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[[File:{{Infobox console|title = Sega Genesis / Mega Drive|logo = RS39200_Megadrive.png|image = Sega-Genesis-Mod2Mk2-Bare6button.jpg|thumbimage2 = Sega-Nomad-Front.jpg|The imagecaption = '''Top:''' Sega Mega Drive.<br/>'''Middle:''' Sega Genesis Model 2 with 6-button controller.<br/>'''Bottom:''' Sega Genesis Nomad, portable variation.|developer = [[:Sega]]|type = [[:Category:Consoles|Home video game console]]|generation = [[:Category:Fourth-generation video game consoles|Fourth generation]]|release = 1988|discontinued = 1997|predecessor = [[Master System emulators|Master System]]|successor = [[Sega Saturn emulators|Saturn]]|emulated = {{✓}}}}The '''[[gametech:Sega_Genesis|Sega Genesis]]''' is a 16-bit, 4th fourth-generation console released by [https://en.wikipedia.org/wiki/Sega Sega ] in Japan on October 29, 1988 and in the US on August 14, 1989 in North America. It had a Motorola 68000 CPU at 7.6 MHz and a Zilog Z80 at 3.58 MHz. In other regions, it was known as the '''Mega Drive'''. It had several addonsadd-ons, including the Sega CD (a CD addonadd-on, called Mega CD outside America) and the 32X (a 32bit cartrage 32-bit, cartridge-based addonadd-on). 

The Sega CD was released on October 15, 1992 and retailed for {{Inflation|USD|299.99|1992}} and had a Motorola 68000 CPU at 12.5 MHz and 64 kbit of RAM. The Sega 32X was released on November 21, 1994 for {{Inflation|USD|159.99|1994}}. It had 2 SH-2 RISC CPUs at 23 MHz with 256KB of RAM and 256KB of VRAM. Genesis emulation is very good, with a high degree of game compatibility (many of them claiming nearly 100% compatibility with commercial games, including Virtua Racing). They are available on many platforms. Many Genesis emulators also feature compatibility with the [[Master System emulators|Sega Master System]] (SMS), and the [[Master System emulators|Game Gear]] (GG) aswell as well as earlier sega Sega consoles (. Genesis -based arcade boards and the sega Sega Pico are still sketchy), however.

{| border="0" cellpadding="1" cellspacing="1" class="article-table article-table-selectedwikitable" style="widthtext-align: 500pxcenter;"|-

! scope="col"|SMS! scope="col" style="text-align: center;"|GG! scope="col" style<abbr title="text-align: center;"|Genesis / Mega Drive">G/MD</abbr>! scope="col" style="text-align: center;"|Sega CD

! scope="col"|Pico! scope="col"|[[Libretro|Libretro Core]]! scope="col"|Active! scope="col"|[[RecommendedEmulators|Recommended]]|-!colspan="10"|PC|-|[[BlastEm]]|Windows, Linux, macOS|[https://www.retrodev.com/blastem/changes.html {{BlastEmVer}}]|{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✓}} ||{{✓}}|-|[[Genesis Plus GX]]|Multi-platform|{{GenPlusGXVer}}|{{✓}} ||{{✓}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✓}} ||{{✓}}

|Windows, Linux, OS XmacOS|[http://www.eidolons-inncarpeludum.netcom/tikikega-download_file.php?fileId=574 fusion/ 3.64]| style="text-align: center;"{{✓}} ||{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|✓{{✗}} | style="text-align: center;"|✓{{✗}} | style="text-align: center;"|{{✓}}

|[[MAME]]|Multi-platform|[http://aamirmwww.hacking-cultmamedev.org/www/regenrelease.html Regen{{MAMEVer}}]|Windows, Linux{{✓}} |0.97(2)| style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|✗{{✓}} | style="text-align: center;"|✗{{✓}} | style="text-align: center;"|{{✗}}

|[[Genesis Plus|GenesisPlusGXPicoDrive]]|[[Wii]], [[Gamecube]]Multi-platform <small>(PC)</small>|1[http://notaz.7gp2x.4de/pico.php {{PicoDriveVer}}]| style="text-align: center;"{{✓}} ||{{✓}} ||{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✗| style}}<ref group=N name="textPicoDrive>Only for the 32X as a cross-align: center;"|✓platform alternative to Kega Fusion.</ref>

