XDS Sigma 2 Manuals

Manuals and User Guides for XDS Sigma 2. We have 1 XDS Sigma 2 manual available for free PDF download: Reference Manual

XDS Sigma 2 Reference Manual

XDS Sigma 2 Reference Manual (63 pages)

Brand: XDS | Category: Desktop | Size: 6.26 MB

Table of Contents

Table of Contents

5
- 1 System Design Features
  
  7
  - General Characteristics
    8
  - Real-Time and Multiusage Features
    9
- 2 System Organization
  
  10
  - Information Format
    10
  - Core Memories
    10
  - Central Processing Unit
    11
    
    Register Block
    11
    
    Arithmetic and Control Unit
    11
    
    Instruction Format
    13
    
    Effective Address Computation
    13
    
    Instruction Timing
    14
  - Interrupt System
    14
    
    Internal Interrupt Levels
    14
    
    External Interrupt Levels
    16
    
    Interrupt Level States
    16
    
    Interrupt System Control
    17
    
    Interrupt Priority Sequence
    18
    
    Interrupt Routine Entry and Exit
    18
    
    Counter Interrupt Processing
    18
    
    CPU Interrupt Recognition
    19
  - Protection System
    19
- 3 Instruction Repertoire
  
  20
- 4 Input/Output Operations
  
  28
  - Byte-Oriented I/O System
    28
    
    Device Number
    28
    
    I/Ocontrol Doublewords
    28
    
    Operational Status Byte
    29
    
    Device Orders
    30
    
    Device Interrupts
    31
    
    Device Status Byte
    32
  - External Interface System
    33
  - Direct-To-Memory Interface
    34
- 5 Operator Controls
  
  35
  - Control Panel
    35
    
    Power
    35
    
    Phase
    35
    
    Protect Progr
    35
    
    Interrupt Inhibit
    35
    
    O'flow
    35
    
    Carry
    35
    
    Parity Error
    36
    
    Protect
    36
    
    Prog Add
    36
    
    Key-Operated Switch
    36
    
    Display
    36
    
    Data
    36
Appendix A. Reference Tables

39

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