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

posted by RayeR Homepage, CZ, 20.01.2026, 01:19

Do you have some AWE32/64 for testing?
AFAIK it works a way called HW-assisted port forwarding/emu. aweutil sets the HW to generate NMI on ISA bus when port access occur (some HW IO address comparator) so it comes after, not before. As NMI was intended to have the highest priority so it can occur any time any ring... why is it problem in HDPMI? Something with reentrancy?

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DOS gives me freedom to unlimited HW access.

 

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