MORTEVIELLE: Silent a bunch of GCC warnings and errors

17 files changed, 614 insertions, 620 deletions

diff --git a/engines/mortevielle/actions.cpp b/engines/mortevielle/actions.cpp
index 49d6a00c0a..56c87efdf8 100644
--- a/engines/mortevielle/actions.cpp
+++ b/engines/mortevielle/actions.cpp
@@ -49,13 +49,13 @@ namespace Mortevielle {
 void fctMove() {
 	int cx;
 
-	if ((s.mlieu == 26) && (msg[4] == g_vm->_menu._moveMenu[6])) {
-		s.mlieu = 15;
-		caff = s.mlieu;
+	if ((g_s.mlieu == 26) && (g_msg[4] == g_vm->_menu._moveMenu[6])) {
+		g_s.mlieu = 15;
+		caff = g_s.mlieu;
 		afdes(0);
-		repon(2, s.mlieu);
+		repon(2, g_s.mlieu);
 	}
-	if ((s.mlieu == 15) && (msg[4] == g_vm->_menu._moveMenu[6])) {
+	if ((g_s.mlieu == 15) && (g_msg[4] == g_vm->_menu._moveMenu[6])) {
 		if (!syn)
 			ecr3(g_vm->getEngineString(S_GO_TO));
 		tfleche();
@@ -64,21 +64,21 @@ void fctMove() {
 		if ((anyone) || (iesc))
 			return;
 		tcoord(1);
-		if (num == 0)
+		if (g_num == 0)
 			return;
-		if (num == 1) {
-			s.mlieu = 0;
+		if (g_num == 1) {
+			g_s.mlieu = 0;
 			tmlieu(0);
-		} else if (num == 7) {
-			s.mlieu = 13;
+		} else if (g_num == 7) {
+			g_s.mlieu = 13;
 			tmlieu(13);
-		} else if (num != 6)
-			s.mlieu = 26;
-		if ((num > 1) && (num < 6))
-			ment = num - 1;
-		if (num > 7)
-			ment = num - 3;
-		if (num != 6)
+		} else if (g_num != 6)
+			g_s.mlieu = 26;
+		if ((g_num > 1) && (g_num < 6))
+			ment = g_num - 1;
+		if (g_num > 7)
+			ment = g_num - 3;
+		if (g_num != 6)
 			affrep();
 		else
 			aldepl();
@@ -88,56 +88,56 @@ void fctMove() {
 	cx = 0;
 	do {
 		++cx;
-	} while (g_vm->_menu._moveMenu[cx] != msg[4]);
-	if (s.mlieu == 19) {
+	} while (g_vm->_menu._moveMenu[cx] != g_msg[4]);
+	if (g_s.mlieu == 19) {
 		if (cx == 1)
 			t1deva();
 		if (cx == 2)
 			t1neig();
 		goto L2;
 	}
-	if (s.mlieu == 23) {
+	if (g_s.mlieu == 23) {
 		if (cx == 1)
 			t1deau();
 		if (cx == 2)
 			t1derr();
 		goto L2;
 	}
-	if ((s.mlieu == 11) && (cx == 1))
+	if ((g_s.mlieu == 11) && (cx == 1))
 		cx = 6;
-	if (s.mlieu == 12) {
+	if (g_s.mlieu == 12) {
 		if (cx == 2)
 			cx = 6;
 		if (cx == 5)
 			cx = 16;
 	}
-	if ((s.mlieu == 14) && (cx == 3))
+	if ((g_s.mlieu == 14) && (cx == 3))
 		cx = 6;
-	if (((s.mlieu == 15) || (s.mlieu == 26)) && (cx == 4))
+	if (((g_s.mlieu == 15) || (g_s.mlieu == 26)) && (cx == 4))
 		cx = 6;
-	if ((s.mlieu > 19) && (s.mlieu != 26))
+	if ((g_s.mlieu > 19) && (g_s.mlieu != 26))
 		cx += 10;
-	if ((s.mlieu == 20) && (cx == 13))
+	if ((g_s.mlieu == 20) && (cx == 13))
 		cx = 16;
-	if (s.mlieu == 21) {
+	if (g_s.mlieu == 21) {
 		if (cx == 12)
 			cx = 16;
 		else if (cx > 13)
 			cx = 15;
 	}
-	if ((s.mlieu == 22) && (cx > 14))
+	if ((g_s.mlieu == 22) && (cx > 14))
 		cx = 15;
-	if ((s.mlieu == 24) && (cx != 17))
+	if ((g_s.mlieu == 24) && (cx != 17))
 		if (cx > 13)
 			cx = 15;
 	if (cx == 1)
-		s.mlieu = 11;
+		g_s.mlieu = 11;
 	else if (cx == 2)
-		s.mlieu = 12;
+		g_s.mlieu = 12;
 	else if (cx == 3)
-		s.mlieu = 14;
+		g_s.mlieu = 14;
 	else if (cx == 4)
-		s.mlieu = 15;
+		g_s.mlieu = 15;
 	else if (cx == 5)
 		cx = 12;
 	if (cx == 6)
@@ -147,31 +147,31 @@ void fctMove() {
 	else if (cx == 12)
 		t1deva();
 	else if (cx == 13)
-		s.mlieu = 20;
+		g_s.mlieu = 20;
 	else if (cx == 14)
-		s.mlieu = 24;
+		g_s.mlieu = 24;
 	else if (cx == 15)
 		t1neig();
 	else if (cx == 16)
 		t1derr();
 	else if (cx == 17) {
-		if ((s.ipuit != 120) && (s.ipuit != 140))
+		if ((g_s.ipuit != 120) && (g_s.ipuit != 140))
 			crep = 997;
-		else if (s.ipuit == 120)
+		else if (g_s.ipuit == 120)
 			crep = 181;
-		else if (s.conf > 80) {
+		else if (g_s.conf > 80) {
 			crep = 1505;
 			tperd();
 		} else {
-			s.mlieu = 23;
+			g_s.mlieu = 23;
 			affrep();
 		}
 	}
 	if ((cx < 5) || (cx == 13) || (cx == 14))
 		affrep();
-	debloc(s.mlieu);
+	debloc(g_s.mlieu);
 L2:
-	tmlieu(s.mlieu);
+	tmlieu(g_s.mlieu);
 }
 
 /**
@@ -184,24 +184,24 @@ void fctTake() {
 		avpoing(cx);
 		if (crep != 139) {
 			if (ipers > 0)
-				s.conf += 3;
+				g_s.conf += 3;
 			if (obpart) {
-				if (s.mlieu == 2)
-					s.iloic = 0;
-				if (s.mlieu == 13) {
-					if (s.iboul == caff)
-						s.iboul = 0;
-					if (s.ibag == caff)
-						s.ibag = 0;
+				if (g_s.mlieu == 2)
+					g_s.iloic = 0;
+				if (g_s.mlieu == 13) {
+					if (g_s.iboul == caff)
+						g_s.iboul = 0;
+					if (g_s.ibag == caff)
+						g_s.ibag = 0;
 				}
-				if (s.mlieu == 14)
-					s.icave = 0;
-				if (s.mlieu == 16)
-					s.icryp = 0;
-				if (s.mlieu == 17)
-					s.ivier = 0;
-				if (s.mlieu == 24)
-					s.ipuit = 0;
+				if (g_s.mlieu == 14)
+					g_s.icave = 0;
+				if (g_s.mlieu == 16)
+					g_s.icryp = 0;
+				if (g_s.mlieu == 17)
+					g_s.ivier = 0;
+				if (g_s.mlieu == 24)
+					g_s.ipuit = 0;
 				mfouen();
 				obpart = false;
 				affrep();
@@ -210,7 +210,7 @@ void fctTake() {
 				tsuiv();
 				++dobj;
 				if (dobj > 6) {
-					s.conf += 2;
+					g_s.conf += 2;
 					dobj = 0;
 				}
 			}
@@ -224,46 +224,46 @@ void fctTake() {
 		return;
 	if (caff == 3) {
 		tcoord(2);
-		if (num == 1) {
+		if (g_num == 1) {
 			crep = 152;
 			return;
 		}
 	}
 	tcoord(5);
-	if ((num == 0) || ((num == 1) && (s.mlieu == 16))) {
+	if ((g_num == 0) || ((g_num == 1) && (g_s.mlieu == 16))) {
 		tcoord(8);
-		if (num != 0) {
+		if (g_num != 0) {
 			if (ipers > 0)
-				s.conf += 3;
+				g_s.conf += 3;
 			crep = 997;
-			if ((s.mlieu == 2) && (s.iloic != 0))
-				avpoing(s.iloic);
-			if ((s.mlieu == 13) && (num == 1) && (s.iboul != 0)) {
-				avpoing(s.iboul);
+			if ((g_s.mlieu == 2) && (g_s.iloic != 0))
+				avpoing(g_s.iloic);
+			if ((g_s.mlieu == 13) && (g_num == 1) && (g_s.iboul != 0)) {
+				avpoing(g_s.iboul);
 				if ((crep != 997) && (crep != 139))
 					aniof(2, 7);
 			}
-			if ((s.mlieu == 13) && (num == 2) && (s.ibag != 0)) {
-				avpoing(s.ibag);
+			if ((g_s.mlieu == 13) && (g_num == 2) && (g_s.ibag != 0)) {
+				avpoing(g_s.ibag);
 				if ((crep != 997) && (crep != 139))
 					aniof(2, 6);
 			}
-			if ((s.mlieu == 14) && (s.icave != 0)) {
-				avpoing(s.icave);
+			if ((g_s.mlieu == 14) && (g_s.icave != 0)) {
+				avpoing(g_s.icave);
 				if ((crep != 997) && (crep != 139))
 					aniof(2, 2);
 			}
-			if ((s.mlieu == 16) && (s.icryp != 0))
-				avpoing(s.icryp);
-			if ((s.mlieu == 17) && (s.ivier != 0)) {
-				avpoing(s.ivier);
+			if ((g_s.mlieu == 16) && (g_s.icryp != 0))
+				avpoing(g_s.icryp);
+			if ((g_s.mlieu == 17) && (g_s.ivier != 0)) {
+				avpoing(g_s.ivier);
 				if ((crep != 997) && (crep != 139)) {
 					crep = 182;
 					aniof(2, 1);
 				}
 			}
-			if ((s.mlieu == 24) && (s.ipuit != 0)) {
-				avpoing(s.ipuit);
+			if ((g_s.mlieu == 24) && (g_s.ipuit != 0)) {
+				avpoing(g_s.ipuit);
 				if ((crep != 997) && (crep != 139))
 					aniof(2, 1);
 			}
@@ -271,15 +271,15 @@ void fctTake() {
 				crep = 999;
 		}
 	} else {
-		if ( ((s.mlieu == 0)  && (num == 3)) || ((s.mlieu == 1)  && (num == 4))
-		  || ((s.mlieu == 2)  && (num == 1)) || ((s.mlieu == 4)  && (num == 3))
-		  || ((s.mlieu == 5)  && (num == 6)) || ((s.mlieu == 6)  && (num == 2))
-		  || ((s.mlieu == 7)  && (num == 6)) || ((s.mlieu == 8)  && (num == 4))
-		  || ((s.mlieu == 9)  && (num == 4)) || ((s.mlieu == 10) && (num > 2))
-		  || ((s.mlieu == 11) && (num == 7)) || ((s.mlieu == 12) && (num == 6))
-		  || ((s.mlieu == 13) && (num > 4))  || ((s.mlieu > 13)  && (s.mlieu != 23)) )
+		if ( ((g_s.mlieu == 0)  && (g_num == 3)) || ((g_s.mlieu == 1)  && (g_num == 4))
+		  || ((g_s.mlieu == 2)  && (g_num == 1)) || ((g_s.mlieu == 4)  && (g_num == 3))
+		  || ((g_s.mlieu == 5)  && (g_num == 6)) || ((g_s.mlieu == 6)  && (g_num == 2))
+		  || ((g_s.mlieu == 7)  && (g_num == 6)) || ((g_s.mlieu == 8)  && (g_num == 4))
+		  || ((g_s.mlieu == 9)  && (g_num == 4)) || ((g_s.mlieu == 10) && (g_num > 2))
+		  || ((g_s.mlieu == 11) && (g_num == 7)) || ((g_s.mlieu == 12) && (g_num == 6))
+		  || ((g_s.mlieu == 13) && (g_num > 4))  || ((g_s.mlieu > 13)  && (g_s.mlieu != 23)) )
 		  crep = 997;
-		else if (s.mlieu == 23) {
+		else if (g_s.mlieu == 23) {
 			crep = 1504;
 			tperd();
 		} else
@@ -296,16 +296,16 @@ void fctInventoryTake() {
 	cx = 0;
 	do {
 		++cx;
-	} while (g_vm->_menu._inventoryMenu[cx] != msg[4]);
+	} while (g_vm->_menu._inventoryMenu[cx] != g_msg[4]);
 	cz = 0;
 	cy = 0;
 	do {
 		++cy;
-		if (ord(s.sjer[cy]) != 0)
+		if (ord(g_s.sjer[cy]) != 0)
 			++cz;
 	} while (cz != cx);
-	cz = ord(s.sjer[cy]);
-	s.sjer[cy] = chr(0);
+	cz = ord(g_s.sjer[cy]);
+	g_s.sjer[cy] = chr(0);
 	modinv();
 	avpoing(cz);
 	crep = 998;
@@ -325,25 +325,25 @@ void fctLift() {
 	if ((anyone) || (iesc))
 		return;
 	tcoord(3);
-	if (num == 0) {
+	if (g_num == 0) {
 		tcoord(8);
-		if (num != 0) {
+		if (g_num != 0) {
 			if (ipers > 0)
-				++s.conf;
+				++g_s.conf;
 			crep = 997;
-			if ((s.mlieu == 2) && (s.iloic != 0))
-				treg(s.iloic);
+			if ((g_s.mlieu == 2) && (g_s.iloic != 0))
+				treg(g_s.iloic);
 		}
 		return;
 	}
 	if (ipers > 0)
-		++s.conf;
-	cx = s.mlieu;
-	if (s.mlieu == 16)
+		++g_s.conf;
+	cx = g_s.mlieu;
+	if (g_s.mlieu == 16)
 		cx = 14;
-	else if (s.mlieu == 19)
+	else if (g_s.mlieu == 19)
 		cx = 15;
-	crep = tabdon[asoul + (cx << 3) + (num - 1)];
+	crep = tabdon[asoul + (cx << 3) + (g_num - 1)];
 	if (crep == 255)
 		crep = 997;
 }
@@ -361,7 +361,7 @@ void fctRead() {
 		tfleche();
 		if (!(anyone) && !(iesc)) {
 			tcoord(4);
-			if (num != 0)
+			if (g_num != 0)
 				crep = 107;
 		}
 	}
@@ -372,10 +372,10 @@ void fctRead() {
  * @remarks	Originally called 'tslire'
  */
 void fctSelfRead() {
-	if (s.derobj == 0)
+	if (g_s.derobj == 0)
 		crep = 186;
 	else
-		st4(s.derobj);
+		st4(g_s.derobj);
 }
 
