Saturday July 15, 2000 -- (GT2) Evolution of a GameShark Code, Part II

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Saturday July 15, 2000

(GT2) Evolution of a GameShark Code, Part II

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Saturday July 15, 2000

(GT2) Evolution of a GameShark Code, Part II

I wanted to create a GameShark Code for GT2 which would cause you to win as prize cars hybrids constructed from your garage. These codes will only possibly work for <html><b>GameShark Version 3.00</b> or higher.

In the first step, outlined in my last entry, I developed a short code to cause you to win as a prize-car a new copy of the first car in your garage.

The next step, not terribly interesting really, was to copy the car in pieces, as the first step towards preparing to copy different pieces from different garage entries.

The first version is for the original 1.0 North American version of GT2:

C21CCFB8 0008 -- copies most things (1.0) 101D502C 0000 C21CCFC4 0006 101D5038 0000 C21CCFCE 000C 101D5042 0000 C21CCFFA 001A 101D506E 0000 C21CD018 0044 101D508C 0000 C21CCFCC 0002 -- copies engine separately 101D5040 0000 C21CCFCA 0002 -- copies L+W+F mod (I later decided this was a bad idea) 101D503E 0000 C21CCFDA 0004 -- copies weight reduction and race-mod 101D504E 0000 C21CCFDE 000A -- copies engine mods separately 101D5052 0000 C21CCFE8 0010 -- copies turbo and some other stuff separately 101D505C 0000 C21CD014 0004 -- copies turbo gauge separately 101D5088 0000 C21CCFC0 0004 -- copies rims separately 101D5034 0000 C21CCFF8 0002 101D506C 0000

I have worked extensively with later derived versions of the 1.0 code. I have not actually test any of the other versions, yet. I would expect them to work, and would not be greatly afraid to try them--I just have not got around to it.

For North American Version 1.1:

C21CD328 0008 -- copies most things (1.1) 101D539C 0000 C21CD334 0006 101D53A8 0000 C21CD33E 000C 101D53B2 0000 C21CD36A 001A 101D53DE 0000 C21CD388 0044 101D53FC 0000 C21CD33C 0002 -- copies engine separately 101D53B0 0000 C21CD33A 0002 -- copies L+W+F mod (I later decided this was a bad idea) 101D53AE 0000 C21CD34A 0004 -- copies weight reduction and race-mod 101D53BE 0000 C21CD34E 000A -- copies engine mods separately 101D53C2 0000 C21CD358 0010 -- copies turbo and some other stuff separately 101D53CC 0000 C21CD384 0004 -- copies turbo gauge separately 101D53F8 0000 C21CD330 0004 -- copies rims separately 101D53A4 0000 C21CD368 0002 101D53DC 0000

For North American Version 1.2:

C21CD558 0008 -- copies most things (1.2) 101D55CC 0000 C21CD564 0006 101D55D8 0000 C21CD56E 000C 101D55E2 0000 C21CD59A 001A 101D560E 0000 C21CD5B8 0044 101D562C 0000 C21CD56C 0002 -- copies engine separately 101D55E0 0000 C21CD56A 0002 -- copies weight reduction separately 101D55DE 0000 C21CD57A 0004 101D55EE 0000 C21CD57E 000A -- copies engine mods separately 101D55F2 0000 C21CD588 0010 -- copies turbo and some other stuff separately 101D55FC 0000 C21CD5B4 0004 -- copies turbo gauge separately 101D5628 0000 C21CD560 0004 -- copies rims separately 101D55D4 0000 C21CD598 0002 101D560C 0000

For PAL version (should work, based on the known offset):

C21CD588 0008 -- copies most things (PAL) 101D55FC 0000 C21CD594 0006 101D5608 0000 C21CD59E 000C 101D5612 0000 C21CD5CA 001A 101D563E 0000 C21CD5E8 0044 101D565C 0000 C21CD59C 0002 -- copies engine separately 101D5610 0000 C21CD59A 0002 -- copies weight reduction separately 101D560E 0000 C21CD5AA 0004 101D561E 0000 C21CD5AE 000A -- copies engine mods separately 101D5622 0000 C21CD5B8 0010 -- copies turbo and some other stuff separately 101D562C 0000 C21CD5E4 0004 -- copies turbo gauge separately 101D5658 0000 C21CD590 0004 -- copies rims separately 101D5604 0000 C21CD5C8 0002 101D563C 0000

For Japanese version (I've seen this offset, but it would be nice if someone could test it--be warned):

C21CD9B8 0008 -- copies most things (Japanese?) 101D5A2C 0000 C21CD9C4 0006 101D5A38 0000 C21CD9CE 000C 101D5A42 0000 C21CD9FA 001A 101D5A6E 0000 C21CDA18 0044 101D5A8C 0000 C21CD9CC 0002 -- copies engine separately 101D5A40 0000 C21CD9CA 0002 -- copies weight reduction separately 101D5A3E 0000 C21CD9DA 0004 101D5A4E 0000 C21CD9DE 000A -- copies engine mods separately 101D5A52 0000 C21CD9E8 0010 -- copies turbo and some other stuff separately 101D5A5C 0000 C21CDA14 0004 -- copies turbo gauge separately 101D5A88 0000 C21CD9C0 0004 -- copies rims separately 101D5A34 0000 C21CD9F8 0002 101D5A6C 0000

I actually did enter and test the 1.0 version of this code. It worked the same as the single instruction code, copying the first entry of my garage so that when I won a race which awarded a single prize-car I won instead a copy of the first car in my garage. This prepared me for the next step, in which I would actually change the source locations for the copy so that different parts would come from different cars, thereby creating a hybrid.

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