Epson S1C63000 manuales

Epson S1C63000 Manual de usuario (152 paginas)

Marca: Epson | Categoria: Ordenadores | Tamaño: 0.86 MB |

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S1C63000

1

S1C63000 CORE CPU MANUAL

5

CONTENTS

6

1OUTLINE

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1.3 Block Diagram

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1.4 Input-Output Signals

8

CHAPTER 1: OUTLINE

9

2ARCHITECTURE

10

2.1.3 Flags

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• C (carry) flag

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• I flag

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• E (extension mode) flag

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• Flag operations

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CHAPTER 2: ARCHITECTURE

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(2) Extension with E flag

15

EXT register

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2.2 Program Memory

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2.2.3 Branch instructions

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EPSON 13

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EPSON 15

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2.3 Data Memory

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2.3.3 Stack and stack pointer

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(2) Stack pointer SP2

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2.3.4 Memory mapped I/O

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3 CPU OPERATION

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3.3.1 Data bus status

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3.3.2 High-impedance control

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3.3.3 Interrupt vector read

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3.3.4 Memory write

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3.4 Initial Reset

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3.5 Interrupts

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3.5.2 Interrupt sequence

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• Software interrupts

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3.6 Standby Status

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4INSTRUCTION SET

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• 6-bit absolute addressing

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EPSON 35

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4.2 Instruction List

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4.2.2 Symbol meanings

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Operations and others

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EPSON 41

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EPSON 43

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ALU logic operation (1/2)

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Stack operation

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EPSON 51

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↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔

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EPSON 53

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EPSON 55

61

EPSON 57

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4.3 Instruction Formats

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ADC %r,%r'

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EPSON 63

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ADC [%ir],imm4

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ADC [%ir]+,imm4

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EPSON 65

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ADC %B,[%ir]+,n4

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ADC [%ir]+,%B,n4

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ADC [%ir]+,0,n4

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EPSON 69

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EPSON 71

77

ADD [%ir]+,imm4

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EPSON 73

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AND %r,[%ir]

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AND [%ir]+,imm4

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BIT %r,[%ir]

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BIT [%ir],imm4

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BIT [%ir]+,imm4

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EPSON 83

89

CMP %r,%r’

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CMP %r,[%ir]

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CMP %r,[%ir]+

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CMP [%ir],%r

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CMP [%ir],imm4

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CMP [%ir]+,imm4

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CMP %ir,imm8

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DEC [addr6]

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EPSON 89

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DEC %sp

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EPSON 91

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Set CPU to HALT mode 2 cycles

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EPSON 93

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INC %sp

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EPSON 95

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CHAPTER 4: INSTRUCTION SET

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Mnemonic MSB LSB

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EPSON 97

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EPSON 99

105

EPSON 101

107

LD [%ir]+,imm4

109

LD [%ir],[%ir’]+

110

LD [%ir]+,[%ir’]+

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EPSON 107

113

LDB [%X]+,imm8

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EPSON 109

115

NOP No operation 1 cycle

117

OR %r,%r’

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OR %r,imm4

118

EPSON 113

119

EPSON 115

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OR [%ir]+,imm4

122

POP %ir

123

EPSON 119

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Return and skip 2 cycles

126

C 3210 r

126

C 3210 [ir]

127

RR [%ir]

128

EPSON 123

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SBC %r,[%ir]+

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SBC [%ir]+,%r

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SBC [%ir]+,imm4

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SBC %B,[%ir]+,n4

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SBC [%ir]+,%B,n4

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SBC [%ir]+,0,n4

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EPSON 131

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SLL [%ir]

138

EPSON 133

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EPSON 135

141

SUB %r,[%ir]

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SUB [%ir],%r

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SUB [%ir]+,imm4

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TST [addr6],imm2

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EPSON 141

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XOR [%ir]+,imm4

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