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-rw-r--r--src/emu/audio/generic.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/emu/audio/generic.c b/src/emu/audio/generic.c
index 4edd9d4f5c0..17f81810487 100644
--- a/src/emu/audio/generic.c
+++ b/src/emu/audio/generic.c
@@ -158,5 +158,6 @@ WRITE8_HANDLER( soundlatch4_clear_w ) { latch_clear(3); }
void soundlatch_setclearedvalue(int value)
{
+ assert_always(mame_get_phase(Machine) == MAME_PHASE_INIT, "Can only call soundlatch_setclearedvalue at init time!");
latch_clear_value = value;
}