Creative SB0350 Programming Manual page 88

The commands below are available on DSP versions 2.00, 2.01+, 3.xx and 4.xx.
Category
8-bit auto-init DMA mode
digitized sound I/O
Block transfer size
UART mode MIDI I/O
Digitized sound output speaker
control
The commands below are available on DSP versions 2.01+ and 3.xx.
Category
High-speed mode digitized
sound I/O
DSP Commands
Cmd# Description
1Ch Output
2Ch Input
7Dh 8-bit to 4-bit ADPCM output with ref. byte
7Fh 8-bit to 3-bit ADPCM output with ref. byte
1Fh 8-bit to 2-bit ADPCM output with ref. byte
DAh Exit 8-bit auto-init DMA-mode
48h Set block transfer size
34h Polling mode
35h Interrupt mode
36h Polling with time stamping
37h Interrupt with time stamping
D8h Get speaker status
Cmd# Description
90h 8-bit auto-init DMA mode output
98h 8-bit auto-init DMA mode input
91h 8-bit single-cycle DMA mode output
99h 8-bit single-cycle DMA mode input
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