Creative SB0350 Hardware Programming Guide - Page 5

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Contents v Sample Procedures ...3-10 General Procedures for a DMA mode Transfer...3-11 Handling the DSP Digitized Sound I/O Interrupt ...3-11 8-bit Mono Single-cycle Transfer...3-12 8-bit Mono Auto-initialize Transfer ...3-14 8-bit Mono High-Speed Single-cycle Transfer...3-16 8-bit Mono High-Speed Auto-initialize Transfer...3-18 8-bit Stereo High-speed Single-cycle Transfer ...3-20 8-bit Stereo High-Speed Auto-initialize Transfer...3-22 8-bit or 16-bit Single-cycle Transfer...3-25 8-bit or 16-bit Auto-initialize Transfer...3-27 Chapter 4 Mixer Chip Programming Programming Sequence...4-2 CT1335 Mixer ...4-4 Features ...4-4 Register Functions ...4-4 CT1345 Mixer ...4-6 Features ...4-6 Register Functions ...4-7 CT1745 Mixer ...4-10 Features ...4-10 Register Functions ...4-11 Chapter 5 MIDI Port I/O Programming SB-MIDI Mode...5-2 I/O Addresses...5-2 Sending MIDI Data...5-3 Reading MIDI Data...5-4 MPU-401 UART Mode...5-5 I/O Addresses...5-5 Checking the Status...5-6 Sending a Command ...5-7 Sending MIDI Data...5-10 Reading MIDI Data...5-10 Chapter 6 DSP Commands Commands by Category...6-2 Command Descriptions...6-5

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Contents
v
Sample Procedures
..................................................................................................
3-10
General Procedures for a DMA mode Transfer
.........................................
3-11
Handling the DSP Digitized Sound I/O Interrupt
.......................................
3-11
8-bit Mono Single-cycle Transfer
..............................................................
3-12
8-bit Mono Auto-initialize Transfer
..........................................................
3-14
8-bit Mono High-Speed Single-cycle Transfer
..........................................
3-16
8-bit Mono High-Speed Auto-initialize Transfer
.......................................
3-18
8-bit Stereo High-speed Single-cycle Transfer
.........................................
3-20
8-bit Stereo High-Speed Auto-initialize Transfer
......................................
3-22
8-bit or 16-bit Single-cycle Transfer
.........................................................
3-25
8-bit or 16-bit Auto-initialize Transfer
......................................................
3-27
Chapter 4
Mixer Chip Programming
Programming Sequence
..............................................................................................
4-2
CT1335 Mixer
...........................................................................................................
4-4
Features
.......................................................................................................
4-4
Register Functions
.......................................................................................
4-4
CT1345 Mixer
...........................................................................................................
4-6
Features
.......................................................................................................
4-6
Register Functions
.......................................................................................
4-7
CT1745 Mixer
.........................................................................................................
4-10
Features
.....................................................................................................
4-10
Register Functions
.....................................................................................
4-11
Chapter 5
MIDI Port I/O Programming
SB-MIDI Mode
..........................................................................................................
5-2
I/O Addresses
..............................................................................................
5-2
Sending MIDI Data
......................................................................................
5-3
Reading MIDI Data
......................................................................................
5-4
MPU-401 UART Mode
..............................................................................................
5-5
I/O Addresses
..............................................................................................
5-5
Checking the Status
......................................................................................
5-6
Sending a Command
....................................................................................
5-7
Sending MIDI Data
....................................................................................
5-10
Reading MIDI Data
....................................................................................
5-10
Chapter 6
DSP Commands
Commands by Category
..............................................................................................
6-2
Command Descriptions
..............................................................................................
6-5