| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| ad7224 | AD7224 DAC | | | | | |
| ad7521 | AD7521 DAC | | | | | |
| ad7523 | AD7523 DAC | | | | | |
| ad7524 | AD7524 DAC | | | | | |
| ad7528 | AD7528 DAC | | | | | |
| ad7533 | AD7533 DAC | | | | | |
| ad7541 | AD7541 DAC | | | | | |
| adacp150p | CP-150 Plus | 1989 | Adacom | | | |
| adam | Adam | 1982 | Coleco | | | |
| adam_ddp | Adam Digital Data Pack | | | | | |
| adam_expansion_slot | ADAM expansion slot | | | | | |
| adam_fdc | Adam FDC | | | | | |
| adam_ide | Powermate HP IDE | | | | | |
| adam_kb | Adam keyboard | | | | | |
| adam_prn | Adam printer | | | | | |
| adam_ram | Adam 64KB RAM expansion | | | | | |
| adam_spi | Adam SPI | | | | | |
| adamlink | AdamLink modem | | | | | |
| adamnet | ADAMnet bus | | | | | |
| adamnet_slot | ADAMnet slot | | | | | |
| adc0803 | ADC0803 A/D Converter | | | | | |
| adc0804 | ADC0804 A/D Converter | | | | | |
| adc0808 | ADC0808 A/D Converter | | | | | |
| adc0809 | ADC0809 A/D Converter | | | | | |
| adc0831 | ADC0831 A/D Converter | | | | | |
| adc0832 | ADC0832 A/D Converter | | | | | |
| adc0834 | ADC0834 A/D Converter | | | | | |
| adc0838 | ADC0838 A/D Converter | | | | | |
| adc0844 | ADC0844 A/D Converter | | | | | |
| adc0848 | ADC0848 A/D Converter | | | | | |
| adc1038 | ADC1038 | | | | | |
| adc12130 | ADC12130 | | | | | |
| adc12132 | ADC12132 | | | | | |
| adc12138 | ADC12138 | | | | | |
| address_map_bank | Address Map Bank | | | | | |
| adds2020 | ADDS 2020 | 1986 | Applied Digital Data Systems | | | |
| adillor | Armadillo Racing (Rev. AM2 Ver.A, World) | 1997 | Namco | | | |
| adillorj | Armadillo Racing (Rev. AM1 Ver.A, Japan) | 1997 | Namco | adillor | adillor | |
| adm12 | ADM 12 Video Display Terminal | 1984 | Lear Siegler | | | |
| adm23 | ADM 23 Smart Terminal | 1982 | Lear Siegler | | | |
| adm31 | ADM-31 Data Display Terminal | 1978 | Lear Siegler | | | |
| adm36 | ADM 36 Video Display Terminal | 1981 | Lear Siegler | | | |
| adonis | Adonis (0200751V, NSW/ACT) | 1999 | Aristocrat | aristmk5 | | |
| adonisa | Adonis (0100751V, NSW/ACT) | 1999 | Aristocrat | adonis | adonis | |
| adonisa6 | Adonis (0151178, US) | 2005 | Aristocrat | aristmk6 | | |
| adonisce | Adonis - Cash Express (0201005V, NSW/ACT) | 1999 | Aristocrat | adonis | adonis | |
| adonisu | Adonis (BHG1508, US) | 2001 | Aristocrat | adonis | adonis | |
| adpoker | Amstar Draw Poker | 198? | Amstar? | | | |
| adsp2100 | Analog Devices ADSP-2100 | | | | | |
| adsp2101 | Analog Devices ADSP-2101 | | | | | |
| adsp2104 | Analog Devices ADSP-2104 | | | | | |
| adsp2105 | Analog Devices ADSP-2105 | | | | | |
| adsp21062 | Analog Devices ADSP21062 "SHARC" | | | | | |
| adsp2115 | Analog Devices ADSP-2115 | | | | | |
| adsp2181 | Analog Devices ADSP-2181 | | | | | |
| adults | Adults Only (Ukraine, V. 43.23) | 2003 | Extrema | | | |
| adultsa | Adults Only (Ukraine, V. 43.17) | 2003 | Extrema | adults | adults | |
| aduskcm | African Dusk - Mr. Cashman (20006711, NSW/ACT) | 2001 | Aristocrat | aristmk6 | | |
| advision | Adventure Vision | 1982 | Entex | | | |
| advsnha | Advision Home Arcade | 1983 | Advision | arcadia | arcadia | |
| aerfboo2 | Aero Fighters (bootleg, set 2) | 1992 | bootleg | aerofgt | aerofgt | |
| aerfboot | Aero Fighters (bootleg, set 1) | 1992 | bootleg | aerofgt | aerofgt | |
| aeroboto | Aeroboto | 1984 | Jaleco (Williams license) | formatz | formatz | |
