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CM71-00105-1E FUJITSU MICROELECTRONICS LIMITED 269
FR81 Family
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.91
7.91 FSUBs (Single Precision Floating Point Subtract)
FRk is subtracted by FRj, and its result is stored in FRi.
● Assembler Format
FSUBs FRk, FRj, FRi
● Operation
FRk - FRj → FRi
● Classification
Single-precision floating point instruction, FR81 family
● Execution Cycles
1 cycle
● Instruction Format
● EIT Occurrence and Detection
An invalid instruction exception (FPU absence error), an FPU exception, or an interrupt is detected.
MSB LSB
(n+0)0000011110100010
(n+2) - FRk FRj FRi