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Creative SB0350 Hardware Programming Guide - Page 138

Creative SB0350 Manual

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C-2 Relevant Information MIDI For more information on MIDI, see the following book: MIDI: A Comprehensive introduction Joseph Rothstein A-R Editions, Inc PIC and DMA Controllers Programming For more information on the PIC and DMA controllers programming, see the following books: Intel Microsystem Components Handbook Peripherals Volume II 8259 Programmable Interrupt Controller Data Sheet 8253 Programmable DMA Controller Data Sheet Interfacing to the IBM Personal Computer Lewis C. Eggebrecht Howard W. Sams & Company ISA System Architecture Shanley & Anderson PC System Architecture Series Volume 1 MindShare Press. Joystick Port Programming The joystick port on Sound Blaster cards is identical to the standard PC Game Control Adapter, thus for more information on the joystick port programming, see the IBM PC/AT Technical Reference Manual. FM Synthesizer Chip The FM synthesizer chips used on Sound Blaster cards are YAMAHA OPL2 and OPL3 chips. For more detailed documentation, please contact the vendor.

Section	Page
Introduction	8
What You Should Know	9
Scope and Manual Organization	9
Document Conventions	10
Determining User's Sound Blaster Card	12
Determining User's Card Settings	13
Chapter 1 - Hardware Overview	14
Anatomy of Sound Blaster Family of Audio Cards	15
Digital Sound Processor Chip	15
Mixer Chip	16
FM Synthesizer Chip	16
Bus Interface Chip	17
Advanced Signal Processor Chip	17
Block Diagrams for Sound Blaster Family of Audio Cards	19
Chapter 2 - Introduction to DSP Programming	23
DSP I/O Addresses	24
Resetting DSP	24
Reading from DSP	25
Writing to DSP	26
Handling Interrupts from DSP	26
Sharing of Interrupts	27
Configuring DMA and Interrupt Settings	28
Chapter 3 - Digitized Sound I/O Programming	30
Digitized Sound Operation Modes	31
Digitized Sound Data Format	31
Digitized Sound I/O Transfer Rate	33
Direct Mode	33
Single-cycle DMA Mode	34
Auto-initialize DMA Mode	34
High-Speed DMA Mode	35
ADPCM DMA mode	36
DSP Digitized Sound I/O Capability	37
Digitized Sound Input Capability	39
Sample Procedures	40
General Procedures for a DMA mode Transfer	41
Handling the DSP Digitized Sound I/O Interrupt	41
Chapter 4 - Mixer Chip Programming	59
Programming Sequence	60
CT1335 Mixer	62
Features	62
Register Functions	62
CT1345 Mixer	64
Features	64
Register Functions	65
CT1745 Mixer	68
Features	68
Register Functions	69
Chapter 5 - MIDI Port I/O Programming	76
SB-MIDI Mode	77
I/O Addresses	77
Sending MIDI Data	78
Reading MIDI Data	79
MPU-401 UART Mode	80
I/O Addresses	80
Checking the Status	81
Sending a Command	82
Sending MIDI Data	85
Reading MIDI Data	85
Chapter 6 - DSP Commands	86
Commands by Category	87
Command Descriptions	90
Appendix A - Sound Blaster I/O Address Maps	115
SB1.5 I/O Address Map	116
SBMCV I/O Address Map	117
SB2.0 I/O Address Map	118
SB2CD I/O Address Map	119
SBPRO I/O Address Map	120
SBPRO MCV I/O Address Map	122
SB16 I/O Address Map	123
Appendix B - File Format	125
Creative Voice File (VOC) Format	126
Header Block	126
Data Block	127
Creative ADPCM Wave Type Format	136
Appendix C - Relevant Information	137