SH7032 datasheet(49/687 Pages) RENESAS

49 / 687 page

Section 2 CPU

Rev. 7.00 Jan 31, 2006 page 23 of 658

REJ09B0272-0700

Table 2.5

Immediate Data Accessing

Classification

SH7000 Series CPU

Conventional CPU

8-bit immediate

MOV

#H'12,R0

MOV.B #H'12,R0

16-bit immediate

MOV.W

@(disp,PC),R0

.........

.DATA.W H'1234

MOV.W

#H'1234,R0

32-bit immediate

MOV.L

@(disp,PC),R0

.........

.DATA.L H'12345678

MOV.L

#H'12345678,

Note: The address of the immediate data is accessed by @(disp, PC).

Absolute Address: When data is accessed by absolute address, the value already in the absolute

address is placed in the memory table. By loading the immediate data when the instruction is

executed, that value is transferred to the register and the data is accessed in the indirect register

addressing mode.

Table 2.6

Absolute Address Accessing

Classification

SH7000 Series CPU

Conventional CPU

Absolute address

MOV.L

@(disp,PC),R1

MOV. B

@R1,R0

.........

.DATA.L

H'12345678

MOV.B

@H'12345678,R0

Note: The address of the immediate data is accessed by @(disp, PC).

16/32-Bit Displacement: When data is accessed by 16-bit or 32-bit displacement, the pre-existing

displacement value is placed in the memory table. By loading the immediate data when the

instruction is executed, that value is transferred to the register and the data is accessed in the

indirect indexed register addressing mode.

Table 2.7

Accessing by Displacement

Classification

SH7000 Series CPU

Conventional CPU

16-bit displacement

MOV.W

@(disp,PC),R0

MOV.W

@(R0,R1),R2

.........

.DATA.W H'1234

MOV.W

@(H'1234,R1),R2

Note: The address of the immediate data is accessed by @(disp, PC).

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