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Diffstat (limited to 'src/devices/cpu/upd7725/upd7725.cpp')
-rw-r--r--src/devices/cpu/upd7725/upd7725.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/cpu/upd7725/upd7725.cpp b/src/devices/cpu/upd7725/upd7725.cpp
index 5820d6fe4e0..ef211dd13c3 100644
--- a/src/devices/cpu/upd7725/upd7725.cpp
+++ b/src/devices/cpu/upd7725/upd7725.cpp
@@ -202,7 +202,7 @@ void necdsp_device::state_export(const device_state_entry &entry)
// for the debugger
//-------------------------------------------------
-void necdsp_device::state_string_export(const device_state_entry &entry, std::string &str)
+void necdsp_device::state_string_export(const device_state_entry &entry, std::string &str) const
{
switch (entry.index())
{