MESS is a free emulator which emulates a large variety of different systems.
As of the latest SVN version, it supports the following:



3DO

ABC 80

ABC 800C

ABC 800M

ABC 802

ABC 806

Acorn Electron

Adventurevision

AIM 65

Alfa

Alice

Amstrad CPC464+

Amstrad CPC6128+

Amstrad PC1512 (version 1)

Amstrad PC1512 (version 2)

Amstrad PC1640 / PC6400 (US)

Amstrad PC20

Amstrad/Schneider CPC464

Amstrad/Schneider CPC6128

Amstrad/Schneider CPC6128 Azerty French Keyboard

Amstrad/Schneider CPC664

APEXC (as described in 1957)

APF Imagination Machine

APF M-1000

Apple ///

Apple ][

Apple ][+

Apple //c

Apple //c (Original Memory Expansion)

Apple //c Plus

Apple //c (rev 4)

Apple //c (UniDisk 3.5)

Apple //e

Apple //e (enhanced)

Apple //e (Platinum)

Apple I

Apple IIgs (ROM00)

Apple IIgs (ROM01)

Apple IIgs (ROM03)

Apple ][j+

Aquarius

Arcadia 2001

Atari 2600 (NTSC)

Atari 2600 (PAL)

Atari 400 (NTSC)

Atari 400 (PAL)

Atari 5200

Atari 5200 (alt)

Atari 7800 NTSC

Atari 7800 PAL

Atari 800 (NTSC)

Atari 800 (PAL)

Atari 800XL

Atari Jaguar

Atom

Atom with Eprom Box

Bally Computer System

Bally Professional Arcade

BBC Master

BBC Micro Model A

BBC Micro Model B

BBC Micro Model B+ 128k

BBC Micro Model B+ 64K

BeBox Dual603-133

BeBox Dual603-66

C64GS (PAL)

CBM4064/PET64/Educator64 (NTSC)

CF-1200 (Japan)

CF-2000 (Japan)

CF-2700 (Japan)

CF-3000 (Japan)

CF-3300 (Japan)

Channel F

Chess Champion MK I

Chess Champion MK II

ColecoAdam

ColecoVision

ColecoVision (Thick Characters)

Color Computer

Color Computer 2

Color Computer 2B

Color Computer 3 (NTSC)

Color Computer 3 (NTSC; HD6309)

Color Computer 3 (PAL)

Color Computer (Extended BASIC 1.0)

Colour Genie EG2000

Commodore 128 French (PAL)

Commodore 128 German (PAL)

Commodore 128 Italian (PAL)

Commodore 128 NTSC

Commodore 128 Swedish (PAL)

Commodore 16/116/232/264 (PAL)

Commodore 16/116/232/264 (PAL), 1551

Commodore 16 Novotrade (PAL, Hungarian Character Set)

Commodore 30xx (Basic 2)

Commodore 30xx (Basic 2) (business keyboard)

Commodore 364 (Prototype)

Commodore 40xx FAT (CRTC) 50Hz

Commodore 40xx FAT (CRTC) 60Hz

Commodore 40xx THIN (business keyboard)

Commodore +4 (NTSC)

Commodore +4 (NTSC), 1551

Commodore 64 (NTSC)

Commodore 64 Swedish (PAL)

Commodore 64/VC64/VIC64 (PAL)

Commodore 80xx 50Hz

Commodore 80xx 60Hz

Commodore 80xx German (50Hz)

Commodore 80xx Swedish (50Hz)

Commodore Amiga 1000 (NTSC-OCS)

Commodore Amiga 500 (NTSC-OCS)

Commodore Amiga 500 (PAL-OCS)

Commodore Amiga CDTV 1.0 (NTSC)

Commodore B128-40/Pet-II/P500 60Hz

Commodore B128-80HP/710

Commodore B128-80LP/610 60Hz

Commodore B256-80HP/720

Commodore B256-80HP/720 Swedish/Finnish

Commodore B256-80LP/620 50Hz

Commodore B256-80LP/620 Hungarian 50Hz

Commodore Max (Ultimax/VC10)

Commodore SP9000/MMF9000 (50Hz)

Compis

Concept

Cosmac VIP (VP-711)

CP400

CPS Changer (Street Fighter ZERO)

CreatiVision (NTSC)

DAI Personal Computer

Data General/One

Dragon 32

Dragon 64

Dragon 64 Plus

Dragon Alpha Prototype

Dragon Beta Prototype

Dreamcast (European PAL)

Dreamcast (Japan NTSC)

Dreamcast (US NTSC)

Enterprise 128

Enterprise 128 (EXOS 2.1)

EURO PC

Expert (Brazil)

