Skip to content
Find file
Fetching contributors…
Cannot retrieve contributors at this time
238 lines (202 sloc) 5.09 KB
//
// ID Engine
// ID_SD.h - Sound Manager Header
// Version for Wolfenstein
// By Jason Blochowiak
//
#ifndef __ID_SD__
#define __ID_SD__
void alOut(byte n,byte b);
#ifdef __DEBUG__
#define __DEBUG_SoundMgr__
#endif
#define TickBase 70 // 70Hz per tick - used as a base for timer 0
typedef enum {
sdm_Off,
sdm_PC,sdm_AdLib,
} SDMode;
typedef enum {
smm_Off,smm_AdLib
} SMMode;
typedef enum {
sds_Off,sds_PC,sds_SoundSource,sds_SoundBlaster
} SDSMode;
typedef struct
{
longword length;
word priority;
} SoundCommon;
// PC Sound stuff
#define pcTimer 0x42
#define pcTAccess 0x43
#define pcSpeaker 0x61
#define pcSpkBits 3
typedef struct
{
SoundCommon common;
byte data[1];
} PCSound;
// Registers for the Sound Blaster card - needs to be offset by n0 (0x10,0x20,0x30,0x40,0x50,0x60)
#define sbReset 0x206 // W
#define sbFMStatus 0x208 // R
#define sbFMAddr 0x208 // W
#define sbFMData 0x209 // W
#define sbReadData 0x20a // R
#define sbWriteCmd 0x20c // W
#define sbWriteData 0x20c // W
#define sbWriteStat 0x20c // R
#define sbDataAvail 0x20e // R
// Registers for the Sound Blaster Pro card - needs to be offset by n0 (0x20 or 0x40)
#define sbpLFMStatus 0x200 // R
#define sbpLFMAddr 0x200 // W
#define sbpLFMData 0x201 // W
#define sbpRFMStatus 0x202 // R
#define sbpRFMAddr 0x202 // W
#define sbpRFMData 0x203 // W
#define sbpMixerAddr 0x204 // W
#define sbpMixerData 0x205 // RW
#define sbpCDData 0x210 // R
#define sbpCDCommand 0x210 // W
#define sbpCDStatus 0x211 // R
#define sbpCDReset 0x212 // W
// SBPro Mixer addresses
#define sbpmReset 0x00
#define sbpmVoiceVol 0x04
#define sbpmMicMix 0x0a
#define sbpmFilterADC 0x0c
#define sbpmControl 0x0e
#define sbpmMasterVol 0x22
#define sbpmFMVol 0x26
#define sbpmCDVol 0x28
#define sbpmLineVol 0x2e
typedef struct
{
SoundCommon common;
word hertz;
byte bits,
reference,
data[1];
} SampledSound;
// Registers for the AdLib card
#define alFMStatus 0x388 // R
#define alFMAddr 0x388 // W
#define alFMData 0x389 // W
// Register addresses
// Operator stuff
#define alChar 0x20
#define alScale 0x40
#define alAttack 0x60
#define alSus 0x80
#define alWave 0xe0
// Channel stuff
#define alFreqL 0xa0
#define alFreqH 0xb0
#define alFeedCon 0xc0
// Global stuff
#define alEffects 0xbd
typedef struct
{
byte mChar,cChar,
mScale,cScale,
mAttack,cAttack,
mSus,cSus,
mWave,cWave,
nConn,
// These are only for Muse - these bytes are really unused
voice,
mode,
unused[3];
} Instrument;
typedef struct
{
SoundCommon common;
Instrument inst;
byte block,
data[1];
} AdLibSound;
//
// Sequencing stuff
//
#define sqMaxTracks 10
#define sqMaxMoods 1 // DEBUG
#define sev_Null 0 // Does nothing
#define sev_NoteOff 1 // Turns a note off
#define sev_NoteOn 2 // Turns a note on
#define sev_NotePitch 3 // Sets the pitch of a currently playing note
#define sev_NewInst 4 // Installs a new instrument
#define sev_NewPerc 5 // Installs a new percussive instrument
#define sev_PercOn 6 // Turns a percussive note on
#define sev_PercOff 7 // Turns a percussive note off
#define sev_SeqEnd -1 // Terminates a sequence
// Flags for MusicGroup.flags
#define sf_Melodic 0
#define sf_Percussive 1
#if 1
typedef struct
{
word length,
values[1];
} MusicGroup;
#else
typedef struct
{
word flags,
count,
offsets[1];
} MusicGroup;
#endif
typedef struct
{
/* This part needs to be set up by the user */
word mood,far *moods[sqMaxMoods];
/* The rest is set up by the code */
Instrument inst;
boolean percussive;
word far *seq;
longword nextevent;
} ActiveTrack;
#define sqmode_Normal 0
#define sqmode_FadeIn 1
#define sqmode_FadeOut 2
#define sqMaxFade 64 // DEBUG
// Global variables
extern boolean AdLibPresent,
SoundSourcePresent,
SoundBlasterPresent,
NeedsMusic, // For Caching Mgr
SoundPositioned;
extern SDMode SoundMode;
extern SDSMode DigiMode;
extern SMMode MusicMode;
extern boolean DigiPlaying;
extern int DigiMap[];
extern longword TimeCount; // Global time in ticks
// Function prototypes
extern void SD_Startup(void),
SD_Shutdown(void),
SD_Default(boolean gotit,SDMode sd,SMMode sm),
SD_PositionSound(int leftvol,int rightvol);
extern boolean SD_PlaySound(soundnames sound);
extern void SD_SetPosition(int leftvol,int rightvol),
SD_StopSound(void),
SD_WaitSoundDone(void),
SD_StartMusic(MusicGroup far *music),
SD_MusicOn(void),
SD_MusicOff(void),
SD_FadeOutMusic(void),
SD_SetUserHook(void (*hook)(void));
extern boolean SD_MusicPlaying(void),
SD_SetSoundMode(SDMode mode),
SD_SetMusicMode(SMMode mode);
extern word SD_SoundPlaying(void);
extern void SD_SetDigiDevice(SDSMode),
SD_PlayDigitized(word which,int leftpos,int rightpos),
SD_StopDigitized(void),
SD_Poll(void);
#ifdef _MUSE_ // MUSE Goes directly to the lower level routines
extern void SDL_PCPlaySound(PCSound far *sound),
SDL_PCStopSound(void),
SDL_ALPlaySound(AdLibSound far *sound),
SDL_ALStopSound(void);
#endif
#endif
Something went wrong with that request. Please try again.