Georg: Initial version.

2007-12-13T10:26:11Z

Initial version.

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== Release Date ==
MAME 0.121u4 was released on 13 December 2007.

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

* [[Aaron Giles]]
* [[Atari Ace]]
* [[Christophe Jaillet]]
* [[Dirk Best]]
* [[Eric Marks]]
* [[Guru]]
* [[kingshriek]]
* [[Mathis Rosenhauer]]
* [[Nathan Woods]]
* [[Olivier Galibert]]
* [[Phillip Bennett]]
* [[R. Belmont]]
* [[smf]]
* [[Sonikos]]

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

* [[Olivier Galibert]] added a new option -update_in_pause which enables updating the screen bitmap while the game is paused. This is useful for debuggin in some scenarios (and gets in the way in others).

* [[Dirk Best]] added the new VIDEO_TYPE_NONE to indicate that there is no screen, and fixed internal UI displays to ignore resolution parameters if it is specified.

* [[Atari Ace]] added missing consts to the files in the emu, lib, and osd directories.

* [[Atari Ace]] updated drivers to use const structs and arrays where possible.

* [[Sonikos]] made shisen improvements:
** added dips location
** added dips condition
** remove fake dips coinage
** fix tow dips in matchit

* [[Sonikos]] updated inputs in qrouka to support the 3rd and 4th stick.

* [[Nathan Woods]] fixed a crash in mngwrite if the game does not have a palette.

* [[kingshriek]] made SCSP updates:
** Added effect-in mixer
** Added DSP floating-point support
** Added bounds check to the DECAY1 EG output
** Fixed the saw PLFO waveform
** Fixed loop points so loops no longer go out of tune/include garbage samples

* [[Christophe Jaillet]] fixed a missing profiler call in video.c.

* [[Mathis Rosenhauer]] implemented the status flag in the Star Wars matrix processor, which affects gameplay speed.

* [[Phillip Bennett]] changed M37710 CPU to use the CPU clock for its internal timer rather than a hard-coded value. Fixes tempo in Namco NA-1 games.

* [[Aaron Giles]] fixed a accidentally included change that allowed MAME to run in windowed mode if switchres was off.

* [[Aaron Giles]] made Midway Zeus improvements:
** Cleaned up video code, removed unnecessary math
** Added bilinear filtering
** Removed perspective correction
** Added proper video timing configuration
** Added lightgun support to invasn
** Increased resolution on fixed point math to prevent overflows
** Fixed texture addresses to only count even rows
** Added missing U/V scale factors
** Added solid polygon rendering support
** Fixed screen clear trigger
** Implemented fade out effect
** Added Z offsets
** Added support for splitting model commands
** Hooked up FIFO empty IRQ to make invasn work nicely
** Correct PIC values for invasn
** Implemented per-quad texture offsets
** Hooked up writes to registers during model data processing

== Game Support ==
'''New games added or promoted from NOT_WORKING status'''
* [http://www.mameworld.net/maws/romset/mk4 Mortal Kombat 4]
* [http://www.mameworld.net/maws/romset/toukon3 Shin Nihon Pro Wrestling Toukon Retsuden 3 Arcade Edition]
* [http://www.mameworld.net/maws/romset/sws98 Super World Stadium '98]

'''New clones added'''
* [http://www.mameworld.net/maws/romset/trvmstrb Trivia Master (set 3)]

'''New games marked as GAME_NOT_WORKING'''
* [http://www.mameworld.net/maws/romset/kaiunqz Kaiun Quiz]
* [http://www.mameworld.net/maws/romset/sws2000 Super World Stadium 2000]

[[Category:Releases 2007]]

MAME 0.121u4 - Revision history

Georg: Initial version.