| aerofgt | Aero Fighters (World / USA + Canada / Korea / Hong Kong / Taiwan) (newer hardware) | 1992 | Video System Co. | | | |
| aerofgtb | Aero Fighters (Taiwan / Japan, set 1) | 1992 | Video System Co. | aerofgt | aerofgt | |
| aerofgtc | Aero Fighters (Taiwan / Japan, set 2) | 1992 | Video System Co. | aerofgt | aerofgt | |
| aerofgts | Aero Fighters Special (USA) | 1996 | McO'River, Inc. | coh1002v | | |
| aerofgtst | Aero Fighters Special (Taiwan) | 1996 | Video System Co. | aerofgts | aerofgts | |
| aerolitos | Aerolitos (Spanish bootleg of Asteroids) | 1980 | bootleg (Rodmar Elec.) | asteroid | asteroid | |
| aes | Neo-Geo AES (NTSC) | 1990 | SNK | | | |
| afbm7800 | Atari Flashback Mini 7800 | 2004 | Atari / Nice Code | | | |
| afighter | Action Fighter (FD1089A 317-0018) | 1986 | Sega | | | |
| afightera | Action Fighter (unprotected) | 1986 | Sega | afighter | afighter | |
| afighterb | Action Fighter (unprotected, analog controls) | 1986 | Sega | afighter | afighter | |
| afighterc | Action Fighter (FD1089B 317-unknown) | 1986 | Sega | afighter | afighter | |
| afighterd | Action Fighter (FD1089B 317-unknown, analog controls) | 1986 | Sega | afighter | afighter | |
| afightere | Action Fighter (System 16B, unprotected, analog controls) | 1986 | Sega | afighter | afighter | |
| afighterf | Action Fighter (System 16B, FD1089B 317-unknown, analog controls) | 1986 | Sega | afighter | afighter | |
| afighterg | Action Fighter (System 16B, FD1089B 317-unknown) | 1986 | Sega | afighter | afighter | |
| afighterh | Action Fighter (System 16B, FD1089A 317-0018) | 1986 | Sega | afighter | afighter | |
| afire | Astro Fire | 1979 | bootleg (Rene Pierre) | astrof | astrof | astrof |
| afm_10 | Attack From Mars (1.0) | 1995 | Bally | afm_113 | afm_113 | |
| afm_11 | Attack From Mars (1.1) | 1995 | Bally | afm_113 | afm_113 | |
| afm_113 | Attack From Mars (1.13, Free play) | 1995 | Bally | | | |
| afm_113b | Attack From Mars (1.13b) | 1995 | Bally | afm_113 | afm_113 | |
| afm_11u | Attack From Mars (1.1 Ultrapin) | 1995 | Bally | afm_113 | afm_113 | |
| afterhrs | After Hours (0251071, US) | 2004 | Aristocrat | aristmk6 | | |
| aftor | Af-Tor | 1984 | Wico | | | genpin |
| aftrshok | Aftershock (Lazer-Tron, set 1) | 19?? | Lazer-Tron | | | |
| aftrshoka | Aftershock (Lazer-Tron, set 2) | 19?? | Lazer-Tron | aftrshok | aftrshok | |
| afv_l4 | Addams Family Values (Coin Dropper L-4) | 1993 | Williams | | | |
| agallet | Air Gallet (Europe) | 1996 | Gazelle (Banpresto license) | | | |
| agalleta | Air Gallet (older, Europe) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agalletah | Air Gallet (older, Hong Kong) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agalletaj | Akuu Gallet (older, Japan) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agalletak | Air Gallet (older, Korea) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agalletat | Air Gallet (older, Taiwan) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agalletau | Air Gallet (older, USA) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agalleth | Air Gallet (Hong Kong) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agalletj | Akuu Gallet (Japan) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agalletk | Air Gallet (Korea) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agallett | Air Gallet (Taiwan) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agalletu | Air Gallet (USA) | 1996 | Gazelle (Banpresto license) | agallet | agallet | |
