diff --git a/sc2/src/sc2code/libs/graphics/font.c b/sc2/src/sc2code/libs/graphics/font.c
index 7151f0c23..281dc4da3 100644
--- a/sc2/src/sc2code/libs/graphics/font.c
+++ b/sc2/src/sc2code/libs/graphics/font.c
@@ -138,7 +138,8 @@ TextRect (PTEXT lpText, PRECT pRect, PBYTE pdelta)
 	{
 		COORD top_y, bot_y;
 		SIZE width;
-		UNICODE next_ch, *pStr;
+		UNICODE next_ch;
+		const UNICODE *pStr;
 
 		if (pdelta == 0)
 		{
@@ -164,7 +165,8 @@ TextRect (PTEXT lpText, PRECT pRect, PBYTE pdelta)
 			if ((next_ch = *pStr++) == '\0')
 				num_chars = 0;
 			next_ch -= FIRST_CHAR;
-			if (ch < MAX_CHARS && GetFrameWidth (&FontPtr->CharDesc[ch]))
+			if (ch < (UNICODE) MAX_CHARS &&
+					GetFrameWidth (&FontPtr->CharDesc[ch]))
 			{
 				COORD y;
 
@@ -177,7 +179,7 @@ TextRect (PTEXT lpText, PRECT pRect, PBYTE pdelta)
 
 				width += GetFrameWidth (&FontPtr->CharDesc[ch]);
 #if 0
-				if (num_chars && next_ch < MAX_CHARS
+				if (num_chars && next_ch < (UNICODE) MAX_CHARS
 						&& !(FontPtr->KernTab[ch]
 						& (FontPtr->KernTab[next_ch] >> 2)))
 					width -= FontPtr->KernAmount;
@@ -227,7 +229,8 @@ _text_blt (PRECT pClipRect, PRIMITIVEPTR PrimPtr)
 	if ((FontPtr = _CurFontPtr) != 0)
 	{
 		COUNT num_chars;
-		UNICODE next_ch, *pStr;
+		UNICODE next_ch;
+		const UNICODE *pStr;
 		TEXTPTR TextPtr;
 		PRIMITIVE locPrim;
 		TFB_Palette color;
@@ -260,7 +263,8 @@ _text_blt (PRECT pClipRect, PRIMITIVEPTR PrimPtr)
 				num_chars = 0;
 			next_ch -= FIRST_CHAR;
 			locPrim.Object.Stamp.frame = &FontPtr->CharDesc[ch];
-			if (ch < MAX_CHARS && GetFrameWidth (locPrim.Object.Stamp.frame))
+			if (ch < (UNICODE) MAX_CHARS &&
+					GetFrameWidth (locPrim.Object.Stamp.frame))
 			{
 				RECT r;
 
@@ -289,7 +293,7 @@ _text_blt (PRECT pClipRect, PRIMITIVEPTR PrimPtr)
 
 				locPrim.Object.Stamp.origin.x += GetFrameWidth (locPrim.Object.Stamp.frame);
 #if 0
-				if (num_chars && next_ch < MAX_CHARS
+				if (num_chars && next_ch < (UNICODE) MAX_CHARS
 						&& !(FontPtr->KernTab[ch]
 						& (FontPtr->KernTab[next_ch] >> 2)))
 					locPrim.Object.Stamp.origin.x -= FontPtr->KernAmount;
diff --git a/sc2/src/sc2code/libs/reslib.h b/sc2/src/sc2code/libs/reslib.h
index df537fe62..b4ccbe1ac 100644
--- a/sc2/src/sc2code/libs/reslib.h
+++ b/sc2/src/sc2code/libs/reslib.h
@@ -69,8 +69,7 @@ extern BOOLEAN DeleteResFile (uio_DirHandle *dir, const char *filename);
 extern MEM_HANDLE InitResourceSystem (const char *resfile,
 		COUNT resindex_type, BOOLEAN (*FileErrorFunc) (const char *filename));
 extern BOOLEAN UninitResourceSystem (void);
-extern BOOLEAN InstallResTypeVectors (
-		COUNT res_type,
+extern BOOLEAN InstallResTypeVectors (COUNT res_type,
 		MEM_HANDLE (*load_func) (uio_Stream *fp, DWORD len),
 		BOOLEAN (*free_func) (MEM_HANDLE handle));
 extern MEM_HANDLE res_GetResource (RESOURCE res);
@@ -78,15 +77,13 @@ extern MEM_HANDLE res_DetachResource (RESOURCE res);
 extern BOOLEAN FreeResource (RESOURCE res);
 extern COUNT CountResourceTypes (void);
 
