Bronze Edition Guide - True BASIC

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BRONZE Edition Reference Manual John G. Kemeny Thomas E. Kurtz Edited by John Arscott & Anne Taggart Bronze Edition Guide for the True BASIC Language System Copyright © 2002-2010 by True BASIC Incorporated ISBN: 0-939553-39-2 All rights reserved. No part of this manual may be reproduced by any means, electronic, mechanical, or photocopying, without the prior written permission of True BASIC, Inc. Address any request for reprinting portions of any material contained in this documentation, listing the purpose of the reprint or citation, and the expected edition size of the publication to True BASIC as the address listed below. Trademarks and their owners: True BASIC: True BASIC, Inc.; IBM: International Business Machines; Apple Macintosh, MacOS: Apple Computer; MS-DOS, Windows, Windows95, Windows98, Windows Vista, Windows 7: Microsoft. Published by: True BASIC PO Box 204 Gaysville, VT 05746-0204 USA MANUAL NUMBER: 7222/M 1-888 282-9873 Sales Department 1-888 282-9873 Fax (24-hour availability) support@truebasic.com Customer Support http://www.truebasic.com Website Printed in the United States of America. 01/2002
3 Contents 1. An Introduction to Programming .................................................................. 9 2. Why True BASIC? .............................................................................................. 11 3. Installing True BASIC and Running Demo Programs . ............................ 13 Installing the BRONZE Edition on Windows . ................................................ 13 Using True BASIC BRONZE 6.0 Editor. ......................................................... 15 The Editor Menus . .............................................................................................xiv Help for True BASIC ...........................................................................................xx Running a Demonstration Program ................................................................. xxi 4. Writing and Running Your First Program.................................................... 23 Creating a Program............................................................................................. 23 The LET Statement ........................................................................................... 25 The PRINT Statement........................................................................................ 26 The END Statement........................................................................................... 26 How True BASIC Runs a Program .................................................................. 26 Saving Your Program ....................................................................................... 26 5. Modifying and Saving Programs..................................................................... 27 Using Source and Output Windows.................................................................. 27 Making Simple Changes ................................................................................... 28 Adding Comments to Your Program................................................................. 28 Saving Your Changes ........................................................................................ 29 The INPUT Statement ...................................................................................... 29 Saving Your Program With A Different Name ................................................ 29 Opening or Quitting without Saving ................................................................ 31 6. Constants, Variables, and Expressions.......................................................... 33 Constants ........................................................................................................... 33 Variables ............................................................................................................ 34 Expressions and Formulas................................................................................. 35 Changing Values of Variables............................................................................ 37 An Introduction to Strings ................................................................................ 38 Using String Constants and Variables.............................................................. 39 A Brief Look at String Expressions .................................................................. 40
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Page 8 and 9: 9 CHAPTER An Introduction to Progra
Page 10 and 11: 11 CHAPTER Why True BASIC? 2 True B
Page 12 and 13: 13 Installing True BASIC and Using
Page 14 and 15: Using the True BASIC 6.0 Editor Eve
Page 16 and 17: iii Short cuts The default setting
Page 18 and 19: UNDO and REDO UNDO can be applied t
Page 20 and 21: v TOOLBAR In this version of the ed
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Page 24 and 25: ix EXIT THE EDITOR If you wish to e
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Page 30 and 31: Note: if you are running a program,
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Page 34 and 35: a list. You may select any of the l
Page 36 and 37: • CONFIRM QUIT - is a toggle acti
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Page 40 and 41: xxiii examples that can be copied d
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6. Constants, Variables, and Expres
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41 CHAPTER More on Input and Output
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7. More on Input and Output 43 Can
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7. More on Input and Output 45 Here
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47 CHAPTER Loop Structures 8 So far
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8. Loop Structures 49 .5 .70710678
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8. Loop Structures 51 This program
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8. Loop Structures 53 Notice that y
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8. Loop Structures 55 Change the in
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57 CHAPTER Decision Structures 9 So
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9. Decision Structures 59 Even thou
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9. Decision Structures 61 The RANDO
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9. Decision Structures 63 Other Dec
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65 CHAPTER Formatting and Printing
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10. Formatting and Printing Your Pr
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10. Formatting and Printing Your Pr
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71 CHAPTER Editing Hints and Shortc
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11. Editing Hints and Shortcuts 73
