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FR81 Family
430 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
APPENDIX
APPENDIX A Instruction Lists
(frlist)
Indicates 16-bit Register list. Floating Point Registers (FR0 to FR15) corresponding to each bit value
can be specified.
Table A.1-7 Correspondence between frlist bit of FLDM Instruction and Floating Point
Registers
Table A.1-8 Correspondence between frlist bit of FSTM Instruction and Floating Point
Registers
A.1.2 Operation Column
These are symbols used in Operation Column of Instruction Lists and operation of Detailed Execution
Instructions.
extu( )
indicates a zero extension operation, in which portion lacking higher bits is complimented by adding
"0" bit.
extn( )
indicates a minus extension operation, in which portion lacking higher bits is complimented by adding
"1" bit.
exts( )
indicates a sign extension operation, in which zero extension is performed for the data within ( ) if MSB
frlist Register frlist Register
bit0 FR0 bit8 FR8
bit1 FR1 bit9 FR9
bit2 FR2 bit10 FR10
bit3 FR3 bit11 FR11
bit4 FR4 bit12 FR12
bit5 FR5 bit13 FR13
bit6 FR6 bit14 FR14
bit7 FR7 bit15 FR15
frlist Register frlist Register
bit0 FR15 bit8 FR7
bit1 FR14 bit9 FR6
bit2 FR13 bit10 FR5
bit3 FR12 bit11 FR4
bit4 FR11 bit12 FR3
bit5 FR10 bit13 FR2
bit6 FR9 bit14 FR1
bit7 FR8 bit15 FR0