Fujitsu CM71-00101-5E User Manual

265

APPENDIX A  Instruction Lists

The full instruction set of the FR family CPU is 165 instructions, consisting of the following 
sixteen types. These instructions are listed in Table A.2-1 through Table A.2-16.
• Add/Subtract Instructions (10 Instructions)
• Compare Instructions (3 Instructions)
• Logical Calculation Instructions (12 Instructions)
• Bit Operation Instructions (8 Instructions)
• Multiply/Divide Instructions (10 Instructions)
• Shift Instructions (9 Instructions)
• Immediate Data Transfer Instructions (3 Instructions)
• Memory Load Instructions (13 Instructions)
• Memory Store Instructions (13 Instructions)
• Inter-register Transfer Instructions / Dedicated Register Transfer Instructions 

■

Mnemonic

Format

OP

CYC

FLAG

NZVC

Operation

Remarks

ADD      Rj, Ri
ADD      #i4, Ri
ADD2    #i4, Ri

A

C
C

A6
A4
A5

1
1
1

CCCC
CCCC
CCCC

Ri + Rj 

→ Ri

Ri + extu(i4) 

→ Ri

Ri + extn(i4) 

→ Ri

Zero extension
Minus extension

ADDC   Rj, Ri

A

A7

1

CCCC

Ri + Rj + c 

→ Ri

Add with carry

ADDN   Rj, Ri
ADDN   #i4, Ri
ADDN2 #i4, Ri

A

C
C

A2
A0
A1

1
1
1

– – – –
– – – –
– – – –

Ri + Rj 

→  Ri

Ri + extu(i4) 

→ Ri

Ri + extn(i4) 

→ Ri

Zero extension
Minus extension

SUB      Rj, Ri

A

AC

1

CCCC

Ri – Rj 

→ Ri

SUBC   Rj, Ri

A

AD

1

CCCC

Ri – Rj – c 

→ Ri

Subtract with carry

SUBN   Rj, Ri

A

AE

1

– – – –

Ri – Rj 

→ Ri