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Does it matter which version of Stunts I use with these files?

I've done that and just did it again to be sure.
Boot's fine,
First try a packet file error.
With loadfix I get an io error. I starting to suspect it's a CPU that is not DOS compatible.

- so whats the problem?

I think mainly my poor understanding of DOS

Yeah, stunts is a pain to get to run outside a virtualized environment. But it was possible, so I want to make it work. (I'm so close)

Two Three thoughts.
Some games from the 640k era were later revived with a new memory handeling. (Dos4gw?? I believe)
Stunts missed that.

And I would like to know is restunts changes memory handeling (I am afraid not) because it bypasses load.exe..
See: http://forum.stunts.hu/index.php?topic=2454.0

About the copy protection. Could we remove all the answers with stressed? Then no crack is needed..

I made a selection box around the car. (Sort of parking space, mainly because all car's are different) my selection tool in Photoshop gave it a 1cm with. So I doubled that for convenience. The other two happen to match this so I went with it.

I think that speed was adjusted to 'feel' right.

I've been thinking about this and about the physics of Stunts (the strange and buggy) Vs a real physics engine for your project.

Is it a idea to make both and make it a feature. (Simulation mode or legacy mode) like you could choose between simulation and arcade mode in old race game's.

I've noticed that freedos has 635k of conventional memory in stead of 640k in MS-DOS.

Stunts in VGA mode requires the full 640k to run

E.g. it seems that it isn't possible to run stunts in freedos unless this can be altered.

::Side note:: does 'restunts' have an effect on memory handeling?
Can't download it anymore so I can not test this.

If car width = 2
then road width = 10
and tile width = 40

pixel counting (rounded) 

My two laptop's are both old enough to support MBR. (Legacy mode it's called in one of them)

So I have hope. Booting from usb is not a problem either.
CAS, can you please send me a copy of your cofig.sys (fdconfig.sys) and autoexec.bat?

Maybe I can figure it out 

Has anyone tried to make one of those, and put Stunts on it?

No time tonight, but I might give it a try in the future, for CTG's joy!

I have tried without success with freedos. I ran into multiple problems.

first with the executable, it could not run stunts (packaged file.. error) this seemed to be fixed with the LOADFIX program.
Then i ran into memory errors. e.g. Not enough memory to run.
that could not be solved with the standard Himemx en 386 counterpart.
Jemmex solved the memory problem but ran into an error when starting stunts.
I also downloaded Dos 7.1 and copied HYMEM and EMM386 from there.
No luck with either of them.

after about 4 days i setup a VM to boot from my freedos USB,
and an other VM that booted DOS7.1 from another USB.
that speeded testing up a whole bit.

VM Freedos had the same errors, worked on it a while and gave up,
Dos 7.1 ran no problem, with sound and everything right form install. no editing necessary,
But when i booted DOS7.1 on my regular machine the CPU gave problems. No fix as far as i can tell.

But i have a cheap old (1CPU 1ghz with 1gig ram) laptop.
That gave some EMM386 errors that would feezeup the system
but i managed to solve that, (see link below)

I have now a MS-DOS 7.1 on USB that runs Stunts perfectly.
(just need to work on sound a bit but i haven't even looked at that yet)

It looks like original dos is an easier option to go for in this case for me.

I used Dos-to-USB, and it worked.
https://download.cnet.com/DOS-on-USB/3000-2094_4-10795476.html

for the EMM386 memory problems:
http://www.abandonia.com/vbullet/showthread.php?t=9744

I don´t think that this will work on all systems. But its a start.
I have some ideas for Freedos to try.  but i wanted to share this.

Overall this has kept me bussy for about 2 weeks 

Had some fun today with opponent files.

I fired Skid and hired someone new.
Also I tossed away my clipboard and picked up an Ipad.

after a bit of repositioning of the clip (can't delete it, that will break the game, but hiding works)
and lowering the opponent pictures to 13 pix

not really lore friendly. but fun in my testing copy of the game.

As far as I can determine I think that the speed data is only set in the opp#.res file since all speeds are given for all opponents.
The path data is verry limited (skid and helen have no data set in Path)

I've made a overview of the values per opp and the groups if data I see. the are groups of 2, 4 or 6 times the same value.
the groups of 2 are elements with 2 orientations like strait road, the tunnel or the slalom.
the groups of 4 are elements that can be rotated like corners.
There are 2 groups of 6. one on line 0040 and one on line 0060.
I think the first is the pipe (start - mid - end in 2 orientations)
and the second is the bridge. (up - mid - down in 2 orientations)
All the pink groups are probably corners.
Purple elevated roads.
green could be  normal road, dirt and ice.
this is speculation based on very little,

CAS, I hope you can dig a little deeper.

I've been looking at the hex path data in the opp#.res (or .pre) files and have been comparing the different opponents.
I noticed that none have the same component with a value. and that there are always groups of 2 or 4 with the same value. (although bernie claims to have problems with all elements, he does not have the ones claimed by the others)
I think therefore that each of the 186 component correspond with a track element and have separate for each orientation.
EDIT:

186 text IDs associated with individual track pieces.

this are deviations of the path with a max value of 0A (a.k.a. 10 dec.)

considering this, it is not possible to make a much better opponent than Sid (save a speed alteration)
but fun stuff is possible, like a opponent that is afraid of the finish line.

Also it seems that the number of opponents is set somewhere or not all values are known. Its easy to replace a opponent but it seems impossible to add a 7th one.

https://www.ebay.com/itm/Stunts-by-Distinctive-Software-IBM-3-5-Disks-1990-Unopened/164288524379?hash=item26405bf05b:g:IxAAAOSwO0xfDGev

Stunts on eBay.

I've a stunts copy where I i can mess with files en settings.
I made a slight alteration in the main menu background (so i can see if i started the right one)
but i kinda like it. so i thought i share it with you.

I'm really looking forward to this project.

I'm no help programming wise, but 3D modeling I should not be a problem. My semi professional modeling times are 15 years behind me. But I'll manage.

I'm also a visual thinker that sometimes comes up with interesting points 

You'll just have to filter out the gem's from the crap...