0.89u4
------

General Improvements
--------------------
Added MVP dips [Brian Troha]
Fixed Reset crash in decocass driver [Juergen Buchmueller]
Added support for alt bios set and changed games to use generic unknown
dips in decocass driver [David Haywood]
Cleaned up z80 core, removing the optional inexact emulation mode and
the leading underscores from macro names to comply with C99 naming
conventions [Juergen Buchmueller]
Additional 64-bit integer related cleanups in model3/ppc [Lawrence Gold]
Fixed a history list overrun in 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 [Nathan Woods]
Fixed memory.c MAX BANKS problem [Nathan Woods]
Added difficulty dips in Scorpion [Chaneman]
artwork070u4 fix [BUT]
074u1ora.diff fix [Rene Single]
Cleanup of Jackal and Mikie driver [Curt Coder]
Fixed missing sprites in Steel Gunner [Phil Stroffolino]

New Games / Clones supported or promoted from GAME_NOT_WORKING status:
----------------------------------------------------------------------
Desert Breaker (FD1094 317-0196) [Gerald, David Haywood]

Clones
------
Alien Storm (US, 3 Players, FD1094 317-0147) [Gerald]
Tetris (Japan, System 16A, FD1094 317-0093a) [Thierry]
Shinobi (set 3, System 16A, unprotected) [Gerald, Thierry]
Wrestle War (FD1094, 317-0102) [Andy Conroy]
Greyhound Trivia (alt questions) [Pierpaolo Prazzoli]
Jump Coaster (Taito) [Thierry, Gerald]

New Non-working
---------------
Jackie Chan in Fists of Fire
protection issues