Slug 6 Mame 0139u1 — Metal
Emulating Metal Slug 6 is different from emulating Metal Slug 3 or X. Because it moved away from the Neo-Geo hardware, the game features:
Auto-Timestamped States
Automatically save a state every 60 seconds (optional) with metadata: level, score, life count, weapon type.
Slot Description Display
When saving, prompt for a short label (e.g., "Boss 1 start, Heavy Machine Gun"). Display this on screen briefly when loading.
Slot Preview
Show a small screenshot of the saved state as thumbnail when browsing slots. metal slug 6 mame 0139u1
Hotkey for Rotating States
F10 = cycle through recent autosaves; F11 = load last autosave before death (useful for tough sections).
Released in early 2011 (as part of the u1 update cycle for version 0.139), this update wasn't a major numbered release, but it contained crucial patches:
Before diving into the technical setup, let’s appreciate why you are going through this effort. Metal Slug 6 is not just a re-skin of Metal Slug 3 or 5. It introduced radical changes: Emulating Metal Slug 6 is different from emulating
Running this on MAME 0.139u1 via an Atomiswave dump (usually named mslug6.zip) gives you the definitive arcade experience on a PC.
Note: This is for historical/archival discussion. You need to legally own the arcade board or ROM.
If you are setting this up on MAME 0.139u1, here are the critical steps to ensure a crash-free experience: Auto-Timestamped States Automatically save a state every 60
1. The ROM Set Match The most common error users face is a ROM mismatch. MAME is strict; a ROM designed for MAME 0.150 will not work on MAME 0.139u1. You must source the specific Metal Slug 6 (Atomiswave) ROM set that corresponds to the 0.139u1 version.
2. BIOS Requirements
Unlike Neo-Geo games which require the neogeo.zip BIOS, Atomiswave games require the awbios.zip file.
3. Controls and Gameplay Metal Slug 6 utilizes more buttons than its predecessors (Weapon Stock, Special Attack). By default, MAME 0.139u1 may map these awkwardly.
4. Known Issues in 0.139u1 While this version is stable, be aware of: