MB95630H Series
610 FUJITSU SEMICONDUCTOR LIMITED MN702-00009-2v0-E
APPENDIX A Instruction Overview
APPENDIX A Instruction Overview
This section explains the instructions used in F
2
MC-8FX.
■ Instruction Overview of F
2
MC-8FX
In the F
2
MC-8FX, there are 140 kinds of one byte instructions (256 bytes on the map), and the
instruction code is composed of the instruction and the operand following it.
Figure A-1 shows the correspondence of the instruction code and the instruction map.
Figure A-1 Instruction Code and Instruction Map
• The instruction is classified into following four types; forwarding system, operation system,
branch system and others.
• There are various methods of addressing, and ten kinds of addressing can be selected by the
selection and the operand specification of the instruction.
• This provides with the bit operation instruction, and can execute the read-modify-write
(RMW) type of instruction.
• There is an instruction that directs special operation.
Higher 4 bits
Lower 4 bits
1 byte
[Instruction map]
InstructionInstruction code Operand Operand
0 to 2 bytes are given
depending on instructions.
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