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Pages: 1 JonBoyRetro MAME Fan Reged: 09/25/11 Posts: 82 Loc: United Kingdom Send PM Tehkan / Centuri Pleiades missing in-game tune #379440 - 11/09/18 12:33 PM Reply I was messing around with my own PCB recently and noticed the background tune during gameplay. Checking MAME out, the tune appears to be completely missing as far as I can tell (I've tested all of the ROM sets) As Pleiades is a pseudo-sequel to Phoenix (which had its own little tune) , it should come as no surprise that this game also has a similar ditty playing in the background. Perhaps if someone can confirm this, I can add the bug. Check these YouTube videos out to confirm: https://www.youtube.com/watch?v=4nxbz8hy7og https://www.youtube.com/watch?v=F356UpHZe6s https://www.youtube.com/watch?v=RMTX67kJSwk https://www.youtube.com/watch?v=EIhxz_SGwvo Interestingly, this version does NOT have the tune - strange. https://www.youtube.com/watch?v=kEp7I_wzec4 God, I miss those dark, musty arcades .... R. Belmont Cuckoo for IGAvania Reged: 09/21/03 Posts: 9716 Loc: ECV-197 The Orville Send PM Re: Tehkan / Centuri Pleiades missing in-game tune [Re: JonBoyRetro] #379449 - 11/09/18 07:22 PM Reply Yes, this is perhaps the best known emulation flaw in history. Those games used a hardcoded IC intended for use in home doorbells rather than conventional audio hardware, so it's quite difficult to deal with. JonBoyRetro MAME Fan Reged: 09/25/11 Posts: 82 Loc: United Kingdom Send PM Re: Tehkan / Centuri Pleiades missing in-game tune [Re: R. Belmont] #379450 - 11/09/18 07:55 PM Reply Hi, I thought perhaps that maybe Phoenix and Pleiades h/w was similar. Phoenix sounds great. Pity as the tune makes the game! God, I miss those dark, musty arcades .... Tafoid I keep on testing.. testing.. testing... into the future! Reged: 04/19/06 Posts: 3135 Loc: USA Send PM Re: Tehkan / Centuri Pleiades missing in-game tune [Re: JonBoyRetro] #379452 - 11/09/18 08:31 PM Reply > Hi, I thought perhaps that maybe Phoenix and Pleiades h/w was similar. Phoenix sounds > great. Pity as the tune makes the game! https://mametesters.org/view.php?id=1988 Be sure to search MT for driver or machine shortname to see if something may already be reported/logged. AJR Hacker MAME Developer Reged: 02/01/16 Posts: 144 Send PM Re: Tehkan / Centuri Pleiades missing in-game tune [Re: R. Belmont] #379467 - 11/10/18 02:48 AM Reply > Yes, this is perhaps the best known emulation flaw in history. Those games used a > hardcoded IC intended for use in home doorbells rather than conventional audio > hardware, so it's quite difficult to deal with. I'll add that similar "simple melody" chips are used to play tunes in Time Attacker and one bootleg of Atari Tetris. Decapping these chips has been proposed, since the melodies are contained in some amount of internal ROM. Pages: 1

MAMEWorld >> EmuChat Index   Threaded

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