Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) [v1.0.1 released 2024/12/22] - 5 weeks ago

sorry about the message, there's still an easteregg in the program from beta testing. i'll remove it and post an update asap.

Re: Öggo's Dev Corner: GP4++ [v2.0] and more... [Last Update: 7/12/2025] - 2 months ago

huge update, thank you a lot!

Re: Can GP4 be run on Windows 11 without mods and just the official patch? - 6 months ago

There is no such thing as a "most recent version", even when GP4 was sold unter the Atari brand. There is the retail 1.00 version as well as the official patch v9.6, which upgrades the retail version to version 1.02. The GP4central version was a zipped program folder of the 1.02 version.

Re: Can GP4 be run on Windows 11 without mods and just the official patch? - 6 months ago

Quoteag179 I am planning on buying the retail, disc copy of GP4 from eBay. Will I be able to pop in the disc, download patch 9.6 and run the game on Win 11, using just its native compatibility tool?. I am in the US and importing these from GB seems to cost a pretty penny. I am doing this mostly for peace of mind with regards to malware. I know there are a lot of forum posts claiming they are safe

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) [v1.0.1 released 2024/12/22] - 7 months ago

simply read the docs and you will a) learn the possibilities of GMA b) learn how to use it

Re: Screenshots v20 - 8 months ago

What an honour to have you here, Sir! Thanks to you we can keep enjoying and developing the game, even 23 years afters its release.

Re: fongu's thread - *NEW* CSM, 1994 Mod & Trackpack - 9 months ago

That's basically the most advanced CSM Mod ever released! Congrats!

Re: 2001 HD tracks: 12/17 | New: Magny-Cours [released] - 9 months ago

Fantastic Track, love it! Great work!

Re: (extreme noob needs help) tsm or zaztools download - 1 year ago

Re: GP4 tweaker reloaded - 1 year ago

Quotejcgrj Just to understand "reloaded" is the last version? What's new on the reloaded version? As far as i know, a group called "Devaz Labs team" built this version based on Madman's latest code of an unpublished beta version. The main purpose was, in my understanding, to add the ability to control the settings with ini-files instead of the GUI to ensure compa

Re: GPF Editor [v1.0][released] - 1 year ago

finally we can have menu fonts in high resolution! thank you!

Re: Öggo's Dev Corner: Individual Meshes and Textures, Hi-Res Pitcrews and more... - 1 year ago

Quotetwimpix I am still just figuring out how to modify things like this individually. Could you please tell us how to get these into my game? Would this work with the CSM 2001 mod? i think the dll-injection feature that comes with csm doesn't currently work as intended. You can use GP4 Memory Access to inject this DLL . A tutorial in how about setting up a mod with individualmeshesand

Re: fongu's thread - F1 23/24 Mod, IMSA vs Le Mans mod - 1 year ago

simply incredible, thank you Kev!

Re: Calibrate the sound and image when launching GP4 - 1 year ago

open gconfig.txt in the gp4 root folder and make sure it looks somehow like this: ;gp4 generated file - do not edit good 128 good 128 if it reads something like "untested", simply replace it with "good" and the graphics calibration message won't appear again.

Re: Helmet Visor Colours [released][v1.0] - 1 year ago

Another great improvement to the game, brought to us by you!

Re: Öggo's Dev Corner: Individual Meshes and Textures [v1.3], Hi-Res Pitcrews [v1.0]and more... [Last Update: 22/12/2024] - 1 year ago

Huge one Diego, thank you!

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) - 1 year ago

Version 1.0.1 is now available on GitHub:

Re: GP4 and Joypad - 1 year ago

the original xbox controller (og xbox from 2001) is the best to play gp4 with.

Re: Öggo's Dev Corner: Individual Meshes and Textures [v1.2], Hi-Res Pitcrews [v1.0]and more... [Last Update: 23/11/2024]] - 1 year ago

fantastic update, thank you!

Re: Öggo's Dev Corner: Individual Meshes and Textures, Hi-Res Pitcrews and more... - 1 year ago

here's a little example of what's possible with IndividualMeshesAndTextures.dll:

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) - 1 year ago

This is really weird and unfortunately i have no way to reproduce your error since on all systems we tested it, it always worked. You did use the 1.1 version of the DLL, right?

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) - 1 year ago

oh, and you did place the dll into the main gp4 folder as the readme says, right?

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) - 1 year ago

only thing i can think of is some anti-virus software preventing the dll injection?

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) - 1 year ago

Hard to tell what the issue is from the information provided. Enable debug mode in gpxpatch and Log file verbosity to high. Then in you gpxload.txt you should see such entries: [20:05:59.847] >> FolderExtender: File entry: WPATT_F1.JAM [20:05:59.847] >> FolderExtender: File entry: WPATT_F2.JAM [20:05:59.847] >> FolderExtender: File entry: WPATT_F3.JAM [20:05:59.847]

Re: ZaZ Tools / CSM 1.27c by ZaZ [released - 24/01/14] - 1 year ago

the download link for csm 1.27c on the first page should finally work again

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) - 1 year ago

I'm glad it worked. If you patched your exe already with the 4gb patch, there is no need of patching the memory in the same way with GMA. However, the actualy idea of GMA is to apply all patches through memory and leave the gp4.exe as it is.

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) - 1 year ago

The only reason I can think of is that GPxPatch (gpxpatch.exe) doesn't exist in the Dir where your gp4.exe is (D:\Program Files (x86)\Infogrames\Grand Prix 4\2001). Did you double-check that? GMA checks this path for gpxpatch.exe and if it exists, the gpxpatch tab as well as the gpxpatch option in the settings will be enabled.

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) - 1 year ago

No-CD-Message: Simply enable this tweak and it should work (tested on multiple computers w/o cd-drive and never encountered any issues): GPxPatch: You must have GPxPatch installed / existing in your GP4 dir (GPxPatch is not included in GMA). As long as GPxPatch.exe (and all related files and subfolders) exist in your GP4 dir, you will be able to enable it in the settings:

Re: Introducing: GP4 Memory Access (by Carl_gpgames, Öggo and ZaZ) - 1 year ago

QuoteGP4Addicted Does this works on Win 10? It's not working for me at all. At my main, specific 2001 instalattion folder, i have an Team Editor and Tweaker modified exe, so no deal. At my alternate instalation folder, for CSM mods files extraction, with the unmodified TomMK patched exe, it keeps asking to insert the game CD. - It has been tested on Win 11 and Win 7, so Win 8 and W

Re: Öggo's Dev Corner: Individual Meshes and Textures, Hi-Res Pitcrews and more... - 1 year ago

You made the impossible possible. A huge step for GP4! I've already run GP4 with 22 individual cockpits and it works just fine. I hope to see a lot of mods in the future that make use of these awsome features!