Appendix A Instruction Overview - Fujitsu 8FX Hardware Manual

APPENDIX A Instruction Overview

APPENDIX A
This section explains the instructions used in F
■ Instruction Overview of F
In the F
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.
• 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.
610
Instruction Overview
2
MC-8FX
2
MC-8FX, there are 140 kinds of one byte instructions (256 bytes on the map), and the
Figure A-1 Instruction Code and Instruction Map
1 byte
Instruction code Instruction
Higher 4 bits
FUJITSU SEMICONDUCTOR LIMITED
MB95630H Series
2
MC-8FX.
0 to 2 bytes are given
depending on instructions.
Operand Operand
[Instruction map]
Code: CM26-00118-1EA
MN702-00009-2v0-E