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clifront.c: Slightly optimized -romident so that each software list is

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parsed only once instead of as many times as the number of drivers
it is attached to. Also, removed the implication that files with
(size != power of 2) are to be skipped, since we now want to identify
also tapes and floppies and not only ROM binaries. [Fabio Priuli]
This commit is contained in:
etabeta78 2015-05-13 08:17:40 +02:00
parent e674358476
commit e978f44775
1 changed files with 22 additions and 27 deletions
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17
src/emu/clifront.c
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@ -1863,18 +1863,7 @@ void media_identifier::identify_data(const char *name, const UINT8 *data, int le
// if we didn't find it, try to guess what it might be
if (found == 0)
{
// if not a power of 2, assume it is a non-ROM file
if ((length & (length - 1)) != 0)
{
osd_printf_info("NOT A ROM\n");
m_nonroms++;
}
// otherwise, it's just not a match
else
osd_printf_info("NO MATCH\n");
}
// if we did find it, count it as a match
else
@ -1887,9 +1876,12 @@ void media_identifier::identify_data(const char *name, const UINT8 *data, int le
// of drivers by hash
//-------------------------------------------------
typedef tagmap_t<FPTR> slname_map;
int media_identifier::find_by_hash(const hash_collection &hashes, int length)
{
int found = 0;
slname_map listnames;
// iterate over drivers
m_drivlist.reset();
@ -1917,6 +1909,8 @@ int media_identifier::find_by_hash(const hash_collection &hashes, int length)
// next iterate over softlists
software_list_device_iterator iter(m_drivlist.config().root_device());
for (software_list_device *swlistdev = iter.first(); swlistdev != NULL; swlistdev = iter.next())
{
if (listnames.add(swlistdev->list_name(), 0, FALSE) != TMERR_DUPLICATE)
{
for (software_info *swinfo = swlistdev->first_software_info(); swinfo != NULL; swinfo = swinfo->next())
for (software_part *part = swinfo->first_part(); part != NULL; part = part->next())
@ -1937,6 +1931,7 @@ int media_identifier::find_by_hash(const hash_collection &hashes, int length)
}
}
}
}
return found;
}