diff --git a/include/stdio.c b/include/stdio.c
index 0b65bc6..0450e27 100644
--- a/include/stdio.c
+++ b/include/stdio.c
@@ -72,93 +72,325 @@ char * gets(char * str)
 	return str;
 }
 
-void printf(const char * fmt, ...)
+typedef void * (* putstrfn)(void * handle, const char * str);
+
+void * putstrio(void * handle, const char * str)
+{
+	puts(str);
+	return handle;
+}
+
+void * putstrstr(void * handle, const char * str)
+{
+	char * d = (char *)handle;
+	const char * s = str;
+
+	do {} while (*d++ = *s++);
+
+	return d - 1;
+}
+
+struct sinfo
+{
+	char		fill;
+	int			width, precision;
+	unsigned	base;
+	bool		sign, left, prefix;
+};
+
+void nformi(const sinfo * si, char * str, int v, bool s)
+{
+	char	buffer[10];
+
+	unsigned int u = v;
+	bool	neg = false;
+
+	if (s && v < 0)
+	{
+		neg = true;
+		u = -v;
+	}
+
+	int	i = 0;
+	while (u > 0)
+	{
+		int	c = u % si->base;
+		if (c >= 10)
+			c += 'A' - 10;
+		else
+			c += '0';
+		buffer[i++] = c;
+		u /= si->base;
+	}
+
+	int	digits = si->precision >= 0 ? si->precision : 1;
+
+	while (i < digits)
+		buffer[i++] = '0';
+
+	if (si->prefix && si->base == 16)
+	{
+		buffer[i++] = 'X';
+		buffer[i++] = '0';
+	}
+
+	if (neg)
+		buffer[i++] = '-';
+	else if (si->sign)
+		buffer[i++] = '+';
+
+	while (i < si->width)
+		buffer[i++] = si->fill;
+
+	while (i > 0)
+		*str++ = buffer[--i];
+	*str++ = 0;
+}
+
+void nformf(const sinfo * si, char * str, float f, char type)
+{
+	int	d = 0;
+
+	if (f < 0.0)
+	{
+		f = -f;
+		str[d++] = '-';
+	}
+	else if (si->sign)
+		str[d++] = '+';		
+		
+	int	exp = 0;
+
+	int	fdigits = si->precision >= 0 ? si->precision : 6;
+		
+	if (f != 0.0)
+	{
+		while (f >= 1000.0)
+		{
+			f /= 1000;
+			exp += 3;
+		}
+
+		while (f < 1.0)
+		{
+			f *= 1000;
+			exp -= 3;
+		}
+
+		while (f >= 10.0)
+		{
+			f /= 10;
+			exp ++;
+		}
+		
+	}
+	
+	int digits = fdigits + 1;
+	bool	fexp = type == 'e';
+
+	if (type == 'g')
+	{
+		if (exp > 3 || exp < 0)
+			fexp = true;
+	}
+
+	if (!fexp)
+	{
+		while (exp < 0)
+		{
+			f /= 10.0;
+			exp++;
+		}
+		digits = fdigits + exp + 1;
+
+		float	s = 0.5;
+		for(int i=1; i<digits; i++)
+			s /= 10.0;
+		f += s;
+		if (f >= 10.0)
+		{
+			f /= 10.0;
+			fdigits--;
+		}		
+	}
+	else
+	{
+		float	s = 0.5;
+		for(int i=0; i<fdigits; i++)
+			s /= 10.0;
+		f += s;
+		if (f >= 10.0)
+		{
+			f /= 10.0;
+			exp ++;
+		}
+	}
+	
+	int	pdigits = digits - fdigits;
+
+	if (digits > 20)
+		digits = 20;
+
+	if (pdigits == 0)
+		str[d++] = '0';
+
+	for(int i=0; i<digits; i++)
+	{
+		if (i == pdigits)
+			str[d++] = '.';
+		int c = (int)f;
+		f -= (float)c;
+		f *= 10.0;
+		str[d++] = c + '0';
+	}
+
+	if (fexp)
+	{
+		str[d++] = 'E';
+		if (exp < 0)
+		{
+			str[d++] = '-';
+			exp = -exp;
+		}
+		else
+			str[d++] = '+';
+		
+		str[d++] = exp / 10 + '0';
+		str[d++] = exp % 10 + '0';		
+	}
+		
+	str[d++] = 0;		
+	if (d < si->width)
+	{
+		for(int i=0; i<=d; i++)
+			str[si->width - i] = str[d - i];
+		for(int i=0; i<si->width-d; i++)
+			str[i] = ' '
+	}
+}
+
+void sformat(void * data, putstrfn fn, const char * fmt, int * fps)
 {
 	const char	*	p = fmt;
-	char		c, buff[14];
-	int	*	fps = (int *)&fmt + 1;
+	char		c, buff[21];
+	int			bi = 0;
+	sinfo		si;
 	
