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Updated 2018 version of MAME (0.78) for libretro. with added game support

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gpstar81/mame2003-xtreme

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mame2003-libretro

MAME as it was in 2003, using the libretro API. Suitable for lower-end devices that would struggle to run current versions of MAME (later versions of MAME are increasingly accurate, thus can perform worse).

ROMset compatibility with MAME 2003

The MAME 2003 core accepts MAME 0.78 ROMsets. Each version of an arcade emulator must be used with ROMs that have the same exact version number. For example, MAME 0.37b5 ROMsets are required by the MAME 2000 emulator, but MAME 0.37b5 sets will not work correctly with the MAME 2003 or MAME 2010 emulator cores. Those cores require MAME 0.78 and MAME 0.139 ROM sets, respectively.

File-not-found errors are the result of a ROMset that is wrong or incomplete, including if you're trying to run a "Split" clone .zip without the parent .zip present. Non-Merged MAME0.78 ROMsets do not require parent .zips to be present.

Multiple lightgun, steering wheel, and "spinner/dial" devices

MAME 2003 has support for multiple mice or touch devices in games that support trackballs, etc.

MAME 2003 also supports one or two spinners/dials via the "Share 2 player dial controls across one X/Y device" core option.

Compiling for the Wii

  • To run on Wii's memory constraints some drivers in src/driver.c must be removed.

Directories

  • Some MAME games require data from an internal hard drive, CD-ROM, laserdisk, or other media in order to be emulated -- those forms of media are packaged as CHD files. CHD files should be copied to subfolders within the folder where the MAME ROM zips have been installed. e.g.:
/libretro content dir/blitz/blitz.chd
  • Some games require an additional zip file with recorded sounds or music in order for audio to work correctly. Audio 'sample' files should be placed in subdirectories within /libretro system dir/mame2003/ e.g.:
/libretro system dir/mame2003/samples/
/libretro system dir/mame2003/hiscore.dat
/libretro system dir/mame2003/cheat.dat
/libretro system dir/mame2003/history.dat
  • User-generated content is placed in sub-directories within /libretro savefile dir/mame2003/ e.g.:
/libretro savefile dir/mame2003/diff/
/libretro savefile dir/mame2003/nvram/
/libretro savefile dir/mame2003/hi/
/libretro savefile dir/mame2003/cfg/
/libretro savefile dir/mame2003/inp/
/libretro savefile dir/mame2003/memcard/
/libretro savefile dir/mame2003/snap/

Core options

  • Frameskip (0-5)
  • DCS Speedhack (enabled/disabled) Speedhack for the Midway sound hardware used in Mortal Kombat 2, 3 and others. Improves performance in these games.
  • Skip Disclaimer (enabled/disabled) Skips the 'nag-screen'.
  • Skip Warnings (disabled/enabled) Skips the warning screen shown before games with incomplete emulation.
  • Samples (enabled/disabled) Requires valid sample zips.
  • Sample Rate (KHz) (11025-48000) Lowering may improve performance on weaker devices
  • Cheats (disabled/enabled) Requires a valid cheat.dat file.
  • Share 2 player dial controls across one X/Y device (disabled/enabled) Some dial/spinner hardware are actually one device with one axis for each player. This supports that setup, by breaking down the normal mouse x/y into two seperate inputs.
  • Mouse Device (mouse/pointer/disabled) Switch between mouse (e.g. hardware mouse, trackball, etc), pointer (touchpad, touchscreen, lightgun, etc), or disabled.
  • TATE Mode (disabled/enabled) Enable if rotating display for vertically oriented games (Pac-Man, Galaga, etc). Requires video_allow_rotate = "false" cfg setting in RetroArch.

Additional configuration information:

Development reference links:

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Updated 2018 version of MAME (0.78) for libretro. with added game support

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