User`s guide

Table of Contents
1 Introduction to CP/M 3
1.1 Banked and Nonbanked Memory Organization 1-2
1.2 System Components 1-5
1.3 System Component Interaction and Communication 1-7
1.3.1 The BDOS and BIOS 1-7
1.3.2 Applications and the BDOS 1-8
1.3.3 Applications and RSXs 1-9
1.4 Me'mory Region Boundaries 1-9
1.5 Disk and Drive Organization and Requirements 1-11
1.6 System Operation 1-13
1.6.1 Cold Start Operation 1-14
1.6.2 CCP Operation 1-16
1.6.3 Transient Program Operation 1-22
1.6.4 Resident System Extension Operation 1-23
1.6.5 SUBMIT Operation 1-26
1.7 System Control Block 1-27
2 The BDOS System Interface
2.1 BDOS Calling Conventions 2-1
2.2 BDOS Serial Device I/O 2-2
2.2.1 BDOS Console I/O 2-3
2.2.2 Other Serial I/O 2-6
2.3 BDOS File System 2-7
2.3.1 File Naming Conventions 2-9
2.3.2 Disk and File Organization 2-11
2.3.3 File Control Block Definition 2-13
2.3.4 File Attributes 2-16
2.3.5 User Number Conventions 2-18
2.3.6 Directory Labels and XFCBs 2-19
2.3.7 File Passwords 2-21
2.3.8 File Date and Time Stamps 2-23
2.3.9 Record Blocking and Deblocking 2-25
2.3.10 Multi-Sector I/O 2-26
2.3.11 Disk Reset and Removable Media 2-27
2.3.12 File Byte Counts 2-28
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