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-rw-r--r--src/emu/sound/flt_rc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/emu/sound/flt_rc.c b/src/emu/sound/flt_rc.c
index 4632b8127bb..806792ccc17 100644
--- a/src/emu/sound/flt_rc.c
+++ b/src/emu/sound/flt_rc.c
@@ -37,6 +37,14 @@ void filter_rc_device::device_start()
{
m_stream = stream_alloc(1, 1, machine().sample_rate());
recalc();
+
+ save_item(NAME(m_k));
+ save_item(NAME(m_memory));
+ save_item(NAME(m_type));
+ save_item(NAME(m_R1));
+ save_item(NAME(m_R2));
+ save_item(NAME(m_R3));
+ save_item(NAME(m_C));
}