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FR81 Family
104 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
Refer to "A.1 Meaning of Symbols" for explanation regarding symbols used in detailed
execution instructions. The respective instructions are explained separately in the
following items.
● Assembler Format
Shows the format of writing the instruction in the assembler language.
● Operation
Shows the operation of an instruction by substituting it with an arrow mark (→).
● Flag Change
Shows whether the flag of the Condition Code Register (CCR) changes by the execution of an instruction.
● Classification
Shows Functional classification of instructions and the following sections of instructions.
Instruction with delay slot: Instruction than can be positioned in the delay slot
Read-Modify-Write system Instruction
FR80 Family: Instructions added to FR80 Family and after CPUs
FR81 Family: Instructions added in FR81 Family CPU
FR81 Updating: Instruction to which definition is changed in FR81 family CPU
● Execution Cycle
Shows the required number of clock cycles for instruction execution
● Instruction Format
Shows the format and bit pattern of the instruction.
● Execution example
Shows the operation example at the time of instruction execution.