0.89u4 0000-00-00 [#221 - David Haywood]
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New Games / Clones supported or promoted from GAME_NOT_WORKING status:
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Desert Breaker (FD1094 317-0196) [Gerald, David Haywood]

Clones
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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
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Jackie Chan in Fists of Fire (protection issues)


General Improvements
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- 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].