diff --git a/Quake/gl_draw.c b/Quake/gl_draw.c
index c5714d9b..adc44675 100644
--- a/Quake/gl_draw.c
+++ b/Quake/gl_draw.c
@@ -586,13 +586,13 @@ void Draw_TransPicTranslate (int x, int y, qpic_t *pic, int top, int bottom)
 {
 	static int oldtop = -2;
 	static int oldbottom = -2;
-	gltexture_t *glt;
 
 	if (top != oldtop || bottom != oldbottom)
 	{
+		glpic_t *p = (glpic_t *)pic->data;
+		gltexture_t *glt = p->gltexture;
 		oldtop = top;
 		oldbottom = bottom;
-		glt = ((glpic_t *)pic->data)->gltexture;
 		TexMgr_ReloadImage (glt, top, bottom);
 	}
 	Draw_Pic (x, y, pic);
diff --git a/Quake/gl_rmain.c b/Quake/gl_rmain.c
index 5255bd57..1cc642a2 100644
--- a/Quake/gl_rmain.c
+++ b/Quake/gl_rmain.c
@@ -784,6 +784,7 @@ void R_RenderView (void)
 	if (!cl.worldmodel)
 		Sys_Error ("R_RenderView: NULL worldmodel");
 
+	time1 = 0; /* avoid compiler warning */
 	if (r_speeds.value)
 	{
 		glFinish ();
diff --git a/Quake/gl_texmgr.c b/Quake/gl_texmgr.c
index e5dd8c6b..03242cee 100644
--- a/Quake/gl_texmgr.c
+++ b/Quake/gl_texmgr.c
@@ -427,8 +427,6 @@ TexMgr_LoadPalette -- johnfitz -- was VID_SetPalette, moved here, renamed, rewri
 */
 void TexMgr_LoadPalette (void)
 {
-	byte mask[] = {255,255,255,0};
-	byte black[] = {0,0,0,255};
 	byte *pal, *src, *dst;
 	int i, mark;
 	FILE *f;
@@ -452,7 +450,7 @@ void TexMgr_LoadPalette (void)
 		*dst++ = *src++;
 		*dst++ = 255;
 	}
-	d_8to24table[255] &= *(int *)mask;
+	((byte *) &d_8to24table[255]) [3] = 0;
 
 	//fullbright palette, 0-223 are black (for additive blending)
 	src = pal + 224*3;
@@ -465,7 +463,11 @@ void TexMgr_LoadPalette (void)
 		*dst++ = 255;
 	}
 	for (i=0; i<224; i++)
-		d_8to24table_fbright[i] = *(int *)black;
+	{
+		dst = (byte *) &d_8to24table_fbright[i];
+		dst[3] = 255;
+		dst[2] = dst[1] = dst[0] = 0;
+	}
 
 	//nobright palette, 224-255 are black (for additive blending)
 	dst = (byte *)d_8to24table_nobright;
@@ -478,11 +480,15 @@ void TexMgr_LoadPalette (void)
 		*dst++ = 255;
 	}
 	for (i=224; i<256; i++)
-		d_8to24table_nobright[i] = *(int *)black;
+	{
+		dst = (byte *) &d_8to24table_nobright[i];
+		dst[3] = 255;
+		dst[2] = dst[1] = dst[0] = 0;
+	}
 
 	//conchars palette, 0 and 255 are transparent
 	memcpy(d_8to24table_conchars, d_8to24table, 256*4);
-	d_8to24table_conchars[0] &= *(int *)mask;
+	((byte *) &d_8to24table_conchars[0]) [3] = 0;
 
