SH7730 Datasheet, PDF (102/1188 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7780 Series

Section 3 Instruction Set
Addressing Instruction
Mode
Format
Effective Address Calculation Method
PC-relative disp:8
Effective address is PC + 4 with 8-bit displacement
disp added after being sign-extended and
multiplied by 2.
PC
Calculation
Formula
PC + 4 + disp
× 2 → Branch-
Target
+
4
+
disp
(sign-extended)
×
PC + 4 + disp × 2
PC-relative disp:12
2
Effective address is PC + 4 with 12-bit displacement PC + 4 + disp
disp added after being sign-extended and
× 2 → Branch-
multiplied by 2.
Target
PC
+
4
+
disp
(sign-extended)
×
PC + 4 + disp × 2
2
Rn
Effective address is sum of PC + 4 and Rn.
PC
PC + 4 + Rn →
Branch-Target
+
4
+
PC + 4 + Rn
Rn
Rev. 1.00 Sep. 19, 2007 Page 54 of 1136
REJ09B0359-0100