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212 lines
5.2 KiB
212 lines
5.2 KiB
/****************************************************************************
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*
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* driver.h
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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 <synth.h>
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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 _loadds
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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 memcpy
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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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MMRESULT MidiTranslateStatus(VOID);
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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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#define SYSEX_ERROR 0xFF // internal error code for sysexes on input
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#define STRINGLEN (100)
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/* number of windows which we can have registered */
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#define REGWINDOWS (10)
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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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/* strings */
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#define SR_ALERT 1
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#define SR_ALERT_IO 2
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#define SR_ALERT_NOIO 3
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#define SR_ALERT_NOPATCH 4
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#define SR_STR_DRIVERMIDIOUT 5
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#define SR_STR_VOLUME 6
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#define SR_ALERT_BAD 7
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#define SR_ALERT_CONFIGFAIL 8
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#define SR_ALERT_FAILREMOVE 9
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#define IDS_MENUABOUT 10
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/* MIDI defines */
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/* errors */
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#define ERR_OUTOFMEMORY (1)
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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 dwCallback; // client's callback
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DWORD 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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#if DBG
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#ifndef NOSTR
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extern char FAR STR_DRIVER[];
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extern char FAR STR_MMDEBUG[];
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#endif // NOSTR
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extern WCHAR STR_CRLF[];
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extern WCHAR STR_SPACE[];
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#endif
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#define STR_HELPFILE TEXT("synth.hlp")
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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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// in init.c
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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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BOOL NEAR PASCAL modSuspend(void);
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BOOL NEAR PASCAL modReactivate(void);
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// config.c
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int DrvInstall(void);
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extern int DlgAboutProc (HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
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extern LRESULT ConfigRemove(HWND hDlg);
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// drvproc.c
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LRESULT DriverProc(DWORD dwDriverID, HDRVR hDriver, UINT uiMessage, LPARAM lParam1, LPARAM lParam2);
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// init.c
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void cdecl AlertBox(HWND hwnd, UINT wStrId, ...);
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WORD GetWindowsVersionCorrectly(void);
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/* midi.c */
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VOID NEAR PASCAL MidiMessage (DWORD dwData);
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DWORD modMessage(UINT id,
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UINT msg, DWORD dwUser, DWORD dwParam1, DWORD 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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void modGetDevCaps(LPBYTE lpCaps, UINT wSize);
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/****************************************************************************
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Debug output
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***************************************************************************/
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#if DBG
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extern WORD wDebugLevel; // debug level
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#define D1(sz) if (wDebugLevel >= 1) (OutputDebugStr(STR_CRLF),OutputDebugStr(TEXT(sz)))
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#define D2(sz) if (wDebugLevel >= 2) (OutputDebugStr(STR_SPACE),OutputDebugStr(TEXT(sz)))
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#define D3(sz) if (wDebugLevel >= 3) (OutputDebugStr(STR_SPACE),OutputDebugStr(TEXT(sz)))
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#define D4(sz) if (wDebugLevel >= 4) (OutputDebugStr(STR_SPACE),OutputDebugStr(TEXT(sz)))
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#else
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#define D1(sz) 0
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#define D2(sz) 0
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#define D3(sz) 0
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#define D4(sz) 0
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#endif
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