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Re: micro$oft vbdos

Posted on 2018-11-03, 12:02

in Milliways
I think protected mode programming for DOS was more or less limited to Assembler, C and C++. Not entirely true, even the old Turbo/Borland Pascal 7 compiler supported 286+ 16-bit protected mode DOS target. Also Free Pascal compiler has 386+ 32-bit protected mode support for DOS for more than 2 …

Re: Old+Modern videocards pure DOS performance- which one is fastest?, need your numbers + analysis, 320x200 to 1600x1200!

Posted on 2018-10-30, 19:35

However in most cases the performance (and thus frame rate) will be increased, Of course, in theory page flipping should be always faster, unless drawing to video memory directly is much slower than to system memory. Page flipping saves an unnecessary Bit Block Transfer from system memory to video …

Re: Old+Modern videocards pure DOS performance- which one is fastest?, need your numbers + analysis, 320x200 to 1600x1200!

Posted on 2018-10-30, 12:58

Of course more results are always better since they can show a more detailed picture, but it means more work for you/for your contributors. Anyway here's a detailed description about the vid_nopageflip 1 option: vid_nopageflip This variable toggles the use of page-flipping during supported video …

Re: Old+Modern videocards pure DOS performance- which one is fastest?, need your numbers + analysis, 320x200 to 1600x1200!

Posted on 2018-10-29, 07:15

So maybe we dont need to use vid_nopageflip 1, but only vid_wait 0. Vid_wait=0 definitely can not solve the flickering problem of buggy NVIDIA cards since it's caused by the buggy implementation of VESA Function 07h - Set/Get Display Start (that is used by page flipping method in Quake1) as I have …

Re: Windows 98/DOS and widescreen monitors?

Posted on 2018-10-27, 19:03

It would be interesting to know what an affordable panel is that would do 4:3 at the full vertical height of the monitor if there are any for future reference. As I have mentioned above the LG Flatron W2242T monitor I have provides this feature regardless of video modes/OS settings or connection …

Re: Windows 98/DOS and widescreen monitors?

Posted on 2018-10-27, 18:15

my monitor have these option (aspect) in OSD, but its not selectable whne it most need (320x200 and 720x400 issue). so "some 16:10/16:9 widescreen monitors that have dedicated button/setting" is not GENERIC monitor. and no warranty that "some monitor" have better quality imgae then generic... - …

Re: Old+Modern videocards pure DOS performance- which one is fastest?, need your numbers + analysis, 320x200 to 1600x1200!

Posted on 2018-10-27, 17:06

Your monitor's specification does not matter here. Under DOS all SVGA/VESA modes are limited to 60 Hz unless the VESA BIOS supports VESA3 refresh rate setting functions. Unfortunately NVidia disabled these refresh rate setting functions more than a decade ago (last working versions were Geforce 4/FX …

Re: Old+Modern videocards pure DOS performance- which one is fastest?, need your numbers + analysis, 320x200 to 1600x1200!

Posted on 2018-10-27, 09:31

[*] It could be coincidence, but Quake 1 high resolution results for my fastest ATI/AMD cards all have exactly 60 FPS, like would be here some 60 FPS cap.. i know that it make no sense for DOS, unless its there something like refresh rate barrier trigger only by some resolution and games etc.. but …

Re: Windows 98/DOS and widescreen monitors?

Posted on 2018-10-26, 13:27

Is there any way to force display output in Windows 98 and/or DOS not to stretch/scale/change aspect ratio when connecting a widescreen monitor no. or do you just have to get a monitor with a standard aspect ratio (i.e. 4:3 or the 5:4 with some flat panels)? yes. just buy old square 4:3 monitor. …

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