Table Of Contents - NEC 78K/0 Series User Manual

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
TM
1.9 IEBus 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
CONTENTS
User's Manual U12326EJ4V0UM
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