NEC 78K/0 Series manuali

Nec 78K/0 Series Manuale Utente (129 pagine)

Marchio: Nec | Categoria: no | Dimensione: 0.63 MB |

Inglese

Indice

78K/0 Series

1

NOTES FOR CMOS DEVICES

3

M8E 00. 4

4

Regional Information

5

Page Description

6

INTRODUCTION

7

LIST OF FIGURES

11

LIST OF TABLES

11

1.8 External Memory Space

13

1.9 IEBus

13

Register Area

13

CHAPTER 2 REGISTERS

14

2.1 Control Registers

14

(a) Absolute names

18

(b) Functional names

18

CHAPTER 3 ADDRESSING

20

0101000050H (immediate data)

27

Identifier Description

29

[DE], [HL]

29

Instruction code 10000101

29

Instruction code 10110101

31

CHAPTER 4 INSTRUCTION SET

32

4.1 Operation

32

CHAPTER 4 INSTRUCTION SET

33

4.2 Instruction Codes

38

A,sfr 1001 0011 Sfr-offset

39

2. Except r = A

40

Note Except r = A

41

DESCRIPTION EXAMPLE

47

MOV r, #byte MOV A, PSW

47

MOV ... 49

48

XCH ... 50

48

MOVW ... 52

51

XCHW ... 53

51

Mnemonic Operand(dst,src)

53

ADDW ... 64

63

SUBW ... 65

63

CMPW ... 66

63

ADDW AX, #word

64

SUBW AX, #word

65

CMPW AX, #word

66

MULU ... 68

67

DIVUW ... 69

67

Mnemonic Operand(src)

68

Mnemonic Operand(dst)

69

INC ... 71

70

DEC ... 72

70

INCW ... 73

70

DECW ... 74

70

INCW rp

73

Mnemonic Operand (dst)

74

5.7 Rotate Instructions

75

Mnemonic Operand(dst,cnt)

76

ROR A, 1

76

ROL A, 1

77

RORC A, 1

78

ROLC A, 1

79

5.8 BCD Adjust Instructions

82

Mnemonic Operand(target)

94

CALL !addr16

94

CALLF !addr11

95

H ← (00000000, addr5+1)

96

L ← (00000000, addr5)

96

H ← (3FH)

97

L ← (3EH)

97

L ← (SP)

100

H ← (SP+1)

100

PUSH ... 102

101

POP ... 103

101

MOVW SP, src ... 104

101

MOVW AX, SP ... 104

101

H, (SP–1) ← src

102

L,SP← SP–1

102

L ← (SP), dst ← (SP)

103

H ← (SP+1), SP ← SP+1

103

MOVW SP, src Move Word

104

BR ... 106

105

Mnemonic Operand($addr16)

108

BC $addr16

108

BNC $addr16

109

BZ $addr16

110

BNZ $addr16

111

Mnemonic Operand(RBn)

117

Facsimile

129

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