Archimedes 400 Series BBC BASIC Guide

About the BBC BASIC Guide 	1
Command mode	3
Simple programming 	7
Variables and expressions 	19
Numeric variables	21
Bases	27
String variables	33
Arrays	41
Outputting text 	51
Inputting data	57
Control statements 	67
Procedures and functions 	83
Data and command files 	97
Screen modes	101
Simple graphics 	111
Complex graphics 	121
Graphic patterns 	131
Viewports	141
Sprites	145
Teletext mode	149
Sound	155
Accessing memory locations	161
Error handling and debugging	165
Keywords	171
Keywords: Numerical	173
Keywords: Trigonometric	185
Keywords: Logical	197
Keywords: Program construction 	203
Keywords: Program statements	221
Keywords: Variables	249
Keywords: Error handling	259
Keywords: Input/Output	267
Keywords: Character/String handling 	283
Keywords: Sound	293
Keywords: File commands	301
Keywords: Assembly language	313
Keywords: Structures	331
Keywords: Graphics	347
VDU commands	373
The BASIC screen editor	383
Appendix A - Minimum abbreviations 	401
Appendix B - Error messages	407
Appendix C - lnkey values	411
Appendix D- Plot codes	415
Appendix E - VDU commands	417
Appendix F - Operating system commands 	421
Appendix G - *FX commands	423
Appendix H - BBC BASIC\'s history	427
Index	435