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r15488 Thursday 21st June, 2012 at 04:34:23 UTC by Justin Kerk
[ODYSSEY2] Fixed noise channel. [Justin Kerk, Kevtris]

[src/mess/drivers]	odyssey2.c
[src/mess/video]	odyssey2.c

src/mess/video/odyssey2.c

r15487	r15488
655	655	state->m_sh_count = 0;
656	656	signal >>= 1;
657	657	/* Loop sound */
658		if( state->m_o2_vdc.s.sound & 0x40 )
659		{
660		signal |= *buffer << 23;
661		}
	658	signal |= *buffer << 23;
662	659	/* Check if noise should be applied */
663	660	if ( state->m_o2_vdc.s.sound & 0x10 )
664	661	{
r15487	r15488
669	666	state->m_o2_vdc.s.shift3 = signal & 0xFF;
670	667	state->m_o2_vdc.s.shift2 = ( signal >> 8 ) & 0xFF;
671	668	state->m_o2_vdc.s.shift1 = ( signal >> 16 ) & 0xFF;
	669	old_signal = signal;
672	670	}
673	671
674	672	/* Throw an interrupt if enabled */

src/mess/drivers/odyssey2.c

r15487	r15488
330	330	ROM_END
331	331
332	332	/*     YEAR  NAME      PARENT   COMPAT  MACHINE   INPUT     INIT      COMPANY     FULLNAME     FLAGS */
333		COMP( 1978, odyssey2, 0,      0,      odyssey2, odyssey2, odyssey2, "Magnavox", "Odyssey 2", GAME_IMPERFECT_SOUND )
334		COMP( 1979, videopac, odyssey2,   0,      videopac, odyssey2, odyssey2, "Philips", "Videopac G7000/C52", GAME_IMPERFECT_SOUND )
	333	COMP( 1978, odyssey2, 0,      0,      odyssey2, odyssey2, odyssey2, "Magnavox", "Odyssey 2", 0 )
	334	COMP( 1979, videopac, odyssey2,   0,      videopac, odyssey2, odyssey2, "Philips", "Videopac G7000/C52", 0 )
335	335	COMP( 1983, g7400, odyssey2, 0,         g7400,    odyssey2, odyssey2, "Philips", "Videopac Plus G7400", GAME_NOT_WORKING )
336	336	COMP( 1983, jopac, odyssey2, 0,         g7400,    odyssey2, odyssey2, "Brandt", "Jopac JO7400", GAME_NOT_WORKING )
337	337

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