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Text File | 1998-10-15 | 25.1 KB | 718 lines

0.34 BETA 5 New ROM sets supported (in no particular order): ------------------------------------------------ Ring King / King of Boxer (merged) [Ernesto Corvi] Time Tunnel [Thierry Lescot] Bio Attack (no collision detection) [Thierry Lescot] Sea Fighter Poseidon (not working due to protection) [Nicola Salmoria] Top Gunner (bootleg; also fixed the original set) [Nicola Salmoria] Black Tiger (bootleg) (merged) [Marco Cassili] Pinball Action (set 2) (merged) [Marco Cassili] Exerion (Taito) (merged) [Nicola Salmoria] Space Trek (cocktail version) [Nicola Salmoria] Phoenix (IRECSA) (merged) [David Winter] Regulus (not encrypted) (merged) [Thierry Lescot] plus several Neo Geo games These drivers have improved GRAPHICS: ------------------------------------- - Fixed sprite flipping in Super Qix. [Mirko Buffoni] These drivers have new or improved SOUND: ----------------------------------------- - Partial sound in Punk Shot. [Nicola Salmoria] These drivers have HIGH SCORE support: -------------------------------------- - Champion Baseball. [Howie Cohen] - Quantum. [Nicola Salmoria] Changes to the main program: ---------------------------- - Improved the user interface. Use "the key on the left of 1" (tilde on some leyboards) to turn on the On Screen Display which lets you change Volume, Gamma Correction, Brightess, and independently set the volume levels of the sound chips. Tab still brings up the setup menu, which is now asynchronous. [Nicola Salmoria] - [DOS] Improved the profiler. It now REQUIRES the Pentium-class RDTSC instruction. It will not work on 486s, older Pentiums, and maybe other non-Intel CPUs. [Nicola Salmoria] Source: ------- - x86 ASM 68000 core. This is a major speed improvement. [Mike Coates, Darren Olafson] - YM3812 and YM3526 software emulator. In the DOS version it is disabled because we are using the 100% compatible SoundBlaster OPL chip. [Carl-Henrik Skårstedt] - A begginning for a YM2413 emulator. It pushes data through the YM3812. [Paul Leaman, Ernesto Corvi] - I86 disassembler for the debugger, based on code by Robin Hilliard. [Andrea Mazzoleni] - New functions install_mem_read_handler() and install_mem_write_handler(). They can be used to install special memory handlers (for example, to trap busy loops, or to make small changes to the memory map for games running on similar hardware). [Alex Pasadyn] - New field driver_init in the GameDriver structure. It's an optional function which can be used to do some game specific initialization, for example by adding memory handlers using the above functions. [Nicola Salmoria] Changes to the cheat system [Stephane Humbert] New in MAME 034b4 : * Possibility of "circular" values in search method 1: - if you press OSD_KEY_LEFT or OSD_KEY_DOWN when value is 0, it turns to 0xFF - if you press OSD_KEY_RIGHT or OSD_KEY_UP when value is 0xFF, it turns to 0. * Added the possibility of toggling the watches display ON (Insert) and OFF (Del) . * Possibility to work on another cheat file (CHEAT.DAT is just the default one) by using option "-cheatfile xx" * Added new types of cheats: - 20-24 : same as 0-4 but they force bits to 1 - 40-44 : same as 0-4 but they force bits to 0. New in MAME 034b5 : * 15 active cheats instead of 10. * Free memory before the start of a new search. * Possibility of searches in CPUs other than 0 : a question is asked to the user to choose a CPU (0 default) when he starts a new search and the game has more than one CPU. * Possibility to view watches for CPUs other than 0. * CPU is displayed with the watches. * Possibility to change the CPU of a watch by pressing 9 (previous CPU) and 0 (next CPU) . * Possibility to copy a cheat code by pressing F4. * Possibility to rename the cheat filename by pressing F5. * Possibility to save all the cheat codes to disk by pressing F6. * Possibility to remove all the cheat codes from the active list by pressing F7. * In the edit cheat, on the data line : - Home sets the value to 0 - End sets the value to 0x80. * Possibility to