diff --git a/common/rect.h b/common/rect.h
index 96437d752f2..f7d7a6606c5 100644
--- a/common/rect.h
+++ b/common/rect.h
@@ -44,15 +44,15 @@ namespace Common {
  * Simple class for handling both 2D position and size.
  */
 struct Point {
-	int16 x;	/*!< The horizontal position of the point. */
-	int16 y;	/*!< The vertical position of the point. */
+	int32 x;	/*!< The horizontal position of the point. */
+	int32 y;	/*!< The vertical position of the point. */
 
 	Point() : x(0), y(0) {}
 
 	/**
 	 * Create a point with position defined by @p x1 and @p y1.
 	 */
-	Point(int16 x1, int16 y1) : x(x1), y(y1) {}
+	Point(int32 x1, int32 y1) : x(x1), y(y1) {}
 	/**
 	 * Determine whether the position of two points is the same.
 	 */
@@ -143,21 +143,21 @@ static inline Point operator*(double multiplier, const Point &p) { return Point(
  * When writing code using our Rect class, always keep this principle in mind!
 */
 struct Rect {
-	int16 top, left;		/*!< The point at the top left of the rectangle (part of the Rect). */
-	int16 bottom, right;	/*!< The point at the bottom right of the rectangle (not part of the Rect). */
+	int32 top, left;		/*!< The point at the top left of the rectangle (part of the Rect). */
+	int32 bottom, right;	/*!< The point at the bottom right of the rectangle (not part of the Rect). */
 
 	Rect() : top(0), left(0), bottom(0), right(0) {}
 	/**
 	 * Create a rectangle with the top-left corner at position (0, 0) and the given width @p w and height @p h.
 	 */
-	Rect(int16 w, int16 h) : top(0), left(0), bottom(h), right(w) {}
+	Rect(int32 w, int32 h) : top(0), left(0), bottom(h), right(w) {}
 	/**
 	 * Create a rectangle with the top-left corner at the given position (x1, y1)
 	 * and the bottom-right corner at the position (x2, y2).
 	 *
 	 * The @p x2 value must be greater or equal @p x1 and @p y2 must be greater or equal @p y1.
 	 */
-	Rect(int16 x1, int16 y1, int16 x2, int16 y2) : top(y1), left(x1), bottom(y2), right(x2) {
+	Rect(int32 x1, int32 y1, int32 x2, int32 y2) : top(y1), left(x1), bottom(y2), right(x2) {
 		assert(isValidRect());
 	}
 	/**
@@ -173,14 +173,14 @@ struct Rect {
 	 */
 	bool operator!=(const Rect &rhs) const { return !equals(rhs); }
 
-	int16 width() const { return right - left; }  /*!< Return the width of a rectangle. */
-	int16 height() const { return bottom - top; } /*!< Return the height of a rectangle. */
+	int32 width() const { return right - left; }  /*!< Return the width of a rectangle. */
+	int32 height() const { return bottom - top; } /*!< Return the height of a rectangle. */
 
-	void setWidth(int16 aWidth) {   /*!< Set the width to @p aWidth value. */
+	void setWidth(int32 aWidth) {   /*!< Set the width to @p aWidth value. */
 		right = left + aWidth;
 	}
 
-	void setHeight(int16 aHeight) { /*!< Set the height to @p aHeight value. */
+	void setHeight(int32 aHeight) { /*!< Set the height to @p aHeight value. */
 		bottom = top + aHeight;
 	}
 
@@ -192,7 +192,7 @@ struct Rect {
 	 *
 	 * @return True if the given position is inside this rectangle, false otherwise.
 	 */
-	bool contains(int16 x, int16 y) const {
+	bool contains(int32 x, int32 y) const {
 		return (left <= x) && (x < right) && (top <= y) && (y < bottom);
 	}
 
@@ -272,7 +272,7 @@ struct Rect {
 	 *
 	 * @param offset The size to grow by.
 	 */
-	void grow(int16 offset) {
+	void grow(int32 offset) {
 		top -= offset;
 		left -= offset;
 		bottom += offset;
@@ -302,7 +302,7 @@ struct Rect {
    	/**
 	 * Reduce the dimensions of this rectangle by setting max width and max heigth.
 	 */
-	void clip(int16 maxw, int16 maxh) {
+	void clip(int32 maxw, int32 maxh) {
 		clip(Rect(0, 0, maxw, maxh));
 	}
 
@@ -326,7 +326,7 @@ struct Rect {
 	/**
 	 * Move this rectangle to the position defined by @p x, @p y.
 	 */
-	void moveTo(int16 x, int16 y) {
+	void moveTo(int32 x, int32 y) {
 		bottom += y - top;
 		right += x - left;
 		top = y;
@@ -336,7 +336,7 @@ struct Rect {
 	/**
 	 * Move the rectangle by the given delta x and y values.
 	 */
-	void translate(int16 dx, int16 dy) {
+	void translate(int32 dx, int32 dy) {
 		left += dx; right += dx;
 		top += dy; bottom += dy;
 	}
@@ -359,7 +359,7 @@ struct Rect {
 	 * Create a rectangle around the given center.
 	 * @note The center point is rounded up and left when given an odd width and height.
 	 */
-	static Rect center(int16 cx, int16 cy, int16 w, int16 h) {
+	static Rect center(int32 cx, int32 cy, int32 w, int32 h) {
 		int x = cx - w / 2, y = cy - h / 2;
 		return Rect(x, y, x + w, y + h);
 	}
diff --git a/engines/access/bubble_box.cpp b/engines/access/bubble_box.cpp
index 063062291df..63d318c32a8 100644
--- a/engines/access/bubble_box.cpp
+++ b/engines/access/bubble_box.cpp
@@ -67,7 +67,7 @@ void BubbleBox::clearBubbles() {
 		_vm->_screen->_screenYOff = 0;
 		Common::Rect r = _bubbles[i];
 		r.left -= 2;
-		r.right = MIN(r.right, (int16)_vm->_screen->w);
+		r.right = MIN(r.right, (int32)_vm->_screen->w);
 
 		_vm->_screen->copyBlock(&_vm->_buffer1, r);
 	}
diff --git a/engines/bladerunner/bladerunner.cpp b/engines/bladerunner/bladerunner.cpp
index 6ef98f252a5..75618838977 100644
--- a/engines/bladerunner/bladerunner.cpp
+++ b/engines/bladerunner/bladerunner.cpp
@@ -1026,8 +1026,8 @@ bool BladeRunnerEngine::loadSplash() {
 
 Common::Point BladeRunnerEngine::getMousePos() const {
 	Common::Point p = _eventMan->getMousePos();
-	p.x = CLIP(p.x, int16(0), int16(639));
-	p.y = CLIP(p.y, int16(0), int16(479));
+	p.x = CLIP(p.x, int32(0), int32(639));
+	p.y = CLIP(p.y, int32(0), int32(479));
 	return p;
 }
 
diff --git a/engines/bladerunner/ui/esper.cpp b/engines/bladerunner/ui/esper.cpp
index e6f3012030d..569c58ba985 100644
--- a/engines/bladerunner/ui/esper.cpp
+++ b/engines/bladerunner/ui/esper.cpp
@@ -957,10 +957,10 @@ void ESPER::drawPhotoWithGrid(Graphics::Surface &surface) {
 }
 
 void ESPER::drawSelection(Graphics::Surface &surface, bool crosshair, int style) {
-	int left   = CLIP(_selection.left,   _screen.left, (int16)(_screen.right  - 1));
-	int top    = CLIP(_selection.top,    _screen.top,  (int16)(_screen.bottom - 1));
-	int right  = CLIP(_selection.right,  _screen.left, (int16)(_screen.right  - 1));
-	int bottom = CLIP(_selection.bottom, _screen.top,  (int16)(_screen.bottom - 1));
+	int left   = CLIP(_selection.left,   _screen.left, (int32)(_screen.right  - 1));
+	int top    = CLIP(_selection.top,    _screen.top,  (int32)(_screen.bottom - 1));
+	int right  = CLIP(_selection.right,  _screen.left, (int32)(_screen.right  - 1));
+	int bottom = CLIP(_selection.bottom, _screen.top,  (int32)(_screen.bottom - 1));
 
 	int color = surface.format.RGBToColor(0, 144, 0);
 	if (style) {
diff --git a/engines/cruise/cruise_main.cpp b/engines/cruise/cruise_main.cpp
index 0857712e0a6..3250c19fdee 100644
--- a/engines/cruise/cruise_main.cpp
+++ b/engines/cruise/cruise_main.cpp
@@ -1389,8 +1389,8 @@ bool checkInput(int16 *buttonPtr) {
 extern bool manageEvents();
 
 int CruiseEngine::processInput() {
-	int16 mouseX = 0;
-	int16 mouseY = 0;
+	int32 mouseX = 0;
+	int32 mouseY = 0;
 	int16 button = 0;
 