| agat_fdc | Agat 840K floppy controller card | | | | | |
| agat_keyboard | Agat Keyboard | | | | | |
| agat7 | Agat-7 | 1983 | Agat | apple2 | apple2 | |
| agat7_flop | Agat-7 140K floppy card | | | | | |
| agat7video | Agat-7 Video | | | | | |
| agat840k_hle | Agat 840K floppy card | | | | | |
| agat9 | Agat-9 | 1988 | Agat | apple2 | apple2 | |
| agat9_flop | Agat-9 140K floppy card | | | | | |
| agat9video | Agat-9 Video | | | | | |
| age_cand | Candy Crane (AGE) | 19?? | Advanced Games & Engineering | | | |
| agent777 | Agents 777 | 1984 | Game Plan | | | genpin |
| agentx1 | Agent X (prototype, rev 1) | 1983 | Atari | cloak | cloak | |
| agentx2 | Agent X (prototype, rev 2) | 1983 | Atari | cloak | cloak | |
| agentx3 | Agent X (prototype, rev 3) | 1983 | Atari | cloak | cloak | |
| agentx4 | Agent X (prototype, rev 4) | 1983 | Atari | cloak | cloak | |
| agress | Agress - Missile Daisenryaku (Japan) | 1991 | Palco | | | |
| agressb | Agress - Missile Daisenryaku (English bootleg) | 2003 | bootleg | agress | agress | |
| agsoccer | A.G. Soccer Ball (R18u, 2.5L sound) | 1991 | Alvin G | | | genpin |
| agsoccer07 | A.G. Soccer Ball (R07u) | 1991 | Alvin G | agsoccer | agsoccer | genpin |
| agsoccera | A.G. Soccer Ball (R18u, 2.1 sound) | 1991 | Alvin G | agsoccer | agsoccer | genpin |
| aha1542a | AHA-1542A SCSI Controller | | | | | |
| aha1542b | AHA-1542B SCSI Controller | | | | | |
| aha1542c | AHA-1542C SCSI Controller | | | | | |
| aha1542cf | AHA-1542CF SCSI Controller | | | | | |
| aha1542cp | AHA-1542CP SCSI Controller | | | | | |
| aha1740 | AHA-1740 Fast SCSI Host Adapter | | | | | |
| aha1742a | AHA-1742A Fast SCSI Host Adapter | | | | | |
| ai1000 | AI-1000 | 1989 | Casio | pb2000c | pb2000c | |
| aic565 | AIC-565 Bus Auxiliary Interface Chip | | | | | |
| aic580 | AIC-580 DMA Bus Master | | | | | |
| aic6250 | Adaptec AIC-6250 High-Performance SCSI Protocol Chip | | | | | |
| aic6251a | Adaptec AIC-6251A Fast SCSI Protocol Chip | | | | | |
| aica | Yamaha AICA | | | | | |
| aicartc | AICA RTC | | | | | |
| aid80f | AID-80F Development System | 1978 | Mostek | | | |
| aim65 | AIM 65 | 1977 | Rockwell | | | |
| aim65_40 | AIM-65/40 | 1981 | Rockwell | | | |
| aimode | Ai-mode - Pet Shiiku (Japan) | 1999 | Nichibutsu/eic | nichidvd | | |
| ainferno | Air Inferno (World) | 1990 | Taito Corporation Japan | | | |
| ainfernoj | Air Inferno (Japan) | 1990 | Taito Corporation Japan | ainferno | ainferno | |
| ainfernou | Air Inferno (US) | 1990 | Taito America Corporation | ainferno | ainferno | |
| airass | Air Assault (World) | 1993 | Irem | | | |
| airattck | Air Attack (set 1) | 1996 | Comad | | | |
| airattcka | Air Attack (set 2) | 1996 | Comad | airattck | airattck | |
| airbase99 | AiRBase 99 | 1998 | JoMoX | | | |
| airblsjs | Air-Blaster Joystick (AB1500, PAL) | 2005 | Advance Bright Ltd | | | |
| airbustr | Air Buster: Trouble Specialty Raid Unit (World) | 1990 | Kaneko (Namco license) | | | |
| airbustrb | Air Buster: Trouble Specialty Raid Unit (bootleg) | 1990 | bootleg | airbustr | airbustr | |
| airbustrj | Air Buster: Trouble Specialty Raid Unit (Japan) | 1990 | Kaneko (Namco license) | airbustr | airbustr | |
| airco22b | Air Combat 22 (Rev. ACS1 Ver.B, Japan) | 1995 | Namco | | | |
| aircomb | Air Combat (AC2, US) | 1992 | Namco | | | |
| aircombj | Air Combat (AC1, Japan) | 1992 | Namco | aircomb | aircomb | |
