SH7055S Datasheet, PDF (76/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Table 2.8 Addressing Modes and Effective Addresses (cont)
Addressing
Mode
Instruction
Format
Effective Address Calculation
Indirect indexed @(R0, GBR)The effective address is the GBR value plus R0.
GBR addressing
GBR
+
GBR + R0
Equation
GBR + R0
R0
Indirect PC
addressing with
displacement
@(disp:8, The effective address is the PC value plus an 8-bit
PC)
displacement (disp). The value of disp is zero-
extended, and is doubled for a word operation, and
quadrupled for a longword operation. For a
longword†operation, the lowest two bits of the PC
value are masked.
PC
H'FFFFFFFC
disp
(zero-extended)
(for longword)
&
PC + disp × 2
+
or
PC & H'FFFFFFFC
+ disp × 4
×
Word: PC +
disp × 2
Longword:
PC &
H'FFFFFFFC
+ disp × 4
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Rev.2.0, 07/03, page 38 of 960