 /**
@@ -395,64 +395,64 @@ void fctLook() {
 	if ((anyone) || (iesc))
 		return;
 	tcoord(5);
-	if (num == 0) {
+	if (g_num == 0) {
 		tcoord(8);
 		crep = 131;
-		if (num != 0) {
-			if (s.mlieu == 13) {
-				if (num == 1) {
+		if (g_num != 0) {
+			if (g_s.mlieu == 13) {
+				if (g_num == 1) {
 					crep = 164;
-					if (s.ibag != 0)
-						treg(s.ibag);
-					else if (s.iboul != 0)
-						treg(s.iboul);
+					if (g_s.ibag != 0)
+						treg(g_s.ibag);
+					else if (g_s.iboul != 0)
+						treg(g_s.iboul);
 				} else {
 					crep = 193;
-					if (s.ibag != 0)
-						treg(s.ibag);
+					if (g_s.ibag != 0)
+						treg(g_s.ibag);
 				}
 			}
-			if (s.mlieu == 14) {
+			if (g_s.mlieu == 14) {
 				crep = 164;
-				if (s.icave != 0)
-					treg(s.icave);
+				if (g_s.icave != 0)
+					treg(g_s.icave);
 			}
-			if (s.mlieu == 17) {
+			if (g_s.mlieu == 17) {
 				crep = 174;
-				if (s.ivier != 0)
-					treg(s.ivier);
+				if (g_s.ivier != 0)
+					treg(g_s.ivier);
 			}
-			if (s.mlieu == 24) {
+			if (g_s.mlieu == 24) {
 				crep = 131;
-				if (s.ipuit != 0)
-					treg(s.ipuit);
+				if (g_s.ipuit != 0)
+					treg(g_s.ipuit);
 			}
 		}
 		return;
 	}
-	cx = s.mlieu;
-	if (s.mlieu == 20)
+	cx = g_s.mlieu;
+	if (g_s.mlieu == 20)
 		cx = 17;
-	if ((s.mlieu > 21) && (s.mlieu < 25))
+	if ((g_s.mlieu > 21) && (g_s.mlieu < 25))
 		cx -= 4;
-	if (s.mlieu == 26)
+	if (g_s.mlieu == 26)
 		cx = 21;
-	crep = tabdon[arega + (cx * 7) + num - 1];
-	if ((s.mlieu == 13) && (num == 8))
+	crep = tabdon[arega + (cx * 7) + g_num - 1];
+	if ((g_s.mlieu == 13) && (g_num == 8))
 		crep = 126;
-	if (s.mlieu == 19)
+	if (g_s.mlieu == 19)
 		crep = 103;
 	if (crep == 255)
 		crep = 131;
-	if ((s.mlieu == 1) && (num == 1))
+	if ((g_s.mlieu == 1) && (g_num == 1))
 		treg(144);
-	if ((s.mlieu == 5) && (num == 3))
+	if ((g_s.mlieu == 5) && (g_num == 3))
 		treg(147);
-	if ((s.mlieu == 8) && (num == 3))
+	if ((g_s.mlieu == 8) && (g_num == 3))
 		treg(149);
-	if ((s.mlieu == 9) && (num == 2))
+	if ((g_s.mlieu == 9) && (g_num == 2))
 		treg(30);
-	if ((s.mlieu == 10) && (num == 3))
+	if ((g_s.mlieu == 10) && (g_num == 3))
 		treg(31);
 }
 
@@ -461,8 +461,8 @@ void fctLook() {
  * @remarks	Originally called 'tsregarder'
  */
 void fctSelftLook() {
-	if (s.derobj != 0)
-		treg(s.derobj);
+	if (g_s.derobj != 0)
+		treg(g_s.derobj);
 	else
 		crep = 186;
 }
@@ -486,25 +486,25 @@ void fctSearch() {
 	if (anyone || iesc)
 		return;
 
-	if (s.mlieu == 23) {
+	if (g_s.mlieu == 23) {
 		crep = 1504;
 		tperd();
 		return;
 	}
 
 	tcoord(6);
-	if (num == 0) {
+	if (g_num == 0) {
 		tcoord(7);
-		if (num != 0) {
+		if (g_num != 0) {
 			int cx = 0;
 			do {
 				++cx;
-			} while ((cx <= 6) && (num != ord(touv[cx])));
-			if (num != ord(touv[cx]))
+			} while ((cx <= 6) && (g_num != ord(touv[cx])));
+			if (g_num != ord(touv[cx]))
 				crep = 187;
 			else {
 				if (ipers > 0)
-					s.conf += 3;
+					g_s.conf += 3;
 
 				rechai(mchai);
 				if (mchai != 0) {
@@ -519,43 +519,43 @@ void fctSearch() {
 		} else {
 			tcoord(8);
 			crep = 997;
-			if (num != 0) {
+			if (g_num != 0) {
 				if (ipers > 0)
-					s.conf += 3;
-				if ((s.mlieu != 24) && (s.mlieu != 17) && (s.mlieu != 13)) {
-					if (s.mlieu == 2) {
+					g_s.conf += 3;
+				if ((g_s.mlieu != 24) && (g_s.mlieu != 17) && (g_s.mlieu != 13)) {
+					if (g_s.mlieu == 2) {
 						crep = 123;
-						if (s.iloic != 0)
-							treg(s.iloic);
+						if (g_s.iloic != 0)
+							treg(g_s.iloic);
 					}
-					if (s.mlieu == 16) {
+					if (g_s.mlieu == 16) {
 						crep = 123;
-						if (s.icryp != 0)
-							treg(s.icryp);
+						if (g_s.icryp != 0)
+							treg(g_s.icryp);
 					}
 				}
 			}
 		}
 	} else {
 		if (ipers > 0)
-			s.conf += 3;
+			g_s.conf += 3;
 		crep = 997;
-		if (s.mlieu < 14)
-			crep = r[s.mlieu];
+		if (g_s.mlieu < 14)
+			crep = r[g_s.mlieu];
 
-		if ((s.mlieu == 3) && (num == 2))
+		if ((g_s.mlieu == 3) && (g_num == 2))
 			crep = 162;
 
-		if (s.mlieu == 12) {
-			if ((num == 3) || (num == 4))
+		if (g_s.mlieu == 12) {
+			if ((g_num == 3) || (g_num == 4))
 				crep = 162;
-			else if (num == 5)
+			else if (g_num == 5)
 				crep = 159;
 		}
 
-		if (s.mlieu == 19)
+		if (g_s.mlieu == 19)
 			crep = 104;
-		else if (s.mlieu == 16)
+		else if (g_s.mlieu == 16)
 			crep = 155;
 	}
 }
@@ -565,8 +565,8 @@ void fctSearch() {
  * @remarks	Originally called 'tsfouiller'
  */
 void fctSelfSearch() {
-	if (s.derobj != 0)
-		st7(s.derobj);
+	if (g_s.derobj != 0)
+		st7(g_s.derobj);
 	else
 		crep = 186;
 }
@@ -581,7 +581,7 @@ void fctOpen() {
 
 	if (caff == 26) {
 		if (ment != 0) {
-			msg[4] = OPCODE_ENTER;
+			g_msg[4] = OPCODE_ENTER;
 			syn = true;
 		} else
 			crep = 997;
@@ -598,34 +598,34 @@ void fctOpen() {
 		return;
 
 	tcoord(7);
-	if (num != 0) {
+	if (g_num != 0) {
 		if (ipers > 0)
-			s.conf += 2;
+			g_s.conf += 2;
 		++iouv;
 		int cx = 0;
 		do {
 			++cx;
-		} while (!((cx > 6) || (ord(touv[cx]) == 0) || (ord(touv[cx]) == num)));
-		if (ord(touv[cx]) != num) {
-			if (!( ((num == 3) && ((s.mlieu == 0) || (s.mlieu == 9) || (s.mlieu == 5) || (s.mlieu == 7)))
-			    || ((num == 4) && ((s.mlieu == 1) || (s.mlieu == 2) || (s.mlieu == 6)))
-				|| ((s.mlieu == 4) && (num == 5))
-				|| ((num == 6) && ((s.mlieu == 7) || (s.mlieu == 10) || (s.mlieu == 8) || (s.mlieu == 13)))
-				|| ((s.mlieu == 8) && (num == 2))
-				|| ((s.mlieu == 12) && (num == 7))) ) {
-				if ( ((s.mlieu > 10) && (s.mlieu < 14))
-				  || ((s.mlieu > 6) && (s.mlieu < 10))
-				  || (s.mlieu == 0) || (s.mlieu == 2) || (s.mlieu == 5)) {
+		} while (!((cx > 6) || (ord(touv[cx]) == 0) || (ord(touv[cx]) == g_num)));
+		if (ord(touv[cx]) != g_num) {
+			if (!( ((g_num == 3) && ((g_s.mlieu == 0) || (g_s.mlieu == 9) || (g_s.mlieu == 5) || (g_s.mlieu == 7)))
+			    || ((g_num == 4) && ((g_s.mlieu == 1) || (g_s.mlieu == 2) || (g_s.mlieu == 6)))
+				|| ((g_s.mlieu == 4) && (g_num == 5))
+				|| ((g_num == 6) && ((g_s.mlieu == 7) || (g_s.mlieu == 10) || (g_s.mlieu == 8) || (g_s.mlieu == 13)))
+				|| ((g_s.mlieu == 8) && (g_num == 2))
+				|| ((g_s.mlieu == 12) && (g_num == 7))) ) {
+				if ( ((g_s.mlieu > 10) && (g_s.mlieu < 14))
+				  || ((g_s.mlieu > 6) && (g_s.mlieu < 10))
+				  || (g_s.mlieu == 0) || (g_s.mlieu == 2) || (g_s.mlieu == 5)) {
 					if (hazard(1, 4) == 3)
 						parole(7, 9, 1);
 				}
-				touv[cx] = chr(num);
-				aniof(1, num);
+				touv[cx] = chr(g_num);
+				aniof(1, g_num);
 			}
-			cx = s.mlieu;
-			if (s.mlieu == 16)
+			cx = g_s.mlieu;
+			if (g_s.mlieu == 16)
 				cx = 14;
-			crep = tabdon[aouvr + (cx * 7) + num - 1];
+			crep = tabdon[aouvr + (cx * 7) + g_num - 1];
 			if (crep == 254)
 				crep = 999;
 		} else
@@ -638,7 +638,7 @@ void fctOpen() {
  * @remarks	Originally called 'tmettre'
  */
 void fctPlace() {
-	if (s.derobj == 0) {
+	if (g_s.derobj == 0) {
 		crep = 186;
 		return;
 	}
@@ -654,32 +654,32 @@ void fctPlace() {
 		return;
 
 	tcoord(8);
-	if (num != 0) {
+	if (g_num != 0) {
 		crep = 999;
 		if (caff == 13) {
-			if (num == 1) {
-				if (s.iboul != 0) {
+			if (g_num == 1) {
+				if (g_s.iboul != 0) {
 					crep = 188;
 				} else {
-					s.iboul = s.derobj;
-					if (s.derobj == 141)
+					g_s.iboul = g_s.derobj;
+					if (g_s.derobj == 141)
 						aniof(1, 7);
 				}
-			} else if (s.ibag != 0) {
+			} else if (g_s.ibag != 0) {
 				crep = 188;
 			} else {
-				s.ibag = s.derobj;
-				if (s.derobj == 159)
+				g_s.ibag = g_s.derobj;
+				if (g_s.derobj == 159)
 					aniof(1, 6);
 			}
 		}
 
 		if (caff == 14) {
-			if (s.icave != 0) {
+			if (g_s.icave != 0) {
 				crep = 188;
 			} else {
-				s.icave = s.derobj;
-				if (s.derobj == 151) {
+				g_s.icave = g_s.derobj;
+				if (g_s.derobj == 151) {
 					// Open hidden passage
 					aniof(1, 2);
 					aniof(1, 1);
@@ -710,10 +710,10 @@ void fctPlace() {
 