| airduel | Air Duel (World, M82 hardware) | 1990 | Irem | | | |
| airdueljm72 | Air Duel (Japan, M72 hardware) | 1990 | Irem | airduel | airduel | |
| airduelm72 | Air Duel (World, M72 hardware) | 1990 | Irem | airduel | airduel | |
| airduelu | Air Duel (US location test, M82 hardware) | 1990 | Irem America | airduel | airduel | |
| airlbios | NAOMI Airline Pilots (deluxe) BIOS | 1999 | Sega | | | |
| airrace | Air Race (prototype) | 1985 | Atari Games | | | |
| airraid | Air Raid (Single PCB) | 1987 | Seibu Kaihatsu | | | |
| airraid_vid | Seibu Air Raid Video | | | | | |
| airtrix | Air Trix (Rev A) | 2000 | Sega | hikaru | | |
| airtrixo | Air Trix (original) | 2000 | Sega | airtrix | airtrix | |
| airwlkrs | Air Walkers | 1997 | Data East | | | |
| airwolf | Airwolf | 1987 | Kyugo | | | |
| airwolfa | Airwolf (US) | 1987 | Kyugo (United Amusements license) | airwolf | airwolf | |
| aiwamcd | Mega-CD CSD-G1M (Japan, NTSC) | 1994 | AIWA | segacd2 | segacd2 | |
| ajax | Ajax | 1987 | Konami | | | |
| ajaxj | Ajax (Japan) | 1987 | Konami | ajax | ajax | |
| ajofrin | Ajofrin City | 1981 | Recreativos Franco | | | |
| ajuno1 | Alpha Juno-1 (JU-1) Programmable Polyphonic Synthesizer | 1985 | Roland | | | |
| ajuno2 | Alpha Juno-2 (JU-2) Programmable Polyphonic Synthesizer | 1986 | Roland | | | |
| akamaru | Panel & Variety Akamaru Q Joushou Dont-R | 1996 | Dynax (Nakanihon license) | | | |
| akiko | CBM AKIKO | | | | | |
| aking | Angler King (Japan, AG1 Ver. A) | 1998 | Namco | | | |
| akiss | Mahjong Angel Kiss (ver 1.0) | 1995 | Jaleco | | | |
| akkaarrh | Akka Arrh (prototype) | 1982 | Atari | | | |
| akkanvdr | Akkanbeder (Ver 2.5J 1995/06/14) | 1995 | Taito Corporation | spcinv95 | spcinv95 | |
| akumajou | Akuma-Jou Dracula (Japan version P) | 1988 | Konami | hcastle | hcastle | |
| akumajoun | Akuma-Jou Dracula (Japan version N) | 1988 | Konami | hcastle | hcastle | |
| al_magicsound | Aleste Magic Sound Board | | | | | |
| al486vd | AL486V-D Rev:1.1 | 199? | Daewoo | ibm5170 | ibm5170 | |
| al520ex | Aleste 520EX | 1993 | Patisonic | cpc464 | cpc464 | |
| al8800bt | Altair 8800bt | 1977 | MITS | | | |
| alacou | Cougar | 199? | Alaris | ibm5170 | ibm5170 | |
| aladmdb | Aladdin (bootleg of Japanese Mega Drive version) | 1993 | bootleg / Sega | | | |
| alaleolx | LEOPARD LX | 199? | Alaris RYC | ibm5170 | ibm5170 | |
| alator2 | Tornado 2 | 199? | Alaris | ibm5170 | ibm5170 | |
| albatross | Albatross (US Prototype?) | 1989 | Nasco | suprgolf | suprgolf | |
| albert | Albert | 1984 | Albert Computers, Inc. | apple2 | apple2 | |
| alcapone | Al Capone | 1981 | LTD | | | genpin |
| alcat_l7 | Alley Cats (Shuffle) (L-7) | 1985 | Williams | | | genpin |
| alcat258 | Terminatel 258 | 1991 | Alcatel | | | |
| alcat7100 | Terminal 7100 | 1984 | Alcatel | | | |
| alchemst | Alchemist (01J02046, Venezuela) | 2002 | Aristocrat | aristmk5 | | |
| alchemy | Alchemy (1J009611, NSW/ACT) | 2003 | Aristocrat | aristmk6 | | |
| alcon | Alcon (US) | 1986 | Toaplan / Taito America Corp. | | | |
| aleck64 | Aleck64 PIF BIOS | 1998 | Nintendo / Seta | | | |
| alesis_dm3ag | Alesis DM3AG | | | | | |
| alesqs7 | Alesis QS7 musical keyboard | 1996 | Alesis | | | |
| alexkidd | Alex Kidd: The Lost Stars (set 2, unprotected) | 1986 | Sega | | | |
| alexkidd1 | Alex Kidd: The Lost Stars (set 1, FD1089A 317-0021) | 1986 | Sega | alexkidd | alexkidd | |