 	/*if (inputSub1keyboad())
@@ -1746,7 +1746,7 @@ bool manageEvents() {
 	return false;
 }
 
-void getMouseStatus(int16 *pMouseVar, int16 *pMouseX, int16 *pMouseButton, int16 *pMouseY) {
+void getMouseStatus(int16 *pMouseVar, int32 *pMouseX, int16 *pMouseButton, int32 *pMouseY) {
 	*pMouseX = currentMouseX;
 	*pMouseY = currentMouseY;
 	*pMouseButton = currentMouseButton;
@@ -1757,7 +1757,7 @@ void CruiseEngine::mainLoop() {
 	//int32 t_start,t_left;
 	//uint32 t_end;
 	//int32 q=0;                     /* Dummy */
-	int16 mouseX, mouseY;
+	int32 mouseX, mouseY;
 	int16 mouseButton;
 
 	int enableUser = 0;
diff --git a/engines/cruise/cruise_main.h b/engines/cruise/cruise_main.h
index f9d0e2fc786..ea3bb5fb54c 100644
--- a/engines/cruise/cruise_main.h
+++ b/engines/cruise/cruise_main.h
@@ -101,7 +101,7 @@ void getFileExtention(const char *name, char *buffer);
 void *allocAndZero(int size);
 void freeStuff2();
 void mainLoop();
-void getMouseStatus(int16 *pMouseVar, int16 *pMouseX, int16 *pMouseButton, int16 *pMouseY);
+void getMouseStatus(int16 *pMouseVar, int32 *pMouseX, int16 *pMouseButton, int32 *pMouseY);
 bool testMask(int x, int y, unsigned char* pData, int stride);
 menuElementSubStruct *getSelectedEntryInMenu(menuStruct *pMenu);
 void closeAllMenu();
diff --git a/engines/cruise/function.cpp b/engines/cruise/function.cpp
index 18dcaeeb508..11a4a6821d9 100644
--- a/engines/cruise/function.cpp
+++ b/engines/cruise/function.cpp
@@ -164,8 +164,8 @@ int16 Op_Narrator() {
 
 int16 Op_GetMouseX() {
 	int16 dummy;
-	int16 mouseX;
-	int16 mouseY;
+	int32 mouseX;
+	int32 mouseY;
 	int16 mouseButton;
 
 	getMouseStatus(&dummy, &mouseX, &mouseButton, &mouseY);
@@ -175,8 +175,8 @@ int16 Op_GetMouseX() {
 
 int16 Op_GetMouseY() {
 	int16 dummy;
-	int16 mouseX;
-	int16 mouseY;
+	int32 mouseX;
+	int32 mouseY;
 	int16 mouseButton;
 
 	getMouseStatus(&dummy, &mouseX, &mouseButton, &mouseY);
@@ -705,8 +705,8 @@ int16 Op_FadeIn() {
 
 int16 Op_GetMouseButton() {
 	int16 dummy;
-	int16 mouseX;
-	int16 mouseY;
+	int32 mouseX;
+	int32 mouseY;
 	int16 mouseButton;
 
 	getMouseStatus(&dummy, &mouseX, &mouseButton, &mouseY);
diff --git a/engines/cruise/gfxModule.cpp b/engines/cruise/gfxModule.cpp
index 9fd94d7ea6c..937574f7e9a 100644
--- a/engines/cruise/gfxModule.cpp
+++ b/engines/cruise/gfxModule.cpp
@@ -230,8 +230,8 @@ void gfxModuleData_flipScreen() {
 }
 
 void gfxModuleData_addDirtyRect(const Common::Rect &r) {
-	_vm->_dirtyRects.push_back(Common::Rect(	MAX(r.left, (int16)0), MAX(r.top, (int16)0),
-		MIN(r.right, (int16)320), MIN(r.bottom, (int16)200)));
+	_vm->_dirtyRects.push_back(Common::Rect(	MAX(r.left, (int32)0), MAX(r.top, (int32)0),
+		MIN(r.right, (int32)320), MIN(r.bottom, (int32)200)));
 }
 
 /**
diff --git a/engines/cruise/mainDraw.cpp b/engines/cruise/mainDraw.cpp
index 015d0b07e93..c952a1dc9aa 100644
--- a/engines/cruise/mainDraw.cpp
+++ b/engines/cruise/mainDraw.cpp
@@ -1561,8 +1561,8 @@ void mainDraw(bool waitFl) {
 			return;
 		}
 	} else if ((linkedRelation) && (linkedMsgList)) {
-		int16 mouseX;
-		int16 mouseY;
+		int32 mouseX;
+		int32 mouseY;
 		int16 button;
 		getMouseStatus(&main10, &mouseX, &button, &mouseY);
 
diff --git a/engines/cruise/menu.cpp b/engines/cruise/menu.cpp
index 295eef4d480..cc2c5c2adee 100644
--- a/engines/cruise/menu.cpp
+++ b/engines/cruise/menu.cpp
@@ -152,8 +152,8 @@ void updateMenuMouse(int mouseX, int mouseY, menuStruct *pMenu) {
 bool manageEvents();
 
 int processMenu(menuStruct *pMenu) {
-	int16 mouseX;
-	int16 mouseY;
+	int32 mouseX;
+	int32 mouseY;
 	int16 mouseButton;
 	int di;
 	int si;
diff --git a/engines/glk/selection.cpp b/engines/glk/selection.cpp
index 63d900b5025..df4b17fcbad 100644
--- a/engines/glk/selection.cpp
+++ b/engines/glk/selection.cpp
@@ -147,8 +147,8 @@ void Selection::startSelection(const Point &pos) {
 		return;
 	}
 
-	tx = MIN(pos.x, (int16)_hor);
-	ty = MIN(pos.y, (int16)_ver);
+	tx = MIN(pos.x, (int32)_hor);
+	ty = MIN(pos.y, (int32)_ver);
 
 	_select.left = _select.right = _last.x = tx;
 	_select.top = _select.bottom = _last.y = ty;
@@ -167,8 +167,8 @@ void Selection::moveSelection(const Point &pos) {
 		return;
 	}
 
-	tx = MIN(pos.x, (int16)_hor);
-	ty = MIN(pos.y, (int16)_ver);
+	tx = MIN(pos.x, (int32)_hor);
+	ty = MIN(pos.y, (int32)_ver);
 
