DOS ain't dead

HX/OGLTEST error (Users)

posted by Japheth , Germany (South), 27.05.2011, 07:05

> No -- calling with VGA video mode 3, "supported but failed" is
> returned (AX = 014Fh) and the ES:DI buffer is *not* touched! (I
> set the buffer up with 256 bytes of character "x" just to be
> sure.)

Ok, mystery solved. VESA32 cleared the buffer located in real-mode, but didn't copy the contents back to protected-mode if the call failed.

---
MS-DOS forever!

Complete thread:

• HX/OGLTEST error - Doug, 19.05.2011, 18:37 (Users)
  • HX/OGLTEST error - Rugxulo, 19.05.2011, 22:34
    • HX/OGLTEST error - RayeR, 20.05.2011, 01:11
      • HX/OGLTEST error - Doug, 20.05.2011, 06:31
  • HX/OGLTEST error - Japheth, 20.05.2011, 06:35
    • HX/OGLTEST error - Doug, 23.05.2011, 07:54
      • HX/OGLTEST error - Japheth, 23.05.2011, 09:25
      • HX/OGLTEST error - RayeR, 23.05.2011, 19:10
        • HX/OGLTEST error - Doug, 24.05.2011, 18:55
          • HX/OGLTEST error - RayeR, 25.05.2011, 00:04
            • HX/OGLTEST error - Doug, 25.05.2011, 17:42
              • HX/OGLTEST error - RayeR, 26.05.2011, 00:48
          • HX/OGLTEST error - Japheth, 25.05.2011, 07:06
            • HX/OGLTEST error - Doug, 26.05.2011, 08:01
              • HX/OGLTEST error - Japheth, 26.05.2011, 19:26
                • HX/OGLTEST error - RayeR, 26.05.2011, 21:35
                • HX/OGLTEST error - Doug, 26.05.2011, 22:40
                  • HX/OGLTEST error - Japheth, 27.05.2011, 07:05
                    • HX/OGLTEST error - Doug, 28.05.2011, 00:51
                      • copying buffer contents to protected mode - ecm, 28.05.2011, 01:09
                      • HX/OGLTEST error - Japheth, 28.05.2011, 08:31