use to use Home, End, PgDown and PgUp to select a cheat code in the list. * Data is saved on 2 hex digits (%02X) . ========================================================================== 0.34 BETA 4 New ROM sets supported (in no particular order): ------------------------------------------------ Arm Wrestling [Nicola Salmoria] Karate Champ (1 Player) [Ernesto Corvi] Mr. TNT [Brad Oliver] Alpine Ski (two sets merged) [John Butler] Tokio / Scramble Formation (two sets merged) [Marcelo de G. Malheiros, Fredrik Sjostedt] Tiger Heli (4 sets merged, only 2 work) [Nicola Salmoria] Turbo (preliminary) (3 sets merged) [Alex Pasadyn, Howie Cohen, Frank Palazzolo] Express Raider (2 sets merged) [Ernesto Corvi] Arkanoid 2 [Luca Elia, Mirko Buffoni] Rockman [Paul Leaman] Captain Commando [Paul Leaman] Discs of Tron (Upright) (merged) (the other, which is the Environmental, is now called "dotrone") [Nicola Salmoria] Tron (set 2) (merged) [Nicola Salmoria] Vanguard (Centuri) (merged) [Nicola Salmoria] 1942 (set 3) (merged) [Nicola Salmoria] Bionic Commando (set 2) (merged) [Nicola Salmoria] Commando (Data East) (merged) [Nicola Salmoria] Ghosts 'n Goblins (Taito) (merged) [Nicola Salmoria] Vulgus (set 2) (merged) [Nicola Salmoria] Silkworm (set 2) (merged) [Nicola Salmoria] Cop 01 (set 2) (merged) [Nicola Salmoria] Formation Z (merged with Aeroboto) [Nicola Salmoria] Alex Kidd (not working) [Phil Stroffolino] Alien Storm (not working) [Phil Stroffolino] Aurail (not working) [Phil Stroffolino] Dynamite Dux [Phil Stroffolino] E-Swat (not working) [Phil Stroffolino] Fantasy Zone (not working) [Phil Stroffolino] Flash Point (not working) [Phil Stroffolino] Heavyweight Champ (not working) [Phil Stroffolino] Major League (not working) [Phil Stroffolino] Quartet II (not working) [Phil Stroffolino] SDI (not working) [Phil Stroffolino] Time Scanner (not working) [Phil Stroffolino] Tough Turf (not working) [Phil Stroffolino] Wonder Boy Monster Lair [Phil Stroffolino] Wrestle War [Phil Stroffolino] These drivers have improved GRAPHICS: ------------------------------------- - Pleiads colors might be correct now. [Nicola Salmoria] - Accurate colors in Strategy X. [Gerald Vanderick] - Preliminary backdrop support in Discs of Tron. The background image must be called ARTWORK/DOTRON.PNG. [Mathis Rosenhauer, Brandon Kirkpatrick] These drivers have new or improved SOUND: ----------------------------------------- - Fixed sound pitch and tempo in Donkey Kong. [Mirko Buffoni] - Improved music tempo in SlapFight. [Sebastien Chevalier] - Improved Cop 01 (tempo is still wrong). [Nicola Salmoria] - Sound in all of the working System 16 games. [Phil Stroffolino] - Emulation of the Astrocade sound chip (Gorf, Wizard of Wor, etc.) [Frank Palazzolo] - Improved speech in Gorf. It now plays speech 100% accurately except for the missing samples. [Kevin Bales] These drivers have HIGH SCORE support: -------------------------------------- - Nemesis. [Dani Portillo] - Terra Cresta, Rastan. [Juan Carlos Lorente] Other drivers changes: ---------------------- - Fixed hang on level 7 of Discs of Tron. [Jim Thevenot] - Fixed Blasto. [Juergen Buchmueller] - Fixed controls in Stinger. [Miguel Figueiredo] Changes to the main program: ---------------------------- - Switched to CRC-32 for file integrity checks. The old custom checksums are no longer used. [John Butler, Bernd Wiebelt] - New unzip interface. New zip directory cache and filename cache (the latter only in the DOS version). [Andrea Mazzoleni] - When using zipped files, ROMs are automatically retrieved even if they don't have the expected name (provided they have the correct CRC-32, of course). You'll never have to rename files any more (though you might have to rename zips ;-) [Nicola Salmoria] - [DOS] New command -listcrc. It lists the CRC-32 for all the supported ROMs. 00000000 means that the ROM is known to be bad. [Nicola Salmoria] - Some improvements to the cheat system. [Stephane Humbert] - Fixed bug in the 68000 interrupt handling which causes Rastan Saga to not boot correctly. [Brad Oliver] - [DOS] Experimental