diff --git a/Processors/6502/Implementation/6502Implementation.hpp b/Processors/6502/Implementation/6502Implementation.hpp
index b39122e8b..7dbe6d069 100644
--- a/Processors/6502/Implementation/6502Implementation.hpp
+++ b/Processors/6502/Implementation/6502Implementation.hpp
@@ -367,6 +367,8 @@ if(number_of_cycles <= Cycles(0)) break;
 
 					case OperationINC: operand_++; negative_result_ = zero_result_ = operand_; continue;
 					case OperationDEC: operand_--; negative_result_ = zero_result_ = operand_; continue;
+					case OperationINA: a_++; negative_result_ = zero_result_ = a_; continue;
+					case OperationDEA: a_--; negative_result_ = zero_result_ = a_; continue;
 					case OperationINX: x_++; negative_result_ = zero_result_ = x_; continue;
 					case OperationDEX: x_--; negative_result_ = zero_result_ = x_; continue;
 					case OperationINY: y_++; negative_result_ = zero_result_ = y_; continue;
diff --git a/Processors/6502/Implementation/6502Storage.cpp b/Processors/6502/Implementation/6502Storage.cpp
index 92e200182..d117a82fb 100644
--- a/Processors/6502/Implementation/6502Storage.cpp
+++ b/Processors/6502/Implementation/6502Storage.cpp
@@ -269,6 +269,10 @@ ProcessorStorage::ProcessorStorage(Personality personality) {
 			OperationCorrectAddressHigh, CycleReadPCLFromAddress,	// (5) read from real (addr+x)
 			CycleReadPCHFromAddressInc		// (6) read from addr+x+1
 		));
+
+		// Add INA and DEA.
+		Install(0x1a, Program(OperationINA));
+		Install(0x3a, Program(OperationDEA));
 	}
 #undef Install
 }
diff --git a/Processors/6502/Implementation/6502Storage.hpp b/Processors/6502/Implementation/6502Storage.hpp
index d77a18103..ec48d8d36 100644
--- a/Processors/6502/Implementation/6502Storage.hpp
+++ b/Processors/6502/Implementation/6502Storage.hpp
@@ -54,9 +54,10 @@ class ProcessorStorage {
 			OperationASO,								OperationROL,						OperationRLA,							OperationLSR,
 			OperationLSE,								OperationASR,						OperationROR,							OperationRRA,
 			OperationCLC,								OperationCLI,						OperationCLV,							OperationCLD,
-			OperationSEC,								OperationSEI,						OperationSED,							OperationINC,
-			OperationDEC,								OperationINX,						OperationDEX,							OperationINY,
-			OperationDEY,
+			OperationSEC,								OperationSEI,						OperationSED,
+
+			OperationINC,								OperationDEC,						OperationINX,							OperationDEX,
+			OperationINY,								OperationDEY,						OperationINA,							OperationDEA,
 
 			OperationBPL,								OperationBMI,						OperationBVC,							OperationBVS,
 			OperationBCC,								OperationBCS,						OperationBNE,							OperationBEQ,