 	while (c = *p++)
 	{
 		if (c == '%')
-		{
+		{			
+			if (bi)
+			{
+				buff[bi] = 0;
+				data = fn(data, buff);
+				bi = 0;				
+			}
 			c = *p++;
+
+			si.base = 10;
+			si.width = 1;
+			si.precision = -1;
+			si.fill = ' ';
+			si.sign = false;
+			si.left = false;
+			si.prefix = false;
+
+			while(true)
+			{
+				if (c == '+')
+					si.sign = true;
+				else if (c == '0')
+					si.fill = '0';
+				else if (c == '#')
+					si.prefix = true;
+				else					
+					break;
+				c = *p++;
+			}
+
+			if (c >= '0' && c <='9')
+			{
+				int i = 0;
+				while (c >= '0' && c <='9')
+				{
+					i = i * 10 + c - '0';
+					c = *p++;
+				}
+				si.width = i;
+			}
+
+			if (c == '.')
+			{
+				int	i = 0;
+				c = *p++;
+				while (c >= '0' && c <='9')
+				{
+					i = i * 10 + c - '0';
+					c = *p++;
+				}		
+				si.precision = i;		
+			}
+
 			if (c == 'd')
 			{
-				itoa(*fps++, buff, 10);
-				puts(buff);
+				nformi(&si, buff, *fps++, true);
+				data = fn(data, buff);
+			}
+			else if (c == 'u')
+			{
+				nformi(&si, buff, *fps++, false);
+				data = fn(data, buff);
 			}
 			else if (c == 'x')
 			{
-				utoa(*fps++, buff, 16);
-				puts(buff);
+				si.base = 16;
+				nformi(&si, buff, *fps++, false);
+				data = fn(data, buff);
 			}
-			else if (c == 'f')
+			else if (c == 'f' || c == 'g' || c == 'e')
 			{
-				ftoa(*(float *)fps, buff);
-				puts(buff);
+				nformf(&si, buff, *(float *)fps, c);
+				data = fn(data, buff);
 				fps ++;
 				fps ++;
 			}
 			else if (c == 's')
 			{
-				puts((char *)*fps++);
+				data = fn(data, (char *)*fps++);
 			}
 			else if (c)
 			{
-				putchar(c);
+				buff[bi++] = c;
 			}
 		}
 		else
-			putchar(c);
+		{
+			buff[bi++] = c;
+			if (bi == 10)
+			{
+				buff[bi] = 0;
+				data = fn(data, buff);
+				bi = 0;				
+			}
+		}
 	}
+	if (bi)
+	{
+		buff[bi] = 0;
+		data = fn(data, buff);
+		bi = 0;				
+	}
+}
+
+void printf(const char * fmt, ...)
+{
+	sformat(nullptr, putstrio, fmt, (int *)&fmt + 1);
 }
 
 int sprintf(char * str, const char * fmt, ...)
 {
-	const char	*	p = fmt, * d = str;
-	char		c;
-	int	*	fps = (int *)&fmt + 1;
-	
-	while (c = *p++)
-	{
-		if (c == '%')
-		{
-			c = *p++;
-			if (c == 'd')
-			{
-				itoa(*fps++, d, 10);
-				while (*d)
-					d++;
-			}
-			else if (c == 'x')
-			{
-				utoa(*fps++, d, 16);
-				while (*d)
-					d++;
-			}
-			else if (c == 'f')
-			{
-				ftoa(*(float *)fps, d);
-				fps += 2;
-				while (*d)
-					d++;				
-			}
-			else if (c == 's')
-			{
-				char * s = (char *)*fps++;
-				while (c = *s++)
-					*d++ = c;
-			}
-			else if (c)
-			{
-				*d++ = c;
-			}
-		}
-		else
-			*d++ = c;
-	}
-	*d = 0;
+	char * d = (char *)(sformat(str, putstrstr, fmt, (int *)&fmt + 1));
 	return d - str;
 }
 
diff --git a/oscar64/Emulator.cpp b/oscar64/Emulator.cpp
index c1cce7e..447a91b 100644
--- a/oscar64/Emulator.cpp
+++ b/oscar64/Emulator.cpp
@@ -65,7 +65,7 @@ void Emulator::DumpCycles(void)
 	}
 	
