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author Vas Crabb <vas@vastheman.com>2018-01-13 02:05:54 +1100
committer Vas Crabb <vas@vastheman.com>2018-01-13 02:06:27 +1100
commitba5715596ae3e88664ed32ea3bd32fd898902c73 (patch)
treeab43d9837f14cccbc5c51f220823bff29968d37c /src/mame/drivers/atari_s2.cpp
parent45854ff96c87baf0c5be3b5bf46fbdb28831aeb4 (diff)
This causes huge changes in behaviour that can't be hand-waved away.
Revert "Removal of voltage_regulator_device (nw)" This reverts commit 1af133752a05079060c462e372c369ad0b7296ee. Revert "New way to provide DAC reference inputs (nw)" This reverts commit 1c6a7ab40ccd23b753777204c7a289e830b2adcb.
Diffstat (limited to 'src/mame/drivers/atari_s2.cpp')
-rw-r--r--src/mame/drivers/atari_s2.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mame/drivers/atari_s2.cpp b/src/mame/drivers/atari_s2.cpp
index a447acdceb2..7ca3b2b1628 100644
--- a/src/mame/drivers/atari_s2.cpp
+++ b/src/mame/drivers/atari_s2.cpp
@@ -28,6 +28,7 @@ ToDo:
#include "machine/timer.h"
#include "machine/watchdog.h"
#include "sound/dac.h"
+#include "sound/volt_reg.h"
#include "speaker.h"
#include "atari_s2.lh"
@@ -476,9 +477,10 @@ static MACHINE_CONFIG_START( atari_s2 )
MCFG_SPEAKER_STANDARD_MONO("speaker")
MCFG_SOUND_ADD("dac", DAC_4BIT_BINARY_WEIGHTED, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.15) // r23-r26 (68k,33k,18k,8.2k)
- MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0) MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_NEG_INPUT, -1.0)
MCFG_SOUND_ADD("dac1", DAC_3BIT_BINARY_WEIGHTED, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "speaker", 0.15) // r18-r20 (100k,47k,100k)
- MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_POS_INPUT, 1.0) MCFG_SOUND_REFERENCE_INPUT(DAC_VREF_NEG_INPUT, -1.0)
+ MCFG_DEVICE_ADD("vref", VOLTAGE_REGULATOR, 0) MCFG_VOLTAGE_REGULATOR_OUTPUT(5.0)
+ MCFG_SOUND_ROUTE_EX(0, "dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac", -1.0, DAC_VREF_NEG_INPUT)
+ MCFG_SOUND_ROUTE_EX(0, "dac1", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac1", -1.0, DAC_VREF_NEG_INPUT)
/* Video */
MCFG_DEFAULT_LAYOUT(layout_atari_s2)