DOS ain't dead

DOS and 4 GB of memory (Users)

posted by Japheth , Germany (South), 06.08.2008, 07:15

> In particular, I think r6 w/ (sometimes?) 4 MB pages will always have
> issues with some VCPI/EMM386s. CWS never did have enough testers of
> various VCPI servers, so if anyone here wants to test on QEMM, 386Max,
> whatever ... feel free to report your experiences either here or to CWS
> directly. Just anything that doesn't work as normal in standard/stable r5
> is what he's specifically curious about (esp. DJGPP apps with code + data
> >= 4 MB: uncompressed CC1PLUS.EXE from GCC, Dungeon Crawl:SS, unstripped
> GDB, whatever).

It's not related to 4 MB pages. The VCPI client is free to implement any page tables he likes. The issue was about switching from real-mode to protected-mode. cwsdpmi expects a 16bit host stack and will crash if the stack is 32bit.

---
MS-DOS forever!

Complete thread:

• DOS and 4 GB of memory - Zyzzle, 31.07.2008, 00:35 (Users)
  • DOS and 4 GB of memory - marcov, 31.07.2008, 10:56
    • DOS and 4 GB of memory - ecm, 31.07.2008, 16:32
    • DOS and 4 GB of memory - RayeR, 31.07.2008, 23:23
      • DOS and 4 GB of memory - marcov, 01.08.2008, 12:39
        • DOS and 4 GB of memory - Zyzzle, 01.08.2008, 23:37
          • DOS and 4 GB of memory - Rugxulo, 02.08.2008, 08:12
            • DOS and 4 GB of memory - RayeR, 03.08.2008, 00:59
              • DOS and 4 GB of memory - Japheth, 03.08.2008, 06:15
                • DOS and 4 GB of memory - Rugxulo, 06.08.2008, 01:11
                  • DOS and 4 GB of memory - Japheth, 06.08.2008, 07:15
                    • DOS and 4 GB of memory - Rugxulo, 07.08.2008, 05:37
                      • DOS and 4 GB of memory - Japheth, 07.08.2008, 10:08
                  • DOS and 4 GB of memory - RayeR, 06.08.2008, 15:09
  • DOS and 4 GB of memory - Steve, 31.07.2008, 13:00
  • DOS and 4 GB of memory - Rugxulo, 31.07.2008, 20:00
    • DOS and 4 GB of memory (CWSDPMI) - Rugxulo, 01.08.2008, 05:01
      • DOS and 4 GB of memory (CWSDPMI) - RayeR, 11.08.2008, 17:28
        • DOS and 4 GB of memory (CWSDPMI) - Rugxulo, 12.08.2008, 07:20
          • DOS and 4 GB of memory (CWSDPMI) - RayeR, 12.08.2008, 11:43
            • DOS and 4 GB of memory (CWSDPMI) - Rugxulo, 14.08.2008, 04:28
    • DOS and 4 GB of memory - Zyzzle, 04.08.2008, 00:13
      • DOS and 4 GB of memory - rr, 04.08.2008, 09:26
        • DOS and 4 GB of memory - Rugxulo, 04.08.2008, 23:19