 	_select.right = _last.x = tx;
 	_select.bottom = _last.y = ty;
diff --git a/engines/glk/window_text_grid.h b/engines/glk/window_text_grid.h
index 60f74b61f0e..eb272be3c7d 100644
--- a/engines/glk/window_text_grid.h
+++ b/engines/glk/window_text_grid.h
@@ -101,8 +101,8 @@ public:
 	 */
 	void setSize(const Point &newSize) override {
 		Window::setSize(newSize);
-		_curX = CLIP((int16)_curX, _bbox.left, _bbox.right);
-		_curY = CLIP((int16)_curY, _bbox.top, _bbox.bottom);
+		_curX = CLIP((int32)_curX, _bbox.left, _bbox.right);
+		_curY = CLIP((int32)_curY, _bbox.top, _bbox.bottom);
 	}
 
 	/**
@@ -110,8 +110,8 @@ public:
 	 */
 	void setPosition(const Point &newPos) override {
 		_bbox.moveTo(newPos);
-		_curX = CLIP((int16)_curX, _bbox.left, _bbox.right);
-		_curY = CLIP((int16)_curY, _bbox.top, _bbox.bottom);
+		_curX = CLIP((int32)_curX, _bbox.left, _bbox.right);
+		_curY = CLIP((int32)_curY, _bbox.top, _bbox.bottom);
 	}
 
 	/**
diff --git a/engines/hopkins/graphics.cpp b/engines/hopkins/graphics.cpp
index 86a25c5ea44..ab9ad12da2d 100644
--- a/engines/hopkins/graphics.cpp
+++ b/engines/hopkins/graphics.cpp
@@ -1227,10 +1227,10 @@ void GraphicsManager::displayDebugRect(Graphics::Surface *surface, const Common:
 
 	// Move for scrolling offset and adjust to crop on-screen
 	r.translate(-_scrollPosX, 0);
-	r.left = MAX(r.left, (int16)0);
-	r.top = MAX(r.top, (int16)0);
-	r.right = MIN(r.right, (int16)SCREEN_WIDTH);
-	r.bottom = MIN(r.bottom, (int16)SCREEN_HEIGHT);
+	r.left = MAX(r.left, (int32)0);
+	r.top = MAX(r.top, (int32)0);
+	r.right = MIN(r.right, (int32)SCREEN_WIDTH);
+	r.bottom = MIN(r.bottom, (int32)SCREEN_HEIGHT);
 
 	// If there's an on-screen portion, display it
 	if (r.isValidRect())
diff --git a/engines/macventure/gui.cpp b/engines/macventure/gui.cpp
index 6551a8d2ffb..075ad02196a 100644
--- a/engines/macventure/gui.cpp
+++ b/engines/macventure/gui.cpp
@@ -738,8 +738,8 @@ void Gui::drawDraggedObject() {
 		ImageAsset *asset = _assets[_draggedObj.id];
 
 		// In case of overflow from the right/top
-		uint w = asset->getWidth() + MIN((int16)0, _draggedObj.pos.x);
-		uint h = asset->getHeight() + MIN((int16)0, _draggedObj.pos.y);
+		uint w = asset->getWidth() + MIN((int32)0, _draggedObj.pos.x);
+		uint h = asset->getHeight() + MIN((int32)0, _draggedObj.pos.y);
 
 		// In case of overflow from the bottom/left
 		if (_draggedObj.pos.x > 0 && _draggedObj.pos.x + w > kScreenWidth) {
@@ -766,7 +766,7 @@ void Gui::drawDraggedObject() {
 				target.x + _draggedSurface.w,
 				target.y + _draggedSurface.h),
 			Common::Point(0, 0));
-		asset->blitInto(&_draggedSurface, MIN((int16)0, _draggedObj.pos.x), MIN((int16)0, _draggedObj.pos.y), kBlitBIC);
+		asset->blitInto(&_draggedSurface, MIN((int32)0, _draggedObj.pos.x), MIN((int32)0, _draggedObj.pos.y), kBlitBIC);
 
 		g_system->copyRectToScreen(
 			_draggedSurface.getBasePtr(0, 0),
diff --git a/engines/mads/camera.cpp b/engines/mads/camera.cpp
index eb5942842ae..75288ea768c 100644
--- a/engines/mads/camera.cpp
+++ b/engines/mads/camera.cpp
@@ -83,7 +83,7 @@ void Camera::camPanTo(int target) {
 	}
 }
 
-bool Camera::camPan(int16 *picture_view, int16 *player_loc, int display_size, int picture_size) {
+bool Camera::camPan(int32 *picture_view, int32 *player_loc, int display_size, int picture_size) {
 	bool panningFl = false;
 	if (_panAllowedFl) {
 		Scene &scene = _vm->_game->_scene;
diff --git a/engines/mads/camera.h b/engines/mads/camera.h
index 63f1f9f7ff0..ccf4c4cac39 100644
--- a/engines/mads/camera.h
+++ b/engines/mads/camera.h
@@ -53,7 +53,7 @@ public:
 	Camera(MADSEngine *vm);
 
 	void camPanTo(int target);
-	bool camPan(int16 *picture_view, int16 *player_loc, int display_size, int picture_size);
+	bool camPan(int32 *picture_view, int32 *player_loc, int display_size, int picture_size);
 	void setDefaultPanX();
 	void setDefaultPanY();
 };
diff --git a/engines/mads/player.cpp b/engines/mads/player.cpp
index f1fe7eaf59f..bcd2f708573 100644
--- a/engines/mads/player.cpp
+++ b/engines/mads/player.cpp
@@ -342,7 +342,7 @@ void Player::update() {
 			scene._spriteSlots[slotIndex]._flags = IMG_ERASE;
 
 		int newDepth = 1;
-		int yp = MIN(_playerPos.y, (int16)(MADS_SCENE_HEIGHT - 1));
+		int yp = MIN(_playerPos.y, (int32)(MADS_SCENE_HEIGHT - 1));
 
 		for (int idx = 1; idx < DEPTH_BANDS_SIZE; ++idx) {
 			if (scene._sceneInfo->_depthList[newDepth] >= yp)
diff --git a/engines/pegasus/types.h b/engines/pegasus/types.h
index 3ffbf7ac17a..5ef7efadb2f 100644
--- a/engines/pegasus/types.h
+++ b/engines/pegasus/types.h
@@ -46,7 +46,7 @@ typedef uint32 NotificationFlags;
 
 // Mac types.
 typedef int16 ResIDType;
-typedef int16 CoordType;
+typedef int32 CoordType;
 
 enum SlideDirection {
 	kSlideLeftMask = 1,
diff --git a/engines/prince/cursor.cpp b/engines/prince/cursor.cpp
index a4e58dc4a28..0bd2eb1f206 100644
--- a/engines/prince/cursor.cpp
+++ b/engines/prince/cursor.cpp
@@ -80,8 +80,8 @@ void PrinceEngine::changeCursor(uint16 curId) {
 	case 3:
 		curSurface = _cursor3->getSurface();
 		Common::Point mousePos = _system->getEventManager()->getMousePos();
-		mousePos.x = CLIP(mousePos.x, (int16) 315, (int16) 639);
-		mousePos.y = CLIP(mousePos.y, (int16) 0, (int16) 170);
+		mousePos.x = CLIP(mousePos.x, (int32) 315, (int32) 639);
+		mousePos.y = CLIP(mousePos.y, (int32) 0, (int32) 170);
 		_system->warpMouse(mousePos.x, mousePos.y);
 		break;
 	}
diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp
index 81177a45169..ebdf1bc1961 100644
--- a/engines/prince/prince.cpp
+++ b/engines/prince/prince.cpp
@@ -1016,9 +1016,9 @@ void PrinceEngine::mouseWeirdo() {
 		default:
 			break;
 		}
-		mousePos.x = CLIP(mousePos.x, (int16) 315, (int16) 639);
+		mousePos.x = CLIP(mousePos.x, (int32) 315, (int32) 639);
 		_flags->setFlagValue(Flags::MXFLAG, mousePos.x);
-		mousePos.y = CLIP(mousePos.y, (int16) 0, (int16) 170);
+		mousePos.y = CLIP(mousePos.y, (int32) 0, (int32) 170);
 		_flags->setFlagValue(Flags::MYFLAG, mousePos.y);
 		_system->warpMouse(mousePos.x, mousePos.y);
 	}
diff --git a/engines/sci/engine/kevent.cpp b/engines/sci/engine/kevent.cpp
index b57b43ac960..b95f21a8a65 100644
--- a/engines/sci/engine/kevent.cpp
+++ b/engines/sci/engine/kevent.cpp
@@ -323,8 +323,8 @@ reg_t kGlobalToLocal(EngineState *s, int argc, reg_t *argv) {
 	SegManager *segMan = s->_segMan;
 
 	if (obj.getSegment()) {
-		int16 x = readSelectorValue(segMan, obj, SELECTOR(x));
-		int16 y = readSelectorValue(segMan, obj, SELECTOR(y));
+		int32 x = readSelectorValue(segMan, obj, SELECTOR(x));
+		int32 y = readSelectorValue(segMan, obj, SELECTOR(y));
 
 		g_sci->_gfxCoordAdjuster->kernelGlobalToLocal(x, y);
 