 						g_vm->_menu.displayMenu();
 						if (enterPassageFl) {
-							s.mlieu = 17;
+							g_s.mlieu = 17;
 							tmlieu(17);
 						} else {
-							tmlieu(s.mlieu);
+							tmlieu(g_s.mlieu);
 							writepal(14);
 							dessin(0);
 							aniof(1, 2);
@@ -735,17 +735,17 @@ void fctPlace() {
 		}
 
 		if (caff == 16) {
-			if (s.icryp == 0)
-				s.icryp = s.derobj;
+			if (g_s.icryp == 0)
+				g_s.icryp = g_s.derobj;
 			else
 				crep = 188;
 		}
 
 		if (caff == 17) {
-			if (s.ivier != 0) {
+			if (g_s.ivier != 0) {
 				crep = 188;
-			} else if (s.derobj == 143) {
-				s.ivier = 143;
+			} else if (g_s.derobj == 143) {
+				g_s.ivier = 143;
 				aniof(1, 1);
 			} else {
 				crep = 1512;
@@ -754,10 +754,10 @@ void fctPlace() {
 		}
 
 		if (caff == 24) {
-			if (s.ipuit != 0) {
+			if (g_s.ipuit != 0) {
 				crep = 188;
-			} else if ((s.derobj == 140) || (s.derobj == 120)) {
-				s.ipuit = s.derobj;
+			} else if ((g_s.derobj == 140) || (g_s.derobj == 120)) {
+				g_s.ipuit = g_s.derobj;
 				aniof(1, 1);
 			} else {
 				crep = 185;
@@ -784,9 +784,9 @@ void fctTurn() {
 	if ((anyone) || (iesc))
 		return;
 	tcoord(9);
-	if (num != 0) {
+	if (g_num != 0) {
 		crep = 997;
-		if ((s.mlieu == 13) && (s.ibag == 159) && (s.iboul == 141)) {
+		if ((g_s.mlieu == 13) && (g_s.ibag == 159) && (g_s.iboul == 141)) {
 			repon(2, 167);
 			parole(7, 9, 1);
 			int answer = Alert::show(g_vm->getEngineString(S_YES_NO), 1);
@@ -795,13 +795,13 @@ void fctTurn() {
 			else
 				crep = 168;
 		}
-		if ((s.mlieu == 17) && (s.ivier == 143)) {
+		if ((g_s.mlieu == 17) && (g_s.ivier == 143)) {
 			repon(2, 175);
 			clsf3();
 			parole(6, -9, 1);
 			int answer = Alert::show(g_vm->getEngineString(S_YES_NO), 1);
 			if (answer == 1) {
-				s.mlieu = 16;
+				g_s.mlieu = 16;
 				affrep();
 			} else
 				crep = 176;
@@ -819,7 +819,7 @@ void fctSelfHide() {
 	tfleche();
 	if (!(anyone) && !(iesc)) {
 		tcoord(10);
-		if (num == 0)
+		if (g_num == 0)
 			cache = false;
 		else {
 			cache = true;
@@ -833,7 +833,7 @@ void fctSelfHide() {
  * @remarks	Originally called 'tattacher'
  */
 void fctAttach() {
-	if (s.derobj == 0)
+	if (g_s.derobj == 0)
 		crep = 186;
 	else {
 		if (!syn)
@@ -842,10 +842,10 @@ void fctAttach() {
 		if (!(anyone) && !(iesc)) {
 			tcoord(8);
 			crep = 997;
-			if ((num != 0) && (s.mlieu == 24)) {
+			if ((g_num != 0) && (g_s.mlieu == 24)) {
 				crep = 999;
-				if ((s.derobj == 120) || (s.derobj == 140)) {
-					s.ipuit = s.derobj;
+				if ((g_s.derobj == 120) || (g_s.derobj == 140)) {
+					g_s.ipuit = g_s.derobj;
 					aniof(1, 1);
 				} else
 					crep = 185;
@@ -870,13 +870,13 @@ void fctClose() {
 		if ((anyone) || (iesc))
 			return;
 		tcoord(7);
-		if (num != 0) {
+		if (g_num != 0) {
 			int cx = 0;
 			do {
 				++cx;
-			} while ((cx <= 6) && (num != ord(touv[cx])));
-			if (num == ord(touv[cx])) {
-				aniof(2, num);
+			} while ((cx <= 6) && (g_num != ord(touv[cx])));
+			if (g_num == ord(touv[cx])) {
+				aniof(2, g_num);
 				crep = 998;
 				touv[cx] = chr(0);
 				iouv = iouv - 1;
@@ -901,15 +901,15 @@ void fctKnock() {
 	if (!syn)
 		ecr3(g_vm->getEngineString(S_HIT));
 
-	if (s.mlieu == 15) {
+	if (g_s.mlieu == 15) {
 		Alert::show(g_vm->getEngineString(S_BEFORE_USE_DEP_MENU), 1);
 		return;
 	}
 
-	if (s.mlieu < 25) {
+	if (g_s.mlieu < 25) {
 		tfleche();
 		if (!(anyone) && !(iesc)) {
-			if ((s.mlieu < 19) && (s.mlieu != 15))
+			if ((g_s.mlieu < 19) && (g_s.mlieu != 15))
 				crep = 133;
 			else
 				crep = 997;
@@ -918,11 +918,11 @@ void fctKnock() {
 		return;
 	}
 
-	if (s.mlieu == 26) {
+	if (g_s.mlieu == 26) {
 		int haz = (hazard(0, 8)) - 4;
 		parole(11, haz, 1);
 		int p;
-		ecfren(p, haz, s.conf, ment);
+		ecfren(p, haz, g_s.conf, ment);
 		int l = ment;
 		if (l != 0) {
 			if (p != -500) {
@@ -948,7 +948,7 @@ void fctKnock() {
 void fctSelfPut() {
 	if (!syn)
 		ecr3(g_vm->getEngineString(S_POSE));
-	if (s.derobj == 0)
+	if (g_s.derobj == 0)
 		crep = 186;
 	else {
 		if (caff > 99) {
@@ -963,7 +963,7 @@ void fctSelfPut() {
 			return;
 		tcoord(7);
 		crep = 124;
-		if (num != 0) {
+		if (g_num != 0) {
 			int chai;
 			rechai(chai);
 			if (chai == 0)
@@ -972,8 +972,8 @@ void fctSelfPut() {
 				int cx = 0;
 				do {
 					++cx;
-				} while ((cx <= 6) && (num != ord(touv[cx])));
-				if (num != ord(touv[cx]))
+				} while ((cx <= 6) && (g_num != ord(touv[cx])));
+				if (g_num != ord(touv[cx]))
 					crep = 187;
 				else {
 					mchai = chai;
@@ -982,33 +982,33 @@ void fctSelfPut() {
 			}
 		} else {
 			tcoord(8);
-			if (num != 0) {
+			if (g_num != 0) {
 				crep = 998;
 				if (caff == 2) {
-					if (s.iloic != 0)
+					if (g_s.iloic != 0)
 						crep = 188;
 					else
-						s.iloic = s.derobj;
+						g_s.iloic = g_s.derobj;
 				}
 
 				if (caff == 13) {
-					if (num == 1) {
-						if (s.iboul != 0)
+					if (g_num == 1) {
+						if (g_s.iboul != 0)
 							crep = 188;
 						else
-							s.iboul = s.derobj;
-					} else if (s.ibag != 0) {
+							g_s.iboul = g_s.derobj;
+					} else if (g_s.ibag != 0) {
 						crep = 188;
 					} else {
-						s.ibag = s.derobj;
+						g_s.ibag = g_s.derobj;
 					}
 				}
 
 				if (caff == 16) {
-					if (s.icryp != 0)
+					if (g_s.icryp != 0)
 						crep = 188;
 					else
-						s.icryp = s.derobj;
+						g_s.icryp = g_s.derobj;
 				}
 
 				if (caff == 24)
@@ -1019,7 +1019,7 @@ void fctSelfPut() {
 				crep = 124;
 				if (caff == 24) {
 					tcoord(5);
-					if (num != 0)
+					if (g_num != 0)
 						crep = 185;
 				}
 			}
@@ -1040,13 +1040,13 @@ void fctSelfPut() {
  * @remarks	Originally called 'tecouter'
  */
 void fctListen() {
-	if (s.mlieu != 26)
+	if (g_s.mlieu != 26)
 		crep = 101;
 	else {
 		if (ipers != 0)
-			++s.conf;
+			++g_s.conf;
 		int p, haz;
-		ecfren(p, haz, s.conf, ment);
+		ecfren(p, haz, g_s.conf, ment);
 		int l = ment;
 		if (l != 0) {
 			if (p != -500) {
@@ -1078,19 +1078,19 @@ void fctListen() {
  * @remarks	Originally called 'tmanger'
  */
 void fctEat() {
-	if ((s.mlieu > 15) && (s.mlieu < 26)) {
+	if ((g_s.mlieu > 15) && (g_s.mlieu < 26)) {
 		crep = 148;
 	} else {
 		tsort();
-		s.mlieu = 10;
+		g_s.mlieu = 10;
 		caff = 10;
-		debloc(s.mlieu);
-		tmlieu(s.mlieu);
+		debloc(g_s.mlieu);
+		tmlieu(g_s.mlieu);
 
 		int j, h, m;
 		calch(j, h, m);
 		if ((h == 12) || (h == 13) || (h == 19)) {
-			s.conf = s.conf - (s.conf / 7);
+			g_s.conf -= (g_s.conf / 7);
 			if (h == 12) {
 				if (m == 0)
 					h = 4;
@@ -1121,16 +1121,16 @@ void fctEat() {
 void fctEnter() {
 //	int x;
 
-	if ((s.mlieu == 21) || (s.mlieu == 22)) {
+	if ((g_s.mlieu == 21) || (g_s.mlieu == 22)) {
 		t1sama();
-		tmlieu(s.mlieu);
-	} else if (s.mlieu == 15)
+		tmlieu(g_s.mlieu);
+	} else if (g_s.mlieu == 15)
 		aldepl();
 	else if (ment == 0)
 		crep = 997;
-	else if ((ment == 9) && (s.derobj != 136)) {
+	else if ((ment == 9) && (g_s.derobj != 136)) {
 			crep = 189;
-			s.teauto[8] = '*';
+			g_s.teauto[8] = '*';
 	} else {
 		int z = 0;
 		if (! blo)
@@ -1144,18 +1144,18 @@ void fctEnter() {
 				aniof(1, 1);
 				
 				tip(z, g_x);
-				++s.conf;
-				s.mlieu = 15;
-				msg[3] = MENU_DISCUSS;
-				msg[4] = g_vm->_menu._discussMenu[g_x];
+				++g_s.conf;
+				g_s.mlieu = 15;
+				g_msg[3] = MENU_DISCUSS;
+				g_msg[4] = g_vm->_menu._discussMenu[g_x];
 				syn = true;
 				if (ment == 9) {
-					col = true;
+					g_col = true;
 					caff = 70;
 					afdes(0);
 					repon(2, caff);
 				} else
-					col = false;
+					g_col = false;
 				debloc(ment);
 				ment = 0;
 			}
@@ -1164,10 +1164,10 @@ void fctEnter() {
 			parole(7, g_x, 1);
 			aniof(1, 1);
 			
-			s.mlieu = ment;
+			g_s.mlieu = ment;
 			affrep();
-			debloc(s.mlieu);
-			tmlieu(s.mlieu);
+			debloc(g_s.mlieu);
+			tmlieu(g_s.mlieu);
 			ment = 0;
 			mpers = 0;
 			ipers = 0;
@@ -1182,17 +1182,17 @@ void fctEnter() {
 void fctSleep() {
 	int z, j, h, m;
 
-	if ((s.mlieu > 15) && (s.mlieu < 26)) {
+	if ((g_s.mlieu > 15) && (g_s.mlieu < 26)) {
 		crep = 148;
 		return;
 	}
-	if (s.mlieu != 0) {
+	if (g_s.mlieu != 0) {
 		tsort();
-		s.mlieu = 0;
+		g_s.mlieu = 0;
 		affrep();
 		afdes(0);
-		debloc(s.mlieu);
-		tmlieu(s.mlieu);
+		debloc(g_s.mlieu);
+		tmlieu(g_s.mlieu);
 	}
 	clsf3();
 	clsf2();
@@ -1203,7 +1203,7 @@ void fctSleep() {
 	int answer;
 	do {
 		if (h < 8) {
-			s.conf = s.conf - (s.conf / 20);
+			g_s.conf -= (g_s.conf / 20);
 			z = (7 - h) * 2;
 			if (m == 30)
 				--z;
@@ -1219,7 +1219,7 @@ void fctSleep() {
 		anyone = false;
 	} while (answer != 1);
 	crep = 998;
-	num = 0;
+	g_num = 0;
 }
 
 /**
@@ -1233,11 +1233,11 @@ void fctForce() {
 		tfleche();
 
 	if ((! anyone) && (! iesc)) {
-		if (s.mlieu != 26)
+		if (g_s.mlieu != 26)
 			crep = 997;
 		else {
 			crep = 143;
-			s.conf += 2;
+			g_s.conf += 2;
 		}
 	}
 }
@@ -1249,27 +1249,27 @@ void fctForce() {
 void fctLeave() {
 	tsort();
 	crep = 0;
-	if ((s.mlieu == 19) || (s.mlieu == 21) || (s.mlieu == 22) || (s.mlieu == 24))
+	if ((g_s.mlieu == 19) || (g_s.mlieu == 21) || (g_s.mlieu == 22) || (g_s.mlieu == 24))
 		crep = 997;
 	else {
 		int lx = 0;
 
