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RCA Spectra 70 Training Manual

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Reference manual (260 pages)

Table Of Contents

Table of Contents

Table of Contents
General Description
High-Speed Memory
Introduction
HSM Addressing
Hexadecimal Numbering System
Exercise
Data and Instruction Format
Data Formats
Unpacked Format
Edited Format
Machine Instruction Format
Exercise
Interrupt
Introduction
Programming States
Processing State
Interrupt State
Types of Interrupt
I/O Interrupt
Operation Code Trap
Arithmetic Overflow and Divide Exception
Elapsed Timer Interrupt
Inhibiting Interrupt
Exercise
Summary of Interrupt Logic
Elapsed Time Clock
Introduction to the RCA 70/25 Assembly Language
Format Requirements
Addressing
Self-Defining Values
Expressions
Implied Lengths
Assembler Controlling Codes
Define Storage (DS)
Origin Code (ORG)
Constant Definition (DC)
Program Linking Codes (ENTRY and EXTRH)
Run and Segment Controlling Codes (START, END, CSECT)
Equate Code (EQU)
Base Register Controlling Codes (USING, DROP)
Extended Mnemonic Instructions
Exercise
Instruction Complement
Data Movement Instructions
Move Character (MVC)
Exercises
Packing and Unpacking Data (PACK and UNPK)
Exercises
Decimal Arithmetic Instructions
Decimal Add (AP) and Subtract (SP)
Decimal Multiply (MP)
Decimal Divide (DP)
Exercises
Data Editing Instruction (ED)
Examples
Exercises
Comparison and Branching Instructions
Compare Logical (C LC)
Compare Decimal (CP)
Branch on Condition (BC)
Branch and Link (BAL)
Branch on Count (BCT)
Set P2 Register (STP2)
Exercises
Load and Store Instructions
Load Multiple (LM)
Store Multiple (STM)
Binary Arithmetic Instructions
Binary Add (AB) and Subtract (SB)
Exercise
Logical Instructions
Logical and (NC)
Logical or (OC)
Exclusive or (XC)
Use of Logicals
Test under Mask Instruction (TM)
Data Translation, Translate (TR)
Inputloutput
Introduction
Read Instructions (RDF) and (RDR)
Writing Data (WR) and (WRE)
Controlling Peripheral Devices
Error Recognition
Logic
Standard Device Byte
Sensing Exceptional Conditions
Peripheral Unit Sense Bytes
Summary of 1/0 Logic
Example of 110 Coding
Exercise

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