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Disable Anti-Aliasing / Filtering Code

 
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acceptable67
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Joined: 16 Jan 2010
Posts: 1734
Location: Florida

 PostPosted: Sun Dec 03, 2017 8:50 am    Post subject: Disable Anti-Aliasing / Filtering Code Reply with quote Back to top

PERFECT DARK NO-AA PATCH DOWNLOAD XDELTA
http://www.mediafire.com/file/a6c7oru01s68k54/PD_NO_AA_AC67_12-23-17.xdelta

Enabler (FF1EAE00 0000) +

PD V1.1
Code:
800608BC 0000
800608EC 0000
800608BD 0032
800608ED 0032


Or if you're using the BETA 6.4 for whatever reason (like me!):
Code:
80062DCC 0000
80062DFC 0000
80062DFD 0032
80062DCD 0032




Another comparison shot: https://i.gyazo.com/5f0d921cade7654e0294308566415a76.jpg
L-R: HI RES W/ AA, HIGH RES W/ NO AA, LO RES W/ AA. Makes the game look stunning, really.
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Last edited by acceptable67 on Sat Dec 23, 2017 7:19 am; edited 2 times in total
 
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AL64inthedark
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Joined: 18 Sep 2014
Posts: 544
Location: France

 PostPosted: Sun Dec 03, 2017 10:48 am    Post subject: Reply with quote Back to top

I always want to turn off the game immediately whenever I try one of those patch because of the dithering and the blinking that the sharpness produce, but as always I'll give it a try.

Good job nonetheless !

I have to say that on your screenshot, it does improve the visual. Maybe the lightning effect give the screen a bit of blur anyway which makes it look better than Goldeneye...

EDIT: It did not work on 1.1...I did try on a rom patched with xbla sounds.
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acceptable67
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Joined: 16 Jan 2010
Posts: 1734
Location: Florida

 PostPosted: Sat Dec 23, 2017 7:13 am    Post subject: Reply with quote Back to top

Alright, this is going to be quite rudimentary. I went the 'write' route with this which is generally more suspect-able to errors than if I were to modify reading, but it works pretty well from what I can see. I've updated the main post to have a download for the patch.

Modified 3 instructions, most importantly the Bitwise AND responsible for creating flags (address value is built by multiple flags set), which will allow 00000032 to be written to that address at all times. This means even on boot, so you will get a 'vbus_clock_enable bit set into the vi_control_reg' warning if using latest GlideN64 Rev plugin. I can assure you this is not entirely true (if it is even set at all, I've broke on it and see nothing of such), and if is, it's certainly overwritten immediately by my modifications.

Works emulator and console. PLEASE REPORT BUGS.
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Sogun
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Joined: 15 Dec 2010
Posts: 645
Location: Valencia, Spain

 PostPosted: Sat Dec 23, 2017 2:14 pm    Post subject: Reply with quote Back to top

When I first tried the patched rom (original v1.1) on the Everdrive 64 v2.5 I couldn't get past the intro logos, but after a second try I could finally play it.

I don't have the original PD very fresh, so I can't make a fair comparison.
I played the patched rom until the Area51 missions in low res mode and the game ran very smooth. I only experienced annoying slowdowns where there are a loooot of guards in the G5 Building when you open the safe. The Area 51 levels do have noticeable slowdowns (still very playable) but the other previous levels seem fine (even Villa felt right).

I don't know if the original low res mode played that great, I'll compare tomorrow.

However I didn't noticed jagged edges even at low res, so I guess this pacth does something different? https://youtu.be/QDiHgKil8AQ?t=2m30s
(or maybe my CRT and composite cable can't do much better, lol)
 
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mistamontiel
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Joined: 17 Apr 2011
Posts: 827
Location: Miami, FL, CUBA

 PostPosted: Sat Dec 23, 2017 4:41 pm    Post subject: Reply with quote Back to top

Holy , PD gets a AA toggle too !?
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acceptable67
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Joined: 16 Jan 2010
Posts: 1734
Location: Florida

 PostPosted: Sat Dec 23, 2017 5:24 pm    Post subject: Reply with quote Back to top

I hope i didn't just manage to enable dithering without the lack of aa.i will do comparison shots when I arrive home tonight . Thank you sogun

Quick Edit:
Just wanted to throw an update that the patch does in fact work, not just dithering.
I have made a comparison photo between my patch and the gameshark code.



Sorry for the large image. Note that there are several values that can be presented to the VI REG, including 0x00013216 and 0x00003216 which all may present a slightly different image, yet at the same time remove anti-aliasing.
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Last edited by acceptable67 on Sat Dec 23, 2017 8:15 pm; edited 1 time in total
 
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liveswired
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Joined: 04 Apr 2020
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 PostPosted: Sat Apr 04, 2020 9:59 am    Post subject: Reply with quote Back to top

Hi Bud, I appreciate your work on this. I thought I'd text out your patch as I use the Gameshark with No-AA.

This patch does NOT disable AA, this disables the dither filter keeping the AA on leaving an even muddier, lower quality image, in fact I think you have managed to accidentally reduce the render resolution as well pushing PD into a lower quality mode - below 240p.

The reason I know this:

I have an Ultra HDMI N64, outputting at 1200P, integer and de blur activated on a Dell 20" 4:3 1200P monitor.

I use my Gameshark for AA removal and I have also run patches.

All games I run off my N64 with AA disabled are pin sharp on this monitor, GoldenEye also looks incredibly sharp with No AA and there is not a single hint of pixel blur - just thought I'd let you know perhaps to remove the misinformation. Thanks.
 
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