profiler. To enable it, use the -profiler parameter; then, hit Left Shift + F11 to show the results on screen. I don't know how accurate the figures are; the "Sound" figure is certainly underestimated for sound chip emulators which don't use streams.c (it is computed under the CPU playing the sound instead that under Sound). Note that the sum of the percentages is much less than 100%. This is in part due to portions of the code which are not profiled, but is also caused by the massive overhead of calling uclock() (which happens very often when sound is playing). [Nicola Salmoria] Source: ------- - New streams.c to abstract audio streams. This makes them easier to use and more efficient. osd_play_streamed_sample() should now be considered a private function and should not be used in new code. [Nicola Salmoria] - Completed the transition to CRC32 checksums. [John Butler, Bernd Weibelt] - Fixed bug in the I8039 external interrupt handling. [Dan Boris] - New file types for osd_fopen(): OSD_FILETYPE_STATE and OSD_FILETYPE_ARTWORK. NeoGeo Mame Support ------------------- This beta contains a major update to the NeoGeo driver. It is still far from perfect but has many improvements over the previous version. This is still very much a 'work-in-progress' driver with many known problems. Hopefully these problems will be fixed soon. How to: You need a zip file called neogeo.zip in your rompath. It should contain at least two files: neo-geo.rom (128k) ng-sfix.rom (128k) There should also be two other roms which are not yet used by Mame, they _will_ be used in future versions of this driver so do not delete them. You also need to place the game zip in your rompath. If you do not know what 8 character filename the NeoGeo game you want to play has you can type: mame -listclones neogeo That will list the 8 character zip names of all currently supported games. What's New? ----------- Many graphics improvements: * 'Missing tiles' in games such as Puzzle Bobble are fixed. * Scaling is improved, but still not perfect. Full screen zooms tend to break (eg, Thrash Rally, Art of Fighting). * 'Japan/Europe/USA' territory selection in dipswitch menu. * Start & coin key positions are moved to their 'standard' MAME positions * Coin inputs work, freeplay is no longer the default. * Soft dipswitches are fully emulated and saved per game, the files are saved to the hiscore directory for now. * Custom drawgfx routine in place. This is slower than the previous MAME release but allows the graphics to be drawn from their native data. This allows: * MEMORY REQUIREMENTS APPROXIMATELY HALVED! And also quicker loading time. * If you experience a 'black screen' for a few seconds after loading it is because the 'pen usage' arrays are being calculated. MAME NeoGeo uses a compressed palette system to give the full NeoGeo 12 bit colour on an 8 bit display. (This is nothing new, almost every other MAME driver for high colour games works in the same way, by choosing only the colours that are actually displayed at any one time). Although this gives better quality it actually takes around 10-15% of the processor time each frame. * There is no 'black screen' at the end of each games demo. All games now behave as per the arcade version and cycle to the 'NeoGeo logo' screen. Notes on soft dipswitches: You can access these from pressing F2 (self test) or setting the test mode dipswitch and resetting the virtual machine. Both soft dips and cabinet settings are saved for each game. If, for some reason, you experience strange gameplay (NOT graphics glitches), the soft dips may have become corrupt (this _is_ still a beta release!), to clear them you can wipe the file in the hiscore directory for the game OR go into the hardware test and select the 'clear backup ram' option (recommended). Other Fixes ----------- Emulation of soft dips fixed many problems games had in previous versions, for example, the game timers being set low in games such as KOTM and Art of Fighting are fixed. Almost all 'gameplay' issues are fixed by this. Sidenote: The 'blood bios' is not needed, nor supported. All