-		if ((s.mlieu < 16) || (s.mlieu == 26))
+		if ((g_s.mlieu < 16) || (g_s.mlieu == 26))
 			lx = 10;
-		if ((s.mlieu == 10) || (s.mlieu == 20))
+		if ((g_s.mlieu == 10) || (g_s.mlieu == 20))
 			lx = 21;
-		if ((s.mlieu < 10) || (s.mlieu == 13))
+		if ((g_s.mlieu < 10) || (g_s.mlieu == 13))
 			lx = 15;
-		if (s.mlieu == 16) {
+		if (g_s.mlieu == 16) {
 			lx = 17;
 			crep = 176;
 		}
-		if (s.mlieu == 17)
+		if (g_s.mlieu == 17)
 			t23coul(lx);
-		if (s.mlieu == 23)
+		if (g_s.mlieu == 23)
 			lx = 24;
 		if (crep != 997)
-			s.mlieu = lx;
+			g_s.mlieu = lx;
 		caff = lx;
 		if (crep == 0)
 			crep = lx;
@@ -1293,12 +1293,12 @@ void fctWait() {
 		++jh;
 		tinke();
 		if (!blo)
-			t11(s.mlieu, quel);
+			t11(g_s.mlieu, quel);
 		if ((ipers != 0) && (mpers == 0)) {
 			crep = 998;
-			if ((s.mlieu == 13) || (s.mlieu == 14))
+			if ((g_s.mlieu == 13) || (g_s.mlieu == 14))
 				cavegre();
-			if ((s.mlieu > 0) && (s.mlieu < 10))
+			if ((g_s.mlieu > 0) && (g_s.mlieu < 10))
 				anyone = true;
 			mpers = ipers;
 			if (!anyone)
@@ -1324,7 +1324,7 @@ void fctSound() {
 		tfleche();
 		if (!(anyone) && (!iesc))
 			crep = 145;
-		num = 0;
+		g_num = 0;
 	}
 }
 
@@ -1340,13 +1340,13 @@ void fctDiscuss() {
 	bool f;
 
 	finfouil();
-	if (col)
+	if (g_col)
 		suj = 128;
 	else {
 		cx = 0;
 		do {
 			++cx;
-		} while (g_vm->_menu._discussMenu[cx] != msg[4]);
+		} while (g_vm->_menu._discussMenu[cx] != g_msg[4]);
 		caff = 69 + cx;
 		afdes(0);
 		repon(2, caff);
@@ -1377,11 +1377,13 @@ void fctDiscuss() {
 		do {
 			++icm;
 			g_vm->_screenSurface.putxy(co, lig);
-			if (s.teauto[icm] == '*')
+			if (g_s.teauto[icm] == '*') {
 				if (te[icm])
 					writetp(lib[icm], 1);
 				else
 					writetp(lib[icm], 0);
+			}
+
 			if (icm == 23)  {
 				lig = 0;
 				co = 320;
@@ -1396,7 +1398,7 @@ void fctDiscuss() {
 			CHECK_QUIT;
 
 			getMousePos(x, y, c);
-			x = x * (3 - res);
+			x *= (3 - res);
 			if (x > 319)
 				cx = 41;
 			else
@@ -1435,7 +1437,7 @@ void fctDiscuss() {
 							writetp(lib[choi], 1);
 						te[choi] = ! te[choi];
 					}
-					if ((s.teauto[ix] == '*') || (ix == 46)) {
+					if ((g_s.teauto[ix] == '*') || (ix == 46)) {
 						lig = ((ix - 1) % 23) << 3;
 						if (ix > 23)
 							co = 320;
@@ -1456,9 +1458,9 @@ void fctDiscuss() {
 		g_vm->setMouseClick(false);
 		if (choi != 46) {
 			int ix = choi - 1;
-			if (col) {
-				col = false;
-				s.mlieu = 15;
+			if (g_col) {
+				g_col = false;
+				g_s.mlieu = 15;
 				if (iouv > 0)
 					max = 8;
 				else
@@ -1468,14 +1470,14 @@ void fctDiscuss() {
 					suj = 129;
 				else {
 					suj = 138;
-					s.conf = s.conf + (3 * (s.conf / 10));
+					g_s.conf += (3 * (g_s.conf / 10));
 				}
 			} else if (nbrep[caff - 69] < nbrepm[caff - 69]) {
 				suj = tabdon[arep + (ix << 3) + (caff - 70)];
-				s.conf += tabdon[arcf + ix];
+				g_s.conf += tabdon[arcf + ix];
 				++nbrep[caff - 69];
 			} else {
-				s.conf += 3;
+				g_s.conf += 3;
 				suj = 139;
 			}
 			hideMouse();
@@ -1484,32 +1486,32 @@ void fctDiscuss() {
 			sparl(0, suj);
 			showMouse();
 			if ((suj == 84) || (suj == 86)) {
-				s.pourc[5] = '*';
-				s.teauto[7] = '*';
+				g_s.pourc[5] = '*';
+				g_s.teauto[7] = '*';
 			}
 			if ((suj == 106) || (suj == 108) || (suj == 94)) {
 				for (int indx = 29; indx <= 31; ++indx)
-					s.teauto[indx] = '*';
-				s.pourc[7] = '*';
+					g_s.teauto[indx] = '*';
+				g_s.pourc[7] = '*';
 			}
 			if (suj == 70) {
-				s.pourc[8] = '*';
-				s.teauto[32] = '*';
+				g_s.pourc[8] = '*';
+				g_s.teauto[32] = '*';
 			}
 			hideMouse();
 			hirs();
 			showMouse();
 		}
 	} while ((choi != 46) && (suj != 138));
-	if (col) {
-		s.conf = s.conf + (3 * (s.conf / 10));
+	if (g_col) {
+		g_s.conf += (3 * (g_s.conf / 10));
 		hideMouse();
 		hirs();
 		premtet();
 		sparl(0, 138);
 		showMouse();
-		col = false;
-		s.mlieu = 15;
+		g_col = false;
+		g_s.mlieu = 15;
 	}
 	ctrm = 0;
 	hideMouse();
@@ -1521,7 +1523,7 @@ void fctDiscuss() {
 	drawClock();
 	affrep();
 	/* chech;*/
-	tmlieu(s.mlieu);
+	tmlieu(g_s.mlieu);
 	clsf3();
 }
 
@@ -1540,7 +1542,7 @@ void fctSmell() {
 				crep = 153;
 	} else if (caff == 123)
 		crep = 110;
-	num = 0;
+	g_num = 0;
 }
 
 /**
@@ -1554,7 +1556,7 @@ void fctScratch() {
 			ecr3(g_vm->getEngineString(S_SCRATCH));
 		tfleche();
 	}
-	num = 0;
+	g_num = 0;
 }
 
 /**
@@ -1608,9 +1610,9 @@ void MortevielleEngine::loseGame() {
 	vh = 10;
 	vm = 0;
 	vj = 0;
-	_minute = 0;
-	_hour = 10;
-	_day = 0;
+	g_minute = 0;
+	g_hour = 10;
+	g_day = 0;
 	repon(2, 180);
 	answer = Alert::show(g_vm->getEngineString(S_YES_NO), 1);
 	_quitGame = (answer != 1);
diff --git a/engines/mortevielle/dialogs.cpp b/engines/mortevielle/dialogs.cpp
index 9d7ea2fa4c..fec8b2f81f 100644
--- a/engines/mortevielle/dialogs.cpp
+++ b/engines/mortevielle/dialogs.cpp
@@ -326,7 +326,8 @@ bool Ques::show() {
 		optionPosY = 35;
 		maxLength = 0;
 
-		for (int j = firstOption, prevChoice = 1; j <= lastOption; ++j, ++prevChoice) {
+		prevChoice = 1;
+		for (int j = firstOption; j <= lastOption; ++j, ++prevChoice) {
 			tmpStr = deline(j);
 			if ((int) tmpStr.size() > maxLength)
 				maxLength = tmpStr.size();
@@ -369,16 +370,16 @@ bool Ques::show() {
 				++currChoice;
 			if (coor[currChoice].enabled) {
 				if ((prevChoice != 0) && (prevChoice != currChoice)) {
-					Common::String tmpStr = choiceArray[prevChoice] + '$';
+					tmpStr = choiceArray[prevChoice] + '$';
 					afftex(tmpStr, 100, 27 + (prevChoice * 8), 100, 1, 0);
 				}
 				if (prevChoice != currChoice) {
-					Common::String tmpStr = choiceArray[currChoice] + '$';
+					tmpStr = choiceArray[currChoice] + '$';
 					afftex(tmpStr, 100, 27 + (currChoice * 8), 100, 1, 1);
 					prevChoice = currChoice;
 				}
 			} else if (prevChoice != 0) {
-				Common::String tmpStr = choiceArray[prevChoice] + '$';
+				tmpStr = choiceArray[prevChoice] + '$';
 				afftex(tmpStr, 100, 27 + (prevChoice * 8), 100, 1, 0);
 				prevChoice = 0;
 			}
@@ -438,15 +439,15 @@ void f3f8::checkForF8(int SpeechNum, bool drawAni50Fl) {
 	teskbd();
 	do {
 		parole(SpeechNum, 0, 0);
-		waitForF3F8(key);
+		waitForF3F8(g_key);
 		CHECK_QUIT;
 
-		if (_newGraphicalDevice != _currGraphicalDevice) {
-			_currGraphicalDevice = _newGraphicalDevice;
+		if (g_newGraphicalDevice != g_currGraphicalDevice) {
+			g_currGraphicalDevice = g_newGraphicalDevice;
 			hirs();
 			aff50(drawAni50Fl);
 		}
-	} while (key != 66); // keycode for F8
+	} while (g_key != 66); // keycode for F8
 }
 
 /**
@@ -462,7 +463,7 @@ void f3f8::waitForF3F8(int &key) {
 
 void f3f8::aff50(bool drawAni50Fl) {
 	caff = 50;
-	_maff = 0;
+	g_maff = 0;
 	taffich();
 	dessine(ades, 63, 12);
 	if (drawAni50Fl)
diff --git a/engines/mortevielle/keyboard.cpp b/engines/mortevielle/keyboard.cpp
index 0cf22b35d8..d6ebe986df 100644
--- a/engines/mortevielle/keyboard.cpp
+++ b/engines/mortevielle/keyboard.cpp
@@ -42,7 +42,7 @@ int testou() {
 
 	switch (ch)  {
 	case '\23' :
-		_soundOff = !_soundOff;
+		g_soundOff = !g_soundOff;
 		break;
 	case '\26' :
 		if ((c_zzz == 1) || (c_zzz == 2)) {
diff --git a/engines/mortevielle/level15.cpp b/engines/mortevielle/level15.cpp
index f90e1aa714..5030da9acb 100644
--- a/engines/mortevielle/level15.cpp
+++ b/engines/mortevielle/level15.cpp
@@ -68,7 +68,7 @@ void outbloc(int n, pattern p, t_nhom pal) {
 void writepal(int n) {
 	t_nhom pal;
 
-	switch (_currGraphicalDevice) {
+	switch (g_currGraphicalDevice) {
 	case MODE_TANDY:
 	case MODE_EGA:
 	case MODE_AMSTRAD1512:
@@ -96,7 +96,7 @@ void pictout(int seg, int dep, int x, int y) {
 	GfxSurface surface;
 	surface.decode(&mem[seg * 16 + dep]);
 
-	if (_currGraphicalDevice == MODE_HERCULES) {
+	if (g_currGraphicalDevice == MODE_HERCULES) {
 		mem[0x7000 * 16 + 2] = 0;
 		mem[0x7000 * 16 + 32] = 15;
 	}
@@ -109,13 +109,13 @@ void pictout(int seg, int dep, int x, int y) {
 
 void sauvecr(int y, int dy) {
 	hideMouse();
-	s_sauv(_currGraphicalDevice, y, dy);
+	s_sauv(g_currGraphicalDevice, y, dy);
 	showMouse();
 }
 
 void charecr(int y, int dy) {
 	hideMouse();
-	s_char(_currGraphicalDevice, y, dy);
+	s_char(g_currGraphicalDevice, y, dy);
 	showMouse();
 }
 
diff --git a/engines/mortevielle/menu.cpp b/engines/mortevielle/menu.cpp
index 6ff97164f0..998b70fa35 100644
--- a/engines/mortevielle/menu.cpp
+++ b/engines/mortevielle/menu.cpp
@@ -154,7 +154,7 @@ void Menu::displayMenu() {
 	
 	g_vm->_screenSurface.fillRect(7, Common::Rect(0, 0, 639, 10));
 	col = 28 * res;
-	if (_currGraphicalDevice == MODE_CGA)
+	if (g_currGraphicalDevice == MODE_CGA)
 		color = 1;
 	else
 		color = 9;
@@ -456,8 +456,8 @@ void Menu::mdn() {
 			//  A menu was clicked on
 			choisi = (test0) && (msg4 != OPCODE_NONE);
 			menuUp(msg3);
-			msg[4] = msg4;
-			msg[3] = msg3;
+			g_msg[4] = msg4;
+			g_msg[3] = msg3;
 			msg3 = OPCODE_NONE;
 			msg4 = OPCODE_NONE;
 
