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Credits :
Intro used in this crack:
Download :
Look for downloads on external sites:
Pokefinder.org
Summary
Submitted by The Overkiller on 22 October 2017
ABOUT HOKUTO FORCE & WOLF RELEASE
---------------------------------
At the first startup the game performs a
couple of simple protection checks:
1) Check if $0291 (dec. #657) is equal
to zero. If BNE (Branch on Not Equal)
the code continues, otherwise a BRK
opcode is executed and the C64 crashes
to READY. prompt.
The value of this location is set in the
tape loader with the value $080
(dec. #128) so we can consider this as a
simple check if the game has been loaded
using the original tape.
This location is the SHIFT KEY
enabled/disabled flag, the game requires
that SHIFT is disabled for obvious
esthetic reasons.
2) Check if $02A6 (dec. #678) is equal
to 1. If BEQ (Branch on Equal) the code
continues, otherwise like the first
check a BRK opcode is executed.
This location is the well-known NTSC/PAL
flag, the game requires that you are
using a C64 PAL.
Why? I don't know, maybe they did not
wanted the game imported in USA or other
NTSC countries for whatever reason.
Running the game in NTSC mode in VICE
emulator doesn't cause any noticeable
bug... Both these checks have been
removed patching the BRK with a NOP
opcode. Nothing more, nothing less.
Though I disabled the SHIFT key in the
trainer menu so in reality there would
be no need to patch the first protection
check. :) |
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