This affects a lot of games, but the one which benefits more is Gyruss: it now plays many sound effects which were missing. Tatsuyuki Satoh, Fabrice Frances, Nicola Salmoria, and Pete Ground completely rewrote the 8910 emulator and interface.Tatsuyuki Satoh added YM2151 emulation.You can still revert to the old behaviour using the -fm command line option. This is more accurate than the previous one, which used the SoundBlaster OPL chip, however it is also slower. Tatsuyuki Satoh changed the YM2203 emulation to not use the SoundBlaster OPе…ѓ chip.Aaron Giles made the same change as above to the POKEY interface.This improves sound quality in several games. Nicola Salmoria changed the way 8910 sound is updated: there's no longer a fixed 'updates per frame' value defined in the driver, instead the audio is stream is generated whenever a chip register is written to (and at every vblank).Michael Appolo fixed the character colors in Black Tiger.Gonzalo Casas slightly improved the colors in Locomotion.Martin Scragg added the background starfield to Bosconian.Bernd Wiebelt fixed the brightness in Star Wars.Mike Coates added an appropriate blue background in Scramble, Super Cobra and other games running on the same hardware.Petter SjГ¶lund added better colors in Eggs.As soon as we'll have the correct Zaxxon color PROM, they will be fixed. The reason is that we are using the Super Zaxxon color PROM. A note about Zaxxon colors: we are aware that they are wrong.There probably is another scrolling background missing. Nicola Salmoria fixed the sprites and background in Sidearms.Brad Oliver added emulation of AVG sparkling bit (Tempest stars/fireworks).Nicola Salmoria fixed the sprites in Gunsmoke.Brad Oliver added the background in Millipede.Pete Ground and Mirko Buffoni added accurate colors in Vulgus.Marco Cassili and Nicola Salmoria fixed the colors in Super Basketball, they should now be correct for real (the opponent's shirts weren't changing color in each level).Paul Swan and Nicola Salmoria added accurate colors in Gunsmoke.The known contributions for this version are, in the order specified in the whatsnew: The known contributors for this version are, in alphabetical order: MAME 0.30 was released on 8 January 1998.

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