Xerox Sigma 6 Manuals

Manuals and User Guides for Xerox Sigma 6. We have 1 Xerox Sigma 6 manual available for free PDF download: Reference Manual

Xerox Sigma 6 Reference Manual

Xerox Sigma 6 Reference Manual (149 pages)

Brand: Xerox | Category: Desktop | Size: 12 MB

Table of Contents

Table of Contents
5
Sigma 6 System
9
- Introduction
  9
- General Characteristics
  9
- Basic SIGMA 6 Instruction Execution Cycle
  9
- A Typical SIGMA 6 System
  10
- Standard and Optional Features
  12
- Real-Time Features
  12
- General-Purpose Features
  13
- Time-Sharing Features
  14
- Multiuse Features
  14
Sigma 6 System Organization
16
- Information Format
  16
- Core Memory
  16
  - Dedicated Memory Locations
    16
  - Information Boundaries
    16
- Computer Modes
  17
  - Master Mode
    17
  - Slave Mode
    17
- CPU Fast Memory
  17
Information Boundaries
17
- Central Processing Unit
  18
SIGMA 6 Central Processing Unit
18
- General Registers and Register Block Pointer
  19
- Memory Control Storage
  19
- Memory Map and Access Protection
  19
- Instruction Format
  19
  - Immediate Operand
    20
  - Memory Reference Addresses
    20
- Memory Address Control
  22
  - Memory Map and Access Protection
    22
Index Displacement Alignment
22
- Memory Write Locks
  23
Generati on of Actua I Memory Addresses
24
- Program Status Doubleword
  25
- Interrupt System
  26
  - Internal Interrupts
    26
SIGMA 6 Interrupt Locations
27
- External Interrupts
  28
- States of an Interrupt Level
  28
- Control of the Interrupt System
  29
- Time of Interrupt Occurrences
  29
- Single-Instruction Interrupts
  30
- Trap System
  30
  - Nonallowed Operation Trap
    30
Summary of SIGMA 6 Trap System
31
Instruction Repertoire
36
Glossary of Symbolic Terms
38
Load/Store Instructions
39
- Load/Store Instructions
  45
- Analyze/Interpret Instructions
  45
ANALYZE Table for SIGMA 6 Operation Codes
46
- Fixed-Point Arithmetic Instructions
  47
- Comparison Instructions
  52
- Logical Instructions
  54
- Cant Word, (R)
  54
- Word, (R) = ED
  54
- Obit 0 of Register R Is a 0 and Bit Positions
  54
- Shift Instructions
  55
  - Affected: (R), CC3, CC4
    55
  - Condition Code Settings
    55
  - Of Register R Contain at Least One
    55
  - Floating-Point Shift
    56
- Conversion Instructions
  57
- Floating-Point Arithmetic Instructions
  58
Floating-Point Number Representation
59
Decimal Instructions
62
- Packed Decimal Numbers
  63
- Zoned Decimal Numbers
  63
- Decimal Accumulator
  63
- Decimal Instruction Format
  63
- Illegal Digit and Sign Detection
  63
- Overflow Detection
  63
- Decimal Instruction Nomenclature
  64
- Condition Code Settings
  64
Byte-String Instructions
68
Push-Down Instructions
75
- Stack Pointer Doubleword
  76
- Push-Down Condition Code Settings
  76
Execute/Branch Instructions
80
Instructi Ons
80
Control Instructions
83
Input/Output Instructions
90
- I/O Address
  90
- I/O Unit Address Assignment
  90
- I/O Status Response
  90
- Status Information for SIO
  91
- Status Bits for I/O Instructions
  92
Input/Output Operations
97
Lop Command Doublewords
98
- Order
  98
- Memory Byte Address
  99
- Flags
  99
- Byte Count
  100
Operator Controls
101
Processor Control Panel
101
- Power
  101
- Cpu Reset/Clear
  101
- I/O Reset
  102
- Load
  102
- Unit Address
  102
- System Reset/Clear
  102
- Normal Mode
  102
- Run
  102
- Wait
  102
  - Interrupt
    102
  - Program Status Doubleword
    102
  - Insert
    102
  - Instr Addr
    103
  - Addr Stop
    103
Program Status Doubleword Display
103
- Select Address
  104
- Store
  104
- Display
  104
- Data
  104
- Compute
  104
- Control Mode
  105
- Memory Fault
  105
- Alarm
  105
- Audio
  105
- Watchdog Timer
  105
- Interleave Select
  105
- Parity Error Mode
  105
- Phases
  106
- Register Select
  106
- Sense
  106
- Clock Mode
  106
- Loading Operation
  106
  - Load Procedure
    106
  - Load Operation Details
    107
- Xdsstandardsymbolsandcodes
  108
- XDS Standard Character Sets
  108
- Control Codes
  108
- Special Code Properties
  108
- XDS Standard 8-Bit Computer Codes (EBCDIC)
  109
- XDS Standard 7-Bit Communication Codes (ANSCII)
  109
- XDS Standard Symbol-Code Correspondences
  110
- Hexadecimal Arithmetic
  114
  - Addition Table
    114
  - Multiplication Table
    114
  - Table of Powers of Sixteenl0
    115
- Hexadecimal-Decimal Integer Conversion
  116
  - Table
    116
  - Table
    122
- Hexadecimal-Decimal Fraction Conversion
  125
- Table of Powers of Two 118
  126
- Mathematical Constants 118
  126
- Reference Diagrams
  127
- Notes on Basic SIGMA 6 Instruction Execution
  127
- Floati Ng-Point Instruction Execution
  130
- Edit Byte String Instruction Execution
  133
Sigma 6 Instructions (Mnemonics)
134
- Instruction Timing
  136
  - Basic Instruction Timing
    137
  - Additional Instruction Timing
    141
Index
143

Advertisement

Advertisement

Related Products

Xerox Categories

Printer

All in One Printer

All in One Printer Copier Printer Accessories

Scanner

More Xerox Manuals