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Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-12-09, 09:27

A question, considering the latest ISA cards already had the BitBLT engines and quite optimized for Win GUI where there's a huge improvement using those early accelerators, couldn't that engine be used somehow to offload some of the Doom gfx rendering calculations? It's possible to use the BitBLT …

Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-11-30, 09:35

I've been thinking lately to remove FDoomVBP mode, as it's very problematic with many many cards and doesn't provide enough boost (and in most cases is even slower). UniVBE crashes with this mode, and multiple native VESA 2.0 cards don't support it anyway. @trixster can you share the LFB address, …

Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-11-26, 22:02

I've tested various modes on my 386SX 25 MHz PC with Cirrus Logic 5402 SVGA ISA graphics. With FDOOM. EXE (mode Y) as 100%, I've got such results: FDOOM13H.EXE - 105.19% FDOOMVBR.EXE - 104.96% FDOOMVBD.EXE - 107.88% - although image was flickering. FDOOMVBP.EXE - it crashed. 13H was the fastest one …

Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-10-28, 06:48

A small development update, FastDoom now supports ATI Small Wonder 640x200 (16 colors) mode. It's very slow, the 8-bit ISA bus is the major bottleneck here. https://youtu.be/3m85czNLL-8 The same card running on Plantronics Colorplus mode (320x200 16 colors) it's much more playable. And it's faster …

Re: ATI Small Wonder technical info

Posted on 2021-10-27, 21:37

I've just added 640x200 16 color support for FastDoom. It's really slow, the 8-bit ISA bus is a major bottleneck for this mode. It has caused me some headaches, as there are some differences compared to the Plantronics Colorplus 320x200 16 color mode. You can check the code here: https://github.com/ …

Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-10-23, 13:27

New release ( 0.8.8 ), this is the changelog Added new video modes FDOOMC16.EXE => FastDoom CGA 160x100 and 16 colors FDOOMV16.EXE => FastDoom VGA 160x200 and 16 colors FDOOME.EXE => FastDoom EGA 640x200 (dithering 16 colors) Added support for Sound Blaster Direct mode. This mode doesn't require IRQ …

Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-10-18, 18:34

Don't know much about the TIGA capabilities, but knowing that the TMS34010 is a full fledged processor and that the available memory is limited, maybe the idea is to offload the rendering process to the TIGA card and do the work in parallel with the main processor, even use the 2D capabilities to do …

Re: FastDoom. A new Doom port for DOS, optimized to be as fast as possible for 386/486 personal computers!

Posted on 2021-10-06, 07:04

Did a test with version 0.8.7 on a 486/66 (max details). Got 29,25 fps with FastDoom and 25,66 fps with standaard Doom. So a nice improvement but don't know if I will notice it to be honest. Best improvements for me are things like removed Y mouse movement etc. So thanks for this! That's nearly a …

Re: Windows 11 has been released

Posted on 2021-10-04, 23:27

None of my computers can run Windows 11. I've got one 16 core Opteron 6386 SE (dev + streaming) and a 4 core i7 6700k (gaming), both systems with 32Gb of RAM and SSD. Both systems are more than capable of doing very heavy tasks, but Microsoft has decided to shoot themselves in the foot and not …

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