ZX 81 - BASIC Programming

INDEX
	Front Cover
	Chapter 1	Setting up the ZX81
	Chapter 2.1	Telling the computer what to do 1
	Chapter 2.2	Telling the computer what to do 2
	Chapter 3	A History lesson
	Chapter 4.1	The Sinclair ZX81 as a calculator
	Chapter 4.2	The Sinclair ZX81 as a calculator - Exercises
	Chapter 5.1	Functions
	Chapter 5.2	Functions - Exercises
	Chapter 6.1	Variables
	Chapter 6.2	Variables - Exercises
	Chapter 7.1	Strings
	Chapter 7.2	Strings - Exercises
	Chapter 8.1	Computer programming
	Chapter 8.2	Computer programming - Exercises
	Chapter 9.1	More computer programming
	Chapter 9.2	More computer programming - Exercises
	Chapter 10.1	If...
	Chapter 10.2	If... - Exercises
	Chapter 11.1	The character set
	Chapter 11.2	The character set - Exercises
	Chapter 12.1	Looping
	Chapter 12.2	Looping - Exercises
	Chapter 13	Slow & fast
	Chapter 14.1	Subroutines
	Chapter 14.2	Subroutines - Exercises
	Chapter 15.1	Making your programs work
	Chapter 15.2	Making your programs work - Exercises
	Chapter 16.1	Tape storage
	Chapter 16.2	Tape storage - Exercises
	Chapter 17.1	Printing with frills
	Chapter 17.2	Printing with frills - Exercises
	Chapter 18.1	Graphics
	Chapter 18.2	Graphics - Exercises
	Chapter 19.1	Time & motion
	Chapter 19.2	Time & motion - Exercises
	Chapter 20.1	The ZX Printer
	Chapter 20.2	The ZX Printer - Exercises
	Chapter 21.1	Substrings
	Chapter 21.2	Substrings - Exercises
	Chapter 22.1	Arrays
	Chapter 22.2	Arrays - Exercises
	Chapter 23	When a computer gets full
	Chapter 24.1	Counting on your fingers
	Chapter 24.2	Counting on your fingers - Exercises
	Chapter 25	How the computer works
	Chapter 26.1	Using machine code
	Chapter 26.2	Using machine code - Exercises
	Chapter 27	Organization of memory
	Chapter 28.1	The system variables
	Chapter 28.2	The system variables - Exercises
	Appendix A	The character set
	Appendix B	Report codes
	Appendix C.1	The ZX81 for those that understand BASIC 1
	Appendix C.2	The ZX81 for those that understand BASIC 2
	Appendix C.3	The ZX81 for those that understand BASIC 3