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Added one more screen update device search failover check (no whatsnew)

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Miodrag Milanovic 2012-01-13 10:10:50 +00:00
parent 814eebb930
commit 4543e33ef1
1 changed files with 1 additions and 0 deletions
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1
src/emu/screen.c
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@ -302,6 +302,7 @@ void screen_device::device_start()
if (!m_screen_update.isnull())
{
device_t *device = (m_screen_update_device == NULL) ? machine().driver_data() : machine().device(m_screen_update_device);
if ((device == NULL) && (m_screen_update_device!=NULL)) device = siblingdevice(m_screen_update_device);
if (device == NULL) throw emu_fatalerror("Unable to find screen update device '%s' for screen '%s'\n", m_screen_update_device, tag());
m_screen_update.late_bind(*device);
}