HD6417750RF240DV Datasheet, PDF (265/1132 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7750 Series

SH7750, SH7750S, SH7750R Group
Section 7 Instruction Set
Addressing Instruction
Mode
Format
Effective Address Calculation Method
PC-relative @(disp:8, PC) Effective address is PC+4 with 8-bit displacement
with
disp added. After disp is zero-extended, it is
displacement
multiplied by 2 (word), or 4 (longword), according
to the operand size. With a longword operand,
the lower 2 bits of PC are masked.
PC
&^*
Calculation
Formula
Word: PC + 4
+ disp × 2 →
EA
Longword:
PC &
H'FFFFFFFC +
4 + disp × 4 →
EA
H'FFFFFFFC
+
4
+
disp
(zero-extended)
×
PC + 4 + disp
×2
or PC &
H'FFFFFFFC
+ 4 + disp × 4
PC-relative disp:8
2/4
* _{With longword operand}
Effective address is PC+4 with 8-bit displacement
disp added after being sign-extended and
multiplied by 2.
PC + 4 + disp
× 2 → Branch-
Target
PC
+
4
+
disp
(sign-extended)
×
PC + 4 + disp × 2
2
R01UH0456EJ0702 Rev. 7.02
Sep 24, 2013
Page 213 of 1076