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diff --git a/plugins/arm/v7/opdefs/b_A8818.d b/plugins/arm/v7/opdefs/b_A8818.d
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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2015 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+@title B
+
+@desc Branch causes a branch to a target address.
+
+@encoding (t1) {
+
+	@half 1 1 0 1 cond(4) imm8(8)
+
+	@syntax <imm32>
+
+	@conv {
+
+		imm32 = SignExtend(imm8:'0', imm8 & 0x80, 32)
+
+	}
+
+	@rules {
+
+		chk_call StoreCondition(cond)
+
+	}
+
+	@hooks {
+
+		fetch = help_fetching_with_instruction_b_from_thumb
+		link = handle_arm_conditional_branch_as_link
+		post = post_process_branch_instructions
+
+	}
+
+}
+
+@encoding (t2) {
+
+	@half 1 1 1 0 0 imm11(11)
+
+	@syntax <imm32>
+
+	@conv {
+
+		imm32 = SignExtend(imm11:'0', imm11 & 0x400, 32)
+
+	}
+
+	@hooks {
+
+		fetch = help_fetching_with_instruction_b_from_thumb
+		link = handle_arm_conditional_branch_as_link
+		post = post_process_branch_instructions
+
+	}
+
+}
+
+@encoding (T3) {
+
+	@word 1 1 1 1 0 S(1) cond(4) imm6(6) 1 0 J1(1) 0 J2(1) imm11(11)
+
+	@syntax ".W" <imm32>
+
+	@conv {
+
+		imm32 = SignExtend(S:J2:J1:imm6:imm11:'0', S & 0x1, 32)
+
+	}
+
+	@rules {
+
+		chk_call StoreCondition(cond)
+
+	}
+
+	@hooks {
+
+		fetch = help_fetching_with_instruction_b_from_thumb
+		link = handle_arm_conditional_branch_as_link
+		post = post_process_branch_instructions
+
+	}
+
+}
+
+@encoding (T4) {
+
+	@word 1 1 1 1 0 S(1) imm10(10) 1 0 J1(1) 1 J2(1) imm11(11)
+
+	@syntax ".W" <imm32>
+
+	@conv {
+
+		I1 = NOT(J1 EOR S)
+		I2 = NOT(J2 EOR S)
+		imm32 = SignExtend(S:I1:I2:imm10:imm11:'0', S & 0x1, 32)
+
+	}
+
+	@hooks {
+
+		fetch = help_fetching_with_instruction_b_from_thumb
+		link = handle_arm_conditional_branch_as_link
+		post = post_process_branch_instructions
+
+	}
+
+}
+
+@encoding (A1) {
+
+	@word cond(4) 1 0 1 0 imm24(24)
+
+	@syntax <imm32>
+
+	@conv {
+
+		imm32 = SignExtend(imm24:'00', imm24 & 0x800000, 32)
+
+	}
+
+	@rules {
+
+		chk_call StoreCondition(cond)
+
+	}
+
+	@hooks {
+
+		fetch = help_fetching_with_instruction_b_from_arm
+		link = handle_arm_conditional_branch_as_link
+		post = post_process_branch_instructions
+
+	}
+
+}
+