games affected by the blood bios actually have the 'blood' option in their soft dip options. It can be turned on & off there without having to use a special bios. In fact any non-standard bios may not work at this point. Due to the much decreased memory requirements large games such as Karnov's Revenge now work. What isn't fixed? ----------------- 'New' games such as Metal Slug, Pulstar, Shock Troopers do not work, either due to protection or bankswitching used in these games (information needed!). The animation in the 'rain' scenes of Karnov's Revenge does not animate! As mentioned before, full screen zooms are not correct. The MVS memory card is not supported. (Probably many other small bugs too). And finally: ------------ Q: Why don't you MAME guys do something original instead of doing something that's already done? A: Tell that to a Mac/Arm/Amiga owner! Q: It's a bit slow... A: The custom graphics draw routine will be improved soon! It was felt that the slowdown was merited due to the advantages of halving memory usage. ========================================================================== 0.34 BETA 3 New ROM sets supported (in no particular order): ------------------------------------------------ Terra Cresta (two sets merged) [Carlos A. Lozano] Regulus [Nicola Salmoria] SWAT [Nicola Salmoria] Heavy Metal [Nicola Salmoria] Brain [Nicola Salmoria] Toki no Senshi [Nicola Salmoria] Gardia (not decrypted YET) [Nicola Salmoria] DakkoChan Jansoh (not working due to encryption) [Nicola Salmoria] Ufo Senshi Yohko Chan (not working due to encryption) [Nicola Salmoria] Wonder Boy (three more sets but I haven't decrypted one of them) (merged) [Nicola Salmoria] Pitfall II (encrypted version) (the other has been renamed pitfallu) (merged) [Nicola Salmoria] Water Ski [Nicola Salmoria] Last Duel (bootleg) (this fixes the graphics) [Bryan McPhail] Lady Bug (bootleg) (merged) [Marco Cassili] Lode Runner (set 1) (merged) (note that the old set has been renamed "ldruna") [Nicola Salmoria] Lode Runner (2 Players) (this is different from the other) [Nicola Salmoria] Penguin-Kun Wars (two sets merged) [Allard van der Bas] Stinger [Nicola Salmoria] Zig Zag (2 sets merged) [Nicola Salmoria] River Patrol / Silver Land [Zsolt Vasvari] Jumping (merged with Rainbow Islands) [Mike Coates] 600 (merged with Turtles) [John Dondzila] Area 88 (merged with UN Squadron) [Santeri Saarimaa] 720 Degrees (set 2) (merged) [Nicola Salmoria] Crystal Castles (set 2) (merged) [Nicola Salmoria] Kangaroo (bootleg) (merged) [Nicola Salmoria] Klax (set 3) (merged) [Nicola Salmoria] Missile Command (set 2) (merged) [Nicola Salmoria] Pooyan (Konami) (merged) (the Stern set is now called "pooyans") [Nicola Salmoria] Neo Mr. Do [Bud Crittenden] These drivers have improved GRAPHICS: ------------------------------------- - Fixed fg/bg priority in TeddyBoy Blues and Choplifter. [Nicola Salmoria] - Colors in Shark Attack. [Mike Balfour] - Fixed transparency in Fire Trap. [Nicola Salmoria] - Fixed gfx banks in Pop Flamer. [Brad Oliver] These drivers have new or improved SOUND: ----------------------------------------- - Fixed speech in Karate Champ. [Ernesto Corvi] - Fixed pitch in the System 8 games. [Hiromitsu Shioya] - Sound in Exterminator. Have your PII/900 handy ;-) [Zsolt Vasvari] - Added smoothing to ADPCM playback. [Juergen Buchmueller] - Added RC filter emulation to Gyruss. This improves some sound effects, e.g. the force field noise. [Francesco Caporali] - Added ADPCM sounds to Renegade. [Phil Stroffolino] - Fixed speech in King & Balloon. [Brad Oliver] - Added ADPCM sample playback to the bootleg Hyper Olympic. [Nicola Salmoria] - Sound in Mysterious Stones. [Nicola Salmoria] These drivers have HIGH SCORE support: -------------------------------------- - Shark Attack. [Mike Balfour] - Flicky, Bull Fight, I'm Sorry, Star Jacker, Mr Viking, 4d Warrior, TeddyBoy Blues, Beastie Feastie, Contra, Cobra Command, Super Qix, Vigilante, Pang, HigeMaru, Hexa. [Juan Carlos Lorente] - Tiger Road, Karnov, Chelnov, Heavy Barrel, Bad Dudes, Robocop, Hippodrome, Sly Spy, Midnight