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DOS32AWE - RAM wavetable MIDI possible for PM games under DOS (Announce)

posted by RayeR Homepage, CZ, 26.01.2026, 00:17

A bit of testing. I grab new JEMM 5.86 release and WIP HX-master
I enabled NMISAFE in HDPMI32.MAK as you suggested.
I hope I use the right compiled binary from subdir
Src\HDPMI\STD32\HDPMI32.EXE [36096B]

1st I noticed that with new JEMM I sometimes (every ~3-5th boot) get a random exception (00/06/2E) when loading aweutil soundfont after boot. When loading jemm after aweutil it didn't happen but not tried many times. I din's see this yesterday with my JEMM WIP build.

I'm not sure about proper loading sequence and where the loading order matters, I loaded the max config like this:
1) jemmex (in config.sys) then from cmdline: 2) aweutil SF 3) hdpmi32 -r 4) awemidi game.exe

Here are some tried combinations:
jemm only : doom hangs soon after game start during play
jemm + awemidi : doom hangs at startup on black screen after switch to gfx mode
jemm + awemidi -2 : doom hangs in game menu after few notes play
jemm + hdpmi -r +awemidi -2 -doom hangs in game menu after few notes play
jemm + dos32awe : doom runs ok

jemm only : doom2 hangs soon after 1st note
jemm + awemidi : doom2 hangs at startup on black screen after switch to gfx mode
jemm + awemidi -2 : doom2 hangs at startup on black screen after switch to gfx mode
jemm + hdpmi -r +awemidi -2 : doom2 hangs at startup on black screen after switch to gfx mode
jemm + dos32awe : doom2 runs ok

* dos32awe - modified version with disabled v86 ban

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DOS gives me freedom to unlimited HW access.

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