DOS ain't dead - SSE in DOS under JEMM386 ??

SSE in DOS under JEMM386 ?? (DOSX)

posted by Japheth , Germany (South), 03.01.2008, 09:19

> I finally seem to get it to run w/ SSE2 in QEMU, but only if running
> HIMEMX (e.g. real mode) and with PMODETSR (ring 0, no paging) since it's a
> DJGPP-compiled program (needs DPMI).
>
> Japheth, is this normal? Do you know what I'm doing wrong or if there's an
> easy way to correct it? (That's assuming you know anything about this
> stuff, which you must, at least vaguely.)

I don't know what you are doing, but for Jemm it's a non-issue, since it supports the VCPI API for CR0 access and additionally emulates all moves to/from special registers (by writing to CR0/CR3 you can easily crash Jemm :-D ).

---
MS-DOS forever!

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Complete thread:

SSE in DOS under JEMM386 ?? - Rugxulo, 03.01.2008, 06:54 (DOSX)
- SSE in DOS under JEMM386 ?? - DOS386, 03.01.2008, 08:12
  - SSE in DOS under JEMM386 ?? - Rugxulo, 04.01.2008, 01:03
- SSE in DOS under JEMM386 ?? - Japheth, 03.01.2008, 09:19
  - SSE in DOS under JEMM386 ?? - Rugxulo, 04.01.2008, 01:05
    - SSE in DOS under JEMM386 ?? - Japheth, 04.01.2008, 09:44
      - SSE in HDPMI / bug (c/c) - DOS386, 04.01.2008, 10:20
        SSE in HDPMI / bug (c/c) - Japheth, 04.01.2008, 11:12
        SSE in HDPMI / bug (c/c) - Rugxulo, 04.01.2008, 22:39
      - SSE in DOS under JEMM386 ?? - Rugxulo, 07.01.2008, 14:49
        SSE in DOS under JEMM386 ?? - Japheth, 07.01.2008, 17:42
        SSE in DOS under JEMM386 ?? - Rugxulo, 09.01.2008, 01:23
        SSE in DOS under JEMM386 ?? - Rugxulo, 09.01.2008, 10:46
        SSE in DOS -> Illegal Instruction Exception - DOS386, 10.01.2008, 01:22
        SSE in DOS -> Illegal Instruction Exception - Steve, 10.01.2008, 08:46
        SSE in DOS -> alignment issues - Rugxulo, 10.01.2008, 22:21
        SSE in DOS under JEMM386 ?? - Japheth, 10.01.2008, 17:19
- SSE in pure DOS - Rugxulo, 04.01.2008, 06:09
  - Secure Socket Extremism in DOS | You maybe have a Page Foul - DOS386, 04.01.2008, 07:52
    - SSE in DOS | Page Fault | JEMM386 / HDPMI32 - Rugxulo, 04.01.2008, 22:47
      - SSE in DOS | Page Fault <- YES, your bug | HDPMI32 - DOS386, 05.01.2008, 02:19
        SSE2 in DOS | PAQ8o8z (Jan. 6) - Rugxulo, 06.01.2008, 05:09
        SSE2 in DOS | PAQ8o8z (Jan. 6) - DOS386, 08.01.2008, 02:00
- MS the "only hope"? - Japheth, 04.01.2008, 12:11
  - MS the "only hope"? - RayeR, 04.01.2008, 18:09
    - MS the "only hope"? - Japheth, 04.01.2008, 19:16
      - MS the "only hope"? - RayeR, 04.01.2008, 22:17
      - MS the "only hope"? (Vista DPMI bug: 32 MB max.) - Rugxulo, 04.01.2008, 22:31
        MS the "only hope" ? NOT for me !!! - DOS386, 05.01.2008, 02:22
        MS the "only hope" ? NOT for me !!! - RayeR, 05.01.2008, 18:58
        MS the "only hope" ? NOT for me !!! Multiboot - DOS386, 08.01.2008, 01:47
        NTVDM forever! - Japheth, 08.01.2008, 09:02
        MS the "only hope" ? NOT for me !!! Multiboot - Steve, 08.01.2008, 13:54
        MS the "only hope" ? NOT for me !!! Multiboot - Rugxulo, 09.01.2008, 01:19
        MS the "only hope" ? NOT for me !!! Multiboot - RayeR, 14.01.2008, 21:34
        A TSR worth a try in Vista - Japheth, 05.01.2008, 11:04
        A TSR worth a try in Vista - Rugxulo, 05.01.2008, 21:08
        A TSR worth a try in Vista - Khusraw, 07.01.2008, 11:06
        A TSR worth a try in Vista - Rugxulo, 07.01.2008, 14:44
        A TSR worth a try in Vista - Japheth, 07.01.2008, 17:34
        A TSR worth a try in Vista - Rugxulo, 09.01.2008, 01:09