6-26
DSP Commands
D3h
Turn off speaker
Output
D3h
Remarks
The DSP takes a maximum of 220 milliseconds to complete this command.
Some important notes:
1.
On version 1.xx, the DSP will pause the DMA transfer after executing this
command.
2.
On DSP version 4.xx, this command has no practical effect on the output signal.
However, it will still set to ‘Off’ the DSP’s internal speaker On/Off flag so that
command D8h, Get speaker status, will return the correct status.
See Also
command D1h, Turn on speaker
command D8h, Get speaker status
Available
1.xx
2.00
2.01+
3.xx
4.xx
9
9
9
9
9
D4h
Continue 8-bit DMA mode digitized sound I/O
Output
D4h
Remarks
Resumes the DMA transfer paused by command D0h, Pause 8-bit DMA mode
digitized sound I/O. Applicable to both single-cycle and auto-init DMA modes.
See Also
command D0h, Pause 8-bit DMA mode digitized sound I/O
Available
1.xx
2.00
2.01+
3.xx
4.xx
9
9
9
9
9