DOS ain't dead

MPXplay under CWSDPMI (Users)

posted by Japheth , Germany (South), 28.10.2010, 15:50

> As I said, there's no any special switch-to-32bit-mode code in my own
> (Mpxplay) source, because of this I also don't know too much about that,
> how the dos4g.exe works.
> Maybe somebody will correct me, but the DPMI (I mean the DPMI host) is not
> only an API, it also switches the CPU to 32-bit pmode (else the CPU runs in
> 16-bit real mode) before my code starts.

Yes. You can't probably do anything, because when your code gets control, it's too late for a check.

> Maybe the selection of 16p or 32p depends on some compiler options, but
> I've never cared with the 16-bit pmode (and I don't think so that too many
> program use this mode).

I guess some old Turbo/Borland Pascal programs mostly.

---
MS-DOS forever!

Complete thread:

• MPXplay under CWSDPMI - Laaca, 16.10.2010, 17:25 (Users)
  • MPXplay under CWSDPMI - ecm, 16.10.2010, 18:40
    • MPXplay under CWSDPMI - Rugxulo, 17.10.2010, 01:39
      • MPXplay under CWSDPMI - ecm, 17.10.2010, 01:56
        • MPXplay under CWSDPMI - Rugxulo, 17.10.2010, 06:02
          • MPXplay under CWSDPMI - DOS386, 23.10.2010, 09:08
            • MPXplay under CWSDPMI - Rugxulo, 23.10.2010, 10:43
              • MPXplay under CWSDPMI - DOS386, 23.10.2010, 10:56
                • MPXplay under CWSDPMI - Rugxulo, 24.10.2010, 01:14
              • CWSDPMI assembler port - ecm, 23.10.2010, 18:02
                • CWSDPMI assembler port - Rugxulo, 24.10.2010, 01:30
      • MPXplay under CWSDPMI - Laaca, 17.10.2010, 10:08
        • MPXplay under CWSDPMI - Rugxulo, 17.10.2010, 15:46
          • MPXplay under CWSDPMI - Laaca, 17.10.2010, 17:33
            • MPXplay under CWSDPMI - Rugxulo, 17.10.2010, 23:23
  • MPXplay under CWSDPMI - Japheth, 16.10.2010, 19:31
    • MPXplay under CWSDPMI - ecm, 16.10.2010, 19:34
      • MPXplay under CWSDPMI - Japheth, 17.10.2010, 07:55
    • MPXplay under CWSDPMI - RayeR, 26.10.2010, 18:30
    • MPXplay under CWSDPMI - Mpxplay, 28.10.2010, 08:48
      • MPXplay under CWSDPMI - Rugxulo, 28.10.2010, 11:41
        • MPXplay under CWSDPMI - Mpxplay, 28.10.2010, 15:01
          • MPXplay under CWSDPMI - Japheth, 28.10.2010, 15:50
            • MPXplay under CWSDPMI - RayeR, 28.10.2010, 21:08
              • MPXplay under CWSDPMI - Laaca, 29.10.2010, 07:44
                • MPXplay under CWSDPMI - RayeR, 30.10.2010, 22:06
                • MPXplay under CWSDPMI - Japheth, 03.11.2010, 20:50
                  • MPXplay under CWSDPMI - RayeR, 04.11.2010, 00:00
                    • MPXplay under CWSDPMI - Rugxulo, 04.11.2010, 06:24
                      • MPXplay under CWSDPMI - RayeR, 04.11.2010, 10:25
                        • Eternity (engine) + FreeDoom (data) - Rugxulo, 04.11.2010, 12:20
                          • Eternity (engine) + FreeDoom (data) - RayeR, 04.11.2010, 14:07
                    • MPXplay under CWSDPMI - Japheth, 04.11.2010, 07:20
                      • MPXplay under CWSDPMI - Rugxulo, 04.11.2010, 09:03
                      • MPXplay under CWSDPMI - RayeR, 04.11.2010, 10:27
                    • MPXplay under CWSDPMI - RayeR, 04.11.2010, 14:10
                      • MPXplay under CWSDPMI - Laaca, 06.11.2010, 19:17
                        • MPXplay under CWSDPMI - Mpxplay, 08.11.2010, 12:31
                          • Mpxplay v1.57 beta 9 is out - Mpxplay, 15.11.2010, 12:03
                            • Mpxplay v1.57 beta 9 is out - Laaca, 15.11.2010, 16:32
                              • Mpxplay v1.57 beta 9 is out - Mpxplay, 15.11.2010, 17:16
                            • Mpxplay v1.57 beta 9 is out - Rugxulo, 15.11.2010, 19:43
                              • Mpxplay v1.57 beta 9 is out - Mpxplay, 16.11.2010, 00:15
                                • Mpxplay v1.57 beta 9 is out - Rugxulo, 16.11.2010, 14:01
                                  • Mpxplay v1.57 beta 9 is out - Mpxplay, 16.11.2010, 20:46
                                  • Mpxplay v1.57 beta 9 is out | WEBM - DOS386, 17.11.2010, 04:02
                                    • Mpxplay v1.57 beta 9 is out | WEBM - Mpxplay, 17.11.2010, 13:08
                                      • Mpxplay v1.57 beta 9 is out | WEBM - DOS386, 17.11.2010, 13:36
                                        • Mpxplay v1.57 beta 9 is out | WEBM - Mpxplay, 17.11.2010, 20:47
                                        • Mpxplay v1.57 beta 9 is out | WEBM - Mpxplay, 17.11.2010, 22:50
                                          • Mpxplay v1.57 final is out | Ogg problems - Mpxplay, 26.11.2010, 05:44
                            • Mpxplay v1.57 beta 9 is out - Laaca, 04.12.2010, 21:09
                              • Mpxplay v1.57 beta 9 is out - Mpxplay, 11.12.2010, 22:02
                                • Mpxplay v1.57 beta 9 is out - RayeR, 12.12.2010, 14:12
                                  • Mpxplay v1.57 - Rugxulo, 12.12.2010, 23:23
                                    • Mpxplay v1.57 - Mpxplay, 12.12.2010, 23:58
                                    • Mpxplay v1.57 and 1.58 - DOS386, 21.12.2010, 16:22
                                      • Seems to be about TENNIS rather than MPXPLAY - DOS386, 24.12.2010, 08:45
                                      • Mpxplay v1.57 and 1.58 - Rugxulo, 25.12.2010, 01:11
                                        • Mpxplay v1.57 and 1.58 - DOS386, 26.12.2010, 09:21
                                          • Mpxplay v1.57 and 1.58 - Laaca, 26.12.2010, 13:20
                                            • Mpxplay v1.57 and 1.58 - INI and CFG stuff - DOS386, 27.12.2010, 08:42
                                              • Mpxplay v1.57 and 1.58 - INI and CFG stuff - Mpxplay, 27.12.2010, 17:24
                                                • Mpxplay v1.57 and 1.58 - INI and CFG stuff - DOS386, 30.12.2010, 09:45