Release Date

MAME 0.89u4 was released on 11 December 2004.


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

Specific Contributions

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

  • David Haywood added support for alt bios set and changed games to use generic unknown DIP switches in the decocass driver
  • Juergen Buchmueller cleaned up the z80 core, removing the optional inexact emulation mode and the leading underscores from macro names to comply with C99 naming conventions
  • Lawrence Gold made additional 64-bit integer related cleanups in model3/ppc
  • Nathan Woods fixed a history list overrun in the New Debugger when the down arrow key is pressed when the history list is empty
  • Nathan Woods added support for DASMFLAG_STEP_OVER and DASMFLAG_STEP_OUT flags in i386 core
  • Chaneman added difficulty DIP switches in Scorpion
  • BUT fixed artwork070u4
  • Curt Coder cleaned up the Jackal and Mikie driver

Game Support

New Games supported or promoted from GAME_NOT_WORKING status

New clones added

New games marked as GAME_NOT_WORKING