diff --git a/src/newgrf_text.cpp b/src/newgrf_text.cpp
--- a/src/newgrf_text.cpp
+++ b/src/newgrf_text.cpp
@@ -291,6 +291,9 @@ char *TranslateTTDPatchCodes(uint32 grfi
 					case 8:
 						d += Utf8Encode(d, SCC_NEWGRF_PRINT_HEX_DWORD);
 						break;
+					case 0x0B:
+						d += Utf8Encode(d, SCC_NEWGRF_PRINT_HEX_QWORD);
+						break;
 
 					default:
 						grfmsg(1, "missing handler for extended format code");
@@ -650,6 +653,7 @@ uint RemapNewGRFStringControlCode(uint s
 
 			case SCC_NEWGRF_PRINT_HEX_BYTE:       *argv = _newgrf_textrefstack->PopUnsignedByte();  break;
 			case SCC_NEWGRF_PRINT_HEX_DWORD:      *argv = _newgrf_textrefstack->PopUnsignedDWord(); break;
+			case SCC_NEWGRF_PRINT_HEX_QWORD:      *argv = _newgrf_textrefstack->PopSignedQWord(); break;
 
 			case SCC_NEWGRF_PRINT_HEX_WORD:
 			case SCC_NEWGRF_PRINT_WORD_SPEED:
@@ -682,6 +686,7 @@ uint RemapNewGRFStringControlCode(uint s
 		case SCC_NEWGRF_PRINT_HEX_BYTE:
 		case SCC_NEWGRF_PRINT_HEX_WORD:
 		case SCC_NEWGRF_PRINT_HEX_DWORD:
+		case SCC_NEWGRF_PRINT_HEX_QWORD:
 			return SCC_HEX;
 
 		case SCC_NEWGRF_PRINT_DWORD_CURRENCY:
diff --git a/src/stdafx.h b/src/stdafx.h
--- a/src/stdafx.h
+++ b/src/stdafx.h
@@ -276,9 +276,11 @@
 /* MSVCRT of course has to have a different syntax for long long *sigh* */
 #if defined(_MSC_VER) || defined(__MINGW32__)
 	#define OTTD_PRINTF64 "%I64d"
+	#define OTTD_PRINTFHEX64 "%I64x"
 	#define PRINTF_SIZE "%Iu"
 #else
 	#define OTTD_PRINTF64 "%lld"
+	#define OTTD_PRINTFHEX64 "%llx"
 	#define PRINTF_SIZE "%zu"
 #endif
 
diff --git a/src/strings.cpp b/src/strings.cpp
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -233,9 +233,9 @@ static char *FormatZerofillNumber(char *
 	return FormatNumber(buff, number, last, "", 20 - count);
 }
 
-static char *FormatHexNumber(char *buff, int64 number, const char *last)
+static char *FormatHexNumber(char *buff, uint64 number, const char *last)
 {
-	return buff + seprintf(buff, last, "0x%x", (uint32)number);
+	return buff + seprintf(buff, last, "0x" OTTD_PRINTFHEX64, number);
 }
 
 /**
@@ -859,7 +859,7 @@ static char *FormatString(char *buff, co
 			} break;
 
 			case SCC_HEX: // {HEX}
-				buff = FormatHexNumber(buff, GetInt64(&argv), last);
+				buff = FormatHexNumber(buff, (uint64)GetInt64(&argv), last);
 				break;
 
 			case SCC_BYTES: // {BYTES}
diff --git a/src/table/control_codes.h b/src/table/control_codes.h
--- a/src/table/control_codes.h
+++ b/src/table/control_codes.h
@@ -123,6 +123,7 @@ enum StringControlCode {
 	SCC_NEWGRF_PRINT_HEX_BYTE,                 ///< Read 1 byte from the stack and print it as hex
 	SCC_NEWGRF_PRINT_HEX_WORD,                 ///< Read 2 bytes from the stack and print it as hex
 	SCC_NEWGRF_PRINT_HEX_DWORD,                ///< Read 4 bytes from the stack and print it as hex
+	SCC_NEWGRF_PRINT_HEX_QWORD,                ///< Read 8 bytes from the stack and print it as hex
 	SCC_NEWGRF_PUSH_WORD,                      ///< Pushes 2 bytes onto the stack
 	SCC_NEWGRF_UNPRINT,                        ///< "Unprints" the given number of bytes from the string
 	SCC_NEWGRF_DISCARD_WORD,                   ///< Discard the next two bytes