diff --git a/ttmath/ttmathparser.h b/ttmath/ttmathparser.h
index 42cd940..a7f39d2 100644
--- a/ttmath/ttmathparser.h
+++ b/ttmath/ttmathparser.h
@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2006-2014, Tomasz Sowa
+ * Copyright (c) 2006-2017, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -1781,7 +1781,7 @@ Conv conv;
 /*!
 	this method returns true if 'character' is a proper first digit for the value (or a comma -- can be first too)
 */
-bool ValueStarts(int character, int base)
+bool ValueStarts(int character, int character_base)
 {
 	if( character == comma )
 		return true;
@@ -1789,7 +1789,7 @@ bool ValueStarts(int character, int base)
 	if( comma2!=0 && character==comma2 )
 		return true;
 
-	if( Misc::CharToDigit(character, base) != -1 )
+	if( Misc::CharToDigit(character, character_base) != -1 )
 		return true;
 
 return false;
diff --git a/ttmath/ttmathuint.h b/ttmath/ttmathuint.h
index 2110481..43d68c1 100644
--- a/ttmath/ttmathuint.h
+++ b/ttmath/ttmathuint.h
@@ -3319,7 +3319,7 @@ public:
 		if( negative )
 			result = '-';
 
-		digits_d  = table_id; // for not making an overflow in uint type
+		digits_d  = static_cast<double>(table_id); // for not making an overflow in uint type
 		digits_d *= TTMATH_BITS_PER_UINT;
 		digits_d += index + 1;
 		digits_d *= ToStringLog2(b);
diff --git a/ttmath/win64_assemble.bat b/ttmath/win64_assemble.bat
new file mode 100644
index 0000000..8d441ff
--- /dev/null
+++ b/ttmath/win64_assemble.bat
@@ -0,0 +1,9 @@
+rem make sure this is a proper path to the 64 bit assembler
+"C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\bin\amd64\ml64.exe" /c ttmathuint_x86_64_msvc.asm
+rem ml64.exe will produce ttmathuint_x86_64_msvc.obj which should be added (linked) to your project
+
+rem or you can assemble with debug info
+rem ml64.exe /c /Zd /Zi ttmathuint_x86_64_msvc.asm
+
+rem be nice, most Windows users just click on the file
+pause