Chapter 1 - Introduction

• Figure 1-1 - A Simplified Diagram of ProDOS … 2
• Figure 1-2 - A Typical ProDOS Directory Structure … 4
• Figure 1-3 - The Levels of ProDOS … 8

Chapter 2 - File Use

• Figure 2-1 - A Typical ProDOS Directory Structure … 12
• Figure 2-2 - Automatic Movement of EOF and MARK … 15
• Figure 2-3 - Directory File Structure … 18
• Figure 2-4 - Block Organization of a Directory File … 19
• Figure 2-5 - Block Organization of a Standard File … 19

Chapter 3 - Memory Use

• Figure 3-1 - Memory Map … 24

Chapter 5 - Writing a ProDOS System Program

• Figure 5-1 - Memory Map … 83
• Figure 5-2 - Memory Representation in the System Bit Map … 84
• Figure 5-3 - Page Number to Bit-Map Bit Conversion … 85

Chapter 6 - Adding Routines to ProDOS

• Figure 6-1 - ProDOS Date and Time Locations … 104

Appendix A - The ProDOS BASIC System Program

• Figure A-1 - Memory Map … 119
• Table A-1 - HIMEM and Program Workspace … 120
• Figure A-2 - The Movement of HIMEM … 121
• Figure A-3 - Zero Page Memory Map … 142

Appendix B - File Organization

• Figure B-1 - Blocks on a Volume … 147
• Figure B-2 - Directory File Format … 148
• Figure B-3 - The Volume Directory Header … 149
• Figure B-4 - The Subdirectory Header … 152
• Figure B-5 - The File Entry … 155
• Figure B-6 - Structure of a Seedling File … 162
• Figure B-7 - Structure of a Sapling File … 162
• Figure B-8 - Structure of a Tree File … 163
• Figure B-9 - A Sparse File … 165
• Figure B-10 - Disk Organization … 168
• Figure B-11 - Standard Files … 169
• Figure B-12 - Header and Entry Fields … 170
• Figure B-13 - Date and Time Format … 171
• Figure B-14 - The access Attribute Field … 172
• Table B-1 - The ProDOS File_Types … 173
• Figure B-15 - Tracks and Sectors to Blocks … 174