diff -urN 08-STYMulator-0.21a_unintended_behaviour/src/stsoundlib/Ymload.cpp 09-STYMulator-0.21a-avoid_multichar_endian_issues/src/stsoundlib/Ymload.cpp
--- 08-STYMulator-0.21a_unintended_behaviour/src/stsoundlib/Ymload.cpp	2010-04-21 19:00:26.917503380 +0200
+++ 09-STYMulator-0.21a-avoid_multichar_endian_issues/src/stsoundlib/Ymload.cpp	2010-04-21 19:01:01.646085383 +0200
@@ -239,7 +239,7 @@
 		id = ReadBigEndian32((unsigned char*)pBigMalloc);
 		switch (id)
 		{
-			case 'YM2!':		// MADMAX specific.
+			case 0x594d3221 /*'YM2!'*/:		// MADMAX specific.
 				songType = YM_V2;
 				nbFrame = (fileSize-4)/14;
 				loopFrame = 0;
@@ -256,7 +256,7 @@
 				pSongPlayer = mstrdup("YM-Chip driver.");
 				break;
 
-			case 'YM3!':		// Standart YM-Atari format.
+			case 0x594d3321 /*'YM3!'*/:		// Standart YM-Atari format.
 				songType = YM_V3;
 				nbFrame = (fileSize-4)/14;
 				loopFrame = 0;
@@ -273,7 +273,7 @@
 				pSongPlayer = mstrdup("YM-Chip driver.");
 				break;
 
-			case 'YM3b':		// Standart YM-Atari format + Loop info.
+			case 0x594d3362 /*'YM3b'*/:		// Standart YM-Atari format + Loop info.
 				pUD = (ymu8*)(pBigMalloc+fileSize-4);
 				songType = YM_V3;
 				nbFrame = (fileSize-4)/14;
@@ -291,13 +291,13 @@
 				pSongPlayer = mstrdup("YM-Chip driver.");
 				break;
 
-			case 'YM4!':		// Extended ATARI format.
+			case 0x594d3421 /*'YM4!'*/:		// Extended ATARI format.
 				setLastError("No more YM4! support. Use YM5! format.");
 				return YMFALSE;
 				break;
 
-			case 'YM5!':		// Extended YM2149 format, all machines.
-			case 'YM6!':		// Extended YM2149 format, all machines.
+			case 0x594d3521 /*'YM5!'*/:		// Extended YM2149 format, all machines.
+			case 0x594d3621 /*'YM6!'*/:		// Extended YM2149 format, all machines.
 				if (strncmp((const char*)(pBigMalloc+4),"LeOnArD!",8))
 				{
 					setLastError("Not a valid YM format !");
@@ -345,7 +345,7 @@
 				pSongAuthor = readNtString((char**)&ptr);
 				pSongComment = readNtString((char**)&ptr);
 				songType = YM_V5;
-				if (id=='YM6!')
+				if (id==0x594d3621/*'YM6!'*/)
 				{
 					songType = YM_V6;
 					pSongType = mstrdup("YM 6");
@@ -360,7 +360,7 @@
 				pSongPlayer = mstrdup("YM-Chip driver.");
 				break;
 
-			case 'MIX1':		// ATARI Remix digit format.
+			case 0x4d495831 /*'MIX1'*/:		// ATARI Remix digit format.
 
 				if (strncmp((const char*)(pBigMalloc+4),"LeOnArD!",8))
 				{
@@ -401,8 +401,8 @@
 
 				break;
 
-			case 'YMT1':		// YM-Tracker
-			case 'YMT2':		// YM-Tracker
+			case 0x594d5431 /*'YMT1'*/:		// YM-Tracker
+			case 0x594d5432 /*'YMT2'*/:		// YM-Tracker
 /*;
 ; Format du YM-Tracker-1
 ;
@@ -442,7 +442,7 @@
 					{
 						pDrumTab[i].size = readMotorolaWord(&ptr);
 						pDrumTab[i].repLen = pDrumTab[i].size;
-						if ('YMT2' == id)
+						if (0x594d5432/*'YMT2'*/ == id)
 						{
 							pDrumTab[i].repLen = readMotorolaWord(&ptr);	// repLen
 							readMotorolaWord(&ptr);		// flag
@@ -466,7 +466,7 @@
 				}
 
 				ymTrackerFreqShift = 0;
-				if ('YMT2' == id)
+				if (0x594d5432/*'YMT2'*/ == id)
 				{
 					ymTrackerFreqShift = (attrib>>28)&15;
 					attrib &= 0x0fffffff;