Source code of Windows XP (NT5)
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
/*
* Copyright (c) 1992-1994 Microsoft Corporation */
/*
* definition of interface functions to the adlib midi device type. * * These functions are called from midi.c when the kernel driver * has decreed that this is an adlib-compatible device. * * Geraint Davies, Dec 92 */
/*
* Adlib_NoteOn - This turns a note on. (Including drums, with * a patch # of the drum Note + 128) * * inputs * BYTE bPatch - MIDI patch number * BYTE bNote - MIDI note number * BYTE bChannel - MIDI channel # * BYTE bVelocity - Velocity # * short iBend - current pitch bend from -32768, to 32767 * returns * none */VOID NEAR PASCAL Adlib_NoteOn (BYTE bPatch, BYTE bNote, BYTE bChannel, BYTE bVelocity, short iBend);
/* Adlib_NoteOff - This turns a note off. (Including drums,
* with a patch # of the drum note + 128) * * inputs * BYTE bPatch - MIDI patch # * BYTE bNote - MIDI note number * BYTE bChannel - MIDI channel # * returns * none */VOID FAR PASCAL Adlib_NoteOff (BYTE bPatch, BYTE bNote, BYTE bChannel);
/* Adlib_AllNotesOff - turn off all notes
* * inputs - none * returns - none */VOID Adlib_AllNotesOff(void);
/* Adlib_NewVolume - This should be called if a volume level
* has changed. This will adjust the levels of all the playing * voices. * * inputs * WORD wLeft - left attenuation (1.5 db units) * WORD wRight - right attenuation (ignore if mono) * returns * none */VOID FAR PASCAL Adlib_NewVolume (WORD wLeft, WORD wRight);
/* Adlib_ChannelVolume - set the volume level for an individual channel.
* * inputs * BYTE bChannel - channel number to change * WORD wAtten - attenuation in 1.5 db units * * returns * none */VOID FAR PASCAL Adlib_ChannelVolume(BYTE bChannel, WORD wAtten);
/* Adlib_SetPan - set the left-right pan position.
* * inputs * BYTE bChannel - channel number to alter * BYTE bPan - 0 for left, 127 for right or somewhere in the middle. * * returns - none */VOID FAR PASCAL Adlib_SetPan(BYTE bChannel, BYTE bPan);
/* Adlib_PitchBend - This pitch bends a channel.
* * inputs * BYTE bChannel - channel * short iBend - Values from -32768 to 32767, being * -2 to +2 half steps * returns * none */VOID NEAR PASCAL Adlib_PitchBend (BYTE bChannel, short iBend);
/* Adlib_BoardInit - initialise board and load patches as necessary.
* * inputs - none * returns - 0 for success or the error code */WORD Adlib_BoardInit(void);
/*
* Adlib_BoardReset - silence the board and set all voices off. */VOID Adlib_BoardReset(void);
|
