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-rw-r--r--src/mame/audio/williams.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/audio/williams.cpp b/src/mame/audio/williams.cpp
index 1a515a44af7..c78684aa3dc 100644
--- a/src/mame/audio/williams.cpp
+++ b/src/mame/audio/williams.cpp
@@ -249,7 +249,7 @@ void williams_cvsd_sound_device::device_reset()
void williams_cvsd_sound_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
// process incoming data write
- m_pia->write_portb(param & 0xff);
+ m_pia->portb_w(param & 0xff);
m_pia->cb1_w((param >> 8) & 1);
m_pia->cb2_w((param >> 9) & 1);
}