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Steam version of xcom1 runs really slow


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#1 Tokk

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Posted 31 December 2009 - 03:01 PM

I bought xcom1 at ebay some time back, but with dosbox the colors sometimes gets screwed up so i bought it at steam too, it looks a little better but runs really slow, especially the fights.. with ufo thingies.. battlescape? Its also quite slow when it zooms in on the air dog fights. I hit ctrl F12 but it says the cpu is at 100%, but still it is slow. Any tips on how to get it to run faster?

#2 Zombie

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Posted 01 January 2010 - 01:43 AM

Have you tried decreasing the frameskip (CTRL-F7)?

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Zombie: Empirical data's your only man, when formulating a research plan.
A soldier's death is never in vain if it makes the formula more plain.
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#3 Tokk

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Posted 01 January 2010 - 04:49 AM

Thanks for the reply, but it says frameskip is at 0 and the laggy cursor thingy doesn't improve.

#4 Zombie

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Posted 01 January 2010 - 09:49 AM

Ok, how about decreasing the cycles (CTRL-F11), does that do anything? ;)

- Zombie
The Mr. Grognard of X-COM

Zombie: Empirical data's your only man, when formulating a research plan.
A soldier's death is never in vain if it makes the formula more plain.
A few dozen make a better case for refining that third decimal place.
They call me Zombie because I don't sleep, as I slowly struggle to climb this heap,
of corpses, data points, and trials, but from the top - I'll see for miles!


#5 Tokk

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Posted 01 January 2010 - 10:17 AM

Nope, doesn't change the slowness(is that a word?).

Would it be possible to run the steam version through dosbox?

Edited by Tokk, 01 January 2010 - 12:59 PM.


#6 BladeFireLight

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Posted 11 January 2010 - 02:32 PM

STEAM's DosBox config has:
cycles=auto limit 8000
This removes the ability to manual control the speed. it auto controls the speed maxing out at 8000.
Steam TFTD has this:
cycles=auto limit 16000

If you just set it
cycles=9000
then set this
cycleup=500
cycledown=500

to adjust the speed
CTRL-F11 Slow down emulation (Decrease DOSBox Cycles).
CTRL-F12 Speed up emulation (Increase DOSBox Cycles).

Find the speed that works for you.

-Blade FireLight

Edited by BladeFireLight, 11 January 2010 - 02:32 PM.

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Combat is very simple, there is a first place and second place, second place is laying face down in the mud, sometimes, so is first place.

#7 david06

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Posted 14 October 2012 - 07:04 PM

STEAM's DosBox config has:
cycles=auto limit 8000
This removes the ability to manual control the speed. it auto controls the speed maxing out at 8000.
Steam TFTD has this:
cycles=auto limit 16000

If you just set it
cycles=9000
then set this
cycleup=500
cycledown=500

to adjust the speed
CTRL-F11 Slow down emulation (Decrease DOSBox Cycles).
CTRL-F12 Speed up emulation (Increase DOSBox Cycles).

Find the speed that works for you.

-Blade FireLight


Hello. I know this is an old thread but I just installed the game and encountered the OP's problem; this thread was near the top of a Bing search and BladeFireLight's suggestion worked perfectly.



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