Digitized Sound I/O Programming
3-25
3.
Turn off the DAC speaker.
outp(wSBCB0xC, 0xD3)
4.
Disable the interrupt used.
5.
Restore the original interrupt service routine.
6.
Release the allocated DMA buffer.
During high-speed DMA mode data I/O, the DSP will not accept any further
commands. Hence, to stop data transfer before the end of a block, send the reset DSP
command.