[Freedos-devel] RES: RES: HD graphics in FreeDOS ? Possible?

Sat, 15 Aug 2020 09:50:57 -0700

Be able to install DOS on today's computer is amazing. But we have a missing part in this puzzle. Why is so difficult to create a software (a game, for example) that uses Full HD (or 4K) resolution for DOS?

 

The answer is: We do not have a good standard to access this kind of resolution.

 

But let's suppose we have a FreeDOS oficial VGA board. Well documented and capable of resolutions like 4K and hardware acceleration. Everything would change. With a simple library, everyone would be able to develop amazing things in 4K resolution and using DOS.

 

I am not talking about reinvent the wheel, the VGA board probably already exists. We just need to choose a standard, create a logo like FreeDOS VGA compatible, and tell to the manufactures to not remove or change some technical specifications. And that is it.

 

 

De: Chelson Aitcheson
Enviado:sábado, 15 de agosto de 2020 13:16
Para: Mercury Thirteen; Technical discussion and questions for FreeDOS developers.
Assunto: Re: [Freedos-devel] RES: HD graphics in FreeDOS ? Possible?

 

I have cross compiled newer versions to dos,

 

Currently using it for a new dos game and I think the largest vesa mode I got was 1280*800 or something like that 

 

On Sun, 16 Aug 2020, 2:07 am Mercury Thirteen via Freedos-devel, <[email protected]> wrote:

Instead of an official FreeDOS graphics card, perhaps a standard FreeDOS graphics API and/or Window Manager. This would build upon the VBE by giving developers a handful of routines callable via interrupt to better utilize the underlying VBE code. Perhaps some useful functions would be to return the number of the largest supported screen mode of a specified bit depth, support for performing visual effects like scrolling, screen wipes and fades, drawing and manipulating windows etc. Such a thing could be encapsulated in a TSR which could then be run on demand by the user when needed for applications which support it.

 

 

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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐

On Saturday, August 15, 2020 2:40 AM, Roberto Freaza <[email protected]> wrote:

 

That is exactly the point. VESA is limited and not always the same. What if we create a official FreeDOS VGA card? This will allow developers, like us, to create much more advanced graphics software running in DOS.

 

It is much more easier to do these days. Any VGA card can do 1920x1080x32 or even more.

 

What do you think? Good idea?

 

 

Enviado:sábado, 15 de agosto de 2020 01:15

Assunto: Re: [Freedos-devel] HD graphics in FreeDOS ? Possible?

 

It certainly could be done using VESA.

 

I believe the "official" VESA screen modes top out at 1280 x 1024, but some VBE implementations go to 1600 x 1200 and beyond. Your game should be coded to search the VESA modes list at startup to see what resolutions are available on the system on which it's running.

 

Perhaps some others here can recommend a good graphics library to help interface to the VESA code.

 

 

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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐

On Friday, August 14, 2020 10:22 PM, Roberto Freaza <[email protected]> wrote:

 

 

Hello everyone?

 

Is it possible to create a 2D game for FreeDOS using high definition? Like 1920x1080?

 

If the answer is Yes, what is the best language to complete the task?

 

Thanks to all,

Roberto

 

 

 

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