68000 Microcomputer Organization and Programming Book

	Preface
1	Number Systems and Symbol Representation in Computers	1
1.1	Number systems	1
1.2	Conversion between number systems	2
1.3	Symbol representation in a computer	5
2	Elementary Computer Arithmetic and Logic	11
2.1	Unsigned integer arithmetic	11
2.2	Two's complement arithmetic	13
2.3	Logical operations	14
3	Computer System Model	18
3.1	Memory model	19
3.2	The instruction cycle	20
3.3	Concepts of computer instructions	22
4	Instruction Set Model	26
4.1	The data register model	27
4.2	Program flow control	32
4.3	Arithmetic and condition codes	35
4.4	Shift instructions	41
4.5	Indirect addressing	43
4.6	Subroutines	49
4.7	Instruction format and coding	52
5	Assembly Language Programming	58
5.1	Translating high-level language constructs	59
5.2	Program design and structure	71
5.3	A large program design example	73
5.4	Testing and debugging	83
6	Input and Output Control	87
6.1	Input and output model	87
6.2	Stacks and subroutines	92
6.3	Instruction execution rate	99
6.4	Interrupts	101
6.5	Additional useful instructions	108
7	Programmable Input/Output Interfaces	112
7.1	Parallel input and output	113
7.2	Serial input and output	125
7.3	Vectored interrupts	132
8	Real-Time Applications	137
8.1	Supervisor and user mode	137
8.2	Exceptions	142
8.3	Time-sharing operating systems	144
8.4	Real-time control	148
	A Solutions to Exercises	156
	B 68000 Instruction Set	175
	C ASCII Table	200
	Index	201