SH7708 datasheet(47/633 Pages) RENESAS

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2.4

Instruction Set

2.4.1

Instruction Set Classified by Function

The SH7708 Series instruction set includes 68 basic instruction types, as listed in table 2.4.

Table 2.4

Classification of Instructions

Classification

Types

Operation

Code

Function

No. of

Instructions

Data transfer

MOV

Data transfer

MOVA

Effective address transfer

MOVT

T bit transfer

SWAP

Swap of upper and lower bytes

XTRCT

Extraction of middle of linked registers

Arithmetic

ADD

Binary addition

operations

ADDC

Binary addition with carry

ADDV

Binary addition with overflow check

CMP/cond

Comparison

DIV1

Division

DIV0S

Initialization of signed division

DIV0U

Initialization of unsigned division

DMULS

Signed double-precision multiplication

DMULU

Unsigned double-precision multiplication

Decrement and test

EXTS

Sign extension

EXTU

Zero extension

MAC

Multiply-and-accumulate operation,

double-precision multiply-and-accumulate

operation

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