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FR81 Family
434 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
APPENDIX
APPENDIX A Instruction Lists
A.2 Instruction Lists
This part indicates Instruction Lists of FR81 Family CPU.
There are a total of 231 instructions in FR81 Family CPU. These instructions are divided into the following
21 categories.
• Add/Subtract Instructions (10Instructions)
• Compare Calculation 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 (16 Instructions)
• Memory Store Instructions (16 Instructions)
• Inter-Register Transfer Instructions/Dedicated Register Transfer Instructions (5 Instructions)
• Non-delayed Branching Instructions (24 Instructions)
• Delayed Branching Instructions (21 Instructions)
• Direct Addressing Instructions (14 Instructions)
• Bit Search Instructions (3 Instructions)
• Other Instructions (16 Instructions)
• FPU Memory Load Instructions (7 Instructions)
• FPU Memory Store Instructions (7 Instructions)
• FPU Single-Precision Floating Point Calculation Instruction (12 Instructions)
• FPU Inter-Register Transfer Instruction (3 Instructions)
• FPU Branching Instruction without Delay (16 Instructions)
• FPU Branching Instruction with Delay (16 Instructions)