@@ -341,8 +341,8 @@ reg_t kLocalToGlobal(EngineState *s, int argc, reg_t *argv) {
 	SegManager *segMan = s->_segMan;
 
 	if (obj.getSegment()) {
-		int16 x = readSelectorValue(segMan, obj, SELECTOR(x));
-		int16 y = readSelectorValue(segMan, obj, SELECTOR(y));
+		int32 x = readSelectorValue(segMan, obj, SELECTOR(x));
+		int32 y = readSelectorValue(segMan, obj, SELECTOR(y));
 
 		g_sci->_gfxCoordAdjuster->kernelLocalToGlobal(x, y);
 
diff --git a/engines/sci/graphics/coordadjuster.cpp b/engines/sci/graphics/coordadjuster.cpp
index 2f22d191d07..50525679649 100644
--- a/engines/sci/graphics/coordadjuster.cpp
+++ b/engines/sci/graphics/coordadjuster.cpp
@@ -39,13 +39,13 @@ GfxCoordAdjuster16::GfxCoordAdjuster16(GfxPorts *ports)
 GfxCoordAdjuster16::~GfxCoordAdjuster16() {
 }
 
-void GfxCoordAdjuster16::kernelGlobalToLocal(int16 &x, int16 &y, reg_t planeObject) {
+void GfxCoordAdjuster16::kernelGlobalToLocal(int32 &x, int32 &y, reg_t planeObject) {
 	Port *curPort = _ports->getPort();
 	x -= curPort->left;
 	y -= curPort->top;
 }
 
-void GfxCoordAdjuster16::kernelLocalToGlobal(int16 &x, int16 &y, reg_t planeObject) {
+void GfxCoordAdjuster16::kernelLocalToGlobal(int32 &x, int32 &y, reg_t planeObject) {
 	Port *curPort = _ports->getPort();
 	x += curPort->left;
 	y += curPort->top;
diff --git a/engines/sci/graphics/coordadjuster.h b/engines/sci/graphics/coordadjuster.h
index f7ebd3ec75f..789f3a6af44 100644
--- a/engines/sci/graphics/coordadjuster.h
+++ b/engines/sci/graphics/coordadjuster.h
@@ -40,8 +40,8 @@ public:
 	GfxCoordAdjuster16(GfxPorts *ports);
 	~GfxCoordAdjuster16();
 
-	void kernelGlobalToLocal(int16 &x, int16 &y, reg_t planeObject = NULL_REG);
-	void kernelLocalToGlobal(int16 &x, int16 &y, reg_t planeObject = NULL_REG);
+	void kernelGlobalToLocal(int32 &x, int32 &y, reg_t planeObject = NULL_REG);
+	void kernelLocalToGlobal(int32 &x, int32 &y, reg_t planeObject = NULL_REG);
 
 	Common::Rect onControl(Common::Rect rect);
 	void setCursorPos(Common::Point &pos);
diff --git a/engines/sci/graphics/menu.cpp b/engines/sci/graphics/menu.cpp
index 45f0ba3402a..bde998f9c58 100644
--- a/engines/sci/graphics/menu.cpp
+++ b/engines/sci/graphics/menu.cpp
@@ -363,8 +363,8 @@ void GfxMenu::drawBar() {
 	listIterator = _list.begin();
 	while (listIterator != listEnd) {
 		listEntry = *listIterator;
-		int16 textWidth;
-		int16 textHeight;
+		int32 textWidth;
+		int32 textHeight;
 		if (g_sci->isLanguageRTL()) {
 			_text16->StringWidth(listEntry->textSplit.c_str(), _text16->GetFontId(), textWidth, textHeight);
 			_ports->_curPort->curLeft -= textWidth;
@@ -383,7 +383,7 @@ void GfxMenu::calculateMenuWidth() {
 	GuiMenuList::iterator menuIterator;
 	GuiMenuList::iterator menuEnd = _list.end();
 	GuiMenuEntry *menuEntry;
-	int16 dummyHeight;
+	int32 dummyHeight;
 
 	menuIterator = _list.begin();
 	while (menuIterator != menuEnd) {
@@ -400,7 +400,7 @@ void GfxMenu::calculateMenuAndItemWidth() {
 	GuiMenuItemList::iterator itemIterator;
 	GuiMenuItemList::iterator itemEnd = _itemList.end();
 	GuiMenuItemEntry *itemEntry;
-	int16 dummyHeight;
+	int32 dummyHeight;
 
 	calculateMenuWidth();
 
@@ -1024,8 +1024,8 @@ void GfxMenu::kernelDrawStatus(const char *text, int16 colorPen, int16 colorBack
 	if (!g_sci->isLanguageRTL()) {
 		_ports->moveTo(0, 1);
 	} else {
-		int16 textWidth;
-		int16 textHeight;
+		int32 textWidth;
+		int32 textHeight;
 		_text16->StringWidth(text, _text16->GetFontId(), textWidth, textHeight);
 		_ports->moveTo(_screen->getWidth() - textWidth, 1);
 	}
diff --git a/engines/sci/graphics/menu.h b/engines/sci/graphics/menu.h
index 95fd4f6c202..1ad12fbfb14 100644
--- a/engines/sci/graphics/menu.h
+++ b/engines/sci/graphics/menu.h
@@ -43,7 +43,7 @@ struct GuiMenuEntry {
 	uint16 id;
 	Common::String text;
 	Common::String textSplit;
-	int16 textWidth;
+	int32 textWidth;
 
 	GuiMenuEntry(uint16 curId)
 	 : id(curId), textWidth(0) { }
@@ -62,9 +62,9 @@ struct GuiMenuItemEntry {
 	Common::String text;
 	Common::String textSplit;
 	reg_t textVmPtr;
-	int16 textWidth;
+	int32 textWidth;
 	Common::String textRightAligned;
-	int16 textRightAlignedWidth;
+	int32 textRightAlignedWidth;
 
 	GuiMenuItemEntry(uint16 curMenuId, uint16 curId)
 	 : menuId(curMenuId), id(curId),
diff --git a/engines/sci/graphics/picture.cpp b/engines/sci/graphics/picture.cpp
index 86fe891f39c..f8c30b70e95 100644
--- a/engines/sci/graphics/picture.cpp
+++ b/engines/sci/graphics/picture.cpp
@@ -82,9 +82,9 @@ void GfxPicture::draw(bool mirroredFlag, bool addToFlag, int16 EGApaletteNo) {
 }
 
 void GfxPicture::reset() {
-	int16 startY = _ports->getPort()->top;
-	int16 startX = 0;
-	int16 x, y;
+	int32 startY = _ports->getPort()->top;
+	int32 startX = 0;
+	int32 x, y;
 	_screen->vectorAdjustCoordinate(&startX, &startY);
 	for (y = startY; y < _screen->getHeight(); y++) {
 		for (x = startX; x < _screen->getWidth(); x++) {
@@ -868,11 +868,11 @@ void GfxPicture::vectorFloodFill(int16 x, int16 y, byte color, byte priority, by
 	}
 
