Date: Sun, 30 Jan 2000 10:23:53 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: JP Morris <doug-15 AT bigfoot DOT com>
cc: djgpp AT delorie DOT com
Subject: Re: IRQ 5, CWSDPMI and PMODETSR
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On Fri, 28 Jan 2000, JP Morris wrote:

> With the Aureal Vortex-2 sound card in DOS mode, it should act as
> a soundblaster compatible card using IRQ 5 and DMA channel 1.
> 
> When various DJGPP programs are run using CWSDPMI, the DMA transfers
> apparently succeed, but the IRQ is never recieved by the DJGPP program.
> 
> If PMODETSR is used instead, the programs work correctly.
> Does anyone know why this might be?

How can we tell without any code being shown?

Did you try CWSDPR0?  Did it work?