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This format is used for PSONE Classics on PS3 and PSP.
EBOOT.PBP
Contents:
- PARAM.SFO
- ICON0.PNG
- ICON1.PMF
- PIC0.PNG
- PIC1.PNG
- SND0.AT3
- DATA.PSP
- DATA.PSAR
DATA.PSAR
- Contains the ISO (usually compressed)
Offset |
Notes
|
0x0 |
PSISOIMG0000
|
0x400 |
iso header (encrypted, probably ignored by ps1_netemu)
|
0x1220 |
special data (encrypted)
|
0x100000 |
start of the iso
|
ISO.BIN
This file helps the PS3 to verify the content of DATA.PSAR. It is a copy of the iso header. At the end of the file, there is a signature which can be used to verify the contents.
All offsets are in little endian.
Patch for disabling the signature check in ps1_netemu
set search "\xE8\x7F\x01\x80\xE9\x61\x00\x00\xE8\x0B\x00\x10\x7C\x08\x03\xA6"
set replace "\x38\x60\x00\x00"
catch_die {:: patch_elf $elf $search 0 $replace} "Unable to patch self [file tail $elf]"
- tested manually (without mfw creator)
Structure
Offset |
Notes
|
0x0 |
PSISOIMG0000
|
0x400 |
iso header (decrypted)
|
0x4000 |
start of entries
|
Entries
- Starting at 0x4000
- Each entry represents 0x10 Sectors of the iso
- One sector has 0x930 bytes (2352 bytes)
- Sectors are compressed
- same entries can be found in the decrypted iso_header of the EBOOT.PBP
Entry Nº |
Offset |
Length |
Name |
Example |
Notes
|
1 |
0x00 |
4 bytes (0x04) |
offset in iso |
0 |
offset relative to start of the iso inside of DATA.PSAR
|
0x04 |
2 bytes (0x02) |
size |
variable |
size of 0x10 sectors (compressed, if not 0x9300)
|
0x06 |
2 bytes (0x02) |
type ? |
01 00 |
usually 1... and 0 for the last entry
|
0x08 |
16 bytes (0x10) |
sha1 |
variable |
first 0x10 bytes of sha1 sum of 0x10 disc sectors
|
0x18 |
8 bytes (0x08) |
padding |
|
|
Up to 32256 |
|
|
|
|
same structure than the previous entry
|
you can use this app to get plain isos out of the eboot.pbp: [[1]]