diff --git a/.gitignore b/.gitignore
index bfdba7c..896dfbf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -342,3 +342,4 @@ ASALocalRun/
 make/oscar64
 *.int
 *.bcs
+*.crt
diff --git a/oscar64/CompilerTypes.h b/oscar64/CompilerTypes.h
index 891d8d0..147d134 100644
--- a/oscar64/CompilerTypes.h
+++ b/oscar64/CompilerTypes.h
@@ -8,6 +8,7 @@ static const uint64 COPT_OPTIMIZE_INLINE = 0x00000002;
 static const uint64 COPT_OPTIMIZE_AUTO_INLINE = 0x00000010;
 static const uint64 COPT_OPTIMIZE_AUTO_INLINE_ALL = 0x00000020;
 static const uint64 COPT_OPTIMIZE_AUTO_UNROLL = 0x00000040;
+static const uint64 COPT_OPTIMIZE_CONST_EXPRESSIONS = 0x00000080;
 
 static const uint64 COPT_TARGET_PRG = 0x100000000ULL;
 static const uint64 COPT_TARGET_CRT16 = 0x200000000ULL;
@@ -19,15 +20,15 @@ static const uint64 COPT_VERBOSE = 0x1000000000ULL;
 
 static const uint64 COPT_NATIVE = 0x01000000;
 
-static const uint64 COPT_DEFAULT = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE;
+static const uint64 COPT_DEFAULT = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE | COPT_OPTIMIZE_CONST_EXPRESSIONS;
 
-static const uint64 COPT_OPTIMIZE_DEFAULT = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE;
+static const uint64 COPT_OPTIMIZE_DEFAULT = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE | COPT_OPTIMIZE_CONST_EXPRESSIONS;
 
-static const uint64 COPT_OPTIMIZE_SIZE = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE;
+static const uint64 COPT_OPTIMIZE_SIZE = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE | COPT_OPTIMIZE_CONST_EXPRESSIONS;
 
-static const uint64 COPT_OPTIMIZE_SPEED = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE | COPT_OPTIMIZE_AUTO_INLINE | COPT_OPTIMIZE_AUTO_UNROLL;
+static const uint64 COPT_OPTIMIZE_SPEED = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE | COPT_OPTIMIZE_AUTO_INLINE | COPT_OPTIMIZE_AUTO_UNROLL | COPT_OPTIMIZE_CONST_EXPRESSIONS;
 
-static const uint64 COPT_OPTIMIZE_ALL = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE | COPT_OPTIMIZE_AUTO_INLINE | COPT_OPTIMIZE_AUTO_INLINE_ALL | COPT_OPTIMIZE_AUTO_UNROLL;
+static const uint64 COPT_OPTIMIZE_ALL = COPT_OPTIMIZE_BASIC | COPT_OPTIMIZE_INLINE | COPT_OPTIMIZE_AUTO_INLINE | COPT_OPTIMIZE_AUTO_INLINE_ALL | COPT_OPTIMIZE_AUTO_UNROLL | COPT_OPTIMIZE_CONST_EXPRESSIONS;
 
 struct CompilerSettings
 {
diff --git a/oscar64/GlobalAnalyzer.cpp b/oscar64/GlobalAnalyzer.cpp
index 329f024..5f48138 100644
--- a/oscar64/GlobalAnalyzer.cpp
+++ b/oscar64/GlobalAnalyzer.cpp
@@ -163,7 +163,8 @@ void GlobalAnalyzer::AnalyzeProcedure(Expression* exp, Declaration* dec)
 			dec->mFlags |= DTF_FUNC_CONSTEXPR;
 		else if (dec->mFlags & DTF_DEFINED)
 		{
-			dec->mFlags |= DTF_FUNC_CONSTEXPR;
+			if (mCompilerOptions & COPT_OPTIMIZE_CONST_EXPRESSIONS)
+				dec->mFlags |= DTF_FUNC_CONSTEXPR;
 			Analyze(exp, dec);
 		}
 		else
@@ -305,7 +306,10 @@ Declaration * GlobalAnalyzer::Analyze(Expression* exp, Declaration* procDec)
 				ldec->mFlags |= DTF_VAR_ALIASING;
 		} 
 		else if (exp->mToken == TK_MUL)
+		{
+			procDec->mFlags &= ~DTF_FUNC_CONSTEXPR;
 			return exp->mDecType;
+		}
 		break;
 	case EX_POSTFIX:
 		break;
diff --git a/oscar64/InterCode.cpp b/oscar64/InterCode.cpp
index b381c70..8f89749 100644
--- a/oscar64/InterCode.cpp
+++ b/oscar64/InterCode.cpp
@@ -8829,6 +8829,7 @@ void InterCodeProcedure::Disassemble(FILE* file)
 
 void InterCodeProcedure::Disassemble(const char* name, bool dumpSets)
 {
+#if 0
 #ifdef _WIN32
 	FILE* file;
 	static bool	initial = true;
@@ -8864,6 +8865,7 @@ void InterCodeProcedure::Disassemble(const char* name, bool dumpSets)
 		fclose(file);
 	}
 #endif
+#endif
 }
 