Resistance. [Dani Portillo] - Fixed Star Force. [Dani Portillo] Other drivers changes: ---------------------- - Improved Gladiator input handling. [Tatsuyuki Satoh] - Improved the System 16 drivers. [Phil Stroffolino] - Fixed movement of the squares in Checkman. [Brad Oliver] Changes to the main program: ---------------------------- - Rewritten the SN76496 emulator. This fixes speech in Choplifter. [Nicola Salmoria] - [DOS] New -romident option. Use "MAME -romident dirname" to identify unknown ROM sets. Source: ------- - Improved unzip code robustness when dealing with corrupt archives. [John Butler] - Fixed SBCD in M68000 disassembler. [Mike Coates] - CRC-32 checksums for most files are in place. [Bernd Wiebelt] ========================================================================== 0.34 BETA 2 New ROM sets supported (in no particular order): ------------------------------------------------ F1 Dream (bootleg) (merged) (this one works) [Paul Leaman] Pang [Paul Leaman] Pac Man Plus [Clay Cowgill, Mike Balfour] Beastie Feastie [Clay Cowgill, Mike Balfour] Tecmo Knight [Nicola Salmoria] Bull Fight [Nicola Salmoria] 4D Warriors [Nicola Salmoria] Block Gal (not working due to encryption) [Nicola Salmoria] Wonder Boy (three sets, all merged with WB Deluxe) [Nicola Salmoria] I'm Sorry (Japan) (merged) [Marco Cassili] My Hero (Japan) (merged) [Nicola Salmoria] Flicky (set 2) (merged) [Nicola Salmoria] Ninja Princess (original) (merged) (the other set, which seems to be a bootleg, has been renamed "nprincesb") [Nicola Salmoria] Frogs [Nicola Salmoria] Samurai [Nicola Salmoria] Sasuke vs. Commander [Nicola Salmoria] Subs [Mike Balfour] Vigilante (two sets merged) [Mike Balfour, Phil Stroffolino] Exterminator (VERY SLOW) [Alex Pasadyn, Zsolt Vasvari] COP 01 [Carlos A. Lozano] Renegade (two sets, only the bootleg works) [Phil Stroffolino] Hustle [Frank Palazzolo] Tomahawk 777 (two sets merged) [Zsolt Vasvari] Karate Champ (VS and Karatedo, merged) [Ernesto Corvi] Astro Fighter (set 3) (merged) [Zsolt Vasvari] Side Track [Al Kossow] Spectar (revision 3) (merged) (the previous one has been renamed "spectar1") [Al Kossow] Venture (version 4) (merged) [Al Kossow] Venus (merged with Gyruss) [Nicola Salmoria] APB (set 2) (merged) (this fixes the title screen) Lost Tomb (hard) (merged) [Michael Appolo] Hyper Olympic (bootleg) (merged) [David Winter] Brix (merged with zzyzzyxx) [Brad Oliver] Shark Attack [Victor Trucco] Mikie (headbutt version) (merged) (the other set has been renamed "mikiehs") [Nicola Salmoria] And a whole new bunch of Neo Geo games (NOT TESTED) These drivers have improved GRAPHICS: ------------------------------------- - The background in Golden Star changes color correctly. [Nicola Salmoria] - Accurate colors in Astro Fighter (PROMs required). [Zsolt Vasvari] - Accurate colors in Lost Tomb (PROMs required). [Michael Appolo] - Fixed tile flipping bug in Solomon's Key. [Nicola Salmoria] These drivers have new or improved SOUND: ----------------------------------------- - The music in Bubble Bobble seems to stay in sync now. [Tatsuyuki Satoh] Other drivers changes: ---------------------- - Dynasty Wars works (actually it was already working, it's just that the dip switches had Freeze on by default). - Front Line and Tin Star have the aiming dial (using a dual joystick setup). Also, you can now kill and be killed in Front Line. However, collision detection is not accurately emulated. [Nicola Salmoria] - Fixed ending in Robocop. [JC Alexander] - *FINALLY* fixed Commando sometimes not starting. It was a bug in the decode routine, which has been completely rewritten. [Nicola Salmoria] Changes to the main program: ---------------------------- - Vector translucency can be turned off with -notranslucency. [Valerio Verrando] Source: ------- - TMS34010 emulator. [Alex Pasadyn, Zsolt Vasvari] - Replaced the 6502 emulator with a new one which also supports 65C02 and 6510. Marat Fayzullin's core is no longer used. [Juergen Buchmueller] - Fixed a bug in the 68000 BCD emulation which caused the F1 Dream timer to malfunction. [Nicola Salmoria] - New