FR81 Family
40 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 3 PROGRAMMING MODEL
3.4
3.4 Floating-point Register

Floating point registers are using that store results for floating point calculations.

The floating-point register is 16, each having 32-bit length. As for the register, the name of FR0 to FR15 is
named.
Figure 3.4-1 shows the construction and the initial value of the floating-point register.
Figure 3.4-1 The construction and the initial value of the floating-point register
32 bit [Initial value]
FR0 XXXX XXXXH
FR1 XXXX XXXXH
FR2 XXXX XXXXH
FR3 XXXX XXXXH
FR4 XXXX XXXXH
FR5 XXXX XXXXH
FR6 XXXX XXXXH
FR7 XXXX XXXXH
FR8 XXXX XXXXH
FR9 XXXX XXXXH
FR10 XXXX XXXXH
FR11 XXXX XXXXH
FR12 XXXX XXXXH
FR13 XXXX XXXXH
FR14 XXXX XXXXH
FR15 XXXX XXXXH