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addrmap.c: Only install the default device address map if the owner didn't provide one [Alex Jackson]

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This commit is contained in:
Alex W. Jackson 2014-09-19 07:44:48 +00:00
parent ec7f4a5246
commit 1e0edb788b
1 changed files with 10 additions and 8 deletions
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18
src/emu/addrmap.c
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@ -334,21 +334,23 @@ address_map::address_map(device_t &device, address_spacenum spacenum)
if (!device.interface(memintf))
throw emu_fatalerror("No memory address space configuration found for device '%s', space %d\n", device.tag(), spacenum);
// append the internal device map (first so it takes priority) */
// construct the internal device map (first so it takes priority)
if (spaceconfig->m_internal_map != NULL)
(*spaceconfig->m_internal_map)(*this, device);
if (!spaceconfig->m_internal_map_delegate.isnull())
spaceconfig->m_internal_map_delegate(*this, device);
// construct the standard map */
// append the map provided by the owner
if (memintf->address_map(spacenum) != NULL)
(*memintf->address_map(spacenum))(*this, *device.owner());
// append the default device map (last so it can be overridden) */
if (spaceconfig->m_default_map != NULL)
(*spaceconfig->m_default_map)(*this, device);
if (!spaceconfig->m_default_map_delegate.isnull())
spaceconfig->m_default_map_delegate(*this, device);
else
{
// if the owner didn't provide a map, use the default device map
if (spaceconfig->m_default_map != NULL)
(*spaceconfig->m_default_map)(*this, device);
if (!spaceconfig->m_default_map_delegate.isnull())
spaceconfig->m_default_map_delegate(*this, device);
}
}