Prince of Persia The Lost Crown

CUSA36581.savepatch

1. Decompress PopSaveGame (required)

Target File: PopSaveGameSlot*.AlkSave

import uzlib
import ustruct as struct
declen = struct.unpack_from("<I", savedata, 0x0422)[0]
cmplen = struct.unpack_from("<I", savedata, 0x042A)[0]
print("Compressed size:", cmplen)
print("Decompress size:", declen)
decomp = uzlib.decompress(savedata[0x043C:], -15)
decomp = bytearray(decomp)
print("Decompressed size:", len(decomp))
print(decomp)
jsonlen = struct.unpack_from("<I", decomp, 0x11)[0]
print("JSON size:", jsonlen)

2. health upgrade

Target File: PopSaveGameSlot*.AlkSave

import apollo
sw_code = """
80010010 6D5F6865
616C7468 55706772
61646573 00000000
08000012 00000039
"""
apollo.apply_savewizard(decomp, sw_code)

3. sword upgrade

Target File: PopSaveGameSlot*.AlkSave

import apollo
sw_code = """
8001000F 6D5F7377
6F726455 70677261
64657300 00000000
08000011 00000034
"""
apollo.apply_savewizard(decomp, sw_code)

4. bow upgrade

Target File: PopSaveGameSlot*.AlkSave

import apollo
sw_code = """
8001000D 6D5F626F
77557067 72616465
73000000 00000000
0800000F 00000034
"""
apollo.apply_savewizard(decomp, sw_code)

5. quiver upgrade

Target File: PopSaveGameSlot*.AlkSave

import apollo
sw_code = """
80010010 6D5F7175
69766572 55706772
61646573 00000000
08000012 00000034
"""
apollo.apply_savewizard(decomp, sw_code)

6. potion number upgrade

Target File: PopSaveGameSlot*.AlkSave

import apollo
sw_code = """
80010016 6D5F706F
74696F6E 4E756D62
65725570 67726164
65730000 00000000
08000018 00000033
"""
apollo.apply_savewizard(decomp, sw_code)

7. potion effect upgrade

Target File: PopSaveGameSlot*.AlkSave

import apollo
sw_code = """
80010016 6D5F706F
74696F6E 45666665
63745570 67726164
65730000 00000000
08000018 00000033
"""
apollo.apply_savewizard(decomp, sw_code)

8. Compress PopSaveGame (required)

Target File: PopSaveGameSlot*.AlkSave

import uzlib
import ustruct as struct
jsonlen = len(decomp) - 0x15
print("Update JSON size:", jsonlen)
struct.pack_into("<I", decomp, 0x11, jsonlen)
declen = len(decomp)
print("Update decompress size:", declen)
struct.pack_into("<I", savedata, 0x0422, declen)
cmpdata = uzlib.compress(decomp, -15)
cmplen = len(cmpdata) + 0x0A
print("Update compressed size:", cmplen)
struct.pack_into("<I", savedata, 0x042A, cmplen)
savedata[0x043C:] = cmpdata