 InterCodeModule::InterCodeModule(void)
diff --git a/oscar64/Parser.cpp b/oscar64/Parser.cpp
index 726acc7..8f03e31 100644
--- a/oscar64/Parser.cpp
+++ b/oscar64/Parser.cpp
@@ -615,6 +615,62 @@ Declaration * Parser::CopyConstantInitializer(int offset, Declaration* dtype, Ex
 	return dec;
 }
 
+uint8* Parser::ParseStringLiteral(int msize)
+{
+	int	size = strlen(mScanner->mTokenString);
+	if (size + 1 > msize)
+		msize = size + 1;
+	uint8* d = new uint8[msize];
+
+	int i = 0;
+	while (mScanner->mTokenString[i])
+	{
+		d[i] = mCharMap[mScanner->mTokenString[i]];
+		i++;
+	}
+
+	mScanner->NextToken();
+
+	while (mScanner->mToken == TK_PREP_PRAGMA)
+	{
+		mScanner->NextToken();
+		ParsePragma();
+	}
+
+	// automatic string concatenation
+	while (mScanner->mToken == TK_STRING)
+	{
+		int	s = strlen(mScanner->mTokenString);
+
+		if (size + s + 1 > msize)
+			msize = size + s + 1;
+
+		uint8* nd = new uint8[msize];
+		memcpy(nd, d, size);
+		int i = 0;
+		while (mScanner->mTokenString[i])
+		{
+			nd[i + size] = mCharMap[mScanner->mTokenString[i]];
+			i++;
+		}
+		size += s;
+		delete[] d;
+		d = nd;
+		mScanner->NextToken();
+
+		while (mScanner->mToken == TK_PREP_PRAGMA)
+		{
+			mScanner->NextToken();
+			ParsePragma();
+		}
+	}
+
+	while (size < msize)
+		d[size++] = 0;
+
+	return d;
+}
+
 Expression* Parser::ParseInitExpression(Declaration* dtype)
 {
 	Expression* exp = nullptr;
@@ -713,10 +769,13 @@ Expression* Parser::ParseInitExpression(Declaration* dtype)
 		}
 		else if (mScanner->mToken == TK_STRING && dtype->mType == DT_TYPE_ARRAY && dtype->mBase->mType == DT_TYPE_INTEGER && dtype->mBase->mSize == 1)
 		{
+			uint8* d = ParseStringLiteral(dtype->mSize);
+			int		ds = strlen((char *)d);
+
 			if (!(dtype->mFlags & DTF_DEFINED))
 			{
 				dtype->mFlags |= DTF_DEFINED;
-				dtype->mSize = strlen(mScanner->mTokenString) + 1;
+				dtype->mSize = ds + 1;
 			}
 
 			dec = new Declaration(mScanner->mLocation, DT_CONST_DATA);
@@ -724,24 +783,10 @@ Expression* Parser::ParseInitExpression(Declaration* dtype)
 			dec->mSize = dtype->mSize;
 			dec->mSection = mDataSection;
 
-			uint8* d = new uint8[dtype->mSize];
 			dec->mData = d;
 
-			if (strlen(mScanner->mTokenString) < dtype->mSize)
-			{
-				int i = 0;
-				while (i < dec->mSize && mScanner->mTokenString[i])
-				{
-					d[i] = mCharMap[mScanner->mTokenString[i]];
-					i++;
-				}
-				if (i < dec->mSize)
-					d[i] = 0;
-			}
-			else
+			if (ds > dtype->mSize)
 				mErrors->Error(mScanner->mLocation, EERR_CONSTANT_INITIALIZER, "String constant is too large for char array");
-
-			mScanner->NextToken();
 		}
 		else
 		{
diff --git a/oscar64/Parser.h b/oscar64/Parser.h
index bc3640e..8c782ed 100644
--- a/oscar64/Parser.h
+++ b/oscar64/Parser.h
@@ -23,6 +23,7 @@ protected:
 
 	char			mCharMap[256];
 
+	uint8* ParseStringLiteral(int msize);
 
 	void ParsePragma(void);
 
diff --git a/samples/memmap/easyflash.crt b/samples/memmap/easyflash.crt
index 9d6299c..133dcc5 100644
Binary files a/samples/memmap/easyflash.crt and b/samples/memmap/easyflash.crt differ