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Re: How do you use .fx shaders in freebasic?

Posted on 2018-07-01, 21:20

Oh dear, I haven't truly developing stuff under Windows for a loooong time, but .fx are Direct3D shaders, iirc. However, I have absolutely no idea if FreeBasic easily supports D3D development. You better ask their community, they can probably help. You should definitely read up on D3D programming to …

Re: VGA Capture Thread

Posted on 2018-06-30, 16:01

The ossc is great, but also not without flaws and needs a lot of tweaking for PCs. It is more suited for consoles. For 640x480 i need to use the DTV setting for example. And text mode needed heavy tweaking of the timings.

Re: VGA Capture Thread

Posted on 2018-06-30, 05:19

Ok, but this rather shifts the blame to the upscaler, and not the capture device, which lets us concentrate on rather one device. I guess the Manta does not have any drivers or control software?

Re: VGA Capture Thread

Posted on 2018-06-29, 20:30

You should definitely try the OBS transform and crop settings. That way your 320x200 games will look ok, minus the missing lines at the top. But I think this is a problem with the cheap scalers. Or maybe our capture devices... I don't think heat is the problem. Then it would probably not work at all …

Re: VGA Capture Thread

Posted on 2018-06-29, 19:57

Ok, this is already much more enlightening. So first of all it seems the capture device either stretches the incoming picture, or your OBS settings do that. Would be nice to see your OBS transformations. There you can definitely set the aspect ratio so that it does not look so awkward. As for the …

Re: VGA Capture Thread

Posted on 2018-06-29, 19:34

No settings on the capture card change anything. As for OBS settings, for the video settings they're your general run of the mill settings video is downscaled to 720p 30fps. As far as I'm aware no other OBS settings would affect the outcome. Well, cropping transformation might do something like you …

Re: VGA Capture Thread

Posted on 2018-06-29, 19:02

I recently got the Sewell Manta which was working great when I last used it (3 weeks ago) however, I've since run into the problem of it not making the resolution correct so I get a zoomed in image (similar to if you don't use a scaler) I'm not sure if it's the device being defective and damaged or …

Re: EMS or XMS for games?

Posted on 2018-06-29, 08:04

Hm, I thought XMS was slow, because it needed protected mode switches? While EMS was supported by bankswitching in hardware, or via virtual86 mode on the 386...? But someone with more technological prowess than me might correct me here.

EMS or XMS for games?

Posted on 2018-06-29, 06:56

My 286 board supports both XMS and EMS, the latter using the Suntac EMS driver. I can switch my 2 MiB via DIP switch between 640 KiB + 1024 KiB EMS or 640 KiB + 1408 KiB settings. I am currently using the latter, which works fine, especially with Windows. But I am thinking if it is worthwile for DOS …

Re: DOS Development Forum?

Posted on 2018-06-28, 09:22

in Milliways
Depend on what kind of code one would make. ASM is required for drivers / kernel / bios dev / reverse engineering. But you can dev many things in Pascal, C, C++, Basic. To name a few ! Yes, I think it can be fun to do stuff in C / Pascal / Basic from the time, but after using modern variants of …

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