mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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| .. | ||
| dos | ||
| win | ||
| CHANGELOG.txt | ||
| PORTING.txt | ||
| README.txt | ||
----------------------------------------------------------------------------
Genesis Plus
----------------------------------------------------------------------------
based on the original version 1.2a
by Charles Mac Donald
WWW: http://cgfm2.emuviews.com
version 1.4
by Eke-Eke
WWW: http://code.google.com/p/genplus-gx
What's New
----------
see CHANGELOG
Features
---------
* NTSC (60Hz) & PAL (50Hz) hardware emulation
* highly accurate 68000 & Z80 CPU emulation
* highly accurate VDP emulation (HBLANK, DMA, FIFO, HV interrupts, undocumented registers, display mid-line changes…)
* cycle-accurate YM2612 emulation (FM synthesis is done at the original frequency, using FIR resampling)
* cycle-accurate chip synchronization (68000/Z80/YM2612/SN76489)
* basic hardware latency emulation (VDP/68k, Z80/68k)
* full overscan area (horizontal & vertical colored borders) emulation (optional)
* accurate TMSS model emulation incl. internal BIOS support (optional)
* Blargg's software NTSC filters support (optional)
* PICO emulation (partial)
* 3-buttons & 6-buttons controllers support
* Sega Team Player & EA 4-Way Play multitap adapters support
* Sega Menacer & Konami Justifier lightguns support
* Sega Mouse support
* J-Cart adapter support(Micro Machines & Pete Sampras series, Super Skidmarks)
* SVP DSP emulation (Virtua Racing)
* SRAM support (up to 64kB)
* serial EEPROM emulation (all known chips)
* ROM bankswitch hardware support (Super Street Fighter 2)
* ROM/SRAM bankswitch hardware support (Phantasy Star 4, Legend of Thor, Sonic the Hedgehog 3)
* emulates most banking & copy protection devices used in unlicensed/pirate cartridges
* native Game Genie & Action Replay hardware emulation
* Lock-On hardware emulation
* support for ROM image up to 10MB (Ultimate MK3 hack)
Usage
-----
The Windows version runs windowed in a 16-bit desktop with 48Hz sound using SDL but
without joystick support.
The DOS version has most of the functionality from SMS Plus, such
as audio, joysticks, etc.
Windows/DOS controls:
Arrow Keys - Directional pad
A,S,D,F - 1P gamepad, buttons A, B, C, StartTab - Hard Reset
Esc - Exit program
F7 - Load Savestate (game.gpz)
F8 - Save Savestate (game.gpz)
F9 - Toggle CPU clock: PAL(50hz)/NTSC(60hz)
F10 - Soft Reset
F11 - Toggle Border emulation (vertical only)
F12 - Toggle Player # (keyboard/mouse)
DOS only:
F1-F4 - Set frameskip level (F1 = no skip ... F4 = skip 3 frames)
Windows only:
F4 - Toggle Audio (ONLY when Turbo mode is OFF)
F6 - Toggle Turbo mode (ONLY when Audio is OFF)
The mouse can be used for lightgun games, PICO games and when the Sega Mouse is activated.
A SRAM file (game.srm) is automatically saved on exit and loaded on startup.
DOS details:
You can only support a second player if you are using a joystick driver
that supports more than one joystick. (e.g. Sidewinder, dual pads, etc.)
Type 'gen -help' on the command line for a list of useful options.
-res <x> <y> set the display resolution.
-vdriver <n> specify video driver.
-depth <n> specify color depth. (8, 16)
-scanlines use scanlines effect.
-scale scale display to full resolution. (slow)
-vsync wait for vertical sync before blitting.
-sound enable sound. (force speed throttling)
-sndrate <n> specify sound rate. (8000, 11025, 22050, 44100)
-sndcard <n> specify sound card. (0-7)
-swap swap left and right stereo output.
-joy <s> specify joystick type.
Here is a list of all the video drivers you can pass as a parameter
to the '-vdriver' option:
auto, safe, vga, modex, vesa2l, vesa3, vbeaf
Here is a list of all the joystick drivers you can pass as a parameter
to the '-joy' option:
auto, none, standard, 2pads, 4button, 6button, 8button, fspro, wingex,
sidewinder, gamepadpro, grip, grip4, sneslpt1, sneslpt2, sneslpt3,
psxlpt1, psxlpt2, psxlpt3, n64lpt1, n64lpt2, n64lpt3, db9lpt1, db9lpt2,
db9lpt3, tglpt1, tglpt2, tglpt3, wingwar, segaisa, segapci, segapci2
You can put any commandline option into a plain text file which should
be called "gen.cfg". Put one option per line, please. Command line options
will override anything in the configuration file.
Currently the zip loading code can manage a zipfile where the game
image is the first thing in it. If you try to open a huge archive of
games, only the first will be played.
Credits and Acknowlegements
---------------------------
I would like to thank Omar Cornut, Christian Schiller, and Chris MacDonald
for their invaluable help and support with this project.
Richard Bannister for the Macintosh port and all of the code fixes and
suggestions that have made Genesis Plus a better program.
(http://www.bannister.org)
Extra features, emulation accuracy & game compatibility improvments by Eke-Eke
(from the Gamecube/Wii port: http://code.google.com/p/genplus-gx )
The Genesis emulator authors: Bart Trzynadlowski, Quintesson, Steve Snake,
James Ponder, Stef, Gerrie, Sardu, AamirM
The regular people and many lurkers at segadev and spritesmind.net.
The MAME team for the CPU and sound chip emulators.
Maxim for his SN76489 emulator.
Nemesis for his researches about the YM2612 and VDP.
Notaz for his SVP emulator.
Tasco Deluxe for his documentation of Realtec mapper.
Haze for his reverse-engineering of most unlicensed games protection.
Shay Green (Blargg) for his FIR Resampler & NTSC Video Filter.
Neil C for his 3-Band EQ implementation.
Jean-Loup Gailly and Mark Adler for their useful zip library.
Contact
-------
Charles MacDonald
E-mail: cgfm2@hotmail.com
WWW: http://cgfm2.emuviews.com
Eke-Eke
E-mail: eke_eke31@yahoo.fr
WWW: http://code.google.com/p/genplus-gx
Legal
-----
Copyright (C) 1999, 2000, 2001, 2002, 2003 Charles MacDonald
Copyright (C) 2006-2010 Eke-Eke
The source code is distributed under the terms of the GNU General Public
License.
The Z80 CPU emulator, 68K CPU emulator, and the YM2612 emulation code
are taken from the MAME project, and terms of their use are covered under
the MAME license. (http://www.mame.net)