[Coco] Emulation Bummer Action (or lack thereof)

[Little John]

I've never used VirtualBox, but I have run Jeff's emulator and David Keil's 
emulators in DOSBox. DOSBox already has "DOS" of sorts built in - no need to 
install DOS. It works pretty well. Since DOSBox can emulate a real 
soundblaster, the emulators can send their sound to the virtual 
"soundblaster" as well.
-JohnT-

----- Original Message ----- 
From: "Roger Merchberger" <zmerch-coco at 30below.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Saturday, November 20, 2010 2:01 PM
Subject: [Coco] Emulation Bummer Action (or lack thereof)



> Well, I installed FreeDOS in a virtual machine, figured out how to get a 

> copy of the CoCo3 ROM in a format that JV's emulator likes, got everything 

> "working," and...

>

> no dice. :-(

>

> The best I could get was the startup screen, then it would lock the 

> virtual PC (Ctrl-Alt-Del wouldn't reboot the system) - virtual hard reset 

> was the only way to regain control of the OS.

>

> DSKINI.exe, Port.exe & the VGA test program all work fine, however.

>

> So, I thought: "Maybe it's something DOS specific..." so I found my MS-DOS 

> 6.22 disks, was able to get them imaged, and installed "real" MS-DOS on 

> another virtual computer. (The installer doesn't work well, you have to 

> fdisk & format the drive manually). Copied the files over (thankfully JV's 

> emulator fits on a floppy) and...

>

> same thing. :-((

>

> I tinkered with some of the HIMEM/EMM386 settings & other stuff, and also 

> changed the interface types in VB to things as old as I could (PIIX3 IDE 

> inteface, etc.), but again, the best I could do was the welcome screen & 

> the system would lock.

>

> It's not the CoCo3 ROM image going south, I tried the included OS-9 boot 

> ROM also, and didn't get any farther; it's possibly an "emulated memory" 

> issue or somesuch...

>

> Short of creating a real MSDOS install on a real PC (which I may very well 

> try, but not this weekend, anyway) anyone better at VirtualBox than I am 

> have any clues they could send my way? ;-) Or am I forging new ground 

> here...

>

> Does anyone here still run JV's emulator at all?

>

> Thanks,

> Roger "Merch" Merchberger

>

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