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155 lines
6.1 KiB
Plaintext
155 lines
6.1 KiB
Plaintext
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Genesis Plus GX port for the GCW0 Handheld Console
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GCW0 port by:
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Shin-NiL
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David Knight
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Source code available at:
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https://bitbucket.org/shin_nil/genesis-plus-gx-gcw0/
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Genesis Plus GX is an open-source emulator focused on accuracy and portability, now emulating SG-1000, Master System, Game Gear, Mega Drive / Genesis and Sega / Mega CD hardware. Initially ported and designed to be running on Gamecube / Wii consoles through libogc / devkitPPC, it is also available for many other platforms through various frontends.
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The source code is based on Genesis Plus 1.3, originally developped by Charles MacDonald (http://cgfm2.emuviews.com). It has been heavily modified, with respect to initial goals and design, in order to improve accuracy of emulation, implementing new features and adding support for extra peripherals, cartridge & systems hardware.
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The result is that Genesis Plus GX is now more a continuation of the original project than a simple port, providing very accurate emulation and 100% compatibility with Genesis / Mega Drive, Sega / Mega CD, Master System, Game Gear & SG-1000 software (including all unlicensed or pirate known dumps), also emulating backwards compatibility modes when available.
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Multi-platform sourcecode is available through SVN and GIT so that other Genesis Plus ports can take advantage of it. The sourcecode is released under a specific non-commercial license, see LICENSE.txt for more informations.
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INSTRUCTIONS
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For SG-1000, Game Gear (GG), Master System (SMS) and Mega Drive (Genesis, MD) you don't need to do anything. Just locate the rom file you wish to use (zip files are supported) and run it through the gMenu.
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For Sega CD games you will need the correct bios files. These are not included with this distribution for copyright reasons. Once you have located the correct bios you will need to rename them according to the correct region:
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"/usr/local/home/.genplus/bios/bios_CD_U.bin"
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"/usr/local/home/.genplus/bios/bios_CD_E.bin"
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"/usr/local/home/.genplus/bios/bios_CD_J.bin"
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If everything is setup correctly you will then need to locate your image files and run them. .bin/.cue and .iso files are supported, .ogg compressed tracks are supported, .mp3 is NOT supported for legal reasons. (ogg is better anyway :P)
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To access the menu press SELECT+START. Controls can be reconfigured from there. In the menu A selects option, B will go back to the last menu.
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Default controls are:
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D-Pad/A-Stick: Directions
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X: A
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B: B
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A: C
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L: X
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Y: Y
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R: Z
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START: Start
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SELECT: Mode
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SELECT + START: Menu
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SELECT + L: Quicksave to Savestate 1
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SELECT + R: Quickload savestate 1
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In lightgun games for the Master system and Genesis/MD A-stick controls the cursor and A/B/C work as normal. Player 2 controls are mapped to the D-pad and X/Y/Z buttons.
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This allows (in theory at least!) two player games. It also allows you to select which control method you prefer. Some games (eg Spacegun) require two controllers.
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CONFIGURATION OPTIONS (Default setting)
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Scaling (On)
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The gcw0 has hardware bilinear scaling which when turned on will enlarge the image to fill the screen. By default this keeps aspect ration so you will still see small bars unless the scaled resolution is exactly 320x240. This is particularly useful for SMS and GG games.
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Keep aspect ratio (On)
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This does nothing unless Scaling is turned on. If aspect ratio is turned off the hardware scaler will fill the whole screen and there will be no black bars visible.
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Scanlines (GG) (On)
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This emulates the vertical scanlines visible on the LCD screen. It is only used when running Game Gear games.
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Mask left bar (SMS) (On)
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The Master System often displays a vertical bar on the left of the screen. Setting this to 'On' will remove it.
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Frameskip (0)
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In all games except Mega CD this is of no use as the emulation is near perfect speed (with the exception of Virtual Racing). Setting this value will render fewer frames allowing a little speed increase. This improves the performance of FMV scenes in Mega CD games.
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Resume on Save/Load (On)
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When saving from the menu, the menu will automatically exit and the game will continue. If turned off it will return you to the menu.
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A-stick (On)
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Some users have issues with their analog controls causing erratic movements. Turning off the A-stick will stop this.
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Lock-on (Off)
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If enabled, when loading a rom the selected file will be loaded first.
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Rename each binary file as follows:
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Game Genie: "/usr/local/home/.genplus/lock-on/ggenie.bin"
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Action Replay: "/usr/local/home/.genplus/lock-on/areplay.bin"
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Sonic & Knuckles: "/usr/local/home/.genplus/lock-on/sk.bin" and /usr/local/home/.genplus/lock-on/sk2chip.bin additional info
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After changing the lock-on option, you must reload the game rom.
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FM sound (SMS) (On)
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Select whether to use enhanced sound on a few Master System titles. A list of compatible titles is at the foot of this readme.
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Lightgun Speed (1)
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Higher values will speed up the lightgun cursor for player 1.
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Lightgun Cursor
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Change the lightgun cursor. The cursor is only visible in compatible lightgun games.
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FM (enhanced music) Compatible Master system titles (taken from http://segaretro.org/FM_Sound_Unit)
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(Note in most cases, only the Japanese variants are compatible)
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After Burner
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Alex Kidd BMX Trial
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Alex Kidd: The Lost Stars
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Alien Syndrome
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Aztec Adventure
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Blade Eagle 3-D
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Bomber Raid
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Captain Silver
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Cyborg Hunter
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Double Dragon
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Fantasy Zone II
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Fantasy Zone: The Maze
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Galactic Protector
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Global Defense
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Golvellius - Valley of Doom
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Great Golf
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Hoshi Wo Sagashite...
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Kenseiden
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Lord of The Sword
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Maze Hunter 3-D
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Megumi Rescue
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Miracle Warriors - Seal of The Dark Lord
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Nekkyuu Koushien
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OutRun
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Parlour Games
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Penguin Land
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Phantasy Star
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Power Strike
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R-Type
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Shinobi
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Solomon no Kagi - Oujo Rihita no Namida
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Space Harrier 3-D
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SpellCaster
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Super Racing
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Tensai Bakabon
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Thunder Blade
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Wonder Boy in Monster Land
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Ys: The Vanished Omens
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Zaxxon 3-D
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Zillion II: The Tri Formation
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The following games have FM soundtracks but were not released in Japan:
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Altered Beast
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California Games
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Casino Games
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Cloud Master
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Galaxy Force
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Golfamania
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OutRun 3-D
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Poseidon Wars 3-D
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Rampage
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Rastan
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Rescue Mission
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Scramble Spirits
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Shanghai
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Tennis Ace
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Time Soldiers
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Ultima IV
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Vigilante
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Wonder Boy III: The Dragon's Trap
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2015/03/22
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