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Subjectemulating a PC/XT/AT machine? new Reply to this message
Posted byDivisionByZero
Posted on02/14/02 04:42 PM



Hi all, first time post here. Ok, here's my question/problem:

I would really love to replay my favorite game when I was growing up, namely, Starflight (and it's sequel, but, I'm still working on the first for the moment). If you have not ever played it, I highly suggest you give it a go. At any rate, The problem with running this game is that when it was written, it was coded in such a way to depend on fixed clock settings to get it's own time management. In other words, the game's speed is dependent upon the CPU it runs on. So, if you try to load up the program on a modern machine, it goes blazingly fast and is quite unplayable.

So, one means people have found to play it, is to use a program which will slow down a computer. There are several I have tried: moslo, turbo, slowdown, and icd. Of those, moslo performs the best, but, it's not quite "right". Basically, it still runs much quicker than it should and for the most part, all those program work by "pausing" for a certain time, then running for the rest of the time (slow/stop for a while, then go really fast, slow, fast, slow fast) which is really not a good way to play. The one thing they do well is they allow me to relive the original colors and sounds (from the pc speaker!). What others have done is gone out and bought a 486 machine and used one of these slow down programs to run these games. This apparently works on a 486, but, I'm running a P3 800 and I don't have the space for an extra box.

One solution is to run a MAC emulator (basilisk II) and play the mac version of the game. However, it just isn't the same for me to do that. For one, the look is very different, and second, I can't get sound from it (aside from an annoying ding when I try clicking somewhere it doesn't like).

Then I hit upon the idea of, instead of trying to slow down the machine, just emulate an XT and run it that way. So far, I've met little to no success doing this. I've tried 2 emulators so far, the XT-CE program (which, I can't get sound out of and can't run in color, only B&W) and MESS (which I don't really understand how to use).

I was wondering if anyone here could lend a hand in getting these great games running on a modern machine. Either, by showing/helping me with getting MESS to work (I can't figure out how to get imgtools to put the starflight executables into a bootable image) or by suggesting a different emulator, or, finding a way to slow down a machine, etc. Any solution would be greatly appreciated.

Thanks.

By the way, I'm running a p3 800 machine with Win2k on it if that helps at all.


SubjectRe: emulating a PC/XT/AT machine? Reply to this message
Posted by+he Lion
Posted on02/15/02 04:07 AM



Of course, you COULD just go into your BIOS and disable the CPU cache. Instant 486 speeds... Then use your slowing problem - if you need to.

- Lion

EmuChrist - where posts aren't deleted without an actual reason.


SubjectRe: emulating a PC/XT/AT machine? new Reply to this message
Posted byShadow_fire
Posted on05/05/02 04:42 PM



> Of course, you COULD just go into your BIOS and disable the CPU cache. Instant
> 486 speeds... Then use your slowing problem - if you need to.

Eh, yes, actually, this will bring your system to its knees, speedwise. Disabling both the L1 & L2 cache will drop you back to slow-486-class speeds (but it will still be faster than an XT or AT).



SubjectRe: emulating a PC/XT/AT machine? new Reply to this message
Posted byusotsuki
Posted on09/10/02 03:24 PM



XT-CE? Doko? Doko?!!!

I need an 8086 PC emulator for DOS bad.

- The Usotsuki aka Dosius,
author of "Dapple", an Apple ][ emulator


SubjectThe is a Emulator for this job ! new Reply to this message
Posted bygregoriades
Posted on11/19/02 05:00 PM



> > Of course, you COULD just go into your BIOS and disable the CPU cache. Instant
> > 486 speeds... Then use your slowing problem - if you need to.
> there is a Emulatos for this jub !!!

http://dosbox.zophar.net/

dosbox 0.56

a emulator that works in win98 me winXP

emulates Sound , fat16 , mouse , and gives lots of conversional ram !
> Eh, yes, actually, this will bring your system to its knees, speedwise.
> Disabling both the L1 & L2 cache will drop you back to slow-486-class speeds
> (but it will still be faster than an XT or AT).
>



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