@@ -513,8 +513,8 @@ void Menu::initMenu() {
 	}
 	msg3 = OPCODE_NONE;
 	msg4 = OPCODE_NONE;
-	msg[3] = OPCODE_NONE;
-	msg[4] = OPCODE_NONE;
+	g_msg[3] = OPCODE_NONE;
+	g_msg[4] = OPCODE_NONE;
 	g_vm->setMouseClick(false);
 }
 
diff --git a/engines/mortevielle/mor.cpp b/engines/mortevielle/mor.cpp
index 8b99fcc4a1..d3eb248574 100644
--- a/engines/mortevielle/mor.cpp
+++ b/engines/mortevielle/mor.cpp
@@ -114,7 +114,7 @@ void dessine(int ad, int x, int y) {
 
 void dessine_rouleau() {
 	writepal(89);
-	if (_currGraphicalDevice == MODE_HERCULES) {
+	if (g_currGraphicalDevice == MODE_HERCULES) {
 		mem[0x7000 * 16 + 14] = 15;
 	}
 	hideMouse();
@@ -236,11 +236,11 @@ void clsf10() {
 		cod = 544;
 	}
 	g_vm->_screenSurface.fillRect(15, Common::Rect(cod, 93, co, 98));
-	if (s.conf < 33)
+	if (g_s.conf < 33)
 		st = g_vm->getEngineString(S_COOL);
-	else if (s.conf < 66)
+	else if (g_s.conf < 66)
 		st = g_vm->getEngineString(S_LOURDE);
-	else if (s.conf > 65)
+	else if (g_s.conf > 65)
 		st = g_vm->getEngineString(S_MALSAINE);
 	
 	co = 580 - (g_vm->_screenSurface.getStringWidth(st) / 2);
@@ -259,7 +259,7 @@ void clsf10() {
 
 void stop() {
 	hirs();
-	_currGraphicalDevice = MODE_AMSTRAD1512;
+	g_currGraphicalDevice = MODE_AMSTRAD1512;
 	hirs();
 	g_vm->quitGame();
 }
@@ -267,7 +267,7 @@ void stop() {
 void paint_rect(int x, int y, int dx, int dy) {
 	int co;
 
-	if (_currGraphicalDevice == MODE_CGA)
+	if (g_currGraphicalDevice == MODE_CGA)
 		co = 3;
 	else
 		co = 11;
@@ -280,7 +280,7 @@ int hazard(int min, int max) {
 
 void calch(int &j, int &h, int &m) {
 	int nh = readclock();
-	int th = jh + ((nh - mh) / t);
+	int th = jh + ((nh - mh) / g_t);
 	m = ((th % 2) + vm) * 30;
 	h = ((uint)th >> 1) + vh;
 	if (m == 60) {
@@ -357,12 +357,12 @@ void repon(int f, int m) {
 			ecrf2();
 			text1(8, 182, 103, m);
 			if ((m == 68) || (m == 69))
-				s.teauto[40] = '*';
+				g_s.teauto[40] = '*';
 			if ((m == 104) && (caff == 14)) {
-				s.teauto[36] = '*';
-				if (s.teauto[39] == '*') {
-					s.pourc[3] = '*';
-					s.teauto[38] = '*';
+				g_s.teauto[36] = '*';
+				if (g_s.teauto[39] == '*') {
+					g_s.pourc[3] = '*';
+					g_s.teauto[38] = '*';
 				}
 			}
 		}
@@ -377,10 +377,10 @@ void repon(int f, int m) {
 			afftex(tmpStr, 80, 40, 60, 25, i);
 
 			if (m == 180)
-				s.pourc[6] = '*';
+				g_s.pourc[6] = '*';
 
 			if (m == 179)
-				s.pourc[10] = '*';
+				g_s.pourc[10] = '*';
 		}
 		if (f == 7) {         /* messint */
 			ecrf7();
@@ -635,17 +635,17 @@ void drawClock() {
 	
 	paint_rect(570, 118, 20, 10);
 	paint_rect(578, 114, 6, 18);
-	if ((_currGraphicalDevice == MODE_CGA) || (_currGraphicalDevice == MODE_HERCULES))
+	if ((g_currGraphicalDevice == MODE_CGA) || (g_currGraphicalDevice == MODE_HERCULES))
 		co = 0;
 	else
 		co = 1;
 
-	if (_minute == 0)
+	if (g_minute == 0)
 		g_vm->_screenSurface.drawLine(((uint)x >> 1)*res, y, ((uint)x >> 1)*res, (y - rg), co);
 	else 
 		g_vm->_screenSurface.drawLine(((uint)x >> 1)*res, y, ((uint)x >> 1)*res, (y + rg), co);
 
-	h = _hour;
+	h = g_hour;
 	if (h > 12)
 		h -= 12;
 	if (h == 0)
@@ -655,15 +655,15 @@ void drawClock() {
 	showMouse();
 	g_vm->_screenSurface.putxy(568, 154);
 
-	if (_hour > 11)
+	if (g_hour > 11)
 		g_vm->_screenSurface.writeg("PM ", 1);
 	else
 		g_vm->_screenSurface.writeg("AM ", 1);
 
 	g_vm->_screenSurface.putxy(550, 160);
-	if ((_day >= 0) && (_day <= 8)) {
+	if ((g_day >= 0) && (g_day <= 8)) {
 		Common::String tmp = g_vm->getEngineString(S_DAY);
-		tmp.insertChar((char)(_day + 49), 0);
+		tmp.insertChar((char)(g_day + 49), 0);
 		g_vm->_screenSurface.writeg(tmp, 1);
 	}
 }
@@ -673,9 +673,9 @@ void drawClock() {
  *************/
 
 void debloc(int l) {
-	num = 0;
+	g_num = 0;
 	g_x = 0;
-	y = 0;
+	g_y = 0;
 	if ((l != 26) && (l != 15))
 		t5(l);
 	mpers = ipers;
@@ -1033,46 +1033,44 @@ void phaz(int &haz, int &p, int cf) {
 }
 
 void inzon() {
-	int cx;
-
 	copcha();
 
-	s.ipre  = false;
-	s.derobj = 0;
-	s.icave = 0;
-	s.iboul = 0;
-	s.ibag  = 0;
-	s.ipuit = 0;
-	s.ivier = 0;
-	s.iloic = 136;
-	s.icryp = 141;
-	s.conf  = hazard(4, 10);
-	s.mlieu = 21;
+	g_s.ipre  = false;
+	g_s.derobj = 0;
+	g_s.icave = 0;
+	g_s.iboul = 0;
+	g_s.ibag  = 0;
+	g_s.ipuit = 0;
+	g_s.ivier = 0;
+	g_s.iloic = 136;
+	g_s.icryp = 141;
+	g_s.conf  = hazard(4, 10);
+	g_s.mlieu = 21;
 
-	for (cx = 2; cx <= 6; ++cx)
-		s.sjer[cx] = chr(0);
+	for (int cx = 2; cx <= 6; ++cx)
+		g_s.sjer[cx] = chr(0);
 
-	s.sjer[1] = chr(113);
-	s.heure = chr(20);
+	g_s.sjer[1] = chr(113);
+	g_s.heure = chr(20);
 
-	for (cx = 1; cx <= 10; ++cx)
-		s.pourc[cx] = ' ';
+	for (int cx = 1; cx <= 10; ++cx)
+		g_s.pourc[cx] = ' ';
 
-	for (cx = 1; cx <= 6; ++cx)
-		s.teauto[cx] = '*';
+	for (int cx = 1; cx <= 6; ++cx)
+		g_s.teauto[cx] = '*';
 
-	for (cx = 7; cx <= 9; ++cx)
-		s.teauto[cx] = ' ';
+	for (int cx = 7; cx <= 9; ++cx)
+		g_s.teauto[cx] = ' ';
 
-	for (cx = 10; cx <= 28; ++cx)
-		s.teauto[cx] = '*';
+	for (int cx = 10; cx <= 28; ++cx)
+		g_s.teauto[cx] = '*';
 
-	for (cx = 29; cx <= 42; ++cx)
-		s.teauto[cx] = ' ';
+	for (int cx = 29; cx <= 42; ++cx)
+		g_s.teauto[cx] = ' ';
 
-	s.teauto[33] = '*';
+	g_s.teauto[33] = '*';
 
-	for (cx = 1; cx <= 8; ++cx)
+	for (int cx = 1; cx <= 8; ++cx)
 		nbrep[cx] = 0;
 
 	init_nbrepm();
@@ -1081,9 +1079,9 @@ void inzon() {
 void dprog() {
 	li = 21;
 	jh = 0;
-	if (! s.ipre)
+	if (!g_s.ipre)
 		blo = true;
-	t = ti1;
+	g_t = ti1;
 	mh = readclock();
 }
 
@@ -1221,7 +1219,7 @@ void pl20(int cf) {
 void t11(int l11, int &a) {
 	int p, haz;
 
-	ecfren(p, haz, s.conf, l11);
+	ecfren(p, haz, g_s.conf, l11);
 	li = l11;
 	if ((l11 > 0) && (l11 < 10)) {
 		if (p != -500) {
@@ -1253,7 +1251,7 @@ void t11(int l11, int &a) {
 				cpl15(p);
 			if (l11 == 20)
 				cpl20(p, h);
-			p = p + s.conf;
+			p += g_s.conf;
 			haz = hazard(1, 100);
 			if (haz > p) {
 				person();
@@ -1276,20 +1274,17 @@ void t11(int l11, int &a) {
 }
 
 void cavegre() {
-	int haz;
-
-	s.conf = s.conf + 2;
-	if (s.conf > 69)
-		s.conf += (s.conf / 10);
+	g_s.conf += 2;
+	if (g_s.conf > 69)
+		g_s.conf += (g_s.conf / 10);
 	clsf3();
 	ecrf2();
 	ecr3(g_vm->getEngineString(S_SOMEONE_ENTERS));
-	haz = (hazard(0, 4)) - 2;
+	int haz = (hazard(0, 4)) - 2;
 	parole(2, haz, 1);
 
-	// Useless?
-	for (haz = 0; haz <= 3000; ++haz)
-		;
+	// The original was doing here a useless loop.
+	// It has been removed
 
 	clsf3();
 	person();
@@ -1340,12 +1335,12 @@ void musique(int so) {
 	if (so == 0) {
 		/* musik(0) */
 		;
-	} else if ((prebru == 0) && (! s.ipre)) {
+	} else if ((prebru == 0) && (!g_s.ipre)) {
 		parole(10, 1, 1);
 		++prebru;
 	} else {
 		bool i = false;
-		if ((s.mlieu == 19) || (s.mlieu == 21) || (s.mlieu == 22)) {
+		if ((g_s.mlieu == 19) || (g_s.mlieu == 21) || (g_s.mlieu == 22)) {
 			int haz = hazard(1, 3);
 			if (haz == 2) {
 				haz = hazard(2, 4);
@@ -1353,21 +1348,23 @@ void musique(int so) {
 				i = true;
 			}
 		}
-		if (s.mlieu == 20) {
+		if (g_s.mlieu == 20) {
 			int haz = hazard(1, 2);
 			if (haz == 1) {
 				parole(8, 1, 1);
 				i = true;
 			}
 		}
-		if (s.mlieu == 24) {
+
+		if (g_s.mlieu == 24) {
 			int haz = hazard(1, 2);
 			if (haz == 2) {
 				parole(12, 1, 1);
 				i = true;
 			}
 		}
-		if (s.mlieu == 23) {
+
+		if (g_s.mlieu == 23) {
 			parole(13, 1, 1);
 			i = true;
 		}
@@ -1400,19 +1397,19 @@ void dessin(int ad) {
 				}
 
 				if (caff == 13) {
-					if (s.iboul == 141)
+					if (g_s.iboul == 141)
 						aniof(1, 7);
 
-					if (s.ibag == 159)
+					if (g_s.ibag == 159)
 						aniof(1, 6);
 				}
-				if ((caff == 14) && (s.icave == 151))
+				if ((caff == 14) && (g_s.icave == 151))
 					aniof(1, 2);
 
-				if ((caff == 17) && (s.ivier == 143))
+				if ((caff == 17) && (g_s.ivier == 143))
 					aniof(1, 1);
 
-				if ((caff == 24) && (s.ipuit != 0))
+				if ((caff == 24) && (g_s.ipuit != 0))
 					aniof(1, 1);
 			}
 			
diff --git a/engines/mortevielle/mor2.cpp b/engines/mortevielle/mor2.cpp
index 8edafa8c2c..42e1d0f9fa 100644
--- a/engines/mortevielle/mor2.cpp
+++ b/engines/mortevielle/mor2.cpp
@@ -51,8 +51,8 @@ void tinke() {
 
 	anyone = false;
 	calch(j, h, m);
-	if (j != _day) {
-		_day = j;
+	if (j != g_day) {
+		g_day = j;
 		cx = 0;
 		do {
 			++cx;
@@ -61,13 +61,13 @@ void tinke() {
 			nbrep[cx] = 0;
 		} while (cx != 8);
 	}
-	if ((h > _hour) || ((h == 0) && (_hour == 23))) {
-		_hour = h;
-		_minute = 0;
+	if ((h > g_hour) || ((h == 0) && (g_hour == 23))) {
+		g_hour = h;
+		g_minute = 0;
 		drawClock();
 		cf = 0;
 		for (cx = 1; cx <= 10; ++cx) {
-			if (s.pourc[cx] == '*')
+			if (g_s.pourc[cx] == '*')
 				++cf;
 		}
 
