGC 1.8.5 (includes SDHC & USB2 support through IOS58, removes DVDX support) + + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.3.1 (20/12/2008) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Gamecube/Wii] + +* improved sound engine +* modified frame synchronization (now use audio DMA interrupt) + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX 1.3.0 (14/12/2008) (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* YM2612 bugfixes (MAME core): + .fixed EG Decay->Substain transition when SL & DR are minimals: fix tracks #3 and #9 in "Mega Turrican" + .fixed a bug in SSG-EG emulation code: fix Level 1 music in "Alisia Dragoon" + .modified SSG-EG Decay End Level: fix some sound effects (ChainSaw, Zap...) in "Beavis & Butthead" + .improved Detune overflow accuracy: fix very high frequency sounds in many games + .fixed registers 0x20-0x26 Reset state: fix intro music in "B.O.B" + .reverted incorrect fix with KEY ON: fix "Flamethrower" sound effect in "Alien 3" and many others +* adjusted HCounter values: fixes line flickering in "Sonic 3D" bonus stage +* adjusted VINT timing: fixes hang-up in "V.R Troopers" +* improved HBLANK flag accuracy: fixes line flickering in "Gouketsuji Ichizoku" +* fixed broken Z80 access to WRAM: fixes hang-up in "Mamono Hunter Youko" +* modified JCART emulation: fixes corrupted tracks logo in "Micro Machines 2" +* added Blargg's NTSC Filters support (NTSC video artifacts emulation) +* optimized VDP rendering core, rewrote 68k interface (memory handlers, cycle execution, interrupts): greatly improved emulation speed + +[Gamecube/Wii] + +* remove slowest libsamplerate settings under "HQ YM2612" option, only keeps SRC_LINEAR (faster) and SRC_SINC_FAST (better) +* added an option to enable/disable bilinear filtering +* rewrote video engine: improved horizontal scaling (VI+GX), improved rendering speed (direct texture mapping) +* removed embedded font, (re)enabled IPL font support: now should works for Qoob users too (thanks to emukiddid) +* fixed "Reset" button behavior, now acts more like Genesis Reset button ;-) +* patched libfat for faster SDCARD accesses (thanks to svpe) +* SRAM and SaveState filenames are now based on the ROM filename (for FAT devices only) +* various bugfixes, menu tweaks and code cleanup + +[Gamecube] + +* added 480p support in menu + +[Wii] + +* implemented fast scrolling in menu using Wiimote D-PAD +* added "Power" button support +* added USB Storage support +* Widescreen menu fix +* *new* libogc 1.7.0 features: SDHC support, Wiimote shutdown button support + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 080826 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* YM2612(MAME): fixed LFO phase update for CH3 special mode: fix sound effects in Warlock & Aladdin (thanks to AamirM) +* YM2612(MAME): fixed EG attenuation level on "KEY ON": fix Ecco 2's splash sound +* YM2612(MAME): fixed SSG-EG emulation: fix Bubba'n Stix (Track 5) and many others +* YM2612(MAME): replaced sample interpolation with libsamplerate support, High Quality mode is now more accurate +* implemented cycle-accurate HINT timings: every timing sensitive games/demos are now *finally* working fine +* fixed a bug affecting CRAM/VSRAM DMA timings +* fixed Sprite Attribute Table address mask for VRAM writes +* improved accuracy of 68k access to Z80: fix music in Pacman 2 when entering PAUSE menu +* disabled "Address Error" emulation when UMK3 hack is loaded: fix game crashing after a round ends up +* added support for some more unlicensed games: Pocket Monster, King of Fighter 98, Soul Blade (credits to Haze) +* improved Menacer emulation: fix lightgun support in Body Count & T2: The Arcade Game +* added Konami Justifier emulation: fix lightgun support in Lethal Enforcers 1 & 2 +* added Sega Mouse emulation (Populous 2, Body Count, Shangai 2, Fun'n Games, ...) + +[Gamecube/Wii] + +* added Wiimote support for Menacer/Justifier/Mouse +* added DVD support in Wii mode (no modchip required) +* added "Gun cursor" option to enable/disable gun position display +* added "Invert Mouse" option to invert Sega Mouse vertical axe (required by some games) +* improved Controller options: Wiimote/Nunchuk and Classical Controllers can now be affected separately to ANY player + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 080716 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* adjusted (again) HINT timings: fix Double Dragon 2 (game freezed), hopefully does not break anything else +* fixed broken EEPROM support for Codemaster games +* modified input update timings: fix Dungeons & Dragons * Warriors of the Eternal Sun (thanks to Notaz) +* added support for "Ultimate Mortal Kombat Trilogy" hack (max. size supported is 10MBytes) +* added (VERY) preliminar support for PICO roms (credits to Notaz for his documentation) +* improved YM2612 emulation (credits to Nemesis for his tests on real hardware): + .implemented phase overflow emulation: improved fix for special music instrument used in Comix