SH7670 datasheet(71/1292 Pages) RENESAS

Part #	SH7670

Description	32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

PDF	1292 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 2 CPU

Rev. 1.00 Nov. 14, 2007 Page 45 of 1262

REJ09B0437-0100

2.3.3

Instruction Format

The instruction formats and the meaning of source and destination operands are described below.

The meaning of the operand depends on the instruction code. The symbols used are as follows:

• xxxx: Instruction code

• mmmm: Source register

• nnnn: Destination register

• iiii: Immediate data

• dddd: Displacement

Table 2.9

Instruction Formats

Source

Operand

Destination

Operand

Example

0 format

xxxx

—

NOP

—

nnnn: Register

direct

MOVT

Control register or

system register

nnnn: Register

direct

STS

MACH,Rn

R0 (Register direct) nnnn: Register

direct

DIVU

R0,Rn

Control register or

system register

nnnn: Register

indirect with pre-

decrement

STC.L SR,@-Rn

mmmm: Register

direct

R15 (Register

indirect with pre-

decrement)

MOVMU.L

Rm,@-R15

R15 (Register

indirect with post-

increment)

nnnn: Register

direct

MOVMU.L

@R15+,Rn

n format

xxxx

nnnn

R0 (Register direct) nnnn: (Register

indirect with post-

increment)

MOV.L R0,@Rn+

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