Commodore 128 data file programming

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