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# MAME 2003 Midway - RetroBIOS

Type | libretro
Classification | frozen_snapshot
Source | https://github.com/libretro/mame2003_midway
Upstream | https://www.mamedev.org
Version | 0.78
Profiled | 2026-03-24
Cores | mame2003_midway

Technical notes

Stripped-down MAME 0.78 build with only 4 Midway driver files (midtunit, midwunit, midxunit, midyunit). Targets RAM-constrained devices that cannot load the full mame2003 core. Supports ~50 games (Mortal Kombat series, NBA Jam, Smash TV, Total Carnage, etc.).

No shared BIOS ZIPs needed — all Midway games are self-contained ROM sets.

Uses system_dir/mame2003/ for data files (shared path with mame2003). Data files are not bundled in this repo.

4 files | 0 required, 4 optional | 3 in repo, 1 missing Categories: 4 game data

`hiscore.dat` -optional, game_data

- Source: `src/hiscore.c:18,225`
- high score definitions, loaded from system_dir/mame2003/

`cheat.dat` -optional, game_data

- Source: `src/cheat.c:839,8597-8607`
- cheat definitions, loaded from system_dir/mame2003/

`history.dat` -optional, game_data

- Source: `src/datafile.c:51,619-623`
- game history database, loaded from system_dir/mame2003/

`mameinfo.dat` -optional, game_data, missing from repo

- Source: `src/datafile.c:52,649-653`
- game technical information database, loaded from system_dir/mame2003/

Generated on 2026-03-25T14:56:43Z