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-rw-r--r--src/mame/drivers/hikaru.cpp15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/mame/drivers/hikaru.cpp b/src/mame/drivers/hikaru.cpp
index e4631a199b6..ee3a62801ff 100644
--- a/src/mame/drivers/hikaru.cpp
+++ b/src/mame/drivers/hikaru.cpp
@@ -526,9 +526,20 @@ MACHINE_CONFIG_START(hikaru_state::hikaru)
// MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
-// MCFG_SOUND_ADD("aica", AICA, 0)
+// MCFG_SOUND_ADD("aica", AICA, XTAL(33'868'800))
// MCFG_SOUND_ROUTE(0, "lspeaker", 2.0)
-// MCFG_SOUND_ROUTE(0, "rspeaker", 2.0)
+// MCFG_SOUND_ROUTE(1, "rspeaker", 2.0)
+//
+// MCFG_RAM_MODIFY("aica:ram")
+// MCFG_RAM_DEFAULT_SIZE("8M")
+//
+// Second AICA with External Sound Board is Enable
+// MCFG_SOUND_ADD("aica_2", AICA, XTAL(33'868'800))
+// MCFG_SOUND_ROUTE(0, "lspeaker", 2.0)
+// MCFG_SOUND_ROUTE(1, "rspeaker", 2.0)
+//
+// MCFG_RAM_MODIFY("aica:ram")
+// MCFG_RAM_DEFAULT_SIZE("8M")
MACHINE_CONFIG_END