Problem With Chasm The Rift On My Win98 Computer

Getting old software/games running on older hardware.

Problem With Chasm The Rift On My Win98 Computer

Postby Braca862 » 2019-8-12 @ 02:51

Hello,

I recently downloaded the ISO of Chasm The Rift and installed it on my computer. Once I click on Chasm.exe, the demo plays, but for some reason, the keyboard does not respond. I press the Esc key to access the menu, but it doesn't work. Even with the patches, I still have this problem. Here are my specs:

Dell XPS t500
Windows 98 Second Edition
512MB RAM
1 Ghz Pentium III
Sound Blaster AWE64 Gold

Can anyone help me with this?
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby Braca862 » 2019-8-13 @ 00:44

One thing I would like to add is that the keyboard works in all other DOS games. It's just this one that doesn't work.
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby dr_st » 2019-8-13 @ 07:25

I assume you are running the game from inside Windows? Did you try running it in pure DOS?
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby Braca862 » 2019-8-13 @ 21:01

dr_st wrote:I assume you are running the game from inside Windows? Did you try running it in pure DOS?


Just tried it in real mode DOS. Still didn't work.
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby dr_st » 2019-8-14 @ 17:21

Let's check first if it's a problem with the entire keyboard or just with Escape.

Try jumping directly to the first level by starting the game as follows:

chasm -warp 1

And see if you can move around, shoot, etc.
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby Braca862 » 2019-8-14 @ 21:39

dr_st wrote:Let's check first if it's a problem with the entire keyboard or just with Escape.

Try jumping directly to the first level by starting the game as follows:

chasm -warp 1

And see if you can move around, shoot, etc.


Okay, so here's what I discovered; after entering that command and starting at the first level, it turns out that while the keyboard still doesn't work, my mouse does! I can fire by left clicking, and I can move by pressing on the scroll button. That's just weird.
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby dr_st » 2019-8-15 @ 06:08

Do you happen to have a game controller plugged in? Maybe for some strange reason the game defaults to it and disables the keyboard?
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby Braca862 » 2019-8-16 @ 00:33

dr_st wrote:Do you happen to have a game controller plugged in? Maybe for some strange reason the game defaults to it and disables the keyboard?


Nope, no game controllers are plugged into the computer. Is there any config file within the game directory to try to change this?
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby dr_st » 2019-8-16 @ 06:19

Not as far as I can see. There is CHASM.CFG, but it is not human-readable.

Let's go back to the basics - is your keyboard PS/2 or USB? Chasm is a weird game; maybe they coded it specifically to work with a PS/2 keyboard only (if that's even possible). And try a different keyboard if you have such an option.
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby Braca862 » 2019-8-18 @ 20:09

dr_st wrote:Not as far as I can see. There is CHASM.CFG, but it is not human-readable.

Let's go back to the basics - is your keyboard PS/2 or USB? Chasm is a weird game; maybe they coded it specifically to work with a PS/2 keyboard only (if that's even possible). And try a different keyboard if you have such an option.


Yes, my keyboard is PS/2, and its the only one I currently have.
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby dr_st » 2019-8-19 @ 05:54

OK, another idea - maybe there is a timing issue that prevents Chasm from accessing the keyboard properly when the CPU is too fast? Can you try to boot into pure DOS and slow the CPU speed with a Slowdown utility (such as MoSlo or Slowdown by Bret Johnson - both can be found online) to something around Pentium/486 speeds?
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Re: Problem With Chasm The Rift On My Win98 Computer

Postby schmatzler » 2019-8-25 @ 20:57

dr_st wrote:OK, another idea - maybe there is a timing issue that prevents Chasm from accessing the keyboard properly when the CPU is too fast?

I don't think so. The keyboard works fine on my 1.4GHz Tualatin.

@Braca862: Did you install the last patch for the game? It is supposed to fix issues with fast CPU's:
https://web.archive.org/web/20090410053 ... _files.htm
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