Expert DDPlus (Brazil)

Expert Plus (Brazil)

Famicom

Famicom Twin

Fellow (Finland)

Franklin Ace 100

FS-1300 (Japan)

FS-4000 (Japan)

FS-4500 (Japan)

FS-4600 (Japan)

FS-4700 (Japan)

FS-5000F2 (Japan)

FS-5500F1/F2 (Japan)

FS-A1 / 1st released version (Japan)

FS-A1 / 2nd released version (Japan)

FS-A1F (Japan)

FS-A1FM (Japan)

FS-A1FX (Japan)

FS-A1MK2 (Japan)

FS-A1WSX (Japan)

FS-A1WX / 1st released version (Japan)

FS-A1WX / 2nd released version (Japan)

FunVision Computer Video Games System (PAL)

Galaksija

GameBoy

GameBoy Color

GameBoy Pocket

Game.com

Genesis (USA, NTSC)

Geneve 9640

HB-201 (Japan)

HB-201P

HB-501P

HB-75D (Germany)

HB-75P

HB-8000 Hotbit 1.1

HB-8000 Hotbit 1.2

HB-F1II (Japan)

HB-F1 (Japan)

HB-F1XD (Japan)

HB-F1XDJ (Japan)

HB-F1XDMK2 (Japan)

HB-F1XV (Japan)

HB-F500 (Japan)

HB-F500P

HB-F700D (Germany)

HB-F700P

HB-F700S (Spain)

HB-F900 / 1st released version (Japan)

HB-F900 / 2nd released version (Japan)

HB-F9P

HB-G900P

HiSaturn

HX-10

IBM PC 08/16/82

IBM PC 10/27/82

IBM PC/AT (CGA, MF2 Keyboard)

IBM PC/XT (CGA)

Indigo2 (R4400, 150MHz)

Indy (R4600, 133MHz)

Indy (R5000, 150MHz)

Intellivision

Intellivision Keyboard Component (Unreleased)

Intellivision (Sears)

Inves Spectrum 48K+

IQ-1000 DPC-100 (Korea)

IQ-1000 DPC-180 (Korea)

IQ-1000 DPC-200 (Korea)

IQ-2000 CPC-300 (Korea)

IRIS Indigo (R4400, 150MHz)

Jupiter Ace

Kaypro 2x

KC 85/3

KC 85/4

KC Compact

KIM-1

Lambda 8300

Laser 110

Laser 110 (Germany)

Laser 128ex (rev 4a)

Laser 128 (rev 4)

Laser 200

Laser 210

Laser 210 (Germany)

Laser 310

Laser 350

Laser 500

Laser 700

Lisa2

Lisa2/10

LNW-80

Lviv

Lynx

Lynx II

Macintosh 128k

Macintosh 512k

Macintosh 512ke

Macintosh Classic

Macintosh Plus

Macintosh SE

Macintosh XL

Mato (Basic ROM)

Mato (Games ROM)

MC-10

Mega Drive (Europe, PAL)

Mega Drive (Japan, NTSC)

MegaDuck/Cougar Boy

Mega ST

Mega STE

Mephisto 4 Schach Computer

Mephisto 5 Schach Computer

Microbee 32 IC

Microbee 32 PC

Microbee 32 PC85

Microbee 56

Micro Professor 1

Micro Professor 1B

Microtan 65

MO5

MO5E

MO5 NR

MO6

MSX

MSX2

MSX2+

MTX 512

MZ-700

MZ-700 (Japan)

Nascom 1

Nascom 2

NC100

Nintendo 64

Nintendo Entertainment System (NTSC)

Nintendo Entertainment System (PAL)

NMS-8220 / 1st released version

NMS-8220 / 2nd released version

NMS-8245

NMS-8250

NMS-8255

NMS-8280

Odyssey 2

Oric 1

Oric Atmos

Oric Telestrat

PC200 Professional Series

PC8300

PC-8801 MKIISR (Hires display, VSYNC 24KHz)

PC-8801 MKIISR (Lores display, VSYNC 15KHz)

PC/AT 386(CGA, MF2 Keyboard)

PC/AT 486(CGA, MF2 Keyboard)

PC/AT 586(CGA, MF2 Keyboard)

PC/AT (CGA, MF2 Keyboard)

PC/AT (VGA, MF2 Keyboard)

PC (CGA)

PC Engine

PC (MDA)

PC/XT (VGA, MF2 Keyboard)

PDP-1

PET2001/CBM20xx Series (Basic 1)

