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Kolibri OS can chg refshrate on new NV VGA! - usefull 4 DOS (Developers)

posted by RayeR , CZ, 02.06.2008, 11:20

> MCALL is a macro to call a specific MenuetOS function. It's in various
> macros.incs.

Aha, thx for explain.

I also sent a mail to Bear Windows, hope he will not afraid of make it public

Hi, Martin!

I understand how Kolibri's driver (vrr_m) works.

1) it sets mode (for example 1024x768x32, 60hz)
2) and resamples crtc registers
3) and now you have 800x600x32, 98hz

it can downsample-

1024x768*60-->800x600*98
800x600*60-->640x480*94

What a crappy evil method to do this!!!

I make a dos-program doing this stuff, based on vrr_m,

may be I incorporate this method in VBEMP,
but it can damage or got out of sync any unsupported monitor, such as it cannot clearly control refresh rates!!!

Regards, bw.

---
DOS gives me freedom to unlimited HW access.

Complete thread:

• Kolibri OS can chg refshrate on new NV VGA! - usefull 4 DOS - RayeR, 01.06.2008, 01:34 (Developers)
  • Kolibri OS can chg refshrate on new NV VGA! - usefull 4 DOS - Laaca, 01.06.2008, 11:27
    • Kolibri OS can chg refshrate on new NV VGA! - usefull 4 DOS - RayeR, 01.06.2008, 13:26
      • Kolibri OS can chg refshrate on new NV VGA! - usefull 4 DOS - rr, 02.06.2008, 10:52
        • Kolibri OS can chg refshrate on new NV VGA! - usefull 4 DOS - RayeR, 02.06.2008, 11:20
          • Kolibri OS can chg refshrate on new NV VGA! - usefull 4 DOS - Laaca, 02.06.2008, 12:39