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HP Manuals
Desktop
9835A
Programming manual
HP 9835A Programming Manual
35 series desktop computer assembly development rom
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Chapter 1: General Information
Structure of the Manual
Purpose of the Roms
ROM Installation
Buzzwords
Fundamental Syntax
Chapter 2: Getting Started
Developing Routines for Later Use
Overview
Program Creation
Program Entry
Other Extensions
Modules, Routines, and such
Names
Survey of Modules and Routines
Setting Aside Memory
Retrieving and Storing Modules
Chapter 3: The Processor and the Operating System
Machine Architecture
Registers
General Memory Organization
Protected Memory
Base and Current Page
Data Structures
Integers
Strings
Full-Precision Numbers
Short-Precision Numbers
Machine Instructions
Operands
Indirect Addressing
Load/Store Group
Load / Store Group
Integer Math Group
Branch Group
Test/Branch Group
Test/ Alter/Branch Group
Shift/Rotate Group
Logical Group
Stack Group
BCD Math Group
I/O Group
Miscellaneous
Assembly Language Fundamentals
Program Entry
Chapter 4: Assembly Language Fundamentals
Assembly Language Source
Actions
Labels
Comments
Syntaxing the Source
Syntaxing the Source
Creating Modules
Storage
Modules
Variables
Data Generators
Repeating Instructions
Assembling
Effect of BASIC Environments
Source Listing Control
Page Format
End-Of-Page Control
Page Length
Page Headings
Blank Line Generation
Non-Listable Pseudo-Instructions
Conditional Assembly
Relocation
Symbolic Operations
Pre-Defined Symbols
Defining Your Own
Literals
Evaluation of Literals
Nesting Literals
Literal Pools
Nonsensical Uses of Literals
Expressions
External Symbols and Elements
Other Absolute Elements
Utilities
Chapter 5 : Arithmetic
Arithmetic Machine Instructions
BCD Registers
BCD Arithmetic
Addition
Ten's Complement for BCD
Floating Point Summations
Normalization
Rounding
Floating Point Multiplication
Floating Point Division
The FDV Instruction
Thirteen-Digit Dividends
Floating-Point Division Example
Arithmetic Utilities
Utility: Rei-Math
Utility: Rei_Math
Utility: Rei_To
Utility: Int_ to
Utility: Sho
Chapter 6: Communication between BASIC and Assembly Language
The ICALL Statement
Corresponding Assembly Language Statements
Arguments
Blind" Parameters
Getting Information on Arguments
Utility: Get-Info
Utility: Get_Info
Retrieving the Value of an Argument
Utility: Get-Value
Utility: Get-Element
Utility: Get_Element
Utility: Get-Bytes
Utility: Get_Bytes
UTILITY: Get_ Elem _Bytes
Changing the Value of an Argument
Utility: Put-Value
Utility: Put-Element
Utility: Put_Element
Utility: Put-Bytes
Utility: Put_Bytes
Utility: Put_ Elem
Using Common
Busy Bits
Utility: Busy
Chapter 7: I/O Handling
Peripheral-Processor Communication
Interfaces
Registers
Select Codes
Status and Control Registers
Status and Flag Lines
Programmed I/O
Interrupt I/O
Priorities
Interrupt Service Routines and Linkage
Access
Utility: Isr-Access
State Preservation and Restoration
Indirect Addressing in Isrs
Direct Memory Access (DMA)
DMA Registers
DMA Transfers
BASIC Branching on Interrupts
ON INT Statement
Signalling
Additional Pre-Defined Symbols
Prioritizing on INT Branches
Environmental Considerations
Disabling on INT Branching
Mass Storage Activities
Reading from Mass Storage
Utility: MM
Utility: MM-Read-Start
Utility: MM-Read-Xfer
Writing to Mass Storage
Utility: MM _Write_Start
Utility: MM-Write-Start
System File Information
Utility: Get-File-Info
Utility: Put-File-Info
Utility: Put_File_Info
Printing
Utility: Printer_Select
Utility: Print_String
Chapter 8: Debugging
Stepping through Programs "",.,170
Individual Instruction Execution
Stepping through Programs
Setting Break Points ,174
Simple Pausing
Transfers
Environments
Data Locations
IBREAK Everywhere
Clearing Break Points
Number of Break Points
Protected Memory
Dumps
Value Checking
Functions
Decimal
Octal
Iadr
Imem
Patching
Chapter 9: Errors and Error Processing
Types of Errors
Syntax-Time and Assembly-Time Errors
Run-Time Errors
Utility: Error_Exit
Run-Time Messages
Assembly-Time Messages
Appendix A: ASCII Character Set
ASCII Character Codes
Appendix B: Machine Instructions
Detailed List
Bit Patterns and Timings
Alphabetic List
Approximate Numerical List
Appendix C: Pseudo-Instructions
Appendix D: Assembly Language BASIC Language Extensions Formal Syntax
Appendix D: Assembly Language BASIC Language Extensions Formal Syntax
Appendix E: Pre-Defined Assembler Symbols
Appendix F: Utilities
Appendix G: Writing Utilities
Appendix G: Writing Utilities
Appendix H: 110 Sample Programs
Appendix H: 110 Sample Programs
Appendix I: Demonstration Cartridge
Using the Tape
Typing Aids
Appendix J: Error Messages
Mass Storage ROM Errors
Plotter ROM Errors
Assembly Language ROM Errors
Assembly Time Errors
Appendix K: Maintenance
Maintenance Agreements
Subject Index
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