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New to my post:

Downforce (SLUS_20405)
Enthusia - Professional Racing (SLUS_20967)
Gauntlet - Seven Sorrows (SLUS_21077)
Rygar - The Legendary Adventure (SLUS_20471)
The King of Route 66 (SLUS_20522)
Sega Sports Tennis aka Virtua Tennis 2 (SLUS_20480)
XG3 - Extreme G Racing (SLUS_20302)

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I'm seraching for 16:9 wide elf code of ICO. nemesis2000 made two type of elf code about ICO. And ps2dis tool can see the mips code in elf as he said.

first, it has some bug in out side of 4:3 screen.
Ico (PAL)
00000000 00000000 03000146 E08087C7 00000000
change to
403F013C 00C08144 03000146 E08087C7 82101846

403F013C lui at, $3f40 //at = 3f400000(0.75)
00C08144 mtc1 at, $f24 //at's 32bit copy to f24, f24 = 3f400000(0.75)
82101846 mul.s $f2, $f2, $f24 //f2 = f2*f24
I guess $f2 is maybe resister of fov value and f24 is just temporary space. So, $f2 can't be changed and $f24 maybe can be changed.
HG's elf code use 00008144 (mtc1 at, $f0). Maybe $f0 is temporary space in this game. But ICO use $f0 in same sub routine. 03000146 and E08087C7, these seem unimportant.
[attachment=38886]

second, it doesn't work to NTSC-K and PAL.
NTSC-U
(zoom+)
009280AF 8A9B060C 049280AF 803F013C
changed to
009280AF 8A9B060C 049280AF 403F013C
lui at, $3f80 change to lui at, $3f40 //at = 1.0 -> 0.75(zoom*0.75)

(hor fov-)
709389C7 604A8046 4040013C 00088144
changed to
709389C7 604A8046 1040013C 00088144
lui at, $4040 change to lui at, $4010 //at = 3.0 -> 2.25(fov*0.75)

Zoom+ has no problem. but hor fov- has a bug when it set below some value.
I found NTSC-K code out corresponding these PAL and NTSC-U code.
And tested by changing hor fov. Until 2.578(40250000) it works.
3.0 -> 2.578 is almost 4:3 -> 16:10.3

NTSC-K (SCPS_560.01) 16:10.3 (there was no problem for 30 minute)
zoom+(value*0.859375)
389380AF C0BE060C 3C9380AF 803F013C
389380AF C0BE060C 3C9380AF 5C3F013C
hor fov-(value*0.859375)
D09489C7 604A8046 4040013C 00088144
D09489C7 604A8046 2540013C 00088144

and adding first elf code makes 16:9 (it still has bug outside of 16:10.3)
00000000 00000000 03000146 0040013C 00408144 00000000
5F3F013C 00C08144 03000146 0040013C 00408144 82101846
5F3F013C lui at, $3F5F //at = 3F5F0000(0.871094)

0.859375*0.871094 = 0.7485(about 0.75)

i guess PAL is similar to NTSC-K because they show same bug screen.

--------16:9-------------16:10-------------16:10.3
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I understood none of that but gud job!

Nice work with all the patches too 47.

Anyway about Abyss if anyone wants to look at it go ahead. This is what I focused on:

AA3F023C E33F023C 398E4234 00088244 00000000

There are 3 instances of this code, only changing the AA in the second instance seems to do anything though. Zoom value is probably something like 803F013C, there's just too many graphical glitches for me to eliminate. If you're a huge Tales you can do it


UPDATE: Also found the vert value in the KOF Maximum Impact games: ABAAAA3F (usually the first instance). Finding the zoom value is beyond my ability though

UPDATE 2: Found the zoom value! Will try patching all 3 of my MI games then give Abyss another shot.

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UPDATE 3: Tales of the Abyss seems to be patched now... just need to test a bit, not sure if battles are wide too. Also, with KOF I found out it needs a render fix for MI2, and in MI1 the HUD is a little messed up

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UPDATE 4: Bah...

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Sadly I don't think this is fixable. There's simply nothing to render there. Other than that it looks perfect

simple question....i must replace the code (for example Downforce) using Cheat Engine?

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i look also you talk about ELF hack.... i don't know about this....this has to do with widescreen hack?

@No.47 thanks for that brutal post. Wow. I checked Sega Sports Tennis and The King of Route 66. Still need to check Enthusia!

(07-13-2012, 08:23 PM)kilsuton Wrote: [ -> ]simple question....i must replace the code (for example Downforce) using Cheat Engine?

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i look also you talk about ELF hack.... i don't know about this....this has to do with widescreen hack?

Yes you need to edit the Downforce ISO. But, it is very very simple.
Download a good hex editor. I recommend HxD-hex Editor.
Click on Search - Replace and make sure you select hexadecimal in the search/replace box that pops up.

search
663F 023C 803F 033C 6666
replace by
663F 023C 403F 033C 6666
Save the iso, then play in pcsx2 or on your actual ps2!
For alot of other games there are pnach files. You need to use them with pcsx2

I think I have proper Xenosaga 2/3 widescreen now

No more zoom tricks, NO MORE MISSING GRAPHICS! Cutscenes, exploration, and battles all look perfect (so far)

Xenosaga 2
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Original > new patch > old patch

All done in Cheat Engine. I finally figured, you know what, if you can expand the rendering area within the ELF, why not in CE? Just search for 500-550f and go crazy. Although in the case of this game it was probably trickier than usual. Got a big batch of new patches brewing now

UPDATE: Xeno 3 is patched perfectly too. And I think I even fixed that ***** of a game Kagero 2 (via ELF hack).

Xenosaga 3
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Original > new patch > old patch

Below is a little reference chart of common AR values converted to array to make ELF patching easier for those interested. In addition to ~013C aob's, you can search for ~023C.

1.333 (float)
ABAAAA3F (original aob)
388EE33F (updated aob)

1.332
AA3F013C
E33F013C

.75
403F013C
103F013C

.50
003F013C
223F013C

1.0
803F013C
403F013C

.80
4C3F013C
193F013C

And below are some sample conversions for expanding rendering area (not all games need this, only if you see missing graphics). Again, you can replace with ~013C with ~023C when searching, just make sure you don't 'mix and match' when updating

3444013C (original aob) = 720 (float)
2044013C = 640
0044013C = 512
FA43013C = 500
F043013C = 480
E043013C = 448
6043013C = 224

The ones in bold are the values you'll likely find, the others are just there for reference. When you find a value, just increase it to something around 700-800

Good god. Too bad I probably won't play through XS1-3 on PC, since I have a dozen savegames of 1+2 that help to achieve a run through skipping all major dungeons and let me watch all cut scenes
Although 3 would of course be nice, since that one has a media player.

(07-11-2012, 01:54 AM)d123456 Wrote: [ -> ]Perhaps someone could make a requests thread?
I will pay for widescreen patches.

Hah, I would pay 25$ for a Okami patch/hack that changes the engine resolution to 1080p

I'd paypal for monster hunter 2 jap. def.!

can someone make KOF maximum impact patch ?!!