 	Hunk_FreeToLowMark (mark);
 }
@@ -1149,6 +1155,8 @@ gltexture_t *TexMgr_LoadImage (model_t *owner, const char *name, int width, int
 		case SRC_RGBA:
 			crc = CRC_Block(data, width * height * 4);
 			break;
+		default: /* not reachable but avoids compiler warnings */
+			crc = 0;
 	}
 	if ((flags & TEXPREF_OVERWRITE) && (glt = TexMgr_FindTexture (owner, name)))
 	{
diff --git a/Quake/image.c b/Quake/image.c
index 772c60b2..c6e9e556 100644
--- a/Quake/image.c
+++ b/Quake/image.c
@@ -196,24 +196,24 @@ byte *Image_LoadTGA (FILE *fin, int *width, int *height)
 				switch (targa_header.pixel_size)
 				{
 				case 24:
-						blue = getc(fin);
-						green = getc(fin);
-						red = getc(fin);
-						*pixbuf++ = red;
-						*pixbuf++ = green;
-						*pixbuf++ = blue;
-						*pixbuf++ = 255;
-						break;
+					blue = getc(fin);
+					green = getc(fin);
+					red = getc(fin);
+					*pixbuf++ = red;
+					*pixbuf++ = green;
+					*pixbuf++ = blue;
+					*pixbuf++ = 255;
+					break;
 				case 32:
-						blue = getc(fin);
-						green = getc(fin);
-						red = getc(fin);
-						alphabyte = getc(fin);
-						*pixbuf++ = red;
-						*pixbuf++ = green;
-						*pixbuf++ = blue;
-						*pixbuf++ = alphabyte;
-						break;
+					blue = getc(fin);
+					green = getc(fin);
+					red = getc(fin);
+					alphabyte = getc(fin);
+					*pixbuf++ = red;
+					*pixbuf++ = green;
+					*pixbuf++ = blue;
+					*pixbuf++ = alphabyte;
+					break;
 				}
 			}
 		}
@@ -236,17 +236,19 @@ byte *Image_LoadTGA (FILE *fin, int *width, int *height)
 					switch (targa_header.pixel_size)
 					{
 					case 24:
-							blue = getc(fin);
-							green = getc(fin);
-							red = getc(fin);
-							alphabyte = 255;
-							break;
+						blue = getc(fin);
+						green = getc(fin);
+						red = getc(fin);
+						alphabyte = 255;
+						break;
 					case 32:
-							blue = getc(fin);
-							green = getc(fin);
-							red = getc(fin);
-							alphabyte = getc(fin);
-							break;
+						blue = getc(fin);
+						green = getc(fin);
+						red = getc(fin);
+						alphabyte = getc(fin);
+						break;
+					default: /* avoid compiler warnings */
+						blue = red = green = alphabyte = 0;
 					}
 
 					for(j=0;j<packetSize;j++)
@@ -277,24 +279,26 @@ byte *Image_LoadTGA (FILE *fin, int *width, int *height)
 						switch (targa_header.pixel_size)
 						{
 						case 24:
-								blue = getc(fin);
-								green = getc(fin);
-								red = getc(fin);
-								*pixbuf++ = red;
-								*pixbuf++ = green;
-								*pixbuf++ = blue;
-								*pixbuf++ = 255;
-								break;
+							blue = getc(fin);
+							green = getc(fin);
+							red = getc(fin);
+							*pixbuf++ = red;
+							*pixbuf++ = green;
+							*pixbuf++ = blue;
+							*pixbuf++ = 255;
+							break;
 						case 32:
-								blue = getc(fin);
-								green = getc(fin);
-								red = getc(fin);
-								alphabyte = getc(fin);
-								*pixbuf++ = red;
-								*pixbuf++ = green;
-								*pixbuf++ = blue;
-								*pixbuf++ = alphabyte;
-								break;
+							blue = getc(fin);
+							green = getc(fin);
+							red = getc(fin);
+							alphabyte = getc(fin);
+							*pixbuf++ = red;
+							*pixbuf++ = green;
+							*pixbuf++ = blue;
+							*pixbuf++ = alphabyte;
+							break;
+						default: /* avoid compiler warnings */
+							blue = red = green = alphabyte = 0;
 						}
 						column++;
 						if (column==columns) // pixel packet run spans across rows
diff --git a/Quake/r_part.c b/Quake/r_part.c
index 15a3667d..0acbe4af 100644
--- a/Quake/r_part.c
+++ b/Quake/r_part.c
@@ -820,7 +820,7 @@ void R_DrawParticles (void)
 	particle_t		*p;
 	float			scale;
 	vec3_t			up, right, p_up, p_right, p_upright; //johnfitz -- p_ vectors
-	byte			color[4]; //johnfitz -- particle transparency
+	GLubyte			color[4], *c; //johnfitz -- particle transparency
 	extern	cvar_t	r_particles; //johnfitz
 	//float			alpha; //johnfitz -- particle transparency
 
@@ -854,7 +854,10 @@ void R_DrawParticles (void)
 			scale *= texturescalefactor; //johnfitz -- compensate for apparent size of different particle textures
 
 			//johnfitz -- particle transparency and fade out
-			*(int *)color = d_8to24table[(int)p->color];
+			c = (GLubyte *) &d_8to24table[(int)p->color];
+			color[0] = c[0];
+			color[1] = c[1];
+			color[2] = c[2];
 			//alpha = CLAMP(0, p->die + 0.5 - cl.time, 1);
 			color[3] = 255; //(int)(alpha * 255);
 			glColor4ubv(color);
@@ -896,7 +899,10 @@ void R_DrawParticles (void)
 			scale *= texturescalefactor; //johnfitz -- compensate for apparent size of different particle textures
 
 			//johnfitz -- particle transparency and fade out
-			*(int *)color = d_8to24table[(int)p->color];
+			c = (GLubyte *) &d_8to24table[(int)p->color];
+			color[0] = c[0];
+			color[1] = c[1];
+			color[2] = c[2];
 			//alpha = CLAMP(0, p->die + 0.5 - cl.time, 1);
 			color[3] = 255; //(int)(alpha * 255);
 			glColor4ubv(color);