Zone, Flashback, Ariel, Shaq Fu... + .improved SSG-EG emulation in MAME core (also based on additional code from Alone Coder) + .improved Timers emulation accuracy + .improved Enveloppe Generator accuracy + .fixed Channel 3 CSM mode emulation + .implemented sample interpolation in MAME core to emulate the chip at original frequency (HQ YM2612 mode, from gens) + +[Gamecube/Wii] + +* added automatic alphabetical filesorting (Marty Disibio) +* added ROM History for faster ROM access (Marty Disibio) +* fixed a silly input bug in "ROM Infos" & "Game Genie" menus +* modified "Hard Reset" option +* improved display sharpness in original rendering mode (H40 cell mode only), filtering is now completely disabled +* enabled overscan emulation in "STRETCH" aspect mode also +* added support for horizontal wiimote handling in Menu (automatically used when the wiimote is not pointed towards the screen) +* improved Controller options + .prevented keys reconfiguration if device is not detected + .added support for up to 8 players (ISS Pro Deluxe, ...) + .each player can be affected to a custom device (GAMECUBE Pad, WIIMOTE/NUNCHUK or CLASSIC) + .added the ability to use classic controller & wiimote pad from the same port separately + .modified "soft-reset" key on the Wiimote to avoid "accidental" resets (now press Buttons + & * simultaneously) + .added MODE button mapping: use "START+Z" on gamepad or "Button Minus" on wiimote/classic (not reconfigurable) + .added automatic configuration save for controller options + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 080601 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* improved HCounter accuracy: fix graphic glitches in "Striker (Europe)" +* improved HINT timing accuracy: fix flickering in "Zero The Kamikaze Squirrel (USA)" +* improved rendering accuracy when backdrop color is modified during HBLANK (Road Rash I/II/III) +* fixed broken Game Genie support + +[Gamecube/Wii] + +* added full horizontal scaling (up to 720 pixels) when using "stretch" aspect mode (use Xscale to increase width) +* added progressive mode support (480p) in menu also +* added automatic SRAM/FreezeState support (OFF by default, check "system options") +* added automatic configuration file support +* /genplus/saves is now automatically created if it does not exist +* use libfat automatic SDCARD detection: default slot is now always used when accessing SDCARD +* assigned Reset Button to Genesis Soft-Reset + +[Wii] + +* added automatic TV mode detection (from SYSCONF), no more PAL60 version needed +* added option to return to Wii System Menu +* fixed "TP reload" option: now compatible with HB channel +* removed SD-Gekko support (Wii slot becomes default slot) +* added Wii SD slot support for SRAM & FreezeState files +* added Wiimote, Nunchuk & Classic controllers support through libwiiuse (see User Manual for default keys) +* added customizable key mapping (for each configurations: wiimote only, wiimote+nunchuk or classic) + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 080419 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* modified VINT timings a little bit: fix lockup during Desert Strike's intro +* corrected 68k interrupts handling: fix graphic glitches in Darius II/Sagaia + +[Gamecube/Wii] + +* fixed 60Hz "Bilinear" rendering mode (was broken in last release) +* fixed issue with the 1st file when browsing SDCARD through SD-Gekko +* fixed GX initialization: fix "freeze" issue that occured sometime when starting a game +* added "Wii Reboot" option +* added PAL 50hz support in menu (black borders) +* added progressive rendering mode support (480p) in Wii mode (not supported by the PAL60 version, use the other one !) +* compiled with a modified libogc: should definitely fix the PAL "red screen" issue for RGB-cable users (still use the PAL60 version !) + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 080406 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* updated SVP core: fix some perspective issues in Virtua Racing (thanks to Notaz) +* added internal SAT update during VRAM Fill: fix unmasked sprites during Battletech's intro +* fixed m68k core issues with gcc 4.2.3: fix Xperts, Lemmings 2, M1 Abrams Battle Tank +* forced YM2612 Enveloppe update: fix intro music in Batman&Robin (thanks to Aamir) + +[Gamecube/Wii] + +* removed not working DVD features (Wii mode only) +* fixed Timers with PAL roms +* added EURGB60 TV mode support: fix "red screen" issue with PAL Wii when using RGB cable +* added PAL50 TV mode support (PAL and NTSC roms), see video options +* added "TP reload" option, use "System Reboot" (Wii mode only) +* added Front SD rom loading support with LFN & subdirectory browsing (Wii mode only) + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 080301 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* added SVP emulation: Virtua Racing is now emulated (big thanks to Notaz and TascoDeluxe) +* fixed VDP registers behaviour when VDP Mode 4 is enabled: fix Bass Masters Classic Pro, Captain