ShuriZma
/
flycast
mirror of https://github.com/flyinghead/flycast.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

reios: swap iso733 bytes

This commit is contained in:
Flyinghead 2019-08-15 23:17:18 +02:00
parent 174c68294d
commit 629d262578
1 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
core/reios/reios.cpp
View File

@ -58,6 +58,14 @@ static void reios_pre_init()
}
}
static u32 decode_iso733(iso733_t v)
{
return ((v >> 56) & 0x000000FF)
| ((v >> 40) & 0x0000FF00)
| ((v >> 24) & 0x00FF0000)
| ((v >> 8) & 0xFF000000);
}
static bool reios_locate_bootfile(const char* bootfile="1ST_READ.BIN")
{
reios_pre_init();
@ -74,8 +82,8 @@ static bool reios_locate_bootfile(const char* bootfile="1ST_READ.BIN")
if (pvd->type == 1 && !memcmp(pvd->id, ISO_STANDARD_ID, strlen(ISO_STANDARD_ID)) && pvd->version == 1)
{
INFO_LOG(REIOS, "iso9660 PVD found");
u32 lba = pvd->root_directory_record.extent & 0xffffffff;
u32 len = pvd->root_directory_record.size & 0xffffffff;
u32 lba = decode_iso733(pvd->root_directory_record.extent);
u32 len = decode_iso733(pvd->root_directory_record.size);
data_len = ((len + 2047) / 2048) * 2048;
@ -99,8 +107,8 @@ static bool reios_locate_bootfile(const char* bootfile="1ST_READ.BIN")
{
INFO_LOG(REIOS, "Found %.*s at offset %X", bootfile_len, bootfile, i);
u32 lba = dir->extent & 0xffffffff;
u32 len = dir->size & 0xffffffff;
u32 lba = decode_iso733(dir->extent);
u32 len = decode_iso733(dir->size);
if (!memcmp(bootfile, "0WINCEOS.BIN", 12))
{