CRACKING THE CODE ON THE
SINCLAIR ZX SPECTRUM

INDEX

Sinclair ZX Spectrum

	FRONT COVER						FRONT
	COPYRIGHT						3
	CONTENTS						4
	INTRODUCTION						5
	CHIPS, REGISTERS AND NUMBERS						7
	NUMBER CRUNCHING						29
	ROTATING AND SHIFTING						41
	MAKING COMPARISONS AND CHECKING BITS						51
	OPERATING LOGICALLY						59
	BLOCK MANIPULATION						64
	A SPECTRUM MONITOR						72
	PROGRAM PRODUCTION						84
	USING THE ROM ROUTINES						95
	SCREEN AND ATTRIBUTE HANDLING						121
	INTERRUPTS ON THE SPECTRUM						140
	MACHINE CODE MISCELLANY						156
	APPENDICES:					1 ZX INSTRUCTIONS LISTED BY MNEMONIC	207
						2 ZX INSTRUCTIONS LISTED BY OPCODE	224
						3 FLAG OPERATION TABLE	241
						4 SPECTRUM MONITOR - ASSEMBLER LISTING	243
	INDEX						265
	BACK COVER						BACK

Sinclair ZX Spectrum