ZX Spectrum BASIC Programming By Steven Vickers Edited by Robin Bradbeer
First edition 1982 by Sinclair Research Limited Cover illustration by John Harris of Young Artists
CONTENTS Chapter1 Introduction A guide to the ZX Spectrum keyboard and a description of the display. Chapter 2 Basic programming concepts Programs, line numbers, editing programs using , and EDIT, RUN, LIST, GO TO, CONTINUE, INPUT, NEW, REM, PRINT, STOP in INPUT data, BREAK Chapter 3 Decisions IF, STOP, =, <, >, <=, >=, <> Chapter 4 Looping FOR, NEXT, TO, STEP. Introducing FOR-NEXT loops Chapter 5 Subroutines GO SUB, RETURN Chapter 6 READ, DATA, RESTORE Chapter 7 Expressions Mathematical expressions using +, -, *, /, scientific notation and variable names. Chapter 8 Strings Handling strings and slicing. Chapter 9 Functions User-definable functions and others readily available on the ZX Spectrum using DEF, LEN, STR$, VAL, SGN, ABS, INT, SQR, FN Chapter 10 Mathematical functions Including simple trigonometry: , PI, EXP, LN, SIN, COS, TAN, ASN, ACS, ATN Chapter 11 Random numbers Using RANDOMIZE and RND. Chapter 12 Arrays Strings and numeric arrays - DIM. Chapter 13 Conditions Logical expressions: AND, OR, NOT. Chapter 14 The character set A look at the ZX character set including graphics and how to construct your own graphic characters: CODE, CHR$, POKE, PEEK, USR, BIN Chapter 15 More about PRINT and INPUT Some more complicated uses of these commands using separators: ,;' , TAB, AT, LINE and CLS. Chapter 16 Colours INK, PAPER, FLASH, BRIGHT, INVERSE, OVER, BORDER Chapter 17 Graphics PLOT, DRAW, CIRCLE, POINT Chapter 18 Motion Animated graphics using PAUSE, INKEY$ and PEEK. Chapter 19 BEEP The sound capabilities of the ZX Spectrum using BEEP. Chapter 20 Tape Storage How to store your programs on cassette tape: SAVE, LOAD, VERIFY, MERGE. Chapter 21 The ZX Printer LLIST, LPRINT, COPY Chapter 22 Other equipment Connecting the ZX Spectrum to other machines and devices. Chapter 23 IN and OUT Input/Output ports and their uses: IN, OUT Chapter 24 The memory A look at the internal workings of the ZX Spectrum: CLEAR Chapter 25 The system variables Chapter 26 Using machine code Introducing USR with a numeric argument APPENDIX A The character set APPENDIX B Reports APPENDIX C A description of the ZX Spectrum for reference APPENDIX D Example programs APPENDIX E Binary and hexadecimal
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