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-rw-r--r--src/mame/includes/trs80.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/includes/trs80.h b/src/mame/includes/trs80.h
index 41e41b9f62b..712f22f09c4 100644
--- a/src/mame/includes/trs80.h
+++ b/src/mame/includes/trs80.h
@@ -100,7 +100,7 @@ protected:
required_device<cpu_device> m_maincpu;
required_memory_region m_region_maincpu;
required_region_ptr<u8> m_p_chargen;
- required_shared_ptr<u8> m_p_videoram;
+ optional_shared_ptr<u8> m_p_videoram;
optional_device<centronics_device> m_centronics;
optional_device<output_latch_device> m_cent_data_out;
optional_device<input_buffer_device> m_cent_status_in;