Philips P2000M

Philips P2000T

PMD-85.1

PMD-85.2

PMD-85.2A

PMD-85.2B

PMD-85.3

Pocket Computer 1251

Pocket Computer 1350

Pocket Computer 1401

Pocket Computer 1402

Pocket Computer 1403

Pocket Computer 1403H

Pokemon Mini

Power 3000

Pravetz 8D

Pravetz 8D (Disk ROM)

Pravetz 8D (Disk ROM, RadoSoft)

Primo A-32

Primo A-48

Primo A-64

Primo B-64

Prodest PC 128

QL (France)

QL (Germany)

QL (Italy)

QL (Mexico)

QL (Spain)

QL (Sweden)

QL (UK)

QL (USA)

Rebel 5 Schach Computer

Sam Coupe

Samsung Gam*Boy II (Korea)

Saturn (Japan)

Saturn (PAL)

Saturn (USA)

SC-3000

SC-3000/Super Control Station SF-7000

Sega Game Gear - European/American

Sega Game Gear - Japanese

Sega Master System I

Sega Master System II

Sega Master System II (PAL)

Sega Master System I (PAL)

Sega Master System (Japan)

Sega Master System Store Display

Sega SG-1000 Mark III

SG-1000

SG-1000 Mark II

Sharp X68000

Sony PlayStation (Asia-Pacific)

Sony PlayStation (Europe)

Sony PlayStation (Japan)

Sony PlayStation (USA)

Sorcerer

Sorcerer (diskless)

Sord M5

Spectrum I+

ST

STE

Studio II

Superboard II Model 600 (Rev.

Super GameBoy

SuperGrafx

Super Nintendo Entertainment System (NTSC)

Super Nintendo Entertainment System (PAL)

Supervision

SVI-318 (SV BASIC v1.0)

SVI-328

SVI-603 Coleco Game Adapter

SVI-738

System-80

T9000

Tandy 1000HX

Tano Dragon 64 (NTSC)

Tatung Einstein TC-01

TC-2048

Telmac 2000

Telmac TMC-600 (Sarja II)

The Commodore 64DX Development System (Prototype, PAL, German)

The Commodore 65 Development System (Prototype, NTSC)

TI-81

TI-82

TI-83

TI-83 Plus

TI-85

TI-86

TI99/4A Home Computer (Europe)

TI99/4A Home Computer (US)

TI99/4A Home Computer with EVPC

TI99/4 Home Computer (Europe)

TI99/4 Home Computer (US)

TI-99/8 Computer (Europe)

TI-99/8 Computer (US)

TI Avigo 100 PDA

Timex Sinclair 1000

TI Model 990/10 Minicomputer System

TI Model 990/4 Microcomputer System

TK-90x Color Computer

TK-95 Color Computer

TM 990/189 University Board microcomputer with University Basic

TM 990/189 University Board microcomputer with University Basic and Video Board Interface

TO7

TO7/70

TO7/70 arabic

TO8

TO8D

TO9

TO9+

Tomy Tutor

TRS-80 Model I (Level I Basic)

TRS-80 Model I (Radio Shack Level II Basic)

TRS-80 Model I (R/S L2 Basic)

TS-2068

TurboGrafx 16

TX-0 original demonstrator (64 kWords of RAM)

TX-0 upgraded system (8 kWords of RAM)

TX-8000 (UK)

UK101

UK-2086 ver. 1.2

VC4000

Vectrex

VG-8235

VIC1001 (NTSC)

VIC20 (NTSC)

VIC20 (NTSC), IEEE488 Interface (SYS45065)

VIC20 PAL, Swedish Expansion Kit

VIC20/VC20(German) PAL

V-Saturn

VZ-200 (Germany & Netherlands)

VZ-200 (Oceania)

VZ-300 (Oceania)

WAVY PHC-23 (Japan)

WAVY PHC-35J (Japan)

WAVY PHC-70FD2 (Japan)

WAVY PHC-70FD (Japan)

WonderSwan

WonderSwan Color

X-II CPC-400 (Korea)

X-II CPC-400S (Korea)

Z88

ZX-80

ZX-81

ZX.Aszmic

ZX Spectrum

ZX Spectrum 128

ZX Spectrum 128 (Spain)

ZX Spectrum +2

ZX Spectrum +2a

ZX Spectrum +2 (France)

ZX Spectrum +2 (Spain)

ZX Spectrum +3

ZX Spectrum +3e

ZX Spectrum +3e (Spain)

ZX Spectrum +3 (Spain)

ZX Spectrum +4

ZX Spectrum (BusySoft Upgrade v1.18)

ZX Spectrum (Collier's Upgrade)

ZX Spectrum (De Groot's Upgrade)

ZX Spectrum (LEC Upgrade)

ZX Spectrum (Maly's Psycho Upgrade)