 	// hard borders for filling
-	int16 borderLeft = curPort->rect.left + curPort->left;
-	int16 borderTop = curPort->rect.top + curPort->top;
-	int16 borderRight = curPort->rect.right + curPort->left - 1;
-	int16 borderBottom = curPort->rect.bottom + curPort->top - 1;
-	int16 curToLeft, curToRight, a_set, b_set;
+	int32 borderLeft = curPort->rect.left + curPort->left;
+	int32 borderTop = curPort->rect.top + curPort->top;
+	int32 borderRight = curPort->rect.right + curPort->left - 1;
+	int32 borderBottom = curPort->rect.bottom + curPort->top - 1;
+	int32 curToLeft, curToRight, a_set, b_set;
 
 	// Translate coordinates, if required (needed for Macintosh 480x300)
 	_screen->vectorAdjustCoordinate(&borderLeft, &borderTop);
diff --git a/engines/sci/graphics/screen.cpp b/engines/sci/graphics/screen.cpp
index 24b6569f041..486f6530dee 100644
--- a/engines/sci/graphics/screen.cpp
+++ b/engines/sci/graphics/screen.cpp
@@ -980,12 +980,12 @@ struct UpScaledAdjust {
 	int denominator;
 };
 
-void GfxScreen::adjustToUpscaledCoordinates(int16 &y, int16 &x) {
+void GfxScreen::adjustToUpscaledCoordinates(int32 &y, int32 &x) {
 	x = _upscaledWidthMapping[x];
 	y = _upscaledHeightMapping[y];
 }
 
-void GfxScreen::adjustBackUpscaledCoordinates(int16 &y, int16 &x) {
+void GfxScreen::adjustBackUpscaledCoordinates(int32 &y, int32 &x) {
 	switch (_upscaledHires) {
 	case GFX_SCREEN_UPSCALED_480x300:
 		x = (x * 4) / 6;
diff --git a/engines/sci/graphics/screen.h b/engines/sci/graphics/screen.h
index 7311232ee96..c9d5af0afd7 100644
--- a/engines/sci/graphics/screen.h
+++ b/engines/sci/graphics/screen.h
@@ -128,8 +128,8 @@ public:
 
 	void scale2x(const SciSpan<const byte> &src, SciSpan<byte> &dst, int16 srcWidth, int16 srcHeight, byte bytesPerPixel = 1);
 
-	void adjustToUpscaledCoordinates(int16 &y, int16 &x);
-	void adjustBackUpscaledCoordinates(int16 &y, int16 &x);
+	void adjustToUpscaledCoordinates(int32 &y, int32 &x);
+	void adjustBackUpscaledCoordinates(int32 &y, int32 &x);
 
 	void dither(bool addToFlag);
 
@@ -459,7 +459,7 @@ public:
 		return vectorGetPixel(_controlScreen, x, y);
 	}
 
-	void vectorAdjustCoordinate(int16 *x, int16 *y) {
+	void vectorAdjustCoordinate(int32 *x, int32 *y) {
 		switch (_upscaledHires) {
 		case GFX_SCREEN_UPSCALED_480x300:
 			*x = (*x * 3) / 2;
diff --git a/engines/sci/graphics/text16.cpp b/engines/sci/graphics/text16.cpp
index f354e6f048d..cf36873eab6 100644
--- a/engines/sci/graphics/text16.cpp
+++ b/engines/sci/graphics/text16.cpp
@@ -367,7 +367,7 @@ int16 GfxText16::GetLongest(const char *&textPtr, int16 maxWidth, GuiResourceId
 	return resultCharCount;
 }
 
-void GfxText16::Width(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 &textWidth, int16 &textHeight, bool restoreFont) {
+void GfxText16::Width(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int32 &textWidth, int32 &textHeight, bool restoreFont) {
 	uint16 curChar;
 	GuiResourceId previousFontId = GetFontId();
 	int16 previousPenColor = _ports->_curPort->penClr;
@@ -412,7 +412,7 @@ void GfxText16::Width(const char *text, int16 from, int16 len, GuiResourceId org
 	return;
 }
 
-void GfxText16::StringWidth(const Common::String &str, GuiResourceId orgFontId, int16 &textWidth, int16 &textHeight) {
+void GfxText16::StringWidth(const Common::String &str, GuiResourceId orgFontId, int32 &textWidth, int32 &textHeight) {
 	Width(str.c_str(), 0, str.size(), orgFontId, textWidth, textHeight, true);
 }
 
@@ -423,12 +423,12 @@ void GfxText16::DrawString(const Common::String &str, GuiResourceId orgFontId, i
 	Draw(str.c_str(), 0, str.size(), orgFontId, orgPenColor);
 }
 
-int16 GfxText16::Size(Common::Rect &rect, const char *text, uint16 languageSplitter, GuiResourceId fontId, int16 maxWidth) {
+int16 GfxText16::Size(Common::Rect &rect, const char *text, uint16 languageSplitter, GuiResourceId fontId, int32 maxWidth) {
 	GuiResourceId previousFontId = GetFontId();
 	int16 previousPenColor = _ports->_curPort->penClr;
 	int16 charCount;
-	int16 maxTextWidth = 0, textWidth;
-	int16 totalHeight = 0, textHeight;
+	int32 maxTextWidth = 0, textWidth;
+	int32 totalHeight = 0, textHeight;
 
 	if (fontId != -1)
 		SetFont(fontId);
@@ -538,7 +538,7 @@ void GfxText16::Show(const char *text, int16 from, int16 len, GuiResourceId orgF
 
 // Draws a text in rect.
 void GfxText16::Box(const char *text, uint16 languageSplitter, bool show, const Common::Rect &rect, TextAlignment alignment, GuiResourceId fontId) {
-	int16 textWidth, maxTextWidth, textHeight, charCount;
+	int32 textWidth, maxTextWidth, textHeight, charCount;
 	int16 offset = 0;
 	int16 hline = 0;
 	GuiResourceId previousFontId = GetFontId();
diff --git a/engines/sci/graphics/text16.h b/engines/sci/graphics/text16.h
index 1f53c5b4b0c..98647314005 100644
--- a/engines/sci/graphics/text16.h
+++ b/engines/sci/graphics/text16.h
@@ -52,11 +52,11 @@ public:
 	void ClearChar(int16 chr);
 
 	int16 GetLongest(const char *&text, int16 maxWidth, GuiResourceId orgFontId);
-	void Width(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 &textWidth, int16 &textHeight, bool restoreFont);
-	void StringWidth(const Common::String &str, GuiResourceId orgFontId, int16 &textWidth, int16 &textHeight);
+	void Width(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int32 &textWidth, int32 &textHeight, bool restoreFont);
+	void StringWidth(const Common::String &str, GuiResourceId orgFontId, int32 &textWidth, int32 &textHeight);
 	void ShowString(const Common::String &str, GuiResourceId orgFontId, int16 orgPenColor);
 	void DrawString(const Common::String &str, GuiResourceId orgFontId, int16 orgPenColor);
-	int16 Size(Common::Rect &rect, const char *text, uint16 textLanguage, GuiResourceId fontId, int16 maxWidth);
+	int16 Size(Common::Rect &rect, const char *text, uint16 textLanguage, GuiResourceId fontId, int32 maxWidth);
 	void Draw(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 orgPenColor);
 	void Show(const char *text, int16 from, int16 len, GuiResourceId orgFontId, int16 orgPenColor);
 	void Box(const char *text, uint16 languageSplitter, bool show, const Common::Rect &rect, TextAlignment alignment, GuiResourceId fontId);
diff --git a/engines/sci/graphics/transitions.cpp b/engines/sci/graphics/transitions.cpp
index 96ed3eacb6f..dc429f49873 100644
--- a/engines/sci/graphics/transitions.cpp
+++ b/engines/sci/graphics/transitions.cpp
@@ -462,7 +462,7 @@ void GfxTransitions::straight(int16 number, bool blackoutFlag) {
 	}
 }
 
