CGA & PC speaker Emulation

Emulation of old PCs, PC hardware, or PC peripherals.

CGA & PC speaker Emulation

Postby zpeidar » 2002-9-07 @ 09:33

Does there exist any CGA emulators for DOS, (I`ve seen one but it required EGA!)

Besides MESS, does there exist any good FREE PC-XT emulators?
Is it possible to emulate the PC Speaker through the soundcard?

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Postby Snover » 2002-9-08 @ 01:22

CGA emulator? I'm not sure what you mean...

At some point in the future VDMSound will take over PC speaker in DOS games if you're running NT/2K/XP. Also try using DosBox. I guess that'll do what you want.
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cga emu

Postby zpeidar » 2002-9-08 @ 17:51

try for example running digger (http://www.digger.org (that version works under vga too, but the original didnt) it wont work. cga and ega/vga isnt compatible!
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Re: cga emu

Postby vladr » 2002-9-09 @ 03:33

I know that "back in the good ol' days" they made TSR CGA emulators for Hercules (monochrome 720x480) adapters. Beats me why you'd need one for a VGA card though since VGA controllers are (or at least should be) fully backward compatible with EGA and CGA.

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Re: Re: cga emu

Postby Nicht Sehr Gut » 2002-9-09 @ 03:54

vladr wrote:Beats me why you'd need one for a VGA card though since VGA controllers are (or at least should be) fully backward compatible with EGA and CGA.
As I understand it, the CGA support on VGA cards is "faked". Can't remember for the life of me where I read this; but I do remember that while most CGA displays worked, there were exceptions.

Also, some early games really "hit the hardware", so they actually require CGA emulation to work.

I'm not sure if DosBox covers this or not. I know that M.E.S.S. did, but I also know the PC-XT driver within it hasn't been updated in a long while.

M.E.S.S. (Multi Emulator Super System) is at:
http://mess.emuverse.com/

Duffy also has some info and files for setup at:
http://www.sierra-quest.com/
Click on the "MESS XT Emulation" button.

NOTE: M.E.S.S. XT emulation isn't all that easy to set up.
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