function osd_on_screen_display() to show text over the game screen. [Nicola Salmoria] - Fixed bug in the Z80 block I/O instructions (INI, IND, INIR, INDR, OUTI, OUTD, OTIR, and OTDR). [Frank Palazzolo] - Updated the FM emulation and the way the 8910 updates its buffers. FM also has support for YM2608 and YM2612, though they are not compiled in. [Tatsuyuki Satoh] - [DOS] Rearranged the makefile using archives to work around E2BIG error on some machines. [Juergen Buchmueller] - Support for CRC-32 checksums instead of MAME's custom ones. The actual CRCs will be added later to the drivers. [John Butler] ========================================================================== 0.34 BETA 1 IMPORTANT: now most games load the color PROMs from disk. You'll have to add the missing files to the archives. New ROM sets supported (in no particular order): ------------------------------------------------ HigeMaru [Mirko Buffoni] Sega Ninja / Ninja Princess (merged) [Jarek Parchanski, Nicola Salmoria] My Hero [Jarek Parchanski] I'm Sorry [Nicola Salmoria] Flicky [Nicola Salmoria] TeddyBoy Blues [Nicola Salmoria] Star Jacker [Nicola Salmoria] Mister Viking [Nicola Salmoria] Future Spy [Nicola Salmoria] Avengers (two sets merged) (not working due to protection) [Paul Leaman] Bionic Commando [Steven Frew, Phil Stroffolino, Paul Leaman] Dynasty Wars (not working) [Paul Leaman] Varth [Paul Leaman] Electric Yo-Yo (not working due to protection) [Al Kossow] Tag Team Wrestling [Steve Ellenoff, Brad Oliver] Gridiron Fight [Nicola Salmoria] several Neo Geo games (NOT TESTED) [Shin Emu Keikaku team] King & Balloon [Brad Oliver] Super Mouse [Brad Oliver] Intrepid [Zsolt Vasvari] Moon War II [Brad Oliver] Calipso [Brad Oliver] Hard Hat [Al Kossow] Psychic 5 [Jarek Parchanski] Great Swordsman [Steve Ellenoff] Max RPM (no sound due to missing ROMs) [Aaron Giles] The Tin Star (not complete) [Nicola Salmoria] several 8080 games [Al Kossow] Pot of Gold [Nicola Salmoria] M79 Ambush [Al Kossow] Twin Cobra (preliminary) [Quench] Kick (upright version) (merged) [Nicola Salmoria] Golden Castle (merged with gladiatr) [Steve Ellenoff] Speak & Rescue ("speakres") [Al Kossow] These drivers have improved GRAPHICS: ------------------------------------- - Fixed colors in Fast Freddie (sorry... this slipped by in 0.33 final). - In Mario Bros., the screen bounces when you hit POW. [Brad Oliver] - Improved Slap Fight. [Christoff Feldtmann] - Accurate colors in Money Money and Jack Rabbit. [Nicola Salmoria] - Enemies in TNZS are now visible, using the gfx ROMs from a new set (which is not supported yet). [Chris Moore] - Fixed sticking sprites in Pnickies and Nemo. [Paul Leaman] These drivers have new or improved SOUND: ----------------------------------------- - Sound in Gladiator. [Steve Ellenoff] These drivers have HIGH SCORE support: -------------------------------------- - Pinball Action. [Dani Portillo] These drivers have HIGH SCORE support: -------------------------------------- - Xain'd Sleena/Solar Warrior. [Dani Portillo] Other drivers changes: ---------------------- - The original Elevator Action now works, using the 68705 mcu ROM which was missing. Since there is one additional CPU to emulate, it is slower than the bootleg version. [Nicola Salmoria] - Replaced Front Line with the complete set containing the 68705 code. It still doesn't work though. [Nicola Salmoria] - Replaced Golden Star with the original, encrypted set. [Mirko Buffoni] - Improvements to the System 8 driver. [Nicola Salmoria] Changes to the main program: ---------------------------- - Fixed a bug in the NOT instruction of the 68000 core. [Mike Coates] - You can proceed from the "press OK to continue" screen by pushing left then right. You can also immediately quit by pressing ESC. [Nicola Salmoria] Source: ------- - Moved the Sega encryption code used by Flicky, Future Spy, and many others, to machine/segacrpt.c. [Nicola Salmoria] - Added memory_region_length field to the RunningMachine structure. This could be useful for drivers which handle several games on similar hardware. [Nicola Salmoria]