Creative SB0350 Hardware Programming Guide - Page 47
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3-18 Digitized Sound I/O Programming At the end of data transfer: 1. 2. 3. Turn off the DAC speaker. outp(wSBCBaseAddx+0xC, 0xD3) Disable the interrupt used. Restore the original interrupt service routine. During high-speed DMA mode data I/O, the DSP will not accept any commands. Hence, to stop data transfer before the end of a block, send the reset DSP command.
3-18
Digitized Sound I/O Programming
At the end of data transfer:
1.
Turn off the DAC speaker.
outp(wSBCBaseAddx+0xC, 0xD3)
2.
Disable the interrupt used.
3.
Restore the original interrupt service routine.
During high-speed DMA mode data I/O, the DSP will not accept any commands.
Hence, to stop data transfer before the end of a block, send the
reset DSP
command.