H83069RF datasheet(55/1003 Pages) RENESAS

55 / 1003 page

Rev. 5.0, 09/04, page 33 of 978

Instruction Size*

Function

EXTS

W/L

Rd (sign extension)

→ Rd

Extends byte data in the lower 8 bits of a 16-bit register to word data, or

extends word data in the lower 16 bits of a 32-bit register to longword data,

by extending the sign bit.

EXTU

W/L

Rd (zero extension)

→ Rd

Extends byte data in the lower 8 bits of a 16-bit register to word data, or

extends word data in the lower 16 bits of a 32-bit register to longword data,

by padding with zeros.

Note:

Size refers to the operand size.

Byte

Word

Longword

Table 2.5

Logic Operation Instructions

Instruction Size*

Function

AND

B/W/L

∧ Rs → Rd, Rd ∧ #IMM → Rd

Performs a logical AND operation on a general register and another general

B/W/L

∨ Rs → Rd, Rd ∨ #IMM → Rd

Performs a logical OR operation on a general register and another general

XOR

B/W/L

⊕ Rs → Rd, Rd ⊕ #IMM → Rd

Performs a logical exclusive OR operation on a general register and another

general register or immediate data.

NOT

B/W/L

¬ Rd

→ Rd

Takes the one's complement (logical complement) of general register

contents.

Note:

Size refers to the operand size.

Byte

Word

Longword

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