offset | size | data Contents | Description |
+ 00h | 1B | Interrupt control word
( Host → Sound) | Bit7: IPT ENABLE 0: PCM playback address update interrupt disabled
1: PCM playback address update interrupt enabled |
+ 01h | 1B | Interrupt type (1-127)
(Sound → Host) | 1: PCM playback address update interrupt
2-127: Not used |
+ 02h | 1B | corresponding stream playback number
(Sound → Host) | The corresponding stream playback number at the PCM playback address update interrupt
□ Bit0-7 corresponds to PCM playback number 0-7 (Bit = 1)) |
+ 03h | 1B | Sound mode control word
(Host → Sound) | Bit7: Sound mode 0: Sound output STERE mode
1: Sound output MONO mode |
+ 04h | 1B | 3D sound control word
(Host → Sound) | Bit7: 3D 1ch mode 0: Not used 1: Used
Bit6: 3D 2ch mode 0: Not used 1: Used
Bit5: Qsound 4ch mode 0: Not used 1: Used
Bit4: Qsound 8ch mode 0: Not used 1: Used |
+ 05h | 1B | Q sound COEF pointer | Q sound COEF pointer |
+ 06h | 1B | 3D sound COEF pointer | 3D sound COEF pointer |
+ 07h | 1B | 3D sound MADRS pointer | 3D sound MADRS pointer |
+ 08h | 32B | 3D sound parameters | 3D sound parameter storage area |
+ 28h | 48B | 3D sound program work | Work area for 3D sound program (30h) |
+ 58h | 8B | Reserved area | − |
+ 60h | 1B | Command sequence timing flag
(Host → Sound) | Bit7: Timing flag 0: Idle
: 1: Command set complete |
+ 61h | 1B | Command sequence control word
(Host → Sound) | Bit7: Command mode 0: Handshake OFF (V1.00-1.29)
1: Handshake ON (V1.30-)
> Bit6: SCSP MIDI output 0: OFF
1: ON
Bit5: Not available Always 0 |
+ 62h | 14B | Reserved area | − |
+ 70h | 16B | Titan's work | Titan compatible reserved area (cannot be used with Saturn) |