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Diffstat (limited to 'src/devices/bus/rs232/null_modem.cpp')
-rw-r--r--src/devices/bus/rs232/null_modem.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/devices/bus/rs232/null_modem.cpp b/src/devices/bus/rs232/null_modem.cpp
index 846292d7690..30b5732a72d 100644
--- a/src/devices/bus/rs232/null_modem.cpp
+++ b/src/devices/bus/rs232/null_modem.cpp
@@ -1,5 +1,6 @@
// license:BSD-3-Clause
// copyright-holders:smf,Carl
+#include "emu.h"
#include "null_modem.h"
null_modem_device::null_modem_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)