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check device roms only once as well when using -romident. this does not help

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as much as the softlist change, but there was no reason to keep the old
unoptimal behavior. nw.
This commit is contained in:
etabeta78 2015-05-13 12:24:52 +02:00
parent 1c9dd20020
commit 82bc54fb61
1 changed files with 21 additions and 15 deletions
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6
src/emu/clifront.c
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@ -1882,6 +1882,7 @@ int media_identifier::find_by_hash(const hash_collection &hashes, int length)
{ {
int found = 0; int found = 0;
slname_map listnames; slname_map listnames;
slname_map shortnames;
// iterate over drivers // iterate over drivers
m_drivlist.reset(); m_drivlist.reset();
@ -1890,6 +1891,9 @@ int media_identifier::find_by_hash(const hash_collection &hashes, int length)
// iterate over devices, regions and files within the region */ // iterate over devices, regions and files within the region */
device_iterator deviter(m_drivlist.config().root_device()); device_iterator deviter(m_drivlist.config().root_device());
for (device_t *device = deviter.first(); device != NULL; device = deviter.next()) for (device_t *device = deviter.first(); device != NULL; device = deviter.next())
{
if (shortnames.add(device->shortname(), 0, FALSE) != TMERR_DUPLICATE)
{
for (const rom_entry *region = rom_first_region(*device); region != NULL; region = rom_next_region(region)) for (const rom_entry *region = rom_first_region(*device); region != NULL; region = rom_next_region(region))
for (const rom_entry *rom = rom_first_file(region); rom != NULL; rom = rom_next_file(rom)) for (const rom_entry *rom = rom_first_file(region); rom != NULL; rom = rom_next_file(rom))
{ {
@ -1905,6 +1909,8 @@ int media_identifier::find_by_hash(const hash_collection &hashes, int length)
found++; found++;
} }
} }
}
}
// next iterate over softlists // next iterate over softlists
software_list_device_iterator iter(m_drivlist.config().root_device()); software_list_device_iterator iter(m_drivlist.config().root_device());