MAME 0.21

Release Date

MAME 0.21 was released on 12 May 1997.

Contributors

The known contributors for this version are, in first-name alphabetical order:

• Dark Schneider
• Nicola Salmoria
• Ville Laitinen
• Virtu-Al

Specific Contributions

The known contributions for this version are, in the order specified in the whatsnew:

• Virtu-Al submitted full color support for Amidar and Turtles.
• The colors in Arabian (Atari) were corrected.
• A bug where star backgrounds would slow down when frameskipping was fixed.
• The music tempo in 1942 (set 1) was fixed.
• The color strips in Space Invaders were adjusted slightly.
• Mad Planets no longer crashes with its updated sample set.
• Proper colors were added to Warp Warp (Rock-ola set 1).
• The DIP switches in Elevator Action were corrected.
• Dark Schneider submitted a core for the Motorola 6809 CPU.
• Nicola Salmoria added busy-wait detection to the Zilog Z80 CPU core.
• Volume adjustment was added via the "MasterVolume" configuration parameter.
• When bringing up the F4-based tile viewer, DIP switch, or pause screens, audio output is now suspended.
• The user can now redefine the keys that MAME uses.
• The structure used by game samples was modified slightly.

Game Support

• Working Games Added
  • Donkey Kong (Japan set 1)
  • Galaga (Midway set 1 with fast shoot hack)
  • Invader's Revenge
  • Jungle Hunt (US)
  • Kangaroo (Atari)
  • Super Pac-Man (Midway)

MAME Firsts

• First version of MAME to support the Motorola 6809 CPU core.
• First version of MAME to support redefinable controls.
• First version of MAME to support a game with an unknown year.