|[[RetroArchhttp://segaretro.org/Gens/GS Gens/GS]] (GenesisPlusGX)|MultiplatformMulti-platform|1[http://www.dusers.drexel.edu/gitweb/gitweb.7cgi/~korth/gens.4git r7]| style="text-align: center;"{{✓}} ||{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|✓{{✗}} | style="text-align: center;"|✓{{✗}} | style="text-align: center;"|{{✗}} | style="text-align: center;"|✓{{✗}}

|[http://www.exodusemulator.com/index.php/downloads 1.0.0/current-release {{ExodusVer}}]| style="text-align: center;"{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✗}}| style="text-align|[http: center;"//dgen.sourceforge.net/ DGen]|✗Multi-platform| style="text-align[http: center;"//sourceforge.net/projects/dgen/files/dgen/ 1.33]|{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} | style="text-align: center;"|{{✗}}| style="text-align: center;"|[[Genecyst]]|✗DOS| style="text-align[https://web.archive.org/web/20070205202050/http: center;"//www.zophar.net/genecyst/gcystxxx.zip x.xx]|{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}}

|[https://github.com/merwaaan/megado Git]|{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✓}} ||{{✗}}|-|Regen|Windows, Linux|[http://gensaamirm.hacking-cult.meorg/www/downloadsregen.shtml 2html 0.14972]| style="text-align: center;"{{✓}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}} ||{{✗}}| style-!colspan="text-align: center;10"|✗Mobile| style="text-align: center;"|✓[[Genesis Plus GX]]| style="textMulti-align: center;"platform|{{GenPlusGXVer}}|{{✓}} | style="text-align: center;"|{{✓}} ||{{✗}} | style="text-align: center;"|{{✗}} ||{{✓}} ||{{✓}} ||{{✓}}

|MultiplatformMulti-platform <small>(ARM devices)</small>|1[http://notaz.gp2x.de/pico.80php {{PicoDriveVer}}]| style="text-align: center;"{{✓}} ||{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|{{✓}}<ref group=N name=PicoDrive />

|DGen|Multiplatform|[http://dgen.sourceforge.net/ 1.32]| style="text-align: center;"|✗| style="text-align: center;"|✗| style="text-align: center;"|✓| style="text-align: center;"|✗| style="text-align: center;"|✗| style!colspan="text-align: center;10"|✗Consoles

|[[GenecystGenesis Plus GX]]|[[DOSWii emulators|Wii]], [[GameCube emulators|GameCube]]|x[https://bitbucket.xxorg/eke/genesis-plus-gx/downloads {{GenPlusGXVer}}]| style="text-align: center;"{{✓}} ||{{✓}} ||{{✗}} | style="text-align: center;"|{{✗}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|✗{{✓}} | style="text-align: center;"|✗| style="text-align: center;"|✗{{✓}}

|[[BlastEmPicoDrive]]|Linux[[PlayStation Portable emulators|PSP]], ARM Devices|0[http://notaz.gp2x.1de/pico.0php {{PicoDriveVer}}]| style="text-align: center;"{{✓}} ||✗{{✓}} | style="text-align: center;"|✗{{✓}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|✗{{✓}} | style="text-align: center;"|✗{{✓}} | style="text-align: center;"|✗{{✓}}

|[[GENSVirtual Console]]|Multiplatform[[Wii emulators|Wii]]|r7N/A| style="text-align: center;"{{✓}} ||{{✗}} | style="text-align: center;"|{{✗}} | style="text-align: center;"|✓{{✗}} | style="text-align: center;"|✓{{✗}} | style="text-align: center;"|{{✓}} | style="text-align: center;"|✗{{✓}}