@@ -89,8 +89,8 @@ void tinke() {
 		_hintPctMessage += d6;
 		_hintPctMessage += d4;
 	}
-	if (m > _minute) {
-		_minute = 30;
+	if (m > g_minute) {
+		g_minute = 30;
 		drawClock();
 	}
 	if (y_s < 12)
@@ -98,21 +98,21 @@ void tinke() {
 
 	if (! blo) {
 		if ((h == 12) || ((h > 18) && (h < 21)) || ((h >= 0) && (h < 7)))
-			t = ti2;
+			g_t = ti2;
 		else
-			t = ti1;
-		cf = s.conf;
+			g_t = ti1;
+		cf = g_s.conf;
 		if ((cf > 33) && (cf < 66))
-			t -= (t / 3);
+			g_t -= (g_t / 3);
 
 		if (cf > 65)
-			t -= ((t / 3) * 2);
+			g_t -= ((g_t / 3) * 2);
 
 		int nh = readclock();
-		if ((nh - mh) > t) {
+		if ((nh - mh) > g_t) {
 			bool activeMenu = g_vm->_menu._menuActive;
 			g_vm->_menu.eraseMenu();
-			jh += ((nh - mh) / t);
+			jh += ((nh - mh) / g_t);
 			mh = nh;
 			switch (li) {
 			case 1:
@@ -157,7 +157,7 @@ void tinke() {
 				mpers = ipers;
 
 			if ((mpers == 0) && (ipers > 0)) {
-				if ((s.mlieu == 13) || (s.mlieu == 14)) {
+				if ((g_s.mlieu == 13) || (g_s.mlieu == 14)) {
 					cavegre();
 				} else if (ipers == 10) {
 					ipers = 0;
@@ -186,7 +186,7 @@ void tinke() {
 		nouvp(li, cx);
 		brt = false;
 		hdb = 0;
-		if ((s.mlieu > 0) && (s.mlieu < 10))
+		if ((g_s.mlieu > 0) && (g_s.mlieu < 10))
 			anyone = true;
 	}
 }
@@ -195,9 +195,9 @@ void fenat(char ans) {
 	int coul;
 
 	hideMouse();
-	if (_currGraphicalDevice == MODE_CGA)
+	if (g_currGraphicalDevice == MODE_CGA)
 		coul = 2;
-	else if (_currGraphicalDevice == MODE_HERCULES)
+	else if (g_currGraphicalDevice == MODE_HERCULES)
 		coul = 1;
 	else
 		coul = 12;
@@ -222,7 +222,7 @@ void tkey1(bool d) {
 	hideMouse();
 	fenat('K');
 	while (keypressed())
-		key = testou();
+		g_key = testou();
 
 	do {
 		if (d)
@@ -265,20 +265,18 @@ void tlu(int af, int ob) {
 	repon(2, 999);
 	tkey1(true);
 	caff = af;
-	msg[3] = OPCODE_NONE;
+	g_msg[3] = OPCODE_NONE;
 	crep = 998;
 }
 
 void affrep() {
-	caff = s.mlieu;
-	crep = s.mlieu;
+	caff = g_s.mlieu;
+	crep = g_s.mlieu;
 }
 
 void mfouen() {
-	int cx;
-
-	tmlieu(s.mlieu);
-	for (cx = 1; cx <= 11; ++cx)
+	tmlieu(g_s.mlieu);
+	for (int cx = 1; cx <= 11; ++cx)
 		g_vm->_menu.enableMenuItem(_actionMenu[cx]);
 
 	g_vm->_menu.menut(OPCODE_SOUND, g_vm->getEngineString(S_PROBE));
@@ -304,18 +302,18 @@ void tperd() {
 	repon(9, crep);
 	clsf2();
 	clsf3();
-	col = false;
+	g_col = false;
 	syn = false;
 	okdes = false;
 }
 
 void tsort() {
 
-	if ((iouv > 0) && (s.mlieu != 0)) {
-		if (s.conf < 50)
-			s.conf += 2;
+	if ((iouv > 0) && (g_s.mlieu != 0)) {
+		if (g_s.conf < 50)
+			g_s.conf += 2;
 		else
-			s.conf += (s.conf / 10);
+			g_s.conf += (g_s.conf / 10);
 	}
 
 	for (int cx = 1; cx <= 7; ++cx)
@@ -323,7 +321,7 @@ void tsort() {
 	ment = 0;
 	iouv = 0;
 	mchai = 0;
-	debloc(s.mlieu);
+	debloc(g_s.mlieu);
 }
 
 void st4(int ob) {
@@ -361,14 +359,14 @@ void cherjer(int ob, bool &d) {
 
 	d = false;
 	for (cx = 1; cx <= 6; ++cx)
-		d = (d || (ord(s.sjer[cx]) == ob));
+		d = (d || (ord(g_s.sjer[cx]) == ob));
 
-	if (s.derobj == ob)
+	if (g_s.derobj == ob)
 		d = true;
 }
 
 void st1sama() {
-	s.mlieu = 10;
+	g_s.mlieu = 10;
 	affrep();
 }
 
@@ -378,9 +376,9 @@ void modinv() {
 
 	int cy = 0;
 	for (int cx = 1; cx <= 6; ++cx)
-		if (s.sjer[cx] != chr(0)) {
+		if (g_s.sjer[cx] != chr(0)) {
 			++cy;
-			r = (ord(s.sjer[cx]) + 400);
+			r = (ord(g_s.sjer[cx]) + 400);
 			nomp = deline(r - 501 + c_st41);
 			g_vm->_menu.menut(g_vm->_menu._inventoryMenu[cy], nomp);
 			g_vm->_menu.enableMenuItem(g_vm->_menu._inventoryMenu[cx]);
@@ -432,7 +430,7 @@ void mfoudi() {
 }
 
 void mennor() {
-	g_vm->_menu.menuUp(msg[3]);
+	g_vm->_menu.menuUp(g_msg[3]);
 }
 
 void premtet() {
@@ -449,7 +447,7 @@ void ajchai() {
 	} while ((cx <= 9) && (tabdon[cy + cx] != 0));
 
 	if (tabdon[cy + cx] == 0) {
-		int lderobj = s.derobj;
+		int lderobj = g_s.derobj;
 		tabdon[cy + cx] = lderobj;
 	} else
 		crep = 192;
@@ -459,10 +457,10 @@ void ajjer(int ob) {
 	int cx = 0;
 	do {
 		++cx;
-	} while ((cx <= 5) && (ord(s.sjer[cx]) != 0));
+	} while ((cx <= 5) && (ord(g_s.sjer[cx]) != 0));
 
-	if (ord(s.sjer[cx]) == 0) {
-		s.sjer[(cx)] = chr(ob);
+	if (ord(g_s.sjer[cx]) == 0) {
+		g_s.sjer[(cx)] = chr(ob);
 		modinv();
 	} else
 		crep = 139;
@@ -472,7 +470,7 @@ void t1sama() {    //Entering manor
 	int j, h, m;
 
 	calch(j, h, m);
-	if ((h < 5) && (s.mlieu > 18)) {
+	if ((h < 5) && (g_s.mlieu > 18)) {
 		bool d;
 		cherjer(137, d);
 		if (!d) {        //You don't have the keys, and it's late
@@ -480,7 +478,7 @@ void t1sama() {    //Entering manor
 			tperd();
 		} else
 			st1sama();
-	} else if (!s.ipre) {     //Is it your first time?
+	} else if (!g_s.ipre) {     //Is it your first time?
 		ipers = 255;
 		affper(ipers);
 		caff = 77;
@@ -496,21 +494,21 @@ void t1sama() {    //Entering manor
 		dessine_rouleau();
 		drawClock();
 		showMouse();
-		s.mlieu = 0;
+		g_s.mlieu = 0;
 		affrep();
 		t5(10);
 		if (! blo)
 			t11(0, m);
 		ipers = 0;
 		mpers = 0;
-		s.ipre = true;
+		g_s.ipre = true;
 		/*chech;*/
 	} else
 		st1sama();
 }
 
 void t1vier() {
-	s.mlieu = 17;
+	g_s.mlieu = 17;
 	affrep();
 }
 
@@ -521,19 +519,19 @@ void t1neig() {
 		tperd();
 	} else {
 		okdes = true;
-		s.mlieu = 19;
+		g_s.mlieu = 19;
 		affrep();
 	}
 }
 
 void t1deva() {
 	inei = 0;
-	s.mlieu = 21;
+	g_s.mlieu = 21;
 	affrep();
 }
 
 void t1derr() {
-	s.mlieu = 22;
+	g_s.mlieu = 22;
 	affrep();
 }
 
@@ -565,21 +563,21 @@ L1:
 			parole(4, 4, 1);
 
 		if (iouv == 0)
-			s.conf += 2;
-		else if (s.conf < 50)
-			s.conf += 4;
+			g_s.conf += 2;
+		else if (g_s.conf < 50)
+			g_s.conf += 4;
 		else
-			s.conf += 3 * (s.conf / 10);
+			g_s.conf += 3 * (g_s.conf / 10);
 		tsort();
 		tmlieu(15);
 		int cx;
 		tip(ipers, cx);
 		caff = 69 + cx;
 		crep = caff;
-		msg[3] = MENU_DISCUSS;
-		msg[4] = g_vm->_menu._discussMenu[cx];
+		g_msg[3] = MENU_DISCUSS;
+		g_msg[4] = g_vm->_menu._discussMenu[cx];
 		syn = true;
-		col = true;
+		g_col = true;
 	} else {
 		int haz = hazard(1, 3);
 		if (haz == 2) {
@@ -618,7 +616,7 @@ void tsuiv() {
 		caff = tbcl;
 		crep = caff + 400;
 		if (ipers != 0)
-			s.conf = s.conf + 2;
+			g_s.conf = g_s.conf + 2;
 	} else {
 		affrep();
 		finfouil();
@@ -631,7 +629,7 @@ void tfleche() {
 	bool qust;
 	char touch;
 
-	if (num == 9999)
+	if (g_num == 9999)
 		return;
 
 	fenat(chr(152));
@@ -650,14 +648,14 @@ void tfleche() {
 
 		if (qust && (touch == '\103'))
 			Alert::show(_hintPctMessage, 1);
-	} while (!((touch == '\73') || ((touch == '\104') && (g_x != 0) && (y != 0)) || (anyone) || (rect)));
+	} while (!((touch == '\73') || ((touch == '\104') && (g_x != 0) && (g_y != 0)) || (anyone) || (rect)));
 
 	if (touch == '\73')
 		iesc = true;
 
 	if (rect) {
 		g_x = x_s;
-		y = y_s;
+		g_y = y_s;
 	}
 }
 
@@ -666,7 +664,7 @@ void tcoord(int sx) {
 	int ib;
 
 
-	num = 0;
+	g_num = 0;
 	crep = 999;
 	int a = 0;
 	int atdon = amzon + 3;
@@ -703,10 +701,10 @@ void tcoord(int sx) {
 		ix = tabdon[a + cb] * res;
 		iy = tabdon[(a + cb + 1)];
 		++cy;
-	} while (!(((g_x >= sx) && (g_x <= ix) && (y >= sy) && (y <= iy)) || (cy > ib)));
+	} while (!(((g_x >= sx) && (g_x <= ix) && (g_y >= sy) && (g_y <= iy)) || (cy > ib)));
 
-	if ((g_x >= sx) && (g_x <= ix) && (y >= sy) && (y <= iy)) {
-		num = cy - 1;
+	if ((g_x >= sx) && (g_x <= ix) && (g_y >= sy) && (g_y <= iy)) {
+		g_num = cy - 1;
 		return;
 	}
 
@@ -740,7 +738,7 @@ void treg(int ob) {
 	int mdes = caff;
 	caff = ob;
 
-	if (((caff > 29) && (caff < 33)) || (caff == 144) || (caff == 147) || (caff == 149) || (msg[4] == OPCODE_SLOOK)) {
+	if (((caff > 29) && (caff < 33)) || (caff == 144) || (caff == 147) || (caff == 149) || (g_msg[4] == OPCODE_SLOOK)) {
 		afdes(0);
 		if ((caff > 29) && (caff < 33))
 			repon(2, caff);
@@ -748,7 +746,7 @@ void treg(int ob) {
 			repon(2, (caff + 400));
 		tkey1(true);
 		caff = mdes;
-		msg[3] = 0;
+		g_msg[3] = 0;
 		crep = 998;
 	} else {
 		obpart = true;
@@ -759,22 +757,22 @@ void treg(int ob) {
 
 void avpoing(int &ob) {
 	crep = 999;
-	if (s.derobj != 0)
-		ajjer(s.derobj);
+	if (g_s.derobj != 0)
+		ajjer(g_s.derobj);
 
 	if (crep != 139) {
 		modobj(ob + 400);
-		s.derobj = ob;
+		g_s.derobj = ob;
 		ob = 0;
 	}
 }
 
 void rechai(int &ch) {
-	int cx = s.mlieu;
+	int cx = g_s.mlieu;
 
-	if (s.mlieu == 16)
+	if (g_s.mlieu == 16)
 		cx = 14;
-	ch = tabdon[achai + (cx * 7) + num - 1];
+	ch = tabdon[achai + (cx * 7) + g_num - 1];
 }
 
 void t23coul(int &l) {
@@ -789,7 +787,7 @@ void t23coul(int &l) {
 }
 
 void maivid() {
-	s.derobj = 0;
+	g_s.derobj = 0;
 	modobj(500);
 }
 
diff --git a/engines/mortevielle/mortevielle.cpp b/engines/mortevielle/mortevielle.cpp
index 50631663e1..7d0e7bc8ed 100644
--- a/engines/mortevielle/mortevielle.cpp
+++ b/engines/mortevielle/mortevielle.cpp
@@ -121,7 +121,7 @@ Common::ErrorCode MortevielleEngine::initialise() {
 	_screenSurface.create(SCREEN_WIDTH, SCREEN_HEIGHT, Graphics::PixelFormat::createFormatCLUT8());
 
 	// Set the screen mode
-	_currGraphicalDevice = MODE_EGA;
+	g_currGraphicalDevice = MODE_EGA;
 	res = 2;
 
 	_txxFileFl = false;
@@ -142,8 +142,8 @@ Common::ErrorCode MortevielleEngine::initialise() {
 	// Setup the mouse cursor
 	initMouse();
 
