Fujitsu F2MC-8FX manual Table B-1 Bus Operation List 6/11

Models: F2MC-8FX

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APPENDIX B Bus Operation List

Table B-1

Bus Operation List (6/11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CODE

MNEMONIC

~

 

Cycle

Address bus

Data bus

RD

WR

RMW

 

 

 

 

 

 

 

 

 

 

 

 

C7

MOVW A, @EP

3

 

1

N +2

The following

1

0

0

 

 

 

 

 

 

 

following instruction

 

 

 

 

 

 

 

 

2

(EP) address

Data(H byte)

1

0

0

 

 

 

 

 

3

(EP)+1 address

Data(L byte)

1

0

0

 

 

 

 

 

 

 

 

 

 

 

 

D7

MOVW @EP, A

3

 

1

N +2

The following

1

0

0

 

 

 

 

 

 

 

following instruction

 

 

 

 

 

 

 

 

2

(EP) address

Data(H byte)

0

1

0

 

 

 

 

 

3

(EP)+1 address

Data(L byte)

0

1

0

 

 

 

 

 

 

 

 

 

 

 

 

85

MOV dir, #d8

4

 

1

N +2

#d8

1

0

0

 

 

 

 

 

2

dir address

Data

0

1

0

 

 

 

 

 

3

N +3

The following

1

0

0

 

 

 

 

 

 

 

instruction

 

 

 

 

 

 

 

 

4

N +4

The following

1

0

0

 

 

 

 

 

 

 

following instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

95

CMP dir, #d8

4

 

1

N +2

#d8

1

0

0

 

 

 

 

 

2

dir address

Data

1

0

0

 

 

 

 

 

3

N +3

The following

1

0

0

 

 

 

 

 

 

 

instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

86

MOV @IX+off,

4

 

1

N +2

#d8

1

0

0

 

 

#d8

 

 

2

N +3

The following

1

0

0

 

 

 

 

 

 

 

 

 

 

 

 

instruction

 

 

 

 

 

 

 

 

3

(IX)+off address

Data

0

1

0

 

 

 

 

 

4

N +4

The following

1

0

0

 

 

 

 

 

 

 

following instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

96

CMP @IX+off, #d8

4

 

1

N +2

#d8

1

0

0

 

 

 

 

 

2

N +3

The following

1

0

0

 

 

 

 

 

 

 

instruction

 

 

 

 

 

 

 

 

3

(IX)+off address

Data

1

0

0

 

 

 

 

 

4

N +4

The following

1

0

0

 

 

 

 

 

 

 

following instruction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

245

Page 257
Image 257
Fujitsu F2MC-8FX manual Table B-1 Bus Operation List 6/11