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AweMidi - DOS MIDI synthesizer with Creative's AWEUTIL for Protected mode DOS - DOS32AWE alternative

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First post, by Baron von Riedesel

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Hello,

AweMidi is a set of tools ( JemmEx and HDPMI ) that is supposed to allow using Creative's DOS MIDI synthesizer ( AWEUTIL with /EM option ) for Protected mode DOS.

It's like DOS32AWE, but prioritizes v86-mode, not real-mode.

Currently it has been tested on 3 "machines" only, so one cannot call it battle-tested yet, I guess.

Unlike DOS32AWE, the DOS extender is NOT replaced - however, the PL0 part is now done by HDPMI.

To test it, you'll need an AWE32, AWE64 or SB32 ( tested with an AWE32 only ).

Download: https://drive.google.com/file/d/1ch5RlaUI9vl1 … iew?usp=sharing

Reply 1 of 4, by carlostex

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Excellent!

Will this require JemmEx exclusively? Or does the CPU just need to be in V86 mode (even if done by QEMM or EMM386)?

Will test, hopefully today.

Reply 2 of 4, by Baron von Riedesel

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carlostex wrote on 2026-02-26, 02:02:

Will this require JemmEx exclusively? Or does the CPU just need to be in V86 mode (even if done by QEMM or EMM386)?

I did some tests with MegaMid - which is a "real-mode" program - with a few EMMs. Result:

  • JemmEx: ok
  • Emm386: crashes
  • Qemm 97: works, but swallows notes or changes speed

    Reply 3 of 4, by carlostex

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    I didn't have much time so limited testing only. Tested Sam n' Max: Hit the Road, but without success.

    Booted DOS with the new JemmEx version provided.

    - Loaded AWEUTIL with EM parameter
    - ran the Start.bat batch;
    - Ran the game but got errors with screen changed to 40 column and crash to DOS

    With DOS32AWE it worked (with system booted to real mode of course)

    Reply 4 of 4, by Baron von Riedesel

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    carlostex wrote on 2026-02-27, 03:01:

    I didn't have much time so limited testing only. Tested Sam n' Max: Hit the Road, but without success.

    Confirmed. What's really strange - it exits with "transfer stack overflow" on my test machine if SB IRQ is 5, but works with SB IRQ 7.

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