| alfa | Didaktik Alfa | 1986 | Didaktik Skalica | pmd851 | pmd851 | |
| alfaskop4101 | Alfaskop Communication Processor 4101 | 1984 | Ericsson | | | |
| alfaskop4110 | Alfaskop Display Unit 4110 | 1984 | Ericsson | | | |
| alfaskop4120 | Alfaskop Flexible Disk Unit 4120 | 1984 | Ericsson | | | |
| alg_bios | American Laser Games BIOS | 199? | American Laser Games | | | |
| alg3do | ALG 3DO Bios | 1993 | American Laser Games / The 3DO Company | | | |
| algar_l1 | Algar (L-1) | 1980 | Williams | | | genpin |
| ali | Ali | 1980 | Stern | | | genpin |
| alibaba | Ali Baba and 40 Thieves | 1982 | Sega | | | |
| alibabab | Mustafa and 40 Thieves (bootleg) | 1982 | bootleg | alibaba | alibaba | |
| alice | Alice | 1983 | Matra & Hachette | mc10 | mc10 | |
| alice_mcx128 | Darren Atkinson's MCX-128 cartridge (Alice ROM) | | | | | |
| alice32 | Alice 32 | 1984 | Matra & Hachette | | | |
| alice90 | Alice 90 | 1985 | Matra & Hachette | alice32 | alice32 | |
| alien | Alien: The Arcade Medal Edition | 2005 | Capcom | | | |
| alien3 | Alien3: The Gun (World) | 1993 | Sega | | | |
| alien3j | Alien3: The Gun (Japan) | 1993 | Sega | alien3 | alien3 | |
| alien3u | Alien3: The Gun (US, Rev A) | 1993 | Sega | alien3 | alien3 | |
| alienar | Alien Arena | 1985 | Duncan Brown | | | |
| alienaru | Alien Arena (Stargate upgrade) | 1985 | Duncan Brown | alienar | alienar | |
| aliencha | Alien Challenge (World) | 1994 | IGS | | | |
| alienchac | Alien Challenge (China) | 1994 | IGS | aliencha | aliencha | |
| aliencr | Alien Crush (United Amusements PC Engine) | 1989 | Hudson Soft | | | |
| alienfnt | Alien Front (Rev T) | 2001 | Sega | naomi | | |
| alienfnta | Alien Front (Rev A) | 2001 | Sega | alienfnt | alienfnt | |
| alieninv | Alien Invasion | 19?? | bootleg (Margamatics) | invaders | invaders | |
| alieninvp2 | Alien Invasion Part II | 19?? | bootleg | invaders | invaders | |
| aliens | Aliens (World set 1) | 1990 | Konami | | | |
| aliens2 | Aliens (World set 2) | 1990 | Konami | aliens | aliens | |
| aliens3 | Aliens (World set 3) | 1990 | Konami | aliens | aliens | |
| aliens4 | Aliens (World set 4) | 1990 | Konami | aliens | aliens | |
| aliensa | Aliens (Asia) | 1990 | Konami | aliens | aliens | |
| aliensec | Alien Sector | 1985 | Namco | | | |
| aliensj | Aliens (Japan set 1) | 1990 | Konami | aliens | aliens | |
| aliensj2 | Aliens (Japan set 2) | 1990 | Konami | aliens | aliens | |
| alienstr | Alien Star | 1984 | Gottlieb | | | genpin |
| aliensu | Aliens (US) | 1990 | Konami | aliens | aliens | |
| aliensyn | Alien Syndrome (set 4, System 16B, unprotected) | 1987 | Sega | | | |
| aliensyn2 | Alien Syndrome (set 2, System 16A, FD1089A 317-0033) | 1987 | Sega | aliensyn | aliensyn | |
| aliensyn3 | Alien Syndrome (set 3, System 16B, FD1089A 317-0033) | 1987 | Sega | aliensyn | aliensyn | |
| aliensyn5 | Alien Syndrome (set 5, System 16A, FD1089B 317-0037) | 1987 | Sega | aliensyn | aliensyn | |
| aliensyn7 | Alien Syndrome (set 7, System 16B, MC-8123B 317-00xx) | 1987 | Sega | aliensyn | aliensyn | |
| aliensynj | Alien Syndrome (set 6, Japan, new, System 16B, FD1089A 317-0033) | 1987 | Sega | aliensyn | aliensyn | |
| aliensynjo | Alien Syndrome (set 1, Japan, old, System 16A, FD1089A 317-0033) | 1987 | Sega | aliensyn | aliensyn | |
| aligator | Alligator Hunt (World, protected) | 1994 | Gaelco | | | |
| aligatorp | Alligator Hunt (protected, prototype?) | 1994 | Gaelco | aligator | aligator | |