SOUND Manual

SEGASATURN SOUND DRIVER VERSION 2.20

Programmer's Guide


Introduction

1. 1. System overview

2. Sound control

Required data files
Sound area map
What is an area map?
Sound type
About 3D sound

3. 3. Sound control command

Sound control command details
01H SEQUENCE START Start playing songs and sound effects
02H SEQUENCE STOP Stop playing songs and sound effects
03H PAUSE Pause songs and sound effects
04H PAUSE OFF Unpause songs and sound effects
05H SEQUENCE VOLUME Volume control or fade in / out
06H STOP ALL Stop playing all
07H TEMPO CHANGE Change the tempo of songs and sound effects
08H MAP CHANGE Make a map change
09H DIRECT MIDI CONTROL Send MIDI event as a command
0AH START VOLUME ANALYZER Digital Audio In input level analysis started
0BH STOP VOLUME ANALYZER Digital Audio In input level analysis completed
0CH DSP STOP DSP stop and initialization
0DH ALL NOTE OFF Stop all pronunciation
0EH SEQUENCE PAN Control PANPOT from the game
10H SOUND INITIALIZE Initialize the sound driver
11H YAMAHA 3D CONTROL YAMAHA 3D sound control
12H QSOUND CONTROL Qsound control
13H YAMAHA 3D INITIALIZE YAMAHA 3D, Qsound Localization initialization
14H TEMPO MODE Tempo mode setting
15H TEMPO RATIO Relative tempo value setting
80H CD-DA LEVEL Adjust CD-DA level
81H CD-DA PAN CD-DA output Panpot settings
82H TOTAL VOLUME Total volume setting
83H EFFECT CHANGE Switching effects
85H START PCM STREAM PCM stream playback started
86H STOP PCM STREAM PCM stream playback stop
87H MIXER CHANGE Mixer switching
88H MIXER PARAMETER CHANGE Switching mixer parameters
89H HARDWARE CHECK Hardware check
8AH PCM PARAMETER CHANGE Parameter switching for the PCM stream being played
8BH PCM SLOT ALLOCATION Reserve a slot for the PCM stream
8CH PCM SLOT RELEASE Free up slots for PCM streams

4. Specific method of sound request

5. Error status bitmap

6. Debugging techniques

Sequence playback mode and status
CD-DA input level

7. System interface (work area)

System interface table
System information table
System interface work
Sound area map CRNT work
Tool interface work
Host interface work
Status area

8. About MIDI format


SOUND Manual
Copyright SEGA ENTERPRISES, LTD., 1997