Planet & The Planeeters +* corrected a bug in DMA Fill operation: fix James Pond 3, Rockman World/Megaman Willy Wars (corrupted VRAM) +* corrected typo errors in CPU cycle counters update: fix optiom screen music in "College Slam" and probably others games. +* added preliminary support of undocumented YM2612 bug: fixes soundtracks of Shaq Fu, Spiderman, Comix Zone, Ariel and some others +* added support for mappers & copy protection devices used in many unlicensed/pirate cartridges (see cart_hw.c for details) +* rewrote memory handlers for better modularity and some (little) speedup +* reduced Savestate size + +[Gamecube] + +* compiled with last LibOGC (20080228): fix issues when unplugging controller, support for Wii mode (see release.txt) +* added "hard-coded" IPL font (no more direct access to BOOTROM): fix font problem for Qoob users +* added SDCARD Slot B support for loading Roms +* removed unused MAME PSG Core +* added 'Force DTACK' option for prototype games usually hanging on real hardware (example: Sonic Crackers) +* added an option to underclock SVP core (with default cycle count, Virtua Racing actually does not run fullspeed in GC mode) +* fixed frame timing in PAL mode +* fixed analog stick sensitivity + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 080107 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* fixed interleaved rom detection: roms with .smd extension should now work fine +* fixed a recently introduced bug in VDP registers writes: fixes bad colors in Toy Story (intro) +* updated list of games using EEPROM: added Sports Talk Baseball (internal memory check fixed) and Brian Lara Cricket +* fixed VINT flag update when VINT is disabled: fixes NCAA College Football +* adjusted DMA timings in H32 mode: fixes flickering in Out of this World, Kawasaki Superbike Challenge & Formula One +* adjusted line rendering and HBLANK timings: fixes flickering in Nigel Mansell's World Championship Racing, Deadly Moves/Power Athlete +* fixed unmapped ROM reads through Z80 Bank: fixes Zombie High (Proto) +* added support for custom ROM/RAM mapping used by Game no Kanzume Otokuyou + +[Gamecube] + +* fixed broken SDCARD support for SRAM and Savestate files + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 071230 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Gamecube] + +* fixed ROM injector base address (DATA section 1) + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 071228 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* many sourcecode cleanup and optimization +* completely rewrote EEPROM emulation: now support all known EEPROM types (24C01-24C65) and mappers (Sega, Acclaim, EA, Codemasters) +used in a few games (now use internal game database) as external RAM. This should at least fix save support in the following games: + . NBA Jam (alternate Acclaim mapper) + . College Slam, Frank Thomas Big Hurt Baseball (24C65 type) + . NHLPA Hockey 93, Rings of Power (EA mapper) + . Micro Machines serie, Brian Lara Cricket 96/Shane Warne Cricket (Codemasters mapper) +* external RAM is now initialized to 0xFF by default: fix Micromachines 2, Dino Dini Soccer +* fixed SRAM 16-bits memory handlers: fix some Sega Sports and EA Sports games (NFL95, NBA Action 95, NHL97, NHL98,...) +* modified WRITE_xxx & READ_xxx macros for better portability and faster memory access on BIG ENDIAN platform +* completely rewrote BIG ENDIAN support in render.c and vdp.c: rendering should be a little faster +* rewrote ROM bankswitch emulation (Super Street Fighter II): ROM access are faster, using memory pointers instead of reading ROM copy from ARAM +* fixed leftmost Window/PlaneA column render and implemented Window bug (as described by Charles Mc Donald) +* improved "Sprite Limit" and "Sprite Collision" detection accuracy +* modified RGB565 Color Palette to use the full available color range (0-31;0-63) +* implemented "cycle accurate" HV Interrupt timings: fix Sesame's Street Counting Cafe, Legend of Galahad (intro) +* improved VDP access timings accuracy (added FIFO emulation): fix Double Clutch +* improved DMA timings accuracy: fix Winter Olympics (E), Arch Rivals and probably more +* fixed HCounter again: Road Rash serie (I,II,III) don't need timing hacks anymore +* fixed VCounter in Interlaced 2 mode: fix Combat Cars "VS-Mode" +* improved Interlaced 2 mode (double resolution) rendering: Sonic 2, Combat Cars ("VS-Modes") look far better +* added TMSS BIOS support (optional) +* rewrote part of the YM2162 MAME's core: fixed internal FM timers handling, removed non-YM2612 emulation code and unused multiple cpu support +* implemented "cycle accurate" FM timers & sound samples rendering +* improved Z80 Interrupt timing accuracy: fix Sonic 3 music slowdowns +* updated Z80 & 68000 cores to last MAME versions +* improved Soft Reset emulation: X-Men 2 and Eternal Champions (random character selection) now work more like on real hardware. +* added full overscan emulation (vertical & horizontal borders) for "pixel perfect" aspect