-void GfxTransitions::scrollCopyOldToScreen(Common::Rect screenRect, int16 x, int16 y) {
+void GfxTransitions::scrollCopyOldToScreen(Common::Rect screenRect, int32 x, int32 y) {
 	if (_screen->getUpscaledHires()) {
 		_screen->adjustToUpscaledCoordinates(screenRect.top, screenRect.left);
 		_screen->adjustToUpscaledCoordinates(screenRect.bottom, screenRect.right);
diff --git a/engines/sci/graphics/transitions.h b/engines/sci/graphics/transitions.h
index d02121e7fa1..c7ffcb9d313 100644
--- a/engines/sci/graphics/transitions.h
+++ b/engines/sci/graphics/transitions.h
@@ -80,7 +80,7 @@ private:
 	void pixelation(bool blackoutFlag);
 	void blocks(bool blackoutFlag);
 	void straight(int16 number, bool blackoutFlag);
-	void scrollCopyOldToScreen(Common::Rect screenRect, int16 x, int16 y);
+	void scrollCopyOldToScreen(Common::Rect screenRect, int32 x, int32 y);
 	void scroll(int16 number);
 	void verticalRollFromCenter(bool blackoutFlag);
 	void verticalRollToCenter(bool blackoutFlag);
diff --git a/engines/sci/graphics/view.cpp b/engines/sci/graphics/view.cpp
index 095804e13c8..d362c4bf7d8 100644
--- a/engines/sci/graphics/view.cpp
+++ b/engines/sci/graphics/view.cpp
@@ -805,8 +805,8 @@ void GfxView::draw(const Common::Rect &rect, const Common::Rect &clipRect, const
 	const Palette *palette = _embeddedPal ? &_viewPalette : &_palette->_sysPalette;
 	const CelInfo *celInfo = getCelInfo(loopNo, celNo);
 	const SciSpan<const byte> &bitmap = getBitmap(loopNo, celNo);
-	const int16 celHeight = celInfo->height;
-	const int16 celWidth = celInfo->width;
+	const int32 celHeight = celInfo->height;
+	const int32 celWidth = celInfo->width;
 	const byte clearKey = celInfo->clearKey;
 	const byte drawMask = priority > 15 ? GFX_SCREEN_MASK_VISUAL : GFX_SCREEN_MASK_VISUAL|GFX_SCREEN_MASK_PRIORITY;
 
@@ -814,8 +814,8 @@ void GfxView::draw(const Common::Rect &rect, const Common::Rect &clipRect, const
 		// Merge view palette in...
 		_palette->set(&_viewPalette, false);
 
-	const int16 width = MIN(clipRect.width(), celWidth);
-	const int16 height = MIN(clipRect.height(), celHeight);
+	const int32 width = MIN(clipRect.width(), celWidth);
+	const int32 height = MIN(clipRect.height(), celHeight);
 
 	if (!width || !height) {
 		return;
@@ -886,11 +886,11 @@ void GfxView::drawScaled(const Common::Rect &rect, const Common::Rect &clipRect,
 	createScalingTable(scalingX, celWidth, _screen->getWidth(), scaleX);
 	createScalingTable(scalingY, celHeight, _screen->getHeight(), scaleY);
 
-	int16 scaledWidth = MIN(clipRect.width(), (int16)scalingX.size());
-	int16 scaledHeight = MIN(clipRect.height(), (int16)scalingY.size());
+	int32 scaledWidth = MIN(clipRect.width(), (int32)scalingX.size());
+	int32 scaledHeight = MIN(clipRect.height(), (int32)scalingY.size());
 
-	const int16 offsetY = clipRect.top - rect.top;
-	const int16 offsetX = clipRect.left - rect.left;
+	const int32 offsetY = clipRect.top - rect.top;
+	const int32 offsetX = clipRect.left - rect.left;
 
 	const byte *bitmapData = bitmap.getUnsafeDataAt(0, celWidth * celHeight);
 	for (int y = 0; y < scaledHeight; y++) {
@@ -930,11 +930,11 @@ void GfxView::createScalingTable(Common::Array<uint16> &table, int16 celSize, ui
 	}
 }
 
-void GfxView::adjustToUpscaledCoordinates(int16 &y, int16 &x) {
+void GfxView::adjustToUpscaledCoordinates(int32 &y, int32 &x) {
 	_screen->adjustToUpscaledCoordinates(y, x);
 }
 
-void GfxView::adjustBackUpscaledCoordinates(int16 &y, int16 &x) {
+void GfxView::adjustBackUpscaledCoordinates(int32 &y, int32 &x) {
 	_screen->adjustBackUpscaledCoordinates(y, x);
 }
 
diff --git a/engines/sci/graphics/view.h b/engines/sci/graphics/view.h
index de62b36eb05..3d44786f8d2 100644
--- a/engines/sci/graphics/view.h
+++ b/engines/sci/graphics/view.h
@@ -78,8 +78,8 @@ public:
 
 	bool isScaleable();
 
-	void adjustToUpscaledCoordinates(int16 &y, int16 &x);
-	void adjustBackUpscaledCoordinates(int16 &y, int16 &x);
+	void adjustToUpscaledCoordinates(int32 &y, int32 &x);
+	void adjustBackUpscaledCoordinates(int32 &y, int32 &x);
 
 private:
 	void initData(GuiResourceId resourceId);
diff --git a/engines/scumm/actor.cpp b/engines/scumm/actor.cpp
index 364a51092e3..a0e98f47dbe 100644
--- a/engines/scumm/actor.cpp
+++ b/engines/scumm/actor.cpp
@@ -1806,7 +1806,7 @@ AdjustBoxResult Actor_v2::adjustXYToBeInBox(const int dstX, const int dstY) {
 AdjustBoxResult Actor::adjustXYToBeInBox(int dstX, int dstY) {
 	const uint thresholdTable[] = { 30, 80, 0 };
 	AdjustBoxResult abr;
-	int16 tmpX, tmpY;
+	int32 tmpX, tmpY;
 	int tmpDist, bestDist, threshold, numBoxes;
 	byte flags, bestBox;
 	int box;
diff --git a/engines/scumm/boxes.cpp b/engines/scumm/boxes.cpp
index 0b5f5d6b3d0..0410c90f300 100644
--- a/engines/scumm/boxes.cpp
+++ b/engines/scumm/boxes.cpp
@@ -643,7 +643,7 @@ BoxCoords ScummEngine::getBoxCoordinates(int boxnum) {
 	return *box;
 }
 
-int getClosestPtOnBox(const BoxCoords &box, int x, int y, int16& outX, int16& outY) {
+int getClosestPtOnBox(const BoxCoords &box, int x, int y, int32 &outX, int32 &outY) {
 	const Common::Point p(x, y);
 	Common::Point tmp;
 	uint dist;
diff --git a/engines/scumm/boxes.h b/engines/scumm/boxes.h
index 4fd1947848a..8c409a7df36 100644
--- a/engines/scumm/boxes.h
+++ b/engines/scumm/boxes.h
@@ -49,7 +49,7 @@ struct BoxCoords {			/* Box coordinates */
 	Common::Point lr;
 };
 
-int getClosestPtOnBox(const BoxCoords &box, int x, int y, int16& outX, int16& outY);
+int getClosestPtOnBox(const BoxCoords &box, int x, int y, int32 & outX, int32 & outY);
 
