Computer Hardware User's Manual

9
User's Manual U12326EJ4V0UM
CONTENTS
CHAPTER 1 MEMORY SPACE ...............................................................................................................12
1.1 Memory Spaces ................................................................................................................12
1.2 Internal Program Memory (Internal ROM) Space ..........................................................12
1.3 Vector Table Area .............................................................................................................12
1.4 CALLT Instruction Table Area.........................................................................................12
1.5 CALLF Instruction Entry Area .........................................................................................12
1.6 Internal Data Memory (Internal RAM) Space ..................................................................12
1.7 Special Function Register (SFR) Area............................................................................13
1.8 External Memory Space ...................................................................................................13
1.9 IEBus
TM
Register Area ......................................................................................................13
CHAPTER 2 REGISTERS ........................................................................................................................14
2.1 Control Registers .............................................................................................................14
2.1.1 Program counter (PC) ......................................................................................................... 14
2.1.2 Program status word (PSW) ............................................................................................... 14
2.1.3 Stack pointer (SP) ................................................................................................................ 16
2.2 General-Purpose Registers .............................................................................................17
2.3 Special Function Registers (SFRs) .................................................................................19
CHAPTER 3 ADDRESSING .....................................................................................................................20
3.1 Instruction Address Addressing .....................................................................................20
3.1.1 Relative addressing ............................................................................................................. 20
3.1.2 Immediate addressing ......................................................................................................... 21
3.1.3 Table indirect addressing ................................................................................................... 22
3.1.4 Register addressing ............................................................................................................ 23
3.2 Operand Address Addressing ........................................................................................24
3.2.1 Implied addressing .............................................................................................................. 24
3.2.2 Register addressing ............................................................................................................ 25
3.2.3 Direct addressing ................................................................................................................ 26
3.2.4 Short direct addressing ...................................................................................................... 27
3.2.5 Special-function register (SFR) addressing ...................................................................... 28
3.2.6 Register indirect addressing .............................................................................................. 29
3.2.7 Based addressing ................................................................................................................ 30
3.2.8 Based indexed addressing ................................................................................................. 30
3.2.9 Stack addressing ................................................................................................................. 31
CHAPTER 4 INSTRUCTION SET ............................................................................................................32
4.1 Operation ..........................................................................................................................32
4.1.1 Operand identifiers and description methods .................................................................. 32
4.1.2 Description of “operation” column .................................................................................... 33
4.1.3 Description of “flag operation” column ............................................................................ 33
4.1.4 Description of number of clocks ........................................................................................ 34
4.1.5 Instructions listed by addressing type .............................................................................. 34
4.2 Instruction Codes .............................................................................................................38
4.2.1 Description of instruction code table ................................................................................ 38
4.2.2 Instruction code list............................................................................................................. 39