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Arkanoid.cpp: Set YM2149 emulation to mix channels the same way the real pcb mixes them, by directly tying them together with no mixing resistors. This introduces some distortion, but is more accurate to actual pcb audio. [Lord Nightmare]

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Lord-Nightmare 2016-01-15 08:56:49 -05:00
parent 38e15d7885
commit b96505e897
1 changed files with 2 additions and 2 deletions
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4
src/mame/drivers/arkanoid.cpp
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@ -1336,10 +1336,10 @@ static MACHINE_CONFIG_START( arkanoid, arkanoid_state )
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("aysnd", YM2149, XTAL_12MHz/4) /* YM2149 clock is 3mhz, pin 26 is low so final clock is 3mhz/2, handled inside the ay core */
MCFG_AY8910_OUTPUT_TYPE(/*AY8910_SINGLE_OUTPUT |*/ YM2149_PIN26_LOW) // all outputs are tied together with no resistors, and pin 26 is low
MCFG_AY8910_OUTPUT_TYPE(AY8910_SINGLE_OUTPUT | YM2149_PIN26_LOW) // all outputs are tied together with no resistors, and pin 26 is low
MCFG_AY8910_PORT_A_READ_CB(IOPORT("UNUSED"))
MCFG_AY8910_PORT_B_READ_CB(IOPORT("DSW"))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.66)
MACHINE_CONFIG_END