 } // End of namespace Scumm
 
diff --git a/engines/scumm/he/wiz_he.cpp b/engines/scumm/he/wiz_he.cpp
index f55cc6ea1a0..7778cec67d9 100644
--- a/engines/scumm/he/wiz_he.cpp
+++ b/engines/scumm/he/wiz_he.cpp
@@ -2091,7 +2091,7 @@ void Wiz::drawWizPolygonImage(uint8 *dst, const uint8 *src, const uint8 *mask, i
 	bbox[3].x = 0;
 	bbox[3].y = wizH - 1;
 
-	int16 xmin_p, xmax_p, ymin_p, ymax_p;
+	int32 xmin_p, xmax_p, ymin_p, ymax_p;
 	xmin_p = ymin_p = (int16)0x7FFF;
 	xmax_p = ymax_p = (int16)0x8000;
 
@@ -2102,7 +2102,7 @@ void Wiz::drawWizPolygonImage(uint8 *dst, const uint8 *src, const uint8 *mask, i
 		ymax_p = MAX(wp[i].y, ymax_p);
 	}
 
-	int16 xmin_b, xmax_b, ymin_b, ymax_b;
+	int32 xmin_b, xmax_b, ymin_b, ymax_b;
 	xmin_b = ymin_b = (int16)0x7FFF;
 	xmax_b = ymax_b = (int16)0x8000;
 
diff --git a/engines/scumm/verbs.h b/engines/scumm/verbs.h
index f4aafb7636c..bc037418228 100644
--- a/engines/scumm/verbs.h
+++ b/engines/scumm/verbs.h
@@ -56,7 +56,7 @@ struct VerbSlot {
 	bool center;
 	uint8 prep;
 	uint16 imgindex;
-	int16 origLeft;
+	int32 origLeft;
 };
 
 enum VerbsV0 {
diff --git a/engines/sherlock/events.cpp b/engines/sherlock/events.cpp
index 39208d45fe3..002cd8098ba 100644
--- a/engines/sherlock/events.cpp
+++ b/engines/sherlock/events.cpp
@@ -154,7 +154,7 @@ void Events::setCursor(CursorId cursorId, const Common::Point &cursorPos, const
 	s.SHblitFrom(surface, Common::Point(drawPos.x, drawPos.y));
 
 	// Draw the cursor image
-	drawPos = Common::Point(MAX(cursorPt.x, (int16)0), MAX(cursorPt.y, (int16)0));
+	drawPos = Common::Point(MAX(cursorPt.x, (int32)0), MAX(cursorPt.y, (int32)0));
 	s.SHtransBlitFrom(cursorImg, Common::Point(drawPos.x, drawPos.y));
 
 	// Set up hotspot position for cursor, adjusting for cursor image's position within the surface
diff --git a/engines/sherlock/screen.cpp b/engines/sherlock/screen.cpp
index fdc6a02b47f..71bebfc0905 100644
--- a/engines/sherlock/screen.cpp
+++ b/engines/sherlock/screen.cpp
@@ -204,8 +204,8 @@ void Screen::slamRect(const Common::Rect &r) {
 	}
 }
 
-void Screen::flushImage(ImageFrame *frame, const Common::Point &pt, int16 *xp, int16 *yp,
-		int16 *width_, int16 *height_) {
+void Screen::flushImage(ImageFrame *frame, const Common::Point &pt, int32 *xp, int32 *yp,
+		int32 *width_, int32 *height_) {
 	Common::Point imgPos = pt + frame->_offset;
 	Common::Rect newBounds(imgPos.x, imgPos.y, imgPos.x + frame->_frame.w, imgPos.y + frame->_frame.h);
 	Common::Rect oldBounds(*xp, *yp, *xp + *width_, *yp + *height_);
@@ -232,8 +232,8 @@ void Screen::flushImage(ImageFrame *frame, const Common::Point &pt, int16 *xp, i
 	*height_ = newBounds.height();
 }
 
-void Screen::flushScaleImage(ImageFrame *frame, const Common::Point &pt, int16 *xp, int16 *yp,
-		int16 *width_, int16 *height_, int scaleVal) {
+void Screen::flushScaleImage(ImageFrame *frame, const Common::Point &pt, int32 *xp, int32 *yp,
+		int32 *width_, int32 *height_, int scaleVal) {
 	Common::Point imgPos(pt.x + frame->sDrawXOffset(scaleVal), pt.y + frame->sDrawYOffset(scaleVal));
 	Common::Rect newBounds(imgPos.x, imgPos.y, imgPos.x + frame->sDrawXSize(scaleVal),
 		imgPos.y + frame->sDrawYSize(scaleVal));
diff --git a/engines/sherlock/screen.h b/engines/sherlock/screen.h
index 93df9aeaaab..13625425ecf 100644
--- a/engines/sherlock/screen.h
+++ b/engines/sherlock/screen.h
@@ -132,15 +132,15 @@ public:
 	 * Copy an image from the back buffer to the screen, taking care of both the
 	 * new area covered by the shape as well as the old area, which must be restored
 	 */
-	void flushImage(ImageFrame *frame, const Common::Point &pt, int16 *xp, int16 *yp,
-		int16 *width, int16 *height);
+	void flushImage(ImageFrame *frame, const Common::Point &pt, int32 *xp, int32 *yp,
+		int32 *width, int32 *height);
 
 	/**
 	 * Similar to flushImage, this method takes in an extra parameter for the scale proporation,
 	 * which affects the calculated bounds accordingly
 	 */
-	void flushScaleImage(ImageFrame *frame, const Common::Point &pt, int16 *xp, int16 *yp,
-		int16 *width, int16 *height, int scaleVal);
+	void flushScaleImage(ImageFrame *frame, const Common::Point &pt, int32 *xp, int32 *yp,
+		int32 *width, int32 *height, int scaleVal);
 
 	/**
 	 * Variation of flushImage/flushScaleImage that takes in and updates a rect
diff --git a/engines/touche/saveload.cpp b/engines/touche/saveload.cpp
index 36ffcc1d9ca..0257f89918a 100644
--- a/engines/touche/saveload.cpp
+++ b/engines/touche/saveload.cpp
@@ -46,10 +46,18 @@ static void saveOrLoad(Common::WriteStream &stream, int16 &i) {
 	stream.writeSint16LE(i);
 }
 
+static void saveOrLoad(Common::WriteStream &stream, int32 &i) {
+	stream.writeSint16LE(i);
+}
+
 static void saveOrLoad(Common::ReadStream &stream, int16 &i) {
 	i = stream.readSint16LE();
 }
 
+static void saveOrLoad(Common::ReadStream &stream, int32 &i) {
+	i = stream.readSint16LE();
+}
+
 static void saveOrLoadPtr(Common::WriteStream &stream, int16 *&p, int16 *base) {
 	int32 offset = (int32)(p - base);
 	stream.writeSint32LE(offset);
diff --git a/engines/tsage/blue_force/blueforce_dialogs.cpp b/engines/tsage/blue_force/blueforce_dialogs.cpp
index e91034a3fab..7d61a1947d0 100644
--- a/engines/tsage/blue_force/blueforce_dialogs.cpp
+++ b/engines/tsage/blue_force/blueforce_dialogs.cpp
@@ -511,7 +511,7 @@ OptionsDialog::OptionsDialog() {
 
