27 lines
836 B
C
27 lines
836 B
C
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/****************************************************************************
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*
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* callback.c
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*
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* Copyright (c) 1991 Microsoft Corporation. All Rights Reserved.
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*
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***************************************************************************/
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#include <windows.h>
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#include <mmsystem.h>
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#include "sbtest.h"
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#pragma alloc_text(SBTESTCBFIX, SBMidiInCallback)
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// NOTE this function is entered at interrupt time
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// NOTE don't touch the DATA segment, it is not setup!!!!!!
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void FAR PASCAL SBMidiInCallback(HMIDIIN hMidiIn, UINT wMsg, DWORD dwInstance,
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DWORD dwParam1, DWORD dwParam2)
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{
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if (dwInstance) {
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if ((wMsg == MM_MIM_DATA) && ((dwParam1 & 0x000000F0) != 0x000000F0))
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// don't allow system messages (e.g. active sensing!)
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midiOutShortMsg((HMIDIOUT)dwInstance, dwParam1);
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}
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}
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