Appendix B Instruction Set List; Conventions - NEC V850ES/KE1+ User Manual

B.1 Conventions
(1) Register symbols used to describe operands
Register Symbol
reg1 General-purpose registers: Used as source registers.
reg2 General-purpose registers: Used mainly as destination registers. Also used as source register in some
reg3 General-purpose registers: Used mainly to store the remainders of division results and the higher 32 bits
bit#3 3-bit data for specifying the bit number
immX X bit immediate data
dispX X bit displacement data
regID System register number
vector 5-bit data that specifies the trap vector (00H to 1FH)
cccc 4-bit data that shows the condition codes
sp Stack pointer (r3)
ep Element pointer (r30)
listX X item register list
(2) Register symbols used to describe opcodes
Register Symbol
R 1-bit data of a code that specifies reg1 or regID
r 1-bit data of the code that specifies reg2
w 1-bit data of the code that specifies reg3
d 1-bit displacement data
I 1-bit immediate data (indicates the higher bits of immediate data)
i 1-bit immediate data
cccc 4-bit data that shows the condition codes
CCCC 4-bit data that shows the condition codes of Bcond instruction
bbb 3-bit data for specifying the bit number
L 1-bit data that specifies a program register in the register list
690

APPENDIX B INSTRUCTION SET LIST

instructions.
of multiplication results.
User's Manual U16896EJ2V0UD
Explanation
Explanation