Alien: Isolation

NPUB31440.savepatch

1. Update SHA1 XOR64 for STHEFILE (Required)

Target File: STHEFILE

set [off1]:read(0x18, 4)
set [off2]:read(0x1C, 4)
set pointer:[off1]+[off2]-1
set range:0x20,pointer
set [csum]:sha1_xor64
write at 0x08:[csum]

2. Update SHA1 XOR64 for OTHEFILE (Required)

Target File: OTHEFILE

set [off1]:read(0x18, 4)
set [off2]:read(0x1C, 4)
set pointer:[off1]+[off2]-1
set range:0x20,pointer
set [csum]:sha1_xor64
write at 0x08:[csum]