-	_currGraphicalDevice = MODE_EGA;
-	_newGraphicalDevice = _currGraphicalDevice;
+	g_currGraphicalDevice = MODE_EGA;
+	g_newGraphicalDevice = g_currGraphicalDevice;
 	zuul = false;
 	tesok = false;
 	charpal();
@@ -155,15 +155,15 @@ Common::ErrorCode MortevielleEngine::initialise() {
 	initMouse();
 
 	init_lieu();
-	_soundOff = false;
+	g_soundOff = false;
 	f2_all = false;
 
 	teskbd();
 	dialpre();
-	_newGraphicalDevice = _currGraphicalDevice;
+	g_newGraphicalDevice = g_currGraphicalDevice;
 	teskbd();
-	if (_newGraphicalDevice != _currGraphicalDevice)
-		_currGraphicalDevice = _newGraphicalDevice;
+	if (g_newGraphicalDevice != g_currGraphicalDevice)
+		g_currGraphicalDevice = g_newGraphicalDevice;
 	hirs();
 	ades = 0x7000;
 
@@ -558,7 +558,7 @@ void MortevielleEngine::handleAction() {
 		g_vm->_menu.drawMenu();
 		imen = true;
 		temps = 0;
-		key = 0;
+		g_key = 0;
 		funct = false;
 		inkey = '.';
 
@@ -578,24 +578,24 @@ void MortevielleEngine::handleAction() {
 			changeGraphicalDevice((uint)(ord(inkey) - 1) >> 1);
 			return;
 		}
-		if (choisi && (msg[3] == MENU_SAVE)) {
-			Common::String saveName = Common::String::format("Savegame #%d", msg[4] & 7);
-			g_vm->_savegameManager.saveGame(msg[4] & 7, saveName);
+		if (choisi && (g_msg[3] == MENU_SAVE)) {
+			Common::String saveName = Common::String::format("Savegame #%d", g_msg[4] & 7);
+			g_vm->_savegameManager.saveGame(g_msg[4] & 7, saveName);
 		}
-		if (choisi && (msg[3] == MENU_LOAD))
-			g_vm->_savegameManager.loadGame((msg[4] & 7) - 1);
+		if (choisi && (g_msg[3] == MENU_LOAD))
+			g_vm->_savegameManager.loadGame((g_msg[4] & 7) - 1);
 		if (inkey == '\103') {       /* F9 */
 			temps = Alert::show(_hintPctMessage, 1);
 			return;
 		} else if (inkey == '\77') {
-			if ((mnumo != OPCODE_NONE) && ((msg[3] == MENU_ACTION) || (msg[3] == MENU_SELF))) {
-				msg[4] = mnumo;
+			if ((mnumo != OPCODE_NONE) && ((g_msg[3] == MENU_ACTION) || (g_msg[3] == MENU_SELF))) {
+				g_msg[4] = mnumo;
 				ecr3(g_vm->getEngineString(S_IDEM));
 			} else
 				return;
 		} else if (inkey == '\104') {
-			if ((g_x != 0) && (y != 0))
-				num = 9999;
+			if ((g_x != 0) && (g_y != 0))
+				g_num = 9999;
 			return;
 		}
 	}
@@ -607,22 +607,22 @@ void MortevielleEngine::handleAction() {
 			return;
 		if (temps > lim) {
 			repon(2, 141);
-			if (num == 9999)
-				num = 0;
+			if (g_num == 9999)
+				g_num = 0;
 		} else {
-			mnumo = msg[3];
-			if ((msg[3] == MENU_ACTION) || (msg[3] == MENU_SELF))
-				mnumo = msg[4];
+			mnumo = g_msg[3];
+			if ((g_msg[3] == MENU_ACTION) || (g_msg[3] == MENU_SELF))
+				mnumo = g_msg[4];
 			if (! anyone) {
 				if ((fouil) || (obpart)) {
 					if (y_s < 12)
 						return;
 
-					if ((msg[4] == OPCODE_SOUND) || (msg[4] == OPCODE_LIFT)) {
+					if ((g_msg[4] == OPCODE_SOUND) || (g_msg[4] == OPCODE_LIFT)) {
 						oo = true;
-						if ((msg[4] == OPCODE_LIFT) || (obpart)) {
+						if ((g_msg[4] == OPCODE_LIFT) || (obpart)) {
 							finfouil();
-							caff = s.mlieu;
+							caff = g_s.mlieu;
 							crep = 998;
 						} else
 							tsuiv();
@@ -640,7 +640,7 @@ void MortevielleEngine::handleAction() {
 						okdes = false;
 						dessin(0);
 					}
-					if ((! syn) || (col))
+					if ((! syn) || (g_col))
 						repon(2, crep);
 				}
 			} while (syn);
diff --git a/engines/mortevielle/mouse.cpp b/engines/mortevielle/mouse.cpp
index d607b0597b..9baae57eb6 100644
--- a/engines/mortevielle/mouse.cpp
+++ b/engines/mortevielle/mouse.cpp
@@ -86,7 +86,7 @@ void hideMouse() {
 	if (mouse_shwn == 0) {
 		bool imp = odd(y_s);
 		int j = p_o_s;
-		switch (_currGraphicalDevice) {
+		switch (g_currGraphicalDevice) {
 		case MODE_CGA: {
 			int k = 0;
 			j = ((uint)y_s >> 1) * 80 + ((uint)x_s >> 2);
@@ -183,7 +183,7 @@ void showMouse() {
 	j = p_o_s;
 	imp = odd(y_s);
 	i = x_s & 7;
-	switch (_currGraphicalDevice) {
+	switch (g_currGraphicalDevice) {
 	case MODE_CGA:
 		k = 0;
 		j = ((uint)y_s >> 1) * 80 + ((uint)x_s >> 2);
@@ -418,7 +418,7 @@ void moveMouse(bool &funct, char &key) {
 			cy = 8;
 			break;
 		case '\23':
-			_soundOff = !_soundOff;
+			g_soundOff = !g_soundOff;
 			return;
 			break;
 		case '\26':
diff --git a/engines/mortevielle/ovd1.cpp b/engines/mortevielle/ovd1.cpp
index e1374d4f04..7b2dcabee9 100644
--- a/engines/mortevielle/ovd1.cpp
+++ b/engines/mortevielle/ovd1.cpp
@@ -174,7 +174,7 @@ void music() {
 	bool fin;
 
 	/* debug('o3 music'); */
-	if (_soundOff)
+	if (g_soundOff)
 		return;
 
 	rech_cfiec = true;
@@ -244,8 +244,8 @@ void suite() {
 	caff = 51;
 	taffich();
 	teskbd();
-	if (_newGraphicalDevice != _currGraphicalDevice)
-		_currGraphicalDevice = _newGraphicalDevice;
+	if (g_newGraphicalDevice != g_currGraphicalDevice)
+		g_currGraphicalDevice = g_newGraphicalDevice;
 	hirs();
 	dessine(ades, 0, 0);
 
diff --git a/engines/mortevielle/parole.cpp b/engines/mortevielle/parole.cpp
index 791bfd7d61..cbe460a43d 100644
--- a/engines/mortevielle/parole.cpp
+++ b/engines/mortevielle/parole.cpp
@@ -35,8 +35,8 @@ namespace Mortevielle {
 void spfrac(int wor) {
 	c3.rep = (uint)wor >> 12;
 	if ((typlec == 0) && (c3.code != 9))
-		if (((c3.code > 4) && (c3.val != 20) && ((c3.rep != 3) && (c3.rep != 6) && (c3.rep != 9)) ||
-				((c3.code < 5) && ((c3.val != 19) && (c3.val != 22) && (c3.rep != 4) && (c3.rep != 9))))) {
+		if (((c3.code > 4) && (c3.val != 20) && (c3.rep != 3) && (c3.rep != 6) && (c3.rep != 9)) ||
+				((c3.code < 5) && ((c3.val != 19) && (c3.val != 22) && (c3.rep != 4) && (c3.rep != 9)))) {
 			++c3.rep;
 		}
 
diff --git a/engines/mortevielle/parole2.cpp b/engines/mortevielle/parole2.cpp
index 19b44191b0..2402e37195 100644
--- a/engines/mortevielle/parole2.cpp
+++ b/engines/mortevielle/parole2.cpp
@@ -87,17 +87,17 @@ void parole(int rep, int ht, int typ) {
 	int savph[501];
 	int tempo;
 
-	if (_soundOff)
+	if (g_soundOff)
 		return;
 
 	num_ph = rep;
-	haut = ht;
+	g_haut = ht;
 	typlec = typ;
 	if (typlec != 0) {
 		for (int i = 0; i <= 500; ++i)
 			savph[i] = t_cph[i];
 		tempo = tempo_bruit;
-	} else if (haut > 5)
+	} else if (g_haut > 5)
 		tempo = tempo_f;
 	else
 		tempo = tempo_m;
diff --git a/engines/mortevielle/prog.cpp b/engines/mortevielle/prog.cpp
index 635140f048..6dd8df10a6 100644
--- a/engines/mortevielle/prog.cpp
+++ b/engines/mortevielle/prog.cpp
@@ -45,7 +45,7 @@ namespace Mortevielle {
  */
 void changeGraphicalDevice(int newDevice) {
 	hideMouse();
-	_currGraphicalDevice = newDevice;
+	g_currGraphicalDevice = newDevice;
 	hirs();
 	initMouse();
 	showMouse();
@@ -58,7 +58,7 @@ void changeGraphicalDevice(int newDevice) {
 		person();
 	clsf2();
 	clsf3();
-	_maff = 68;
+	g_maff = 68;
 	afdes(0);
 	repon(2, crep);
 	g_vm->_menu.displayMenu();
@@ -82,21 +82,21 @@ void MortevielleEngine::gameLoaded() {
 	test[0] = false;
 	test[1] = false;
 	g[0] = '\040';
-	col = false;
+	g_col = false;
 	tesok = true;
 	test[2] = false;
 	g[7] = g[0];
 	g[2] = 'A';
 	cache = false;
 	brt = false;
-	_maff = 68;
+	g_maff = 68;
 	g[5] = 'E';
 	mnumo = 0;
 	prebru = 0;
 	g[4] = 'T';
 	g_x = 0;
-	y = 0;
-	num = 0;
+	g_y = 0;
+	g_num = 0;
 	hdb = 0;
 	hfb = 0;
 	cs = 0;
@@ -133,10 +133,10 @@ void MortevielleEngine::gameLoaded() {
 	repon(2, crep);
 	clsf3();
 	_endGame = false;
-	tmlieu(s.mlieu);
+	tmlieu(g_s.mlieu);
 	modinv();
-	if (s.derobj != 0)
-		modobj2(s.derobj + 400, test[1], test[2]);
+	if (g_s.derobj != 0)
+		modobj2(g_s.derobj + 400, test[1], test[2]);
 	else
 		tesok = test[1] || test[2];
 	showMouse();
@@ -153,82 +153,82 @@ void tmaj3() {
 		m = 1;
 	h += j * 24;
 	m += h * 2;
-	s.heure = chr(m);
+	g_s.heure = chr(m);
 }
 
 void tsitu() {
 	int h, j, m;
 
-	if (! col)
+	if (!g_col)
 		clsf2();
 	syn = false;
 	iesc = false;
 	if (!anyone) {
 		if (brt)
-			if ((msg[3] == MENU_MOVE) || (msg[4] == OPCODE_LEAVE) || (msg[4] == OPCODE_SLEEP) || (msg[4] == OPCODE_EAT)) {
+			if ((g_msg[3] == MENU_MOVE) || (g_msg[4] == OPCODE_LEAVE) || (g_msg[4] == OPCODE_SLEEP) || (g_msg[4] == OPCODE_EAT)) {
 				ctrm = 4;
 				mennor();
 				return;
 			}
-		if (msg[3] == MENU_MOVE)
+		if (g_msg[3] == MENU_MOVE)
 			fctMove();
-		if (msg[3] == MENU_DISCUSS)
+		if (g_msg[3] == MENU_DISCUSS)
 			fctDiscuss();
-		if (msg[3] == MENU_INVENTORY)
+		if (g_msg[3] == MENU_INVENTORY)
 			fctInventoryTake();
-		if (msg[4] == OPCODE_ATTACH)
+		if (g_msg[4] == OPCODE_ATTACH)
 			fctAttach();
-		if (msg[4] == OPCODE_WAIT)
+		if (g_msg[4] == OPCODE_WAIT)
 			fctWait();
-		if (msg[4] == OPCODE_FORCE)
+		if (g_msg[4] == OPCODE_FORCE)
 			fctForce();
-		if (msg[4] == OPCODE_SLEEP)
+		if (g_msg[4] == OPCODE_SLEEP)
 			fctSleep();
-		if (msg[4] == OPCODE_LISTEN)
+		if (g_msg[4] == OPCODE_LISTEN)
 			fctListen();
-		if (msg[4] == OPCODE_ENTER)
+		if (g_msg[4] == OPCODE_ENTER)
 			fctEnter();
-		if (msg[4] == OPCODE_CLOSE)
+		if (g_msg[4] == OPCODE_CLOSE)
 			fctClose();
-		if (msg[4] == OPCODE_SEARCH)
+		if (g_msg[4] == OPCODE_SEARCH)
 			fctSearch();
-		if (msg[4] == OPCODE_KNOCK)
+		if (g_msg[4] == OPCODE_KNOCK)
 			fctKnock();
-		if (msg[4] == OPCODE_SCRATCH)
+		if (g_msg[4] == OPCODE_SCRATCH)
 			fctScratch();
-		if (msg[4] == OPCODE_READ)
+		if (g_msg[4] == OPCODE_READ)
 			fctRead();
-		if (msg[4] == OPCODE_EAT)
+		if (g_msg[4] == OPCODE_EAT)
 			fctEat();
-		if (msg[4] == OPCODE_PLACE)
+		if (g_msg[4] == OPCODE_PLACE)
 			fctPlace();
-		if (msg[4] == OPCODE_OPEN)
+		if (g_msg[4] == OPCODE_OPEN)
 			fctOpen();
-		if (msg[4] == OPCODE_TAKE)
+		if (g_msg[4] == OPCODE_TAKE)
 			fctTake();
-		if (msg[4] == OPCODE_LOOK)
+		if (g_msg[4] == OPCODE_LOOK)
 			fctLook();
-		if (msg[4] == OPCODE_SMELL)
+		if (g_msg[4] == OPCODE_SMELL)
 			fctSmell();
-		if (msg[4] == OPCODE_SOUND)
+		if (g_msg[4] == OPCODE_SOUND)
 			fctSound();
-		if (msg[4] == OPCODE_LEAVE)
+		if (g_msg[4] == OPCODE_LEAVE)
 			fctLeave();
-		if (msg[4] == OPCODE_LIFT)
+		if (g_msg[4] == OPCODE_LIFT)
 			fctLift();
-		if (msg[4] == OPCODE_TURN)
+		if (g_msg[4] == OPCODE_TURN)
 			fctTurn();
-		if (msg[4] == OPCODE_SSEARCH)
+		if (g_msg[4] == OPCODE_SSEARCH)
 			fctSelfSearch();
-		if (msg[4] == OPCODE_SREAD)
+		if (g_msg[4] == OPCODE_SREAD)
 			fctSelfRead();
-		if (msg[4] == OPCODE_SPUT)
+		if (g_msg[4] == OPCODE_SPUT)
 			fctSelfPut();
-		if (msg[4] == OPCODE_SLOOK)
+		if (g_msg[4] == OPCODE_SLOOK)
 			fctSelftLook();
 		cache = false;
 
