Do you need to know what those codes that get embedded into ROM filenames, such as (UEJ) [!] are?
They're used to help further identify the specific type of ROMs you have.
Standard Codes:
[a] - Alternate
[b] - Bad Dump
[BF] - Bung Fix
[c] - Cracked
[f] - Other Fix
[h] - Hack
[o] - Overdump
[p] - Pirate
[t] - Trained
[T] - Translation
(Unl) - Unlicensed
[x] - Bad Checksum
ZZZ_ - Unclassified
[!] - Verified Good Dump
(???k) - ROM Size Special Codes:
[C] - Color GameBoy
[S] - Super GameBoy
(M#) - Multilanguage (# of Languages)
[M] - Mono Only (NeoGeo Pocket)
(PC10) - PlayChoice 10 (NES)
(1) - Japan (Genesis)
(4) - USA (Genesis)
(5) - NTSC Only (Genesis)
(8) - PAL Only (Genesis)
(BS) - BS ROMS (SNES)
(ST) - Sufami Turbo (SNES)
(NP) - Nintendo Power (SNES)
(Adam) - ADAM Version (Coleco)
(PAL) - PAL Video
Country Codes:
(A) - Australian
(C) - Chinese
(E) - Europe
(F) - French
(FN) - Finland
(G) - German
(GR) - Greece
(HK) - Hong Kong
(I) - Italian
(J) - Japan
(K) - Korean
(NL) - Dutch
(PD) - Public Domain
(S) - Spanish
(SW) - Sweden
(U) - USA
(UK) - England
(Unk) - Unknown Country
(-) - Unknown Country
