diff --git a/src/hardware/hw_draw.c b/src/hardware/hw_draw.c
index 15032cbe2..9475f6062 100644
--- a/src/hardware/hw_draw.c
+++ b/src/hardware/hw_draw.c
@@ -326,14 +326,16 @@ void HWR_DrawStretchyFixedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t p
 
 		flags |= HWR_GetBlendModeFlag(blendmode);
 
-		if (alphalevel == 10)
+		if (alphalevel == 13)
 			Surf.PolyColor.s.alpha = softwaretranstogl_lo[st_translucency];
-		else if (alphalevel == 11)
+		else if (alphalevel == 14)
 			Surf.PolyColor.s.alpha = softwaretranstogl[st_translucency];
-		else if (alphalevel == 12)
+		else if (alphalevel == 15)
 			Surf.PolyColor.s.alpha = softwaretranstogl_hi[st_translucency];
 		else if (alphalevel < 10)
 			Surf.PolyColor.s.alpha = softwaretranstogl[min(max((10 - alphalevel), 0), 10)];
+		else
+			Surf.PolyColor.s.alpha = 0;
 
 		HWD.pfnDrawPolygon(&Surf, v, 4, flags|PF_Modulated);
 	}
@@ -480,14 +482,16 @@ void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
 
 		flags |= HWR_GetBlendModeFlag(blendmode);
 
-		if (alphalevel == 10)
+		if (alphalevel == 13)
 			Surf.PolyColor.s.alpha = softwaretranstogl_lo[st_translucency];
-		else if (alphalevel == 11)
+		else if (alphalevel == 14)
 			Surf.PolyColor.s.alpha = softwaretranstogl[st_translucency];
-		else if (alphalevel == 12)
+		else if (alphalevel == 15)
 			Surf.PolyColor.s.alpha = softwaretranstogl_hi[st_translucency];
-		else
+		else if (alphalevel < 10)
 			Surf.PolyColor.s.alpha = softwaretranstogl[min(max((10 - alphalevel), 0), 10)];
+		else
+			Surf.PolyColor.s.alpha = 0;
 
 		HWD.pfnDrawPolygon(&Surf, v, 4, flags|PF_Modulated);
 	}
@@ -1195,10 +1199,11 @@ void HWR_DrawFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 color)
 
 	if (alphalevel)
 	{
-		if (alphalevel == 10) Surf.PolyColor.s.alpha = softwaretranstogl_lo[st_translucency]; // V_HUDTRANSHALF
-		else if (alphalevel == 11) Surf.PolyColor.s.alpha = softwaretranstogl[st_translucency]; // V_HUDTRANS
-		else if (alphalevel == 12) Surf.PolyColor.s.alpha = softwaretranstogl_hi[st_translucency]; // V_HUDTRANSDOUBLE
-		else Surf.PolyColor.s.alpha = softwaretranstogl[min(max((10 - alphalevel), 0), 10)];
+		if (alphalevel == 13) Surf.PolyColor.s.alpha = softwaretranstogl_lo[st_translucency]; // V_HUDTRANSHALF
+		else if (alphalevel == 14) Surf.PolyColor.s.alpha = softwaretranstogl[st_translucency]; // V_HUDTRANS
+		else if (alphalevel == 15) Surf.PolyColor.s.alpha = softwaretranstogl_hi[st_translucency]; // V_HUDTRANSDOUBLE
+		else if (alphalevel < 10) Surf.PolyColor.s.alpha = softwaretranstogl[min(max((10 - alphalevel), 0), 10)];
+		else Surf.PolyColor.s.alpha = 0;
 	}
 
 	HWD.pfnDrawPolygon(&Surf, v, 4,
diff --git a/src/v_video.c b/src/v_video.c
index 709bf489d..a6f66e32c 100644
--- a/src/v_video.c
+++ b/src/v_video.c
@@ -788,11 +788,11 @@ void V_DrawStretchyFixedPatch(fixed_t x, fixed_t y, fixed_t pscale, fixed_t vsca
 		blendmode++; // realign to constants
 	if ((alphalevel = ((scrn & V_ALPHAMASK) >> V_ALPHASHIFT)))
 	{
-		if (alphalevel == 10) // V_HUDTRANSHALF
+		if (alphalevel == 13) // V_HUDTRANSHALF
 			alphalevel = hudminusalpha[st_translucency];
-		else if (alphalevel == 11) // V_HUDTRANS
+		else if (alphalevel == 14) // V_HUDTRANS
 			alphalevel = 10 - st_translucency;
-		else if (alphalevel == 12) // V_HUDTRANSDOUBLE
+		else if (alphalevel == 15) // V_HUDTRANSDOUBLE
 			alphalevel = hudplusalpha[st_translucency];
 
 		if (alphalevel >= 10) // Still inelegible to render?
@@ -1065,11 +1065,11 @@ void V_DrawFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 c)
 	v_translevel = NULL;
 	if (alphalevel || blendmode)
 	{
-		if (alphalevel == 10) // V_HUDTRANSHALF
+		if (alphalevel == 13) // V_HUDTRANSHALF
 			alphalevel = hudminusalpha[st_translucency];
-		else if (alphalevel == 11) // V_HUDTRANS
+		else if (alphalevel == 14) // V_HUDTRANS
 			alphalevel = 10 - st_translucency;
-		else if (alphalevel == 12) // V_HUDTRANSDOUBLE
+		else if (alphalevel == 15) // V_