DSP Commands
6-3
The commands below are available on DSP versions 2.00, 2.01+, 3.xx and 4.xx.
Category
Cmd#
Description
8-bit auto-init DMA mode
1Ch
Output
digitized sound I/O
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
Block transfer size
48h
Set block transfer size
UART mode MIDI I/O
34h
Polling mode
35h
Interrupt mode
36h
Polling with time stamping
37h
Interrupt with time stamping
Digitized sound output speaker
control
D8h
Get speaker status
The commands below are available on DSP versions 2.01+ and 3.xx.
Category
Cmd#
Description
High-speed mode digitized
90h
8-bit auto-init DMA mode output
sound I/O
98h
8-bit auto-init DMA mode input
91h
8-bit single-cycle DMA mode output
99h
8-bit single-cycle DMA mode input