157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
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/****************************************************************************
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*
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* driver.h
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*
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* Copyright (c) 1991-1994 Microsoft Corporation
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*
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***************************************************************************/
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#include <drvlib.h>
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#include <synth.h>
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#define SR_ALERT_NORESOURCE 11
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#define DATA_FMPATCHES 1234
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#ifndef RC_INVOKED
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#define RT_BINARY MAKEINTRESOURCE( 256 )
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#else
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#define RT_BINARY 256
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#endif
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//
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// Porting stuff
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//
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#define BCODE
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#define fEnabled TRUE
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#define AsULMUL(a, b) ((DWORD)((DWORD)(a) * (DWORD)(b)))
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#define AsLSHL(a, b) ((DWORD)((DWORD)(a) << (DWORD)(b)))
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#define AsULSHR(a, b) ((DWORD)((DWORD)(a) >> (DWORD)(b)))
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#define AsMemCopy CopyMemory
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extern HANDLE MidiDeviceHandle;
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extern SYNTH_DATA DeviceData[];
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extern int MidiPosition;
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extern VOID MidiFlush(VOID);
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extern VOID MidiCloseDevice(HANDLE DeviceHandle);
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extern MMRESULT MidiOpenDevice(LPHANDLE lpHandle, BOOL Write);
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extern MMRESULT MidiSetVolume(DWORD Left, DWORD Right);
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extern VOID MidiCheckVolume(VOID);
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extern MMRESULT MidiGetVolume(LPDWORD lpVolume);
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#define SYNTH_DATA_SIZE 80
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extern VOID FAR PASCAL MidiSendFM (DWORD wAddress, BYTE bValue);
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extern VOID FAR PASCAL MidiNewVolume (WORD wLeft, WORD wRight);
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extern WORD FAR PASCAL MidiInit (VOID);
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extern BYTE gbVelocityAtten[32];
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//
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// End of porting stuff
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//
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/*
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* midi device type - determined by kernel driver
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*/
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UINT gMidiType;
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/*
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* values for gMidiType - set in MidiOpenDevice
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*/
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#define TYPE_ADLIB 1
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#define TYPE_OPL3 2
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/*
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* String IDs
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* NOTE - these are shared with the drivers and should be made COMMON
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* definitions
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*/
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#define SR_ALERT 1
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#define SR_ALERT_NOPATCH 10
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#define SYSEX_ERROR 0xFF // internal error code for sysexes on input
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#define STRINGLEN (100)
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/* volume defines */
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#define VOL_MIDI (0)
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#define VOL_NUMVOL (1)
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#define VOL_LEFT (0)
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#define VOL_RIGHT (1)
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/* MIDI defines */
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#define NUMCHANNELS (16)
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#define NUMPATCHES (256)
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#define DRUMCHANNEL (9) /* midi channel 10 */
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/****************************************************************************
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typedefs
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***************************************************************************/
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// per allocation structure for midi
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typedef struct portalloc_tag {
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DWORD_PTR dwCallback; // client's callback
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DWORD_PTR dwInstance; // client's instance data
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HMIDIOUT hMidi; // handle for stream
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DWORD dwFlags; // allocation flags
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}PORTALLOC, NEAR *NPPORTALLOC;
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/****************************************************************************
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strings
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***************************************************************************/
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#define INI_STR_PATCHLIB TEXT("Patches")
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#define INI_SOUND TEXT("synth.ini")
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#define INI_DRIVER TEXT("Driver")
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/****************************************************************************
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globals
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***************************************************************************/
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/* midi.c */
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extern BYTE gbMidiInUse; /* if MIDI is in use */
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extern HMODULE ghModule; // our module handle
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/***************************************************************************
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prototypes
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***************************************************************************/
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/* midi.c */
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VOID NEAR PASCAL MidiMessage (DWORD dwData);
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DWORD APIENTRY modSynthMessage(UINT id,
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UINT msg, DWORD_PTR dwUser, DWORD_PTR dwParam1, DWORD_PTR dwParam2);
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UINT MidiOpen (VOID);
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VOID MidiClose (VOID);
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void MidiReset(void);
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