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11. Editing Hints and Shortcuts 75
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77 CHAPTER Using and Storing Data 1
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12. Using and Storing Data 79 times
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12. Using and Storing Data 81 Reusi
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12. Using and Storing Data 83 compu
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12. Using and Storing Data 85 —
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12. Using and Storing Data 87 IF re
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12. Using and Storing Data 89 The L
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12. Using and Storing Data 91 More
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93 CHAPTER Arrays and Matrices 13 P
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13. Arrays and Matrices 95 item$ ha
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13. Arrays and Matrices 97 The DIM
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13. Arrays and Matrices 99 The MAT
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13. Arrays and Matrices 101 Advance
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103 CHAPTER Functions and Subroutin
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14. Functions and Subroutines 105 C
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14. Functions and Subroutines 107 I
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14. Functions and Subroutines 109 I
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14. Functions and Subroutines 111 E
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113 CHAPTER Libraries 15 Subroutine
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15. Libraries 115 DECLARE DEF state
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117 CHAPTER Graphics 16 Using True
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16. Graphics 119 Figure 16.2 - Hori
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16. Graphics 121 You can draw circl
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16. Graphics 123 The table shows th
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16. Graphics 125 LET x = 0 FOR move
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16. Graphics 127 The SHEAR transfor
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16. Graphics 129 LIBRARY “GraphLi
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16. Graphics 131 Programming for Wi
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16. Graphics 133 as push buttons, e
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135 CHAPTER Sound and Music 17 You
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17. Sound and Music 137 F4 F4 G4 E4
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139 CHAPTER Correcting Errors and D
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18. Correcting Errors and Debugging
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18. Correcting Errors and Debugging
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145 ASCII Character Set APPENDIX A
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147 True BASIC Statements APPENDIX
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B. True BASIC Statements 149 The fo
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B. True BASIC Statements 151 Except
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B. True BASIC Statements 153 CALL S
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B. True BASIC Statements 155 on the
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B. True BASIC Statements 157 FOR Lo
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B. True BASIC Statements 159 all va
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B. True BASIC Statements 161 PLAY S
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B. True BASIC Statements 163 PROGRA
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B. True BASIC Statements 165 SET CO
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167 Built-in Functions APPENDIX C T
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C. Built-in Functions 169 String Tr
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C. Built-in Functions 171 ANS (defa
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C. Built-in Functions 173 string fo
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C. Built-in Functions 175 IP Functi
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C. Built-in Functions 177 MOD Funct
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C. Built-in Functions 179 POSR Func
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C. Built-in Functions 181 SIZE Func
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C. Built-in Functions 183 UCASE$ Fu
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185 Explanations of Error Messages
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D. Explanations of Error Messages 1
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211 Making Your Own DO Programs APP
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213 Several DO programs are already
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215 APPENDIX PRINT USING Statement
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H. PRINT USING Statement 217 Notice
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H. PRINT USING Statement 219 Floati
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H. PRINT USING Statement 221 s$ PRI
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223 TRUE BASIC File Types APPENDIX
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I. True BASIC File Types 225 Likewi
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I. True BASIC File Types 227 or tra
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I. True BASIC File Types 229 CASE
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I. True BASIC File Types 231 Each R
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I. True BASIC File Types 233 READ #
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I. True BASIC File Types 235 actual
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I. True BASIC File Types 237 As an
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239 BASIC to True BASIC Converter A
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J. Basic to True BASIC Converter 24
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250 BRONZE Edition Guide CALL state
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252 BRONZE Edition Guide user-defin
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254 BRONZE Edition Guide Output Win
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256 BRONZE Edition Guide selecting,
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Bronze Edition Guide - True BASIC

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