Commodore 128 data file programming

Description

Program List v Preface vi Introduction vii 1 An Introduction to Commodore 128 File Types 1 Types of Files-Questions 2 BASIC Program Files 5 BASIC File Commands-Formatting and Initialization-The "Hello" Program-Questions 3 Data Files 15 Sequential and Relative Data Files-Sequential-Access Example-Questions 4 Creating Sequential Files 26 The Mailing List System-The Keyboard Input Routine-The Correction Routine-The File-Creation Routine- The Subroutines-Debugging the Program-Program Results-Questions 5 Appending Sequential Files 44 Mai I.Adder1-Mai I.Adder2-Questions 6 Displaying Sequential Files 64 Mail.Reader2-Questions 7 Correcting Sequential Files 97 The Correction Routine-The Deletion Routine-The Write Revised File Routine-Questions 8 Additional Sequential File Techniques 130 The Math System File Output Routine-The Math Scores File Input Routine-New Commands and Terms- Questions 9 Relative Files 159 Relative-Access Fi les-The Medical Records System-Questions 10 Advanced Relative-Access File Manipulation 186 Creating the Home Inventory File-Displaying the Home Inventory Information-Searching and Sorting the File-Correcting the Home Inventory Information-Questions 11 Planning a File System 241 The Stock Market System-Questions 12 Advanced Database Options 279 Indexing-File Utility Programs-Additional Display Programs Appendix: Answers to Chapter Questions 282 Index 286