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-rw-r--r--src/mame/audio/subs.cpp20
1 files changed, 0 insertions, 20 deletions
diff --git a/src/mame/audio/subs.cpp b/src/mame/audio/subs.cpp
index fe794e9f49a..40d58bdddfb 100644
--- a/src/mame/audio/subs.cpp
+++ b/src/mame/audio/subs.cpp
@@ -14,26 +14,6 @@
sub sound functions
***************************************************************************/
-WRITE8_MEMBER(subs_state::sonar1_w)
-{
- m_discrete->write(space, SUBS_SONAR1_EN, offset & 0x01);
-}
-
-WRITE8_MEMBER(subs_state::sonar2_w)
-{
- m_discrete->write(space, SUBS_SONAR2_EN, offset & 0x01);
-}
-
-WRITE8_MEMBER(subs_state::crash_w)
-{
- m_discrete->write(space, SUBS_CRASH_EN, offset & 0x01);
-}
-
-WRITE8_MEMBER(subs_state::explode_w)
-{
- m_discrete->write(space, SUBS_EXPLODE_EN, offset & 0x01);
-}
-
WRITE8_MEMBER(subs_state::noise_reset_w)
{
/* Pulse noise reset */