MAME 0.123u6

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Release Date

MAME 0.123u6 was released on 19 March 2008.


Contributors

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:

  • Zsolt Vasvari added a new device type for timers. Where applicable, added a parallel set of timer functions that take a device_config instead of an emu_timer. Added MDRV_TIMER_* macros to define the timers in the machine driver. Implemented both periodic and scanline-based timer variants. Modified Space Encounters and Centipede to make use of this feature. Going forward, this is the preferred way of creating periodic timers.
  • Roberto Fresca updated Magicfly:
    • Completed the component list & PCB layout.
    • Added technical references to register $63 (magicfly).
    • Switched crystal to new predefined format.
  • Roberto Fresca updated Funworld:
    • Added proper inputs to jolyc980.
    • Added temporary patch to allow bypass the "code" screen in jolyc980.
    • Updated technical notes.
  • Zsolt Vasvari changed exidy440_sound_command back to "UINT8." Since it's used by both 8-bit and 16-bit systems, the automatic allocation is not worth it if you need an ugly UINT16 ** cast. Removed deprecat.h from some of the exidy files.
  • Zsolt Vasvari fixed Air Buster bootleg from reseting because of the watchdog.
  • Zsolt Vasvari changed the on-screen "Reset by watchdog" message so it only appears in debug builds now.
  • Mr. Do added internal artwork for Gorf.
  • Nathan Woods added a crosshair_set_screen() to allow drivers to control which screen(s) on which crosshairs are displayed.
  • Aaron Giles made it a fatalerror to registr save state callbacks at the wrong time if the current driver claims to support save states.
  • Aaron Giles fixed chicken and egg problem with device_start callbacks:
    • Added DEVINFO_INT_TOKEN_BYTES, which is queried before device startup. It should return the size of the structure that will be hung off of device->token. It must not return 0.
    • Changed the core device interface to allocate and zero a block of memory the size of DEVINFO_INT_TOKEN_BYTES before calling device_start. The pointer to this memory is already attached to device->token at the time device_start is called.
    • The primary motivation for this is to allow the device_start function to make internal calls and pass the device_config * around as if the object were fully constructed. Since the token is used to indicate whether or not a device is live, this makes the device "live" at the time device_start is called rather than after it completes.
  • Aaron Giles moved per-screen initialization into DEVICE_START and per-screen cleanup into DEVICE_STOP in the core video implementation.
  • Aaron Giles fixed render_target_get_minimum_size() to return nominal values if no screens are found.
  • Nicola Salmoria contributed a major update for Alpha Denshi:
    • Fixed Alpha 8201/830x MCU simulation.
    • all hacks from the equites driver removed
    • fixed equites restart position after going underground
    • fixed hvolume, splndrbt 2 players
    • removed hacks from exctsccr2
    • fixed CPU gameplay in shougi
    • added dump of Alpha 8201 MCU to games that use it (the ROM isn't used yet, HMCS44 CPU core needs to be written first)
    • major cleanup of the mess in equites.c:
    • many thanks to Corrado Tomaselli for precious hardware info.
    • implemented bg perspective scrolling using PROMs
    • fixed sprite flip & disable
    • fixed bg color
    • converted bg to tilemaps
    • fixed fg banking
    • fixed screen flip
    • removed meaningless banking of player inputs
    • added UI adjuster for MSM5232 frequency
    • MSM5232 volume control
    • fixed MSM5232 noise LFSR formula (done by Jarek Burczynski; thanks to Corrado Tomaselli for samples)
    • changed MSM5232 emulator to output channels separately
    • added output of SOLO channels to MSM5232 emulator.
    • fixed champbas inputs
    • merged talbot with champbas, some driver clenaup
    • fixed shougi inputs
    • switched exctsccb to use the correct gfx ROMs (matches screenshot found in 01058 exctsccb: Exciting soccer bootleg should be placed in champbas.c.)
    • fixed sprite bpp in exctscrr, removed the horrible hacks that were used to fix colors and transparency.
    • fixed sound clipping in exctsccr
    • added percussions to the equites.c games using samples; sound board emulation is still not complete. Cymbal hit and hi-hat are missing; bassline is incorrect, and DAC output should be filtered
  • Zsolt Vasvari removed unneeded pen lookups in drawgfx. Did some code formatting clean-up.
  • Aaron Giles fixed chdman -extract to a physical drive on Windows.
  • Aaron Giles added return value to video_screen_update_partial() indicating whether or not the VIDEO_UPDATE was called as a result.
  • RansAckeR made DIP switch improvements:
    • 1945kiii.c, 88games.c and 40love.c: Made use of PORT_DIPUNKNOWN_DIPLOC
    • 40love.c: Made use of PORT_INCLUDE
    • 8080bw.c: Added more dip locations; Made use of PORT_INCLUDE
    • wilytowr.c: Added dip locations for atomboy/wilytowr; Fixed coin modes
    • battlane.c, battlera.c, battlnts.c, bbusters.c: added dip locations
    • battlnts.c: made use of PORT_INCLUDE; fixed unknown dip switch
    • bbusters.c: added note regarding correct gun calibration
    • bionicc.c: Added dip locations
    • bladestl.c: Added dip locations, made use of PORT_INCLUDE
    • blockade.c: made use of PORT_INCLUDE
    • beezer.c: Added dip locations
    • bfm_sc2.c: dip switch improvements, made use of PORT_INCLUDE
  • James Wallace conerted the MPU4 driver to use an HD6845, as the Hitachi part was on the PCB, while also using it to generate the VBLANK, rather than hardcoding a value. Added the pulldown resistor to the network, and added all the conditional inputs. Please note that on the later Cabinet Types (Ready Steady Go-1 onwards), the 10p slot is locked out (location of the true register for this is unknown), but the input setting is correct - you have to use Coin 2 or higher to get money in.
  • Oliver Stoenberg fixed "garbage" (newlines) in the debugger window when debugging the SH-4 CPU.


Game Support

New games added or promoted from NOT_WORKING status

New clones added

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