 	printf("Total Cycles %d\n", totalCycles);
-//	return;
+	return;
 
 	for (int i = 0; i < numTops; i++)
 	{
diff --git a/oscar64/InterCodeGenerator.cpp b/oscar64/InterCodeGenerator.cpp
index ba9b904..ef20108 100644
--- a/oscar64/InterCodeGenerator.cpp
+++ b/oscar64/InterCodeGenerator.cpp
@@ -650,16 +650,25 @@ InterCodeGenerator::ExValue InterCodeGenerator::TranslateExpression(Declaration*
 							oins.mOperator = IA_MUL;
 							break;
 						case TK_ASSIGN_DIV:
-							oins.mOperator = IA_DIVS;
+							if (vll.mType->mFlags & DTF_SIGNED)
+								oins.mOperator = IA_DIVS;
+							else
+								oins.mOperator = IA_DIVU;
 							break;
 						case TK_ASSIGN_MOD:
-							oins.mOperator = IA_MODS;
+							if (vll.mType->mFlags & DTF_SIGNED)
+								oins.mOperator = IA_MODS;
+							else
+								oins.mOperator = IA_MODU;
 							break;
 						case TK_ASSIGN_SHL:
 							oins.mOperator = IA_SHL;
 							break;
 						case TK_ASSIGN_SHR:
-							oins.mOperator = IA_SHR;
+							if (vll.mType->mFlags & DTF_SIGNED)
+								oins.mOperator = IA_SAR;
+							else
+								oins.mOperator = IA_SHR;
 							break;
 						case TK_ASSIGN_AND:
 							oins.mOperator = IA_AND;
@@ -1418,7 +1427,7 @@ InterCodeGenerator::ExValue InterCodeGenerator::TranslateExpression(Declaration*
 				xins.mIntValue = atotal;
 				block->Append(xins);
 
-				return ExValue(vl.mType->mBase, cins.mTTemp);
+				return ExValue(ftype->mBase, cins.mTTemp);
 			}
 
 		}
diff --git a/oscar64/NativeCodeGenerator.cpp b/oscar64/NativeCodeGenerator.cpp
index 34858f8..cd1114d 100644
--- a/oscar64/NativeCodeGenerator.cpp
+++ b/oscar64/NativeCodeGenerator.cpp
@@ -525,6 +525,13 @@ bool NativeCodeInstruction::ValueForwarding(NativeRegisterDataSet& data)
 				mType = ASMIT_NOP;
 				changed = true;
 			}
+			else if (data.mRegs[mAddress].mImmediate)
+			{
+				data.mRegs[CPU_REG_A] = data.mRegs[mAddress];
+				mAddress = data.mRegs[CPU_REG_A].mValue;
+				mMode = ASMIM_IMMEDIATE;
+				changed = true;
+			}
 			else
 			{
 				data.mRegs[CPU_REG_A].Reset();
@@ -547,6 +554,13 @@ bool NativeCodeInstruction::ValueForwarding(NativeRegisterDataSet& data)
 				mType = ASMIT_NOP;
 				changed = true;
 			}
+			else if (data.mRegs[mAddress].mImmediate)
+			{
+				data.mRegs[CPU_REG_X] = data.mRegs[mAddress];
+				mAddress = data.mRegs[CPU_REG_X].mValue;
+				mMode = ASMIM_IMMEDIATE;
+				changed = true;
+			}
 			else
 			{
 				data.mRegs[CPU_REG_X].Reset();
@@ -569,6 +583,13 @@ bool NativeCodeInstruction::ValueForwarding(NativeRegisterDataSet& data)
 				mType = ASMIT_NOP;
 				changed = true;
 			}
+			else if (data.mRegs[mAddress].mImmediate)
+			{
+				data.mRegs[CPU_REG_Y] = data.mRegs[mAddress];
+				mAddress = data.mRegs[CPU_REG_Y].mValue;
+				mMode = ASMIM_IMMEDIATE;
+				changed = true;
+			}
 			else
 			{
 				data.mRegs[CPU_REG_Y].Reset();
@@ -789,14 +810,17 @@ void NativeCodeInstruction::FilterRegUsage(NumberSet& requiredTemps, NumberSet&
 		break;
 
