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xtal note

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This commit is contained in:
Michaël Banaan Ananas 2011-03-14 20:18:59 +00:00
parent 4701a996d7
commit c6aa2062a3
1 changed files with 13 additions and 13 deletions
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26
src/mame/drivers/terracre.c
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@ -530,14 +530,14 @@ static GFXDECODE_START( terracre )
GFXDECODE_END
static MACHINE_CONFIG_START( amazon, terracre_state )
MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz/2) // 8mhz?
MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz/2) // 8mhz
MCFG_CPU_PROGRAM_MAP(amazon_map)
MCFG_CPU_VBLANK_INT("screen", irq1_line_hold)
MCFG_CPU_ADD("audiocpu", Z80, XTAL_8MHz/2) // 4mhz?
MCFG_CPU_ADD("audiocpu", Z80, XTAL_16MHz/4) // 4mhz? should be derived from XTAL_22MHz? how?
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_IO_MAP(sound_3526_io_map)
MCFG_CPU_PERIODIC_INT(irq0_line_hold, XTAL_8MHz/2/512) // ?
MCFG_CPU_PERIODIC_INT(irq0_line_hold, XTAL_16MHz/4/512) // ?
MCFG_MACHINE_START(amazon)
@ -557,7 +557,7 @@ static MACHINE_CONFIG_START( amazon, terracre_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ymsnd", YM3526, XTAL_8MHz/2)
MCFG_SOUND_ADD("ymsnd", YM3526, XTAL_16MHz/4)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MCFG_SOUND_ADD("dac1", DAC, 0)
@ -568,14 +568,14 @@ static MACHINE_CONFIG_START( amazon, terracre_state )
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( ym3526, terracre_state )
MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz/2) // 8mhz?
MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz/2) // 8mhz
MCFG_CPU_PROGRAM_MAP(terracre_map)
MCFG_CPU_VBLANK_INT("screen", irq1_line_hold)
MCFG_CPU_ADD("audiocpu", Z80, XTAL_8MHz/2) // 4mhz?
MCFG_CPU_ADD("audiocpu", Z80, XTAL_16MHz/4) // 4.0mhz when compared to sound recordings, should be derived from XTAL_22MHz? how?
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_IO_MAP(sound_3526_io_map)
MCFG_CPU_PERIODIC_INT(irq0_line_hold, XTAL_8MHz/2/512) // ?
MCFG_CPU_PERIODIC_INT(irq0_line_hold, XTAL_16MHz/4/512) // ?
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE( 60 )
@ -593,7 +593,7 @@ static MACHINE_CONFIG_START( ym3526, terracre_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ymsnd", YM3526, XTAL_8MHz/2)
MCFG_SOUND_ADD("ymsnd", YM3526, XTAL_16MHz/4)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MCFG_SOUND_ADD("dac1", DAC, 0)
@ -604,14 +604,14 @@ static MACHINE_CONFIG_START( ym3526, terracre_state )
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( ym2203, terracre_state )
MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz/2) // 8mhz?
MCFG_CPU_ADD("maincpu", M68000, XTAL_16MHz/2) // 8mhz
MCFG_CPU_PROGRAM_MAP(terracre_map)
MCFG_CPU_VBLANK_INT("screen", irq1_line_hold)
MCFG_CPU_ADD("audiocpu", Z80, XTAL_8MHz/2) // 4mhz?
MCFG_CPU_ADD("audiocpu", Z80, XTAL_16MHz/4) // 4.0mhz when compared to sound recordings, should be derived from XTAL_22MHz? how?
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_IO_MAP(sound_2203_io_map)
MCFG_CPU_PERIODIC_INT(irq0_line_hold, XTAL_8MHz/2/512) // ?
MCFG_CPU_PERIODIC_INT(irq0_line_hold, XTAL_16MHz/4/512) // ?
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
@ -629,13 +629,13 @@ static MACHINE_CONFIG_START( ym2203, terracre_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ym1", YM2203, XTAL_8MHz/2)
MCFG_SOUND_ADD("ym1", YM2203, XTAL_16MHz/4)
MCFG_SOUND_ROUTE(0, "mono", 0.20)
MCFG_SOUND_ROUTE(1, "mono", 0.20)
MCFG_SOUND_ROUTE(2, "mono", 0.20)
MCFG_SOUND_ROUTE(3, "mono", 0.40)
MCFG_SOUND_ADD("ym2", YM2203, XTAL_8MHz/2)
MCFG_SOUND_ADD("ym2", YM2203, XTAL_16MHz/4)
MCFG_SOUND_ROUTE(0, "mono", 0.20)
MCFG_SOUND_ROUTE(1, "mono", 0.20)
MCFG_SOUND_ROUTE(2, "mono", 0.20)