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https://github.com/id-Software/wolf3d.git
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The Wolfenstein 3D source as originally released.
This commit is contained in:
Travis Bradshaw
237
WOLFSRC/ID_SD.H
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237
WOLFSRC/ID_SD.H
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//
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// ID Engine
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// ID_SD.h - Sound Manager Header
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// Version for Wolfenstein
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// By Jason Blochowiak
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//
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#ifndef __ID_SD__
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#define __ID_SD__
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void alOut(byte n,byte b);
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#ifdef __DEBUG__
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#define __DEBUG_SoundMgr__
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#endif
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#define TickBase 70 // 70Hz per tick - used as a base for timer 0
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typedef enum {
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sdm_Off,
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sdm_PC,sdm_AdLib,
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} SDMode;
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typedef enum {
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smm_Off,smm_AdLib
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} SMMode;
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typedef enum {
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sds_Off,sds_PC,sds_SoundSource,sds_SoundBlaster
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} SDSMode;
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typedef struct
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{
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longword length;
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word priority;
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} SoundCommon;
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// PC Sound stuff
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#define pcTimer 0x42
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#define pcTAccess 0x43
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#define pcSpeaker 0x61
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#define pcSpkBits 3
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typedef struct
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{
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SoundCommon common;
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byte data[1];
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} PCSound;
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// Registers for the Sound Blaster card - needs to be offset by n0 (0x10,0x20,0x30,0x40,0x50,0x60)
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#define sbReset 0x206 // W
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#define sbFMStatus 0x208 // R
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#define sbFMAddr 0x208 // W
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#define sbFMData 0x209 // W
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#define sbReadData 0x20a // R
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#define sbWriteCmd 0x20c // W
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#define sbWriteData 0x20c // W
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#define sbWriteStat 0x20c // R
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#define sbDataAvail 0x20e // R
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// Registers for the Sound Blaster Pro card - needs to be offset by n0 (0x20 or 0x40)
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#define sbpLFMStatus 0x200 // R
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#define sbpLFMAddr 0x200 // W
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#define sbpLFMData 0x201 // W
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#define sbpRFMStatus 0x202 // R
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#define sbpRFMAddr 0x202 // W
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#define sbpRFMData 0x203 // W
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#define sbpMixerAddr 0x204 // W
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#define sbpMixerData 0x205 // RW
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#define sbpCDData 0x210 // R
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#define sbpCDCommand 0x210 // W
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#define sbpCDStatus 0x211 // R
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#define sbpCDReset 0x212 // W
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// SBPro Mixer addresses
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#define sbpmReset 0x00
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#define sbpmVoiceVol 0x04
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#define sbpmMicMix 0x0a
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#define sbpmFilterADC 0x0c
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#define sbpmControl 0x0e
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#define sbpmMasterVol 0x22
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#define sbpmFMVol 0x26
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#define sbpmCDVol 0x28
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#define sbpmLineVol 0x2e
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typedef struct
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{
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SoundCommon common;
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word hertz;
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byte bits,
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reference,
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data[1];
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} SampledSound;
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// Registers for the AdLib card
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#define alFMStatus 0x388 // R
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#define alFMAddr 0x388 // W
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#define alFMData 0x389 // W
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// Register addresses
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// Operator stuff
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#define alChar 0x20
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#define alScale 0x40
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#define alAttack 0x60
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#define alSus 0x80
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#define alWave 0xe0
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// Channel stuff
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#define alFreqL 0xa0
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#define alFreqH 0xb0
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#define alFeedCon 0xc0
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// Global stuff
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#define alEffects 0xbd
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typedef struct
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{
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byte mChar,cChar,
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mScale,cScale,
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mAttack,cAttack,
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mSus,cSus,
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mWave,cWave,
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nConn,
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// These are only for Muse - these bytes are really unused
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voice,
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mode,
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unused[3];
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} Instrument;
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typedef struct
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{
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SoundCommon common;
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Instrument inst;
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byte block,
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data[1];
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} AdLibSound;
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//
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// Sequencing stuff
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//
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#define sqMaxTracks 10
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#define sqMaxMoods 1 // DEBUG
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#define sev_Null 0 // Does nothing
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#define sev_NoteOff 1 // Turns a note off
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#define sev_NoteOn 2 // Turns a note on
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#define sev_NotePitch 3 // Sets the pitch of a currently playing note
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#define sev_NewInst 4 // Installs a new instrument
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#define sev_NewPerc 5 // Installs a new percussive instrument
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#define sev_PercOn 6 // Turns a percussive note on
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#define sev_PercOff 7 // Turns a percussive note off
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#define sev_SeqEnd -1 // Terminates a sequence
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// Flags for MusicGroup.flags
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#define sf_Melodic 0
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#define sf_Percussive 1
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#if 1
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typedef struct
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{
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word length,
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values[1];
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} MusicGroup;
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#else
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typedef struct
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{
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word flags,
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count,
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offsets[1];
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} MusicGroup;
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#endif
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typedef struct
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{
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/* This part needs to be set up by the user */
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word mood,far *moods[sqMaxMoods];
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/* The rest is set up by the code */
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Instrument inst;
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boolean percussive;
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word far *seq;
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longword nextevent;
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} ActiveTrack;
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#define sqmode_Normal 0
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#define sqmode_FadeIn 1
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#define sqmode_FadeOut 2
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#define sqMaxFade 64 // DEBUG
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// Global variables
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extern boolean AdLibPresent,
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SoundSourcePresent,
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SoundBlasterPresent,
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NeedsMusic, // For Caching Mgr
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SoundPositioned;
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extern SDMode SoundMode;
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extern SDSMode DigiMode;
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extern SMMode MusicMode;
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extern boolean DigiPlaying;
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extern int DigiMap[];
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extern longword TimeCount; // Global time in ticks
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// Function prototypes
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extern void SD_Startup(void),
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SD_Shutdown(void),
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SD_Default(boolean gotit,SDMode sd,SMMode sm),
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SD_PositionSound(int leftvol,int rightvol);
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extern boolean SD_PlaySound(soundnames sound);
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extern void SD_SetPosition(int leftvol,int rightvol),
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SD_StopSound(void),
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SD_WaitSoundDone(void),
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SD_StartMusic(MusicGroup far *music),
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SD_MusicOn(void),
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SD_MusicOff(void),
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SD_FadeOutMusic(void),
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SD_SetUserHook(void (*hook)(void));
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extern boolean SD_MusicPlaying(void),
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SD_SetSoundMode(SDMode mode),
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SD_SetMusicMode(SMMode mode);
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extern word SD_SoundPlaying(void);
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extern void SD_SetDigiDevice(SDSMode),
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SD_PlayDigitized(word which,int leftpos,int rightpos),
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SD_StopDigitized(void),
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SD_Poll(void);
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#ifdef _MUSE_ // MUSE Goes directly to the lower level routines
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extern void SDL_PCPlaySound(PCSound far *sound),
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SDL_PCStopSound(void),
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SDL_ALPlaySound(AdLibSound far *sound),
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SDL_ALStopSound(void);
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#endif
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#endif
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