<references group=N /> ===Comparisons===;[[CategoryGenesis Plus GX]]:A very solid emulator for the Sega Genesis / Sega Master System / Sega CD / Game Gear. The only things it lack are 32X and Pico support, and a native desktop port; the only way to get this emulator on the desktop is to use the libretro core, which allows for all the benefits of RetroArch like shaders, dynamic sync, and other enhancements. The version used in [[BizHawk]] adds features for speedrunners.;[[Kega Fusion]]:The project of an employee with previous experience at Sega. Kega Fusion has high compatibility, is easy to use and has plugin-based filter support. But it has some issues on newer versions of Windows.;[[PicoDrive]]:Strongly prioritizes performance over accuracy. Compatibility and accuracy isn't as good as Genesis Plus GX but it's useful on very underpowered systems like the Raspberry Pi Zero. Currently the first and only cross-platform option for 32X and Pico games.;[[Exodus]]:Think bsnes but for the Genesis. Even though higan is also getting into the Genesis game, Exodus has already achieved cycle-accuracy at the familiar cost of high system requirements. It is the newest Genesis emulator and is far from complete.;[http://aamirm.hacking-cult.org/www/regen.html Regen]:ConsolesA focus on accuracy as earned it high compatibility with games, but it does not emulate the Sega CD and 32X. It also allows [[overclocking]].;[[BlastEm]]:Aims for cycle-accuracy but unlike Exodus, aims for lower system requirements. It has substantially higher compatibility than Exodus but falls short of Genesis Plus GX.;[[GENS]]:Close to Kega Fusion in features and compatibility, but has largely been surpassed by better emulators. There are many different forks and iterations of Gens, so your experience will differ quite a lot depending on which version you use.;[[higan]]:Also developing cycle-accurate Genesis emulation, akin to its very own [[Super Nintendo emulators|SNES emulator]] bsnes. It's promising but incomplete. However, it can be used in the latest builds.;[[MAME]]:Has the parent drivers <code style="color:green">genesis</code>, <code style="color:green">sms</code>, <code style="color:green">gamegear</code>, <code style="color:darkred">segacd</code>, and <code style="color:darkred">32x</code>. Green drivers are reported as OK, where red ones are reported as not working as of version 0.200. ==Lock-On Emulation==Lock-On Technology is a unique feature found on Sonic & Knuckles cartridges for the Sega Mega Drive/Genesis that allowed a player to connect an older game to the cartridge's pass-through port for extended or altered gameplay. * With Sonic 3: Unlocks an alternate version of Sonic 3 with more levels.* With Sonic 2: Unlocks an alternate version of Sonic 2 with playable Knuckles.* With Sonic 1: Unlocks the Blue Sphere minigame with a level select to all possible levels. The Sonic & Knuckles cartridge can lock on to other cartridges: * Smaller than 2MB: Will play a single random level from the Blue Sphere minigame generated from data in the header.* Bigger than 2MB: Will boot to Sonic & Knuckles.* Has Battery Pack: All save data will be wiped out. Most emulators don't support Lock-On save for Genesis Plus GX, but there are pre-combined ROMs for the Sonic trilogy available online that can be played as a regular Megadrive ROM on any emulator and still work. The Sonic 3 Complete romhack also achieves the same purpose.

Kega Fusion is The following files need to be under the directory for BIOS files (usually "system"):* sk.bin (Sonic & Knuckles (2 MiB) ROM)* sk2chip.bin (Sonic & Knuckles UPMEM (256 KiB) ROM): If you can't find it online, extract it with a very good emulator with high compatibility, coded by an exhex editor from a pre-sega staffer! It is easy combined Sonic 2 & Knuckles ROM from offset 00300000 to use as well, good interface and plugin based filter support toothe end of the ROM.

Regen is also very good with high compatibilityFor GG/AR, the files needed are areplay. Lacks 32X bin and Mega CD ggenie.bin, but most emulators supportcheat codes from these natively.

GenesisPlusGX is too also very good with high compatibility==External links==* [http://wiki.megadrive.org/index.php?title=Main_Page MegaDrive Development Wiki] - A Wiki about every technical aspect of the SEGA MegaDrive hardware and software. The only thing it lacks is 32X support which Its aim is no big loss considering to provide the few games available for the addon. The port for RetroArch adds shader supportmost detailed, accurate and up to date information, dynamic sync to help homebrew development and the other features of RetroArchrepairs.* [http://segaretro.org/Category:Mega_Drive_emulators Mega Drive emulators] on Sega Retro* [https://archive.org/details/sega_genesis_library ARCHIVE.ORG Console Library: Sega Genesis]