-		if (msg[4] == OPCODE_SHIDE)
+		if (g_msg[4] == OPCODE_SHIDE)
 			fctSelfHide();
 	} else {
 		if (anyone) {
@@ -239,16 +239,16 @@ void tsitu() {
 		}
 	}
 	calch(j, h, m);
-	if ((((h == 12) || (h == 13) || (h == 19)) && (s.mlieu != 10)) ||
-	        ((h > 0) && (h < 6) && (s.mlieu != 0)))
-		s.conf = s.conf + 1;
-	if (((s.mlieu < 16) || (s.mlieu > 19)) && (s.mlieu != 23)
-	        && (s.mlieu != 0) && (s.derobj != 152) && (!g_vm->_loseGame)) {
-		if ((s.conf > 99) && (h > 8) && (h < 16)) {
+	if ((((h == 12) || (h == 13) || (h == 19)) && (g_s.mlieu != 10)) ||
+	        ((h > 0) && (h < 6) && (g_s.mlieu != 0)))
+		++g_s.conf;
+	if (((g_s.mlieu < 16) || (g_s.mlieu > 19)) && (g_s.mlieu != 23)
+	        && (g_s.mlieu != 0) && (g_s.derobj != 152) && (!g_vm->_loseGame)) {
+		if ((g_s.conf > 99) && (h > 8) && (h < 16)) {
 			crep = 1501;
 			tperd();
 		}
-		if ((s.conf > 99) && (h > 0) && (h < 9)) {
+		if ((g_s.conf > 99) && (h > 0) && (h < 9)) {
 			crep = 1508;
 			tperd();
 		}
@@ -263,16 +263,16 @@ void tsitu() {
 /* NIVEAU 1 */
 
 void theure() {
-	vj = ord(s.heure);
+	vj = ord(g_s.heure);
 	vh = vj % 48;
 	vj /= 48;
 	vm = vh % 2;
 	vh /= 2;
-	_hour = vh;
+	g_hour = vh;
 	if (vm == 1)
-		_minute = 30;
+		g_minute = 30;
 	else
-		_minute = 0;
+		g_minute = 0;
 }
 
 } // End of namespace Mortevielle
diff --git a/engines/mortevielle/saveload.cpp b/engines/mortevielle/saveload.cpp
index 929b0880f6..7afaa47da0 100644
--- a/engines/mortevielle/saveload.cpp
+++ b/engines/mortevielle/saveload.cpp
@@ -85,7 +85,7 @@ void SavegameManager::takesav(int n) {
 	Common::File f;
 	if (stream == NULL) {
 		if (!f.open(filename))
-			error("Unable to open save file '%s'", filename);
+			error("Unable to open save file '%s'", filename.c_str());
 
 		stream = f.readStream(f.size());
 		f.close();
@@ -107,7 +107,7 @@ void SavegameManager::takesav(int n) {
 	Common::Serializer sz(stream, NULL);
 	sync_save(sz);
 
-	s = s1;
+	g_s = s1;
 	for (i = 0; i <= 389; ++i)
 		tabdon[i + acha] = bufcha[i];
 
@@ -143,7 +143,7 @@ Common::Error SavegameManager::saveGame(int n, const Common::String &saveName) {
 	
 	for (i = 0; i <= 389; ++i)
 		bufcha[i] = tabdon[i + acha];
-	s1 = s;
+	s1 = g_s;
 	if (s1.mlieu == 26)
 		s1.mlieu = 15;
 	
diff --git a/engines/mortevielle/taffich.cpp b/engines/mortevielle/taffich.cpp
index 82abc27989..1694387964 100644
--- a/engines/mortevielle/taffich.cpp
+++ b/engines/mortevielle/taffich.cpp
@@ -106,42 +106,42 @@ void taffich() {
 	else if ((a >= 136) && (a <= 140))
 		a = tran1[a - 136];
 	int b = a;
-	if (_maff == a)
+	if (g_maff == a)
 		return;
 
 	switch (a) {
 	case 16:
-		s.pourc[9] = '*';
-		s.teauto[42] = '*';
+		g_s.pourc[9] = '*';
+		g_s.teauto[42] = '*';
 		break;
 	case 20:
-		s.teauto[39] = '*';
-		if (s.teauto[36] == '*') {
-			s.pourc[3] = '*';
-			s.teauto[38] = '*';
+		g_s.teauto[39] = '*';
+		if (g_s.teauto[36] == '*') {
+			g_s.pourc[3] = '*';
+			g_s.teauto[38] = '*';
 		}
 		break;
 	case 24:
-		s.teauto[37] = '*';
+		g_s.teauto[37] = '*';
 		break;
 	case 30:
-		s.teauto[9] = '*';
+		g_s.teauto[9] = '*';
 		break;
 	case 31:
-		s.pourc[4] = '*';
-		s.teauto[35] = '*';
+		g_s.pourc[4] = '*';
+		g_s.teauto[35] = '*';
 		break;
 	case 118:
-		s.teauto[41] = '*';
+		g_s.teauto[41] = '*';
 		break;
 	case 143:
-		s.pourc[1] = '*';
+		g_s.pourc[1] = '*';
 		break;
 	case 150:
-		s.teauto[34] = '*';
+		g_s.teauto[34] = '*';
 		break;
 	case 151:
-		s.pourc[2] = '*';
+		g_s.pourc[2] = '*';
 		break;
 	default:
 		break;
@@ -160,7 +160,7 @@ void taffich() {
 			m = 2010;
 		if (a == 32)
 			m = 2034;
-		if ((a == 17) && (_maff == 14))
+		if ((a == 17) && (g_maff == 14))
 			m = 2018;
 		if (a > 99)
 			if ((is == 1) || (is == 0))
@@ -169,10 +169,10 @@ void taffich() {
 				m = 2032;
 		if (((a > 69) && (a < 80)) || (a == 30) || (a == 31) || (a == 144) || (a == 147) || (a == 149))
 			m = 2030;
-		if (((a < 27) && (((_maff > 69) && (! s.ipre)) || (_maff > 99))) || ((_maff > 29) && (_maff < 33)))
+		if (((a < 27) && (((g_maff > 69) && (!g_s.ipre)) || (g_maff > 99))) || ((g_maff > 29) && (g_maff < 33)))
 			m = 2033;
 		messint(m);
-		_maff = a;
+		g_maff = a;
 		if (a == 159)
 			a = 86;
 		else if (a > 140)
@@ -203,11 +203,11 @@ void taffich() {
 			lgt = handle;
 			handle = g_l[88];
 		}
-		_maff = a;
+		g_maff = a;
 		npal = a + 37;
 	}
 	chardes(filename, lgt, handle);
-	if (_currGraphicalDevice == MODE_HERCULES) {
+	if (g_currGraphicalDevice == MODE_HERCULES) {
 		for (int i = 0; i <= 15; ++i) {
 			int palh = READ_LE_UINT16(&mem[(0x7000 * 16) + ((i + 1) << 1)]);
 			alllum[i] = (palh & 15) + (((uint)palh >> 12) & 15) + (((uint)palh >> 8) & 15);
@@ -244,11 +244,11 @@ void taffich() {
 		charani(filename, lgt, handle);
 	}
 	showMouse();
-	if ((a < 27) && ((_maff < 27) || (s.mlieu == 15)) && (msg[4] != OPCODE_ENTER)) {
+	if ((a < 27) && ((g_maff < 27) || (g_s.mlieu == 15)) && (g_msg[4] != OPCODE_ENTER)) {
 		if ((a == 13) || (a == 14))
 			person();
 		else if (! blo)
-			t11(s.mlieu, cx);
+			t11(g_s.mlieu, cx);
 		mpers =  0;
 	}
 }
diff --git a/engines/mortevielle/var_mor.cpp b/engines/mortevielle/var_mor.cpp
index 42fab06f7c..138b604c3a 100644
--- a/engines/mortevielle/var_mor.cpp
+++ b/engines/mortevielle/var_mor.cpp
@@ -91,7 +91,7 @@ bool blo,
         bt7,
         bh9,
 
-        _soundOff,
+        g_soundOff,
         main1,
         choisi,
         test0,
@@ -99,7 +99,7 @@ bool blo,
         imen,
         cache,
         iesc,
-        col,
+        g_col,
         syn,
         fouil,
         zuul,
@@ -114,8 +114,8 @@ bool blo,
 
 
 int g_x,
-        y,
-        t,
+        g_y,
+        g_t,
         vj,
         li,
         vh,
@@ -123,20 +123,19 @@ int g_x,
         jh,
         mh,
         cs,
-        _currGraphicalDevice,
+        g_currGraphicalDevice,
         hdb,
         hfb,
-        _hour,
-        _day,
-        key,
-        _minute,
-        num,
-        max,
+        g_hour,
+        g_day,
+        g_key,
+        g_minute,
+        g_num,
         res,
         ment,
-        haut,
+        g_haut,
         caff,
-        _maff,
+        g_maff,
         crep,
         ades,
         iouv,
@@ -146,7 +145,7 @@ int g_x,
         msg3,
         msg4,
         mlec,
-        _newGraphicalDevice,
+        g_newGraphicalDevice,
         c_zzz,
         mchai,
         menup,
@@ -162,7 +161,6 @@ int g_x,
         typlec,
         num_ph,
         numpal,
-        lderobj,
         nb_word,
         ptr_oct,
         k_tempo,
@@ -179,9 +177,9 @@ byte mode;
 
 int nbrep[9];
 int nbrepm[9];
-int msg[5];
+int g_msg[5];
 byte touv[8];
-sav_chaine s, s1;
+sav_chaine g_s, s1;
 byte bufcha[391];
 
 byte lettres[7][24];
diff --git a/engines/mortevielle/var_mor.h b/engines/mortevielle/var_mor.h
index 5769b61064..1ccea2c7b3 100644
--- a/engines/mortevielle/var_mor.h
+++ b/engines/mortevielle/var_mor.h
@@ -232,7 +232,7 @@ extern bool blo,
         bt7,
         bh9,
 
-        _soundOff,
+        g_soundOff,
         main1,
         choisi,
         test0,
@@ -240,7 +240,7 @@ extern bool blo,
         imen,
         cache,
         iesc,
-        col,
+        g_col,
         syn,
         fouil,
         zuul,
@@ -254,8 +254,8 @@ extern bool blo,
 
 
 extern int g_x,
-        y,
-        t,
+        g_y,
+        g_t,
         vj,
         li,
         vh,
@@ -263,20 +263,19 @@ extern int g_x,
         jh,
         mh,
         cs,
-        _currGraphicalDevice,
+        g_currGraphicalDevice,
         hdb,
         hfb,
-        _hour,
-        _day,
-        key,
-        _minute,
-        num,
-        max,
+        g_hour,
+        g_day,
+        g_key,
+        g_minute,
+        g_num,
         res,
         ment,
-        haut,
+        g_haut,
         caff,
-        _maff,
+        g_maff,
         crep,
         ades,
         iouv,
@@ -286,7 +285,7 @@ extern int g_x,
         msg3,
         msg4,
         mlec,
-        _newGraphicalDevice,
+        g_newGraphicalDevice,
         c_zzz,
         mchai,
         menup,
@@ -302,7 +301,6 @@ extern int g_x,
         typlec,
         num_ph,
         numpal,
-        lderobj,
         nb_word,
         ptr_oct,
         k_tempo,
@@ -319,9 +317,9 @@ extern byte mode;
 
 extern int nbrep[9];
 extern int nbrepm[9];
-extern int msg[5];
+extern int g_msg[5];
 extern byte touv[8];
-extern sav_chaine s, s1;
+extern sav_chaine g_s, s1;
 extern byte bufcha[391];
 
 extern byte lettres[7][24];