mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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28775cc3aa
---------- * 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 [Core/VDP] --------------- * improved DMA accuracy * added support for 8-bit VRAM writes with undocumented code value (verified on real hardware by Nemesis) [Gamecube/Wii] --------------- * modified 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. [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 [Core/VDP] --------------- * improved DMA accuracy * added support for 8-bit VRAM writes with undocumented code value (verified on real hardware by Nemesis) [Gamecube/Wii] --------------- * modified 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. |
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|---|---|---|
| .. | ||
| CHANGELOG.txt | ||
| config.c | ||
| config.h | ||
| error.c | ||
| error.h | ||
| fileio.c | ||
| fileio.h | ||
| icon.rc | ||
| LICENSE.txt | ||
| main.c | ||
| main.h | ||
| md.ico | ||
| osd.h | ||
| readme-sdl.txt | ||
| README.txt | ||
| unzip.c | ||
| unzip.h | ||
----------------------------------------------------------------------------
Genesis Plus
----------------------------------------------------------------------------
based on the original version 1.3
by Charles Mac Donald
WWW: http://cgfm2.emuviews.com
version 1.6
backported from Genesis Plus GX
by Eke-Eke
WWW: http://code.google.com/p/genplus-gx
What's New
----------
see CHANGELOG.txt
Features
---------
* accurate SG-1000, Mark-III, Master System (I & II), Game Gear, Genesis & Mega Drive emulation (incl. backwards compatibility modes)
* NTSC (60Hz) & PAL (50Hz) hardware emulation
* highly accurate 68000 & Z80 CPU emulation
* highly accurate VDP emulation (all rendering modes, HBLANK, DMA, FIFO, HV interrupts, undocumented registers, display mid-line changes…)
* cycle-accurate YM2612 & YM2413 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)
* 2-buttons, 3-buttons & 6-buttons controllers emulation
* Sega Team Player & EA 4-Way Play multitap adapters emulation
* Sega Light Phaser, Menacer & Konami Justifier lightguns emulation
* Sega Mouse emulation
* Sega Activator emulation
* XE-1AP emulation
* Sega Paddle & Sports Pad emulation
* Terebe Oekaki emulation
* J-Cart adapter support(Micro Machines & Pete Sampras series, Super Skidmarks)
* SVP DSP emulation (Virtua Racing)
* SRAM support (up to 64kB)
* I2C (24Cxx) and MicroWire (93C46) EEPROM emulation (all known chips)
* ROM bankswitch hardware emulation (Super Street Fighter 2)
* SRAM bankswitch hardware emulation (Phantasy Star 4, Legend of Thor, Sonic the Hedgehog 3)
* emulation of banking & copy protection devices used in all known unlicensed/pirate cartridges
* emulation of all known Master System & Game Gear cartridge mappers
* 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.
Controls
-----
Arrow Keys - Directional pad
A/Q,S,D,F - buttons A, B(1), C(2), START
W,X,C,V - buttons X, Y, Z, MODE if 6-buttons controller is enabled
Tab - Hard Reset
Esc - Exit program
F2 - Toggle Fullscreen/Windowed mode
F4 - Toggle Audio (Turbo mode must be disabled first)
F6 - Toggle Turbo mode (Audio must be disabled first)
F7 - Load Savestate (game.gpz)
F8 - Save Savestate (game.gpz)
F9 - Toggle VDP mode: PAL(50hz)/NTSC(60hz)
F10 - Soft Reset
F11 - Toggle Border emulation
F12 - Toggle Player # (test only)
The mouse is used for lightguns, Sega Mouse, PICO & Terebi Oekaki tablet (automatically detected when loading supported game).
A SRAM file (game.srm) is automatically saved on exit and loaded on startup.
Credits and Acknowlegements
---------------------------
Original code by Charles MacDonald
Modified Genesis Plus GX code by Eke-Eke (http://code.google.com/p/genplus-gx )
The Genesis emulator authors: Bart Trzynadlowski, Steve Snake, Stef, Notaz, AamirM
The regular people at spritesmind.net and smspower.org.
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
-------
Eke-Eke
E-mail: ekeeke31@gmail.com
WWW: http://code.google.com/p/genplus-gx
Legal
-----
See license.txt for licensing terms.