Epson S1C63000 manuali

Epson S1C63000 Manuale Utente (152 pagine)

Marchio: Epson | Categoria: Computer | Dimensione: 0.86 MB |

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S1C63000

1

S1C63000 CORE CPU MANUAL

5

CONTENTS

6

1OUTLINE

7

1.3 Block Diagram

8

1.4 Input-Output Signals

8

CHAPTER 1: OUTLINE

9

2ARCHITECTURE

10

2.1.3 Flags

11

• C (carry) flag

12

• I flag

12

• E (extension mode) flag

12

• Flag operations

12

CHAPTER 2: ARCHITECTURE

13

(2) Extension with E flag

15

EXT register

16

2.2 Program Memory

17

2.2.3 Branch instructions

18

EPSON 13

19

EPSON 15

21

2.3 Data Memory

23

2.3.3 Stack and stack pointer

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(2) Stack pointer SP2

26

2.3.4 Memory mapped I/O

27

3 CPU OPERATION

28

3.3.1 Data bus status

29

3.3.2 High-impedance control

29

3.3.3 Interrupt vector read

30

3.3.4 Memory write

30

3.4 Initial Reset

31

3.5 Interrupts

32

3.5.2 Interrupt sequence

33

• Software interrupts

36

3.6 Standby Status

37

4INSTRUCTION SET

39

• 6-bit absolute addressing

40

EPSON 35

41

4.2 Instruction List

43

4.2.2 Symbol meanings

44

Operations and others

45

EPSON 41

47

EPSON 43

49

ALU logic operation (1/2)

50

Stack operation

53

EPSON 51

57

↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔

58

EPSON 53

59

EPSON 55

61

EPSON 57

63

4.3 Instruction Formats

65

ADC %r,%r'

67

EPSON 63

69

ADC [%ir],imm4

70

ADC [%ir]+,imm4

70

EPSON 65

71

ADC %B,[%ir]+,n4

72

ADC [%ir]+,%B,n4

73

ADC [%ir]+,0,n4

74

EPSON 69

75

EPSON 71

77

ADD [%ir]+,imm4

78

EPSON 73

79

AND %r,[%ir]

81

AND [%ir]+,imm4

83

BIT %r,[%ir]

85

BIT [%ir],imm4

87

BIT [%ir]+,imm4

87

EPSON 83

89

CMP %r,%r’

90

CMP %r,[%ir]

91

CMP %r,[%ir]+

91

CMP [%ir],%r

92

CMP [%ir],imm4

93

CMP [%ir]+,imm4

93

CMP %ir,imm8

94

DEC [addr6]

94

EPSON 89

95

DEC %sp

96

EPSON 91

97

Set CPU to HALT mode 2 cycles

98

EPSON 93

99

INC %sp

100

EPSON 95

101

CHAPTER 4: INSTRUCTION SET

101

Mnemonic MSB LSB

101

EPSON 97

103

EPSON 99

105

EPSON 101

107

LD [%ir]+,imm4

109

LD [%ir],[%ir’]+

110

LD [%ir]+,[%ir’]+

111

EPSON 107

113

LDB [%X]+,imm8

114

EPSON 109

115

NOP No operation 1 cycle

117

OR %r,%r’

118

OR %r,imm4

118

EPSON 113

119

EPSON 115

121

OR [%ir]+,imm4

122

POP %ir

123

EPSON 119

125

Return and skip 2 cycles

126

C 3210 r

126

C 3210 [ir]

127

RR [%ir]

128

EPSON 123

129

SBC %r,[%ir]+

131

SBC [%ir]+,%r

132

SBC [%ir]+,imm4

133

SBC %B,[%ir]+,n4

134

SBC [%ir]+,%B,n4

135

SBC [%ir]+,0,n4

136

EPSON 131

137

SLL [%ir]

138

EPSON 133

139

EPSON 135

141

SUB %r,[%ir]

142

SUB [%ir],%r

143

SUB [%ir]+,imm4

144

TST [addr6],imm2

145

EPSON 141

147

XOR [%ir]+,imm4

149

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