Rom File Codes(Tag)

Standard Codes

Code	Mean	Etc
[!]	Verified Good Dump
[a]	Alternate	Alternate version of a rom, to fix bugs or to eliminate compatibility with Game Genie or Action Replay codes.
[b]	Bad Dump	These usually happen with a bad electrical connection or an incompatibility between the game and the copier. More rarely, an FTP upload may have been corrupted.
[c]	Cracked	Cracked, that is, fixed to run better on a copier or emulator
[f]	Other Fix
[h]	Hack	Hack, such as a release group's intro, cheating, compatibility with multiple regions, graphic changes, or even a total conversion of the game engine.
[o]	Overdump	Overdump that contains repeated data that should be discarded.
[p]	Pirate
[t]	Trained
[T]	Translation	[T-] Old translation [T+] New translation
(Unl)	Unlicensed
[x]	Bad Checksum
ZZZ_	Unclassified
(M#)	Multilanguage	# of Languages
(###)	Checksum value	Usually CRC32
(???k)	ROM Size
(PD)	Publick Domain	Internet release authorized for free redistribution.

Platform-specific codes

Game Machine	Code	Mean	Etc
Colecovision	(Adam)	ADAM version
Game Boy	[S]	Super GameBoy enhanced or exclusive
	[C]	Color GameBoy enhanced
	[BF]	Bung fix	rom has been modified to run on Bung's 1.0 flash carts
Game Boy Advance	[hI??]	Intro hacks
Mega Drive/Genesis	[c]	Cart's checksum is known to be faulty
	[x]	Bad Checksum
	[R-]	Countries
Neo-Geo Pocket Color	[M]	Mono only
Nintendo Entertainment System/Famicom	(PRG #)	Version	Same as [a] but more likely to use the publisher's official version numbering
	(PC10)	PlayChoice 10	PlayChoice 10 was an arcade unit which played exact copies of NES games in an arcade cabinet. The machines had a choice of 10 games to choose from and ran for about 3 minutes on 25 cents.
	(VS)	VS Unisystem	VS Unisystem, an NES-based arcade game platform. To prevent piracy, each game used a different permutation of the NES palette, unscrambled by the video chip at run time.
	[hFFE]	Patched for use with Front Far East copiers
	[hM##]	Mapper hack	These games have been patched to run on NES boards of type #, following the iNES numbering standard.
Super Nintendo Entertainment System/Super Famicom	(BS)	Broadcast Satellaview	Broadcast Satellaview was a satellite receiver for the Super Famicom in Japan. Roms were transmitted along with a TV show which was connected to the game in some way. These games were only playable during the show, and thus stop after an hour, and many were timed so that only certain time periods were playable.
	(ST)	Sufami Turbo	The Sufami Turbo device allowed two Game Boy sized carts to be plugged into the SNES. Certain carts combined into new games much like the Sonic & Knuckles lock-on technology by Sega.
	(NP)	Nintendo Power	Nintendo Power magazine has been known to release games only available to its subscribers. Most of these roms are Japanese, as this practice occured mainly in Japan.
	(NSS)	Nintendo Super System	These were arcade versions of games.

Standard Country Codes

Code	Region
(A)	Australia
(C)	China
(E)	Europe
(F)	France
(FC)	French Canadian
(FN)	Finland
(G)	Germany
(GR)	Greece
(HK)	Hong Kong
(I)	Italy
(J)	Japan
(K)	Korea
(NL)	Netherlands
(S)	Spain
(SW)	Sweden
(U)	USA and English Canadian
(UK)	United Kingdom
(W)	World
(Unk)	Unknown country
(PAL)	Europe and other regions using PAL TV system.

Mega Drive/Genesis Country Codes

Code	Region
(1)	Japan and Korea
(4)	USA and Brazil NTSC
(5)	NTSC Only
(8)	PAL Only
(B)	non-USA
(W)	World

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