Difference between revisions of "MAME"

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[[File:Mess sysinfo.png|thumb|260px|MESS shows a very MAME-like system info box on launch]]
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[[File:Mess sysinfo.png|thumb|260px|MESS shows a very MAME-like system info box on launch. ''(And yes, for some reason the reported resolution is one pixel off in this particular version of MESS.)'']]
  
 
'''''MESS''''' (Multi Emulator Super System) is an emulator for vintage computers, gaming consoles, chess computers, and calculators. It is a descendant of the MAME arcade emulation project and just like MAME, the most important goal of MESS is highly accurate emulation, not speed. MESS and MAME are mainly preservation projects that aim to reproduce the behavior of the real hardware perfectly.
 
'''''MESS''''' (Multi Emulator Super System) is an emulator for vintage computers, gaming consoles, chess computers, and calculators. It is a descendant of the MAME arcade emulation project and just like MAME, the most important goal of MESS is highly accurate emulation, not speed. MESS and MAME are mainly preservation projects that aim to reproduce the behavior of the real hardware perfectly.

Revision as of 12:36, 16 August 2011

MESS shows a very MAME-like system info box on launch. (And yes, for some reason the reported resolution is one pixel off in this particular version of MESS.)

MESS (Multi Emulator Super System) is an emulator for vintage computers, gaming consoles, chess computers, and calculators. It is a descendant of the MAME arcade emulation project and just like MAME, the most important goal of MESS is highly accurate emulation, not speed. MESS and MAME are mainly preservation projects that aim to reproduce the behavior of the real hardware perfectly.

Currently, over 450 systems are supported, including the CPC and CPC Plus ranges and the GX4000.[1] MESS currently does not render the border area of the CPC screen, so physical screen resolution in MESS is 640x200 as the system info box shows.

MESS runs on Windows, Mac OS X, Linux, and FreeBSD.

Command line arguments

Name Argument Allowed file extensions
Printer -print .prn
Snapshot -dump .sna
Disk drive A -flop1 .dsk
Disk drive B -flop2 .dsk
Tape -cass .wav; .cdt
Cartridge -cart .cpr; .bin (Plus series and GX4000 only)

Sources: [2] and [3]

Supported file types can also be shown with the "-listmedia" command line option.

Keyboard options

MESS generally supports two keyboard mode command line options: emulated (the default; based on key position) and natural (command line option "-natural"; based on the character generated by a key, e.g. pressing "z" will always generate a "z" on the emulated system, even if the keyboard positions are different). In emulated mode, keys can also be remapped in the menu: press Tab, then select Input (this system).

ROMs

Just as in MAME, some MESS ROMs have parent ROMs that also need to be installed. E.g., cpc6128.zip also requires cpc464.zip to run.

ROMs often only work with a specific version of MESS. This does not seem to affect CPC ROMs, but other systems sometimes give an error message when ROM filenames or checksums do not match what MESS expected.

Front-ends

Various GUI front-ends for MESS exist for Windows, Linux, and OS X—see the list here: [4]

MessMenu on OS X with a CPC ROM selected

Links