Nintendo Ultra64 Manuals

Nintendo Ultra64 Manuals

Manuals and User Guides for Nintendo Ultra64. We have 1 Nintendo Ultra64 manual available for free PDF download: Programmer's Manual

Nintendo Ultra64 Programmer's Manual

Nintendo Ultra64 Programmer's Manual (331 pages)

RSP

Brand: Nintendo | Category: Computer Hardware | Size: 1.33 MB

Table of Contents

Table of Contents
3
1 Introduction

15
- Document Description
  16
  - What It Is
    16
  - What It Is Not
    16
  - Information Presentation
    17
- RSP Software Development Tools
  19
  - Rspasm
    19
  - Cpp
    20
  - Buildtask
    21
  - Rsp2Elf
    21
  - Rsp, Rspg
    21
  - Gameshop Debugger (Gvd)
    22
2 RSP Architecture

23
- Overview
  24
  - Slave to the CPU
    24
  - Part of the RCP
    24
  - R4000 Core
    25
  - Figure 2-1 Block Diagram of the RCP
    25
  - Clock Speed
    26
  - Vector Processor
    26
- Major R4000 Differences
  27
  - Pipeline Depth
    27
  - No Interrupts, Exceptions, or Traps
    27
  - Coprocessors
    27
  - Missing Instructions
    27
- Modified Instructions
  28
- Imem
  29
  - Addressing
    29
  - Explicitly Managed
    29
- Dmem
  30
  - Addressing
    30
  - Explicitly Managed Resource
    30
- External Memory Map
  31
- Scalar Unit Registers
  32
  - SU Register Format
    32
  - Register 0
    32
  - Register 31
    32
  - Figure 2-2 SU Register Format
    32
  - SU Control Registers
    33
- Vector Unit Registers
  34
  - VU Register Format
    34
  - VU Register Addressing
    34
    
    Computational Instructions
    34
    
    Loads, Stores, and Moves
    35
  - Accumulator
    36
  - VU Control Registers
    36
    
    Vector Compare Code Register (VCC)
    36
    
    Figure 2-4 VU Accumulator Format
    36
    
    Vector Carry out Register (VCO)
    37
    
    Figure 2-5 VCC Register Format
    37
    
    Figure 2-6 VCO Register Format
    37
    
    Vector Compare Extension Register (VCE)
    38
    
    Figure 2-7 VCE Register Format
    38
- SU and VU Interaction
  39
  - Dual Issue of Instructions
    39
- RSP Instruction Set
  40
  - Instruction Formats
    40
    
    SU Instruction Format
    40
    
    VU Instruction Format
    40
    
    Distinguishing SU and VU Instructions
    40
    
    Illegal Instructions
    40
  - Execution Pipeline
    41
    
    RSP Block Diagram
    41
    
    Figure 2-8 RSP Block Diagram
    42
    
    Mary Jo's Rules
    43
    
    Register Hazards
    43
    
    SU Is Bypassed
    44
    
    Figure 2-9 Pipeline Bypassing
    44
  - Coprocessor 0
    45
  - Interrupts, Exceptions, and Processor Status
    46
    
    Interrupts
    46
    
    Exceptions
    46
    
    Processor Status
    46
3 Vector Unit Instructions

47
4 RSP Coprocessor 0

81
- Register Descriptions
  82
  - RSP Point of View
    82
    
    Table 4-1 RSP Coprocessor 0 Registers
    82
    
    C2, $C3
    83
    
    Figure 4-1 DMA Transfer Length Encoding
    84
    
    Table 4-2 RSP Status Register
    85
    
    Table 4-3 RSP Status Write Bits
    86
    
    C10
    89
    
    C11
    90
    
    Table 4-4 RDP Status Register
    90
    
    Table 4-5 RSP Status Write Bits (CPU VIEW)
    91
    
    C12
    92
    
    C13
    92
    
    C14
    93
    
    C15
    93
  - CPU Point of View
    93
    
    Table 4-6 RSP Coprocessor 0 Registers (CPU VIEW)
    94
    
    Other RSP Addresses
    95
    
    Table 4-7 Other RSP Addresses (CPU VIEW)
    95
- Dma
  96
  - Alignment Restrictions
    96
  - Timing
    96
  - DMA Full
    96
  - DMA Wait
    96
  - DMA Addressing Bits
    97
  - CPU Semaphore
    97
  - DMA Examples
    97
  - Figure 4-2 DMA Read/Write Example
    98
  - Figure 4-3 DMA Wait Example
    99
- Controlling the RDP
  100
5 RSP Assembly Language

105
- Different from Other MIPS Assembly Languages
  106
  - Why
    106
  - Major Differences from the R4000 Instruction Set
    106
- Syntax
  107
  - Tokens
    107
  - Identifiers
    107
  - Constants
    107
  - Operators
    108
  - Comments
    108
  - Program Sections
    109
  - Labels
    109
  - Keywords
    109
  - Expressions
    110
    
    Expression Operators
    110
    
    Table 5-1 Expression Operators
    110
    
    Precedence
    111
    
    Expression Restrictions
    111
    
    Table 5-2 Expression Operator Precedence
    111
  - Registers
    112
  - Vector Register Element Syntax
    112
  - Program Statements
    113
- Assembly Directives
  114
  - Align
    114
  - Bound
    114
  - Byte
    115
  - Data
    115
  - Dmax
    115
  - End
    116
  - Ent
    116
  - Half
    116
  - Name
    116
  - Print
    117
  - Space
    117
  - Symbol
    117
  - Text
    117
  - Unname
    118
  - Word
    118
- BNF Specification of the RSP Assembly Language
  119
6 Advanced Information

125
- DMEM Organization and Usage
  126
  - Jump Tables
    126
  - Constants
    126
  - Labels in DMEM
    127
  - Dynamic Data
    127
  - Diagnostic Information
    127
- Performance Tips
  128
  - Dual Execution
    128
  - Vectorization
    128
    
    Software Pipelining
    130
    
    Loop Inversion
    131
    
    Loop Unrolling
    132
    
    Program Flow of Control
    132
  - Profiling RSP Code
    133
  - Figure 6-1 Real-Time Clock Watching on the RSP
    134
- Microcode Overlays
  135
  - Memory System Implications
    135
  - Entirely up to You
    135
  - RSP Assembler Tricks
    136
  - A Sample RSP Linker
    136
  - Overlay Example
    138
    
    Overlay Makefile
    138
    
    Overlay DMEM Initialization
    139
    
    Overlay Initialization Code
    140
    
    Overlay Decision Code
    141
    
    Overlay DMA Code
    141
- Controlling the RSP from the CPU
  142
  - Starting RSP Tasks
    142
    
    RSP Boot Microcode
    142
  - Hidden os Functions
    143
- Microcode Debugging Tips
  145
- RSP Yielding
  147
  - Requesting a Yield
    148
  - Checking for Yield
    148
  - Yielding
    148
  - Saving a Yielded Process
    149
  - Restarting a Yield Process
    149
- RSP Instruction Set Details
  151
  - Table A-1RSP Instruction Operation Notations
    152
    
    Instruction Notation Examples
    153

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