diff --git a/M6502/inc/mos6502.h b/M6502/inc/mos6502.h
index fc01145..ffc959d 100644
--- a/M6502/inc/mos6502.h
+++ b/M6502/inc/mos6502.h
@@ -616,6 +616,13 @@ namespace EightBit {
 			EORA(operand);
 		}
 
+		void RRA(int bbb) {
+			auto operand = AM_01(bbb);
+			ROR(operand);
+			setByte(operand);
+			A() = ADC(A(), operand);
+		}
+
 		void ROR(uint8_t& output);
 
 		void LSR(uint8_t& output);
diff --git a/M6502/src/Disassembly.cpp b/M6502/src/Disassembly.cpp
index 9401b8d..ee42167 100644
--- a/M6502/src/Disassembly.cpp
+++ b/M6502/src/Disassembly.cpp
@@ -398,6 +398,9 @@ std::string EightBit::Disassembly::disassemble(uint16_t current) const {
 		case 0b010:
 			output << disassemble_AM_01(bbb, "*SRE");
 			break;
+		case 0b011:
+			output << disassemble_AM_01(bbb, "*RRA");
+			break;
 		case 0b100:
 			output << disassemble_AM_11(bbb, "*SAX");
 			break;
diff --git a/M6502/src/mos6502.cpp b/M6502/src/mos6502.cpp
index 0e8346c..4406e93 100644
--- a/M6502/src/mos6502.cpp
+++ b/M6502/src/mos6502.cpp
@@ -11,8 +11,8 @@ EightBit::MOS6502::MOS6502(Bus& bus)
 		/* 3 */	2, 5, 0, 7, 4, 4, 6, 6, 2, 4, 2, 6, 4, 4, 7, 6,
 		/* 4 */	6, 6, 0, 8, 3, 3, 5, 5, 3, 2, 2, 0, 3, 4, 6, 6,
 		/* 5 */	2, 5, 0, 7, 4, 4, 6, 6, 2, 4, 2, 6, 4, 4, 7, 6,
-		/* 6 */	6, 6, 0, 0, 3, 3, 5, 0, 4, 2, 2, 0, 5, 4, 6, 0,
-		/* 7 */	2, 5, 0, 0, 4, 4, 6, 0, 2, 4, 2, 0, 4, 4, 7, 0,
+		/* 6 */	6, 6, 0, 8, 3, 3, 5, 5, 4, 2, 2, 0, 5, 4, 6, 6,
+		/* 7 */	2, 5, 0, 7, 4, 4, 6, 6, 2, 4, 2, 6, 4, 4, 7, 6,
 		/* 8 */	2, 6, 0, 6, 3, 3, 3, 3, 2, 0, 2, 0, 4, 4, 4, 4,
 		/* 9 */	2, 6, 0, 0, 4, 4, 4, 4, 2, 5, 2, 0, 0, 5, 0, 0,
 		/* A */	2, 6, 2, 6, 3, 3, 3, 3, 2, 2, 2, 0, 4, 4, 4, 4,
@@ -420,6 +420,9 @@ int EightBit::MOS6502::execute(uint8_t cell) {
 		case 0b010:	// *SRE
 			SRE(decoded.bbb);
 			break;
+		case 0b011:	// *RRA
+			RRA(decoded.bbb);
+			break;
 		case 0b100: // *SAX
 			AM_11(decoded.bbb, A() & X());
 			break;