r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 80

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

3. Instruction Set
Rev.1.00 Jan. 10, 2008 Page 50 of 1658
REJ09B0261-0100
Addressing
Mode
PC-relative
PC-relative
Instruction
Format
disp:8
disp:12
Rn
Effective Address Calculation Method
Effective address is PC + 4 with 8-bit displacement
disp added after being sign-extended and
multiplied by 2.
Effective address is PC + 4 with 12-bit displacement
disp added after being sign-extended and
multiplied by 2.
Effective address is sum of PC + 4 and Rn.
(sign-extended)
(sign-extended)
disp
disp
PC
PC
PC
Rn
4
2
4
2
4
+
×
+
×
+
+
+
+
PC + 4 + disp × 2
PC + 4 + disp × 2
PC + 4 + Rn
PC + 4 + Rn →
Branch-Target
Calculation
Formula
PC + 4 + disp
× 2 → Branch-
Target
PC + 4 + disp
× 2 → Branch-
Target