 	// Set all the buttons to the widest button
 	GfxButton *btnList[6] = {&_btnRestore, &_btnSave, &_btnRestart, &_btnQuit, &_btnSound, &_btnResume};
-	int16 btnWidth = 0;
+	int32 btnWidth = 0;
 	for (int idx = 0; idx < 6; ++idx)
 		btnWidth = MAX(btnWidth, btnList[idx]->_bounds.width());
 	for (int idx = 0; idx < 6; ++idx)
diff --git a/engines/tsage/core.cpp b/engines/tsage/core.cpp
index dfaf99f2e23..bd51b9e5ab2 100644
--- a/engines/tsage/core.cpp
+++ b/engines/tsage/core.cpp
@@ -2841,7 +2841,7 @@ GfxSurface SceneObject::getFrame() {
 void SceneObject::reposition() {
 	if (g_vm->getGameID() == GType_Ringworld2) {
 		if (!(_flags & OBJFLAG_ZOOMED)) {
-			setZoom(g_globals->_sceneManager._scene->_zoomPercents[MIN(_position.y, (int16)255)]);
+			setZoom(g_globals->_sceneManager._scene->_zoomPercents[MIN(_position.y, (int32)255)]);
 		}
 	}
 
diff --git a/engines/tsage/ringworld/ringworld_dialogs.cpp b/engines/tsage/ringworld/ringworld_dialogs.cpp
index afb600fd1cb..7c9af997b12 100644
--- a/engines/tsage/ringworld/ringworld_dialogs.cpp
+++ b/engines/tsage/ringworld/ringworld_dialogs.cpp
@@ -282,7 +282,7 @@ OptionsDialog::OptionsDialog() {
 
 	// Set all the buttons to the widest button
 	GfxButton *btnList[6] = {&_btnRestore, &_btnSave, &_btnRestart, &_btnQuit, &_btnSound, &_btnResume};
-	int16 btnWidth = 0;
+	int32 btnWidth = 0;
 	for (int idx = 0; idx < 6; ++idx)
 		btnWidth = MAX(btnWidth, btnList[idx]->_bounds.width());
 	for (int idx = 0; idx < 6; ++idx)
diff --git a/engines/ultima/shared/core/map.cpp b/engines/ultima/shared/core/map.cpp
index 807a7007d52..68272e75f4c 100644
--- a/engines/ultima/shared/core/map.cpp
+++ b/engines/ultima/shared/core/map.cpp
@@ -144,8 +144,8 @@ void Map::MapBase::shiftViewport(const Point &delta) {
 	topLeft += delta;
 
 	// Shift the viewport, but constraining the map to fill up the screen
-	topLeft.x = CLIP(topLeft.x, (int16)0, (int16)(width() - _viewportPos._size.x));
-	topLeft.y = CLIP(topLeft.y, (int16)0, (int16)(height() - _viewportPos._size.y));
+	topLeft.x = CLIP(topLeft.x, (int32)0, (int32)(width() - _viewportPos._size.x));
+	topLeft.y = CLIP(topLeft.y, (int32)0, (int32)(height() - _viewportPos._size.y));
 }
 
 void Map::MapBase::addWidget(MapWidget *widget) {
diff --git a/engines/ultima/shared/maps/map_base.cpp b/engines/ultima/shared/maps/map_base.cpp
index d51e378929b..b94f84526f0 100644
--- a/engines/ultima/shared/maps/map_base.cpp
+++ b/engines/ultima/shared/maps/map_base.cpp
@@ -156,8 +156,8 @@ void MapBase::shiftViewport(const Point &delta) {
 	topLeft += delta;
 
 	// Shift the viewport, but constraining the map to fill up the screen
-	topLeft.x = CLIP(topLeft.x, (int16)0, (int16)(width() - _viewportPos._size.x));
-	topLeft.y = CLIP(topLeft.y, (int16)0, (int16)(height() - _viewportPos._size.y));
+	topLeft.x = CLIP(topLeft.x, (int32)0, (int32)(width() - _viewportPos._size.x));
+	topLeft.y = CLIP(topLeft.y, (int32)0, (int32)(height() - _viewportPos._size.y));
 }
 
 void MapBase::addWidget(MapWidget *widget) {
diff --git a/engines/wage/design.cpp b/engines/wage/design.cpp
index 7a57501a7cd..744da5aa05f 100644
--- a/engines/wage/design.cpp
+++ b/engines/wage/design.cpp
@@ -195,7 +195,7 @@ bool Design::isPointOpaque(int x, int y) {
 	return pixel != kColorGreen;
 }
 
-void Design::adjustBounds(int16 x, int16 y) {
+void Design::adjustBounds(int32 x, int32 y) {
 	_bounds->right  = MAX(x, _bounds->right);
 	_bounds->bottom = MAX(y, _bounds->bottom);
 }
diff --git a/engines/wage/design.h b/engines/wage/design.h
index 7ed70ff9de1..ec3a69f23a6 100644
--- a/engines/wage/design.h
+++ b/engines/wage/design.h
@@ -83,7 +83,7 @@ public:
 	static void drawVLine(Graphics::ManagedSurface *surface, int x, int y1, int y2, int thickness, int color, Graphics::MacPatterns &patterns, byte fillType);
 
 	bool isBoundsCalculation() { return _boundsCalculationMode; }
-	void adjustBounds(int16 x, int16 y);
+	void adjustBounds(int32 x, int32 y);
 
 private:
 	byte *_data;
diff --git a/engines/xeen/sprites.cpp b/engines/xeen/sprites.cpp
index 35c9ac1467f..ac653e8591e 100644
--- a/engines/xeen/sprites.cpp
+++ b/engines/xeen/sprites.cpp
@@ -370,7 +370,7 @@ void SpriteDrawer::draw(XSurface &dest, uint16 offset, const Common::Point &pt,
 				(flags & SPRFLAG_SCENE_CLIPPED) ? SCENE_CLIP_LEFT : clipRect.left, destPos.y);
 			_destRight = (byte *)dest.getBasePtr(
 				(flags & SPRFLAG_SCENE_CLIPPED) ? SCENE_CLIP_RIGHT : clipRect.right, destPos.y);
-			int16 xp = destPos.x;
+			int32 xp = destPos.x;
 			lineP = &tempLine[SCREEN_WIDTH];
 
 			for (int xCtr = 0; xCtr < width; ++xCtr, ++lineP) {
diff --git a/graphics/macgui/macwindowmanager.cpp b/graphics/macgui/macwindowmanager.cpp
index 49a4a42dded..4f2a4c397ac 100644
--- a/graphics/macgui/macwindowmanager.cpp
+++ b/graphics/macgui/macwindowmanager.cpp
@@ -765,7 +765,7 @@ void MacWindowManager::draw() {
 				}
 
 				adjustDimensions(clip, innerDims, adjWidth, adjHeight);
-				g_system->copyRectToScreen(w->getWindowSurface()->getBasePtr(MAX(clip.left - innerDims.left, 0), MAX(clip.top - innerDims.top, 0)), w->getWindowSurface()->pitch,MAX(innerDims.left, (int16)0), MAX(innerDims.top, (int16)0), adjWidth, adjHeight);
+				g_system->copyRectToScreen(w->getWindowSurface()->getBasePtr(MAX(clip.left - innerDims.left, 0), MAX(clip.top - innerDims.top, 0)), w->getWindowSurface()->pitch,MAX(innerDims.left, (int32)0), MAX(innerDims.top, (int32)0), adjWidth, adjHeight);
 
 				dirtyRects.push_back(clip);
 			}
diff --git a/gui/ThemeEngine.cpp b/gui/ThemeEngine.cpp
index 8ec8ac4b269..966b709030f 100644
--- a/gui/ThemeEngine.cpp
+++ b/gui/ThemeEngine.cpp
@@ -1163,7 +1163,7 @@ void ThemeEngine::drawSlider(const Common::Rect &r, int width, WidgetStateInfo s
 		dd = kDDSliderDisabled;
 
 	Common::Rect r2 = r;
-	r2.setWidth(MIN((int16)width, r.width()));
+	r2.setWidth(MIN((int32)width, r.width()));
 	//	r2.top++; r2.bottom--; r2.left++; r2.right--;
 
 	if (rtl) {