ratio (tested against a real genesis) + +[Gamecube] + +* fixed rom checksum calculation (only used for rom information) +* some modifications in GX rendering code. +* added support for original Genesis/Megadrive NTSC & PAL video modes: this makes games looking exactly as on original hardware (progressive rendering with reduced resolution) +* 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) +* added "Overscan" option to disable the original borders color and always use black borders (only used when ORIGINAL Aspect mode is enabled) +* added support for up to 720 pixels horizontal resolution (needed for proper aspect ratio emulation) +* added "TV Mode" option to enable automatic switching to PAL(50Hz) TV mode when the Genesis runs in PAL mode +* added "Xshift" & "Yshift" settings to let you adjust display area position while keeping the original aspect ratio +* 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 +* 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. + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 070720 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* corrected TeamPlayer support: fix multiplayer in Gauntlet 4 (Sept. version), Pengo and a lot of others +* added J-Cart support: enable multiplayer in Codemasters games (Pete Sampras, Micromachines games, Super Skidmarks) +* added serial EEPROM autodetection: fix games with bad SRAM informations in header (NBA Jam TE) +* added SVP faking: display 2D graphics in Virtua Racing (the game is however still unplayable) +* added support for more internal IO registers: fixe some unlicensed games (Wisdom Tree games...) +* added preliminary support for unmapped protection device: fix some unlicensed games with special built-in hardware (Squirell King, Lion King 2...) +* 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 + in some games to enable special features or even complete the game (ex: X-Men). + +[Gamecube] + +* added separate configuration for PortA/PortB inputs (GAMEPAD, MULTITAP or NONE, see Joypad Config): this let you setting + PORTB as unplugged, which is needed in some games to access special modes or enable cheat codes (Alien Storm, X-Men...) +* Freezestate & SRAM files are now compressed (using zlib) +* FreezeState & SRAM files can now be saved/loaded to/from SDCARD: located in /genplus/saves/ from the root of your SDCARD +* changed initial ROMS directory for SDCARD user: now looking for /genplus/roms/ from the root of your SDCARD +* added user-transparent SRAM autoload (detection order is MCARD then SDCARD, SLOTA then SLOTB) +* "System reboot" is now used for console reboot and SD/PSO reload (if detected) +* added new font: now use original IPL font, extracted from Bootrom +* modified controls when going into the rom selection menu (DVD or SDCARD): + . use B button to go up one directory + . use Z button to quit the file selection menu + . use L/R triggers to go down/up one full page + . use Left/Right buttons or Analog stick to scroll the selected entry's filename when it can't be full displayed +* various menu rearrangment, minor bugfixes & sourcecode cleanup + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 070621 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[Core] + +* added Multitap support (EA 4-Way Play and Sega Teamplayer): allowed up to four players in games supporting those peripherals +* added partial Sega Menacer lightgun support: automatically set when detecting the 6-in-1 Menacer game + +[Gamecube] + +* 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) + + + +--------------------------------------------------------------------------------------------------------- +Genesis Plus GX release 070518 (Eke-Eke) +--------------------------------------------------------------------------------------------------------- + +[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. +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) + .Sesame Street Counting Cafe (don't boot) + .Chaos Engine/Soldiers of Fortune (graphic glitches on scrolling) + +[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/) diff --git a/LICENSE.txt b/LICENSE.txt new file mode 100644 index 0000000..1de18c2 --- /dev/null +++ b/LICENSE.txt @@ -0,0 +1,621 @@ + +Unless otherwise explicitly stated, all code in Genesis Plus GX is released +under the following license: + +Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Charles MacDonald +Some portions copyright Nicola Salmoria and the MAME team +All rights reserved. + +Copyright (c) 2007-2013 Eke-Eke +All rights reserved. + +Redistribution and use of this code or any derivative works are permitted +provided that the following conditions are met: + +* Redistributions may not be sold, nor may they be used in a commercial +product or activity. + +* Redistributions that are modified from the original source must include the +complete source code, including the source code for all components used by a +binary built from the modified sources. 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