 	case ASMIT_CMP:
+	case ASMIT_STA:
 		if (!providedTemps[CPU_REG_A])
 			requiredTemps += CPU_REG_A;
 		break;
 	case ASMIT_CPX:
+	case ASMIT_STX:
 		if (!providedTemps[CPU_REG_X])
 			requiredTemps += CPU_REG_X;
 		break;
 	case ASMIT_CPY:
+	case ASMIT_STY:
 		if (!providedTemps[CPU_REG_Y])
 			requiredTemps += CPU_REG_Y;
 		break;
diff --git a/oscar64/Parser.cpp b/oscar64/Parser.cpp
index 57753e1..1b714a3 100644
--- a/oscar64/Parser.cpp
+++ b/oscar64/Parser.cpp
@@ -40,7 +40,8 @@ Declaration* Parser::ParseBaseTypeDeclaration(uint32 flags)
 			dec->mSize = 1;
 			mScanner->NextToken();
 		}
-		break;
+		else
+			dec->mSize = 2;
 
 		break;
 
diff --git a/oscar64/oscar64.rc b/oscar64/oscar64.rc
index 803610e..7d845a0 100644
--- a/oscar64/oscar64.rc
+++ b/oscar64/oscar64.rc
@@ -25,8 +25,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_NEUTRAL
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 1,0,22,0
- PRODUCTVERSION 1,0,22,0
+ FILEVERSION 1,0,23,0
+ PRODUCTVERSION 1,0,23,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -43,12 +43,12 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "oscar64"
             VALUE "FileDescription", "oscar64 compiler"
-            VALUE "FileVersion", "1.0.22.0"
+            VALUE "FileVersion", "1.0.23.0"
             VALUE "InternalName", "oscar64.exe"
             VALUE "LegalCopyright", "Copyright (C) 2021"
             VALUE "OriginalFilename", "oscar64.exe"
             VALUE "ProductName", "oscar64"
-            VALUE "ProductVersion", "1.0.22.0"
+            VALUE "ProductVersion", "1.0.23.0"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/oscar64setup/oscar64setup.vdproj b/oscar64setup/oscar64setup.vdproj
index 746555e..168647f 100644
--- a/oscar64setup/oscar64setup.vdproj
+++ b/oscar64setup/oscar64setup.vdproj
@@ -116,6 +116,14 @@
         "PrivateKeyFile" = "8:"
         "TimeStampServer" = "8:"
         "InstallerBootstrapper" = "3:2"
+            "BootstrapperCfg:{63ACBE69-63AA-4F98-B2B6-99F9E24495F2}"
+            {
+            "Enabled" = "11:TRUE"
+            "PromptEnabled" = "11:TRUE"
+            "PrerequisitesLocation" = "2:1"
+            "Url" = "8:"
+            "ComponentsUrl" = "8:"
+            }
         }
         "Release"
         {
@@ -132,6 +140,14 @@
         "PrivateKeyFile" = "8:"
         "TimeStampServer" = "8:"
         "InstallerBootstrapper" = "3:2"
+            "BootstrapperCfg:{63ACBE69-63AA-4F98-B2B6-99F9E24495F2}"
+            {
+            "Enabled" = "11:TRUE"
+            "PromptEnabled" = "11:TRUE"
+            "PrerequisitesLocation" = "2:1"
+            "Url" = "8:"
+            "ComponentsUrl" = "8:"
+            }
         }
     }
     "Deployable"
@@ -480,15 +496,15 @@
         {
         "Name" = "8:Microsoft Visual Studio"
         "ProductName" = "8:oscar64"
-        "ProductCode" = "8:{8DBBA799-02D3-41CF-AC4B-48ACAD587438}"
-        "PackageCode" = "8:{19B7DAD0-EB7E-49E0-99EC-3C46ADD0F434}"
+        "ProductCode" = "8:{468390A3-2F63-4CA4-9043-3B1AEEA1852F}"
+        "PackageCode" = "8:{A55AE2BA-C814-4AD7-BBB6-00042C360D73}"
         "UpgradeCode" = "8:{9AB61EFF-ACAC-4079-9950-8D96615CD4EF}"
         "AspNetVersion" = "8:2.0.50727.0"
         "RestartWWWService" = "11:FALSE"
         "RemovePreviousVersions" = "11:TRUE"
         "DetectNewerInstalledVersion" = "11:TRUE"
         "InstallAllUsers" = "11:FALSE"
-        "ProductVersion" = "8:1.0.22"
+        "ProductVersion" = "8:1.0.23"
         "Manufacturer" = "8:oscar64"
         "ARPHELPTELEPHONE" = "8:"
         "ARPHELPLINK" = "8:"