-extern MEM_HANDLE OpenResourceIndexFile (PVOID
-		resfile);
-extern MEM_HANDLE OpenResourceIndexInstance (DWORD
-		res);
+extern MEM_HANDLE OpenResourceIndexFile (const char *resfile);
+extern MEM_HANDLE OpenResourceIndexInstance (DWORD res);
 extern MEM_HANDLE SetResourceIndex (MEM_HANDLE hRH);
 extern BOOLEAN CloseResourceIndex (MEM_HANDLE hRH);
 
-extern MEM_HANDLE GetResourceData (uio_Stream *fp, DWORD
-		length, MEM_FLAGS mem_flags);
+extern MEM_HANDLE GetResourceData (uio_Stream *fp, DWORD length,
+		MEM_FLAGS mem_flags);
 
 #define RESOURCE_PRIORITY DEFAULT_MEM_PRIORITY
 #define RESOURCE_DATAPTR PBYTE
diff --git a/sc2/src/sc2code/libs/resource/resinit.c b/sc2/src/sc2code/libs/resource/resinit.c
index a97285f37..dc1a82f36 100644
--- a/sc2/src/sc2code/libs/resource/resinit.c
+++ b/sc2/src/sc2code/libs/resource/resinit.c
@@ -87,7 +87,9 @@ MEM_HANDLE
 _GetResFileData (uio_Stream *res_fp, DWORD flen)
 {
 	UWORD lo_word, hi_word;
-	DWORD res_offs, remainder;
+	DWORD res_offs;
+	DWORD remainder = 0;
+			// Initialisation is to keep the compiler quiet.
 	MEM_SIZE HeaderSize;
 	INDEX_HEADER h;
 	INDEX_HEADERPTR ResHeaderPtr;
@@ -249,18 +251,20 @@ UninitResourceSystem (void)
 }
 
 MEM_HANDLE
-OpenResourceIndexFile (PVOID resfile)
+OpenResourceIndexFile (const char *resfile)
 {
 	uio_Stream *res_fp;
 	char fullname[256];
 
 	strcpy (fullname, resfile);
-	if ((res_fp = res_OpenResFile (contentDir, fullname, "rb")) == 0)
+	res_fp = res_OpenResFile (contentDir, fullname, "rb");
+	if (res_fp == 0)
 	{
-		sprintf (fullname, "%s.pkg", (char *) resfile);
-		if ((res_fp = res_OpenResFile (contentDir, fullname, "rb")) == 0)
+		sprintf (fullname, "%s.pkg", resfile);
+		res_fp = res_OpenResFile (contentDir, fullname, "rb");
+		if (res_fp == 0)
 		{
-			sprintf (fullname, "%s.ndx", (char *) resfile);
+			sprintf (fullname, "%s.ndx", resfile);
 			res_fp = res_OpenResFile (contentDir, fullname, "rb");
 		}
 	}
diff --git a/sc2/src/sc2code/libs/uio/debug.c b/sc2/src/sc2code/libs/uio/debug.c
index 852ef27b3..0618af5ef 100644
--- a/sc2/src/sc2code/libs/uio/debug.c
+++ b/sc2/src/sc2code/libs/uio/debug.c
@@ -555,7 +555,7 @@ err:
 			uio_releaseStdioAccess(handles[i]);
 	}
 	uio_free(handles);
-	uio_free(newArgs);
+	uio_free((void *) newArgs);
 	uio_closeDir(tempDir);
 
 	return errCode;
diff --git a/sc2/src/sc2code/libs/video/video.h b/sc2/src/sc2code/libs/video/video.h
index db3e830da..fbb910dfb 100644
--- a/sc2/src/sc2code/libs/video/video.h
+++ b/sc2/src/sc2code/libs/video/video.h
@@ -51,4 +51,6 @@ typedef struct tfb_videoclip
 
 } TFB_VideoClip;
 
+extern VIDEO_REF _init_video_file(const char *pStr);
+
 #endif // _UQM_VIDEO_H
diff --git a/sc2/src/sc2code/libs/video/vidplayer.c b/sc2/src/sc2code/libs/video/vidplayer.c
index de5ce8948..4f614ad90 100644
--- a/sc2/src/sc2code/libs/video/vidplayer.c
+++ b/sc2/src/sc2code/libs/video/vidplayer.c
@@ -105,8 +105,8 @@ TFB_FadeClearScreen (void)
 
 // audio-synced video playback task
 // the frame rate and timing is dictated by the audio
-int
-as_video_play_task (void* data)
+static int
+as_video_play_task (void *data)
 {
 	Task task = (Task) data;
 	volatile TFB_VideoClip* vid;
@@ -218,8 +218,8 @@ as_video_play_task (void* data)
 
 // audio-independent video playback task
 // the frame rate and timing is dictated by the video decoder
-int
-video_play_task (void* data)
+static int
+video_play_task (void *data)
 {
 	Task task = (Task) data;
 	TFB_VideoClip* vid;
@@ -397,7 +397,7 @@ TFB_VideoPlaying (VIDEO_REF VidRef)
 	return vid->playing;
 }
 
-BOOLEAN
+static BOOLEAN
 TFB_DoVideoInput (PVOID pIS)
 {
 	VIDEO_INPUT_STATE* pVIS = (VIDEO_INPUT_STATE*) pIS;
@@ -528,6 +528,6 @@ vp_QueueBuffer (TFB_SoundSample* sample, audio_Object buffer)
 	//TFB_VideoClip* vid = sample->data;
 
 	TFB_TagBuffer (sample, buffer,
-			(void*) SoundDecoder_GetFrame (sample->decoder));
+			(void *) SoundDecoder_GetFrame (sample->decoder));
 }
 
diff --git a/sc2/src/sc2code/melee.c b/sc2/src/sc2code/melee.c
index 22cc7502d..bd2a93292 100644
--- a/sc2/src/sc2code/melee.c
+++ b/sc2/src/sc2code/melee.c
@@ -22,6 +22,7 @@
 #include "colors.h"
 #include "controls.h"
 #include "file.h"
+#include "fmv.h"
 #include "gamestr.h"
 #include "globdata.h"
 #include "intel.h"
diff --git a/sc2/src/sc2code/planets/devices.c b/sc2/src/sc2code/planets/devices.c
index a43034699..8982a0874 100644
--- a/sc2/src/sc2code/planets/devices.c
+++ b/sc2/src/sc2code/planets/devices.c
@@ -33,7 +33,7 @@
 //#define DEBUG_DEVICES
 
 static COUNT
-lpstrchr (UNICODE *pStr, UNICODE ch)
+lpstrchr (const UNICODE *pStr, UNICODE ch)
 {
 	COUNT skip_chars;
 
@@ -131,7 +131,8 @@ DrawDevices (PMENU_STATE pMS, BYTE OldDevice, BYTE NewDevice)
 			if (OldDevice != NewDevice)
 			{
 				t.baseline.y = cy;
-				t.pStr = GAME_STRING (pDeviceMap[OldDevice] + DEVICE_STRING_BASE + 1);
+				t.pStr = GAME_STRING (pDeviceMap[OldDevice] +
+						DEVICE_STRING_BASE + 1);
 				t.CharCount = lpstrchr (t.pStr, ' ');
 				font_DrawText (&t);
 				t.baseline.y += 7;
diff --git a/sc2/src/sc2code/planets/pstarmap.c b/sc2/src/sc2code/planets/pstarmap.c
index 8bce97cca..a7b746e87 100644
--- a/sc2/src/sc2code/planets/pstarmap.c
+++ b/sc2/src/sc2code/planets/pstarmap.c
@@ -19,6 +19,7 @@
 #include "colors.h"
 #include "controls.h"
 #include "encount.h"
+#include "gameopt.h"
 #include "gamestr.h"
 #include "globdata.h"
 #include "options.h"
@@ -57,8 +58,8 @@ void RepairBackRect (PRECT pRect);
 
 static BOOLEAN transition_pending;
 
-int
-flash_cursor_func(void *data)
+static int
+flash_cursor_func (void *data)
 {
 	BYTE c, val;
 	POINT universe;
diff --git a/sc2/src/sc2code/planets/report.c b/sc2/src/sc2code/planets/report.c
index 25b10f109..43764e416 100644
--- a/sc2/src/sc2code/planets/report.c
+++ b/sc2/src/sc2code/planets/report.c
@@ -110,8 +110,8 @@ MakeReport (SOUND ReadOutSounds, UNICODE *pStr, COUNT StrLen)
 	while (StrLen)
 	{
 		COUNT col_cells;
-		UNICODE *pLastStr;
-		UNICODE *pTempStr;
+		const UNICODE *pLastStr;
+		const UNICODE *pTempStr;
 		COUNT lf_pos;
 
 		pLastStr = t.pStr;
@@ -137,7 +137,7 @@ MakeReport (SOUND ReadOutSounds, UNICODE *pStr, COUNT StrLen)
 		do
 		{
 			COUNT word_chars;
-			UNICODE *pStr;
+			const UNICODE *pStr;
 
 			pStr = t.pStr;
 			while (isgraph (*pStr))
@@ -166,7 +166,8 @@ MakeReport (SOUND ReadOutSounds, UNICODE *pStr, COUNT StrLen)
 
 						if (t.pStr[0] == ',')
 							TimeOut += ONE_SECOND / 4;
-						if (t.pStr[0] == '.' || t.pStr[0] == '!' || t.pStr[0] == '?')
+						if (t.pStr[0] == '.' || t.pStr[0] == '!' ||
+								t.pStr[0] == '?')
 							TimeOut += ONE_SECOND / 2;
 						else
 							TimeOut += ONE_SECOND / 20;
diff --git a/sc2/src/sc2code/planets/scan.c b/sc2/src/sc2code/planets/scan.c
index 6f7baeca2..a6b24fe5a 100644
--- a/sc2/src/sc2code/planets/scan.c
+++ b/sc2/src/sc2code/planets/scan.c
@@ -104,16 +104,18 @@ EraseCoarseScan (void)
 }
 
 static void
-PrintScanTitlePC (TEXT *t, RECT *r, char *txt, int xpos)
+PrintScanTitlePC (TEXT *t, RECT *r, const char *txt, int xpos)
 {
 	t->baseline.x = xpos;
-	SetContextForeGroundColor (BUILD_COLOR (MAKE_RGB15 (0x00, 0x00, 0x15), 0x3B));
-	wsprintf (t->pStr, txt);
+	SetContextForeGroundColor (
+			BUILD_COLOR (MAKE_RGB15 (0x00, 0x00, 0x15), 0x3B));
+	t->pStr = txt;
 	t->CharCount = (COUNT)~0;
 	font_DrawText (t);
 	TextRect (t, r, NULL_PTR);
 	t->baseline.x += r->extent.width;
-	SetContextForeGroundColor (BUILD_COLOR (MAKE_RGB15 (0xF, 0x00, 0x19), 0x3B));
+	SetContextForeGroundColor (
+			BUILD_COLOR (MAKE_RGB15 (0xF, 0x00, 0x19), 0x3B));
 }
 
 static void
@@ -184,7 +186,8 @@ PrintCoarseScanPC (void)
 	t.pStr = buf;
 	t.CharCount = (COUNT)~0;
 
-	SetContextForeGroundColor (BUILD_COLOR (MAKE_RGB15 (0x00, 0x00, 0x15), 0x3B));
+	SetContextForeGroundColor (BUILD_COLOR (
+				MAKE_RGB15 (0x00, 0x00, 0x15), 0x3B));
 	SetContextFont (MicroFont);
 	font_DrawText (&t);
 	SetContextFont (TinyFont);
@@ -198,7 +201,6 @@ PrintCoarseScanPC (void)
 	t.align = ALIGN_LEFT;
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Orbit: ", LEFT_SIDE_BASELINE_X_PC);
 	temp = (SIZE)((pSolarSysState->SysInfo.PlanetInfo.PlanetToSunDist * 100L
 			+ (EARTH_RADIUS >> 1)) / EARTH_RADIUS);
@@ -206,13 +208,13 @@ PrintCoarseScanPC (void)
 		wsprintf (buf, "%u.%u a.u.", temp / 100, (temp / 10) % 10);
 	else
 		wsprintf (buf, "%u.%02u a.u.", temp / 100, temp % 100);
+	t.pStr = buf;
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
 	t.baseline.y += SCAN_LEADING_PC;
 	UnlockMutex (GraphicsLock);
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Atmo: ", LEFT_SIDE_BASELINE_X_PC);
 	if (pSolarSysState->SysInfo.PlanetInfo.AtmoDensity == GAS_GIANT_ATMOSPHERE)
 		wsprintf (buf, "Super Thick");
@@ -227,39 +229,48 @@ PrintCoarseScanPC (void)
 		else
 			wsprintf (buf, "%u.%02u atm", temp / 100, temp % 100);
 	}
+	t.pStr = buf;
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
 	t.baseline.y += SCAN_LEADING_PC;
 	UnlockMutex (GraphicsLock);
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Temp: ", LEFT_SIDE_BASELINE_X_PC);
-	wsprintf (buf, "%d^ c", pSolarSysState->SysInfo.PlanetInfo.SurfaceTemperature);
+	wsprintf (buf, "%d^ c",
+			pSolarSysState->SysInfo.PlanetInfo.SurfaceTemperature);
+	t.pStr = buf;
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
 	t.baseline.y += SCAN_LEADING_PC;
 	UnlockMutex (GraphicsLock);
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Weather: ", LEFT_SIDE_BASELINE_X_PC);
 	if (pSolarSysState->SysInfo.PlanetInfo.AtmoDensity == 0)
-		wsprintf (buf, "None");
+		t.pStr = "None";
 	else
-		wsprintf (buf, "Class %u", pSolarSysState->SysInfo.PlanetInfo.Weather + 1);
+	{
+		wsprintf (buf, "Class %u",
+				pSolarSysState->SysInfo.PlanetInfo.Weather + 1);
+		t.pStr = buf;
+	}
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
 	t.baseline.y += SCAN_LEADING_PC;
 	UnlockMutex (GraphicsLock);
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Tectonics: ", LEFT_SIDE_BASELINE_X_PC);
-	if (PLANSIZE (pSolarSysState->SysInfo.PlanetInfo.PlanDataPtr->Type) == GAS_GIANT)
-		wsprintf (buf, "None");
+	if (PLANSIZE (pSolarSysState->SysInfo.PlanetInfo.PlanDataPtr->Type) ==
+			GAS_GIANT)
+		t.pStr = "None";
 	else
-	wsprintf (buf, "Class %u", pSolarSysState->SysInfo.PlanetInfo.Tectonics + 1);
+	{
+		wsprintf (buf, "Class %u",
+				pSolarSysState->SysInfo.PlanetInfo.Tectonics + 1);
+		t.pStr = buf;
+	}
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
 	UnlockMutex (GraphicsLock);
@@ -267,43 +278,44 @@ PrintCoarseScanPC (void)
 	t.baseline.y = SCAN_BASELINE_Y_PC;
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Mass: ", RIGHT_SIDE_BASELINE_X_PC);
 	{
 		DWORD tr;
 
 		tr = pSolarSysState->SysInfo.PlanetInfo.PlanetRadius;
-		if ((tr = (tr * tr * tr / 100L
+		tr = (tr * tr * tr / 100L
 				* (DWORD)pSolarSysState->SysInfo.PlanetInfo.PlanetDensity
-				+ (DWORD)((100L * 100L) >> 1))
-				/ (DWORD)(100L * 100L)) == 0)
+				+ (DWORD)((100L * 100L) >> 1)) / (DWORD)(100L * 100L);
+		if (tr == 0)
 			tr = 1;
 		if (tr >= 10 * 100)
 			wsprintf (buf, "%lu.%lu e.s.", tr / 100, (tr / 10) % 10);
 		else
 			wsprintf (buf, "%lu.%02lu e.s.", tr / 100, tr % 100);
 	}
+	t.pStr = buf;
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
 	t.baseline.y += SCAN_LEADING_PC;
 	UnlockMutex (GraphicsLock);
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Radius: ", RIGHT_SIDE_BASELINE_X_PC);
-	if ((temp = pSolarSysState->SysInfo.PlanetInfo.PlanetRadius) >= 10 * 100)
+	temp = pSolarSysState->SysInfo.PlanetInfo.PlanetRadius;
+	if (temp >= 10 * 100)
 		wsprintf (buf, "%u.%u e.s.", temp / 100, (temp / 10) % 10);
 	else
 		wsprintf (buf, "%u.%02u e.s.", temp / 100, temp % 100);
+	t.pStr = buf;
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
 	t.baseline.y += SCAN_LEADING_PC;
 	UnlockMutex (GraphicsLock);
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Gravity: ", RIGHT_SIDE_BASELINE_X_PC);
-	if ((temp = pSolarSysState->SysInfo.PlanetInfo.SurfaceGravity) >= 10 * 100)
+	temp = pSolarSysState->SysInfo.PlanetInfo.SurfaceGravity;
+	if (temp >= 10 * 100)
 		wsprintf (buf, "%u.%u g.", temp / 100, (temp / 10) % 10);
 	else
 	{
@@ -311,17 +323,18 @@ PrintCoarseScanPC (void)
 			temp = 1;
 		wsprintf (buf, "%u.%02u g.", temp / 100, temp % 100);
 	}
+	t.pStr = buf;
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
 	t.baseline.y += SCAN_LEADING_PC;
 	UnlockMutex (GraphicsLock);
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Day: ", RIGHT_SIDE_BASELINE_X_PC);
 	if (pSolarSysState->SysInfo.PlanetInfo.RotationPeriod < 240 * 10)
 	{
-		temp = (SIZE)(pSolarSysState->SysInfo.PlanetInfo.RotationPeriod * 10 / 24);
+		temp = (SIZE)(pSolarSysState->SysInfo.PlanetInfo.RotationPeriod *
+				10 / 24);
 		wsprintf (buf, "%u.%02u days", temp / 100, temp % 100);
 	}
 	else
@@ -330,16 +343,17 @@ PrintCoarseScanPC (void)
 				+ (24 >> 1)) / 24);
 		wsprintf (buf, "%u.%u days", temp / 10, temp % 10);
 	}
+	t.pStr = buf;
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
 	t.baseline.y += SCAN_LEADING_PC;
 	UnlockMutex (GraphicsLock);
 
 	LockMutex (GraphicsLock);
-	t.pStr = buf;
 	PrintScanTitlePC (&t, &r, "Tilt: ", RIGHT_SIDE_BASELINE_X_PC);
 	if ((temp = pSolarSysState->SysInfo.PlanetInfo.AxialTilt) < 0)
 		temp = -temp;
+	t.pStr = buf;
 	wsprintf (buf, "%u^", temp);
 	t.CharCount = (COUNT)~0;
 	font_DrawText (&t);
diff --git a/sc2/src/sc2code/units.h b/sc2/src/sc2code/units.h
index 65b0e0657..576f4d13d 100644
--- a/sc2/src/sc2code/units.h
+++ b/sc2/src/sc2code/units.h
@@ -95,17 +95,17 @@ extern int ScreenHeight;
 static inline COORD
 logxToUniverse (long lx)
 {
-	return (lx * ((MAX_X_UNIVERSE + 1) >> 4)) * 10
-			/ ((long) ((LOG_SPACE_WIDTH) >> 4) * SECTOR_WIDTH);
+	return (COORD) ((lx * ((MAX_X_UNIVERSE + 1) >> 4)) * 10
+			/ ((long) ((LOG_SPACE_WIDTH) >> 4) * SECTOR_WIDTH));
 }
 #define LOGX_TO_UNIVERSE(lx) \
 		logxToUniverse (lx)
 static inline COORD
 logyToUniverse (long ly)
 {
-	return MAX_Y_UNIVERSE -
+	return (COORD) (MAX_Y_UNIVERSE -
 			(COORD)(((long) (ly) * ((MAX_Y_UNIVERSE + 1) >> 4))
-			/ ((long) ((LOG_SPACE_HEIGHT) >> 4) * SECTOR_HEIGHT));
+			/ ((long) ((LOG_SPACE_HEIGHT) >> 4) * SECTOR_HEIGHT)));
 }
 #define LOGY_TO_UNIVERSE(ly) \
 		logyToUniverse (ly)