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Diffstat (limited to 'src/emu/imagedev/midiout.c')
-rw-r--r--src/emu/imagedev/midiout.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/emu/imagedev/midiout.c b/src/emu/imagedev/midiout.c
index cfc23058a93..3155a9b7057 100644
--- a/src/emu/imagedev/midiout.c
+++ b/src/emu/imagedev/midiout.c
@@ -32,6 +32,7 @@ midiout_device::midiout_device(const machine_config &mconfig, const char *tag, d
void midiout_device::device_start()
{
+ m_midi = NULL;
}
void midiout_device::device_reset()
@@ -73,7 +74,10 @@ bool midiout_device::call_load(void)
void midiout_device::call_unload(void)
{
- osd_close_midi_channel(m_midi);
+ if (m_midi)
+ {
+ osd_close_midi_channel(m_midi);
+ }
}
void midiout_device::rcv_complete() // Rx completed receiving byte
@@ -81,7 +85,10 @@ void midiout_device::rcv_complete() // Rx completed receiving byte
receive_register_extract();
UINT8 data = get_received_char();
- osd_write_midi_channel(m_midi, data);
+ if (m_midi)
+ {
+ osd_write_midi_channel(m_midi, data);
+ }
}
void midiout_device::input_callback(UINT8 state)