[vcf-midatlantic] Monochrome and VGA together?

Thomas Fuchs thomas at slash7.com
Mon May 13 07:29:42 EDT 2019

Yes, monochrome and color cards (including VGA) use different address spaces and thus can be run side-by-side with two monitors. Many DOS-based IDEs use this for debugging, e.g. Borland’s IDEs.

At the DOS prompt you can use “mode color” and “mode mono” to switch between the monitors.

Thomas F.

> On May 12, 2019, at 3:21 PM, Richard Cini via vcf-midatlantic <vcf-midatlantic at lists.vcfed.org> wrote:
> All —
> I’m working on another project (with an early version of Windows) and for debugging on my AT, I need to run both a monochrome and EGA/VGA together. I’m quite rusty on this because I remember doing this long ago but it might be pre-VGA.
> Is this possible?
> Thanks!
> Get Outlook for iOS<https://aka.ms/o0ukef>

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