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CP/M-86
System reference manual
NEC CP/M-86 System Reference Manual
Advanced personal computer
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Contents
Table of Contents
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Table of Contents
Table of Contents
Preface
Chapter 1 CP/M-86 System Overview
Cp/M-86 General Characteristics
Cp/M-80 and Cp/M-86 Differences
Relocatable Groups
Memory Models
Chapter 7 Disk Definition Tables
Disk Definition Tables
Bootstrap Operation
BDOS Calls
Addressing
Program Termination
Chapter 2 Command Setup and Execution under CP
Ccp Built-In and Transient Commands
Transient Program Execution Models
CP/M-86 Memory Models
The 8080 Memory Model
The Small Memory Model
CP/M-86 Small Memory Model
The Compact Memory Model
CP/M-86 Compact Memory Model
Base Page Initialization
CP/M-86 Base
Transient Program Load
Transient Program Exit
Chapter 3 Command (CMD) File Generation
Intel 8086 Hex File Format
Intel Hex Field Definitions
Operation of Gencmd
Command File Format
CMD File Header Format
Group Descriptors
Chapter 4 Basic Disk Operating System (BDOS) Functions
Bdos Parameters
BDOS Parameter Summary
Bdos Function Codes
Simple BDOS Calls
Line Editing Controls
BDOS File Operations
Function 33 (Read Random) Error Codes
Function 34 (Write Random) Error Codes
BDOS Memory Management and Program Functions
Example Memory Allocation
Example Memory Region
Example Memory Regions
Chapter 5 Basic 1/0 System (BIOS) Organization
APC CBIOS Function Calls
Organization of the Bios
General CP/M-86 Organization
BIOS Jump Vector
The Bios Jump Vector
Bios Subroutines
Standard Bios Subroutine Entry Points
System Initialization Subroutines
Simple Character 1/0 Subroutines
Disk 1/0 Subroutines
Other Functions
Chapter 6 Advanced BIOS Functions
Crt Escape Sequence Functions
Format and Definitions
Escape Code Sequence Example
APC Escape Code Sequences
Ascii Control Codes
Extended Function Calls
Get Time and Date
Extended Function Calls
Set Time and Date
Play Music
Melody Data Control Commands
Note Values
Duration Values
Sound Beep
Short Sound Control Commands
Report Cursor Position
Auto Power off
Initialize Keyboard FIFO Buffer
Direct CRT 1/0
Display Request Block
Direct CRT 1/0 Function Calls
Roll up Screen
Write CMOS
Read CMOS
Initialize RS 232C
Disk Parameter Header Elements
Disk Parameter Block Fields
BSH and BLM Values for Selected BLS
Maximum EXM Values
BLS and Number of Directory Entries
Physical and Logical Structures for Floppy Diskettes
Physical and Logical Addressing for Floppy Diskettes
Chapter 8 CP /M-86 Bootstrap and Adaptation Procedures
The Cold Start Load Operation
LOADER Organization
Organization of Cpm.sys
CPM.SYS File Organization
Chapter 9 GSX-86:Graphics for the APC
What Is Gsx-86
GSX-86 and Application Programs
GSX-86 and Graphics Products
Using Gsx-86
Setting up GSX-86
Updating the Assignment Table
Device Drivers
Device Drivers Supplied with GSX-86
Invoking GSX-86
Warm Starts and Cold Starts
Overview of Graphics System Extension Structure
GSX-86 Architecture
Memory Management
The Graphics Device Operating System (Gdos)
Virtual Device Interface (VDI)
Normalized Device Coordinates
GDOS Opcodes
The Graphics Input/Output System (Gios)
Creating a GIOS File
Sample Data in Auxiliary CG RAM
Memory Map
ASCII Special Characters
APC Special Characters
Quick Reference Guide for ASCII Special
Error Map
Error Map and Track Reallocation
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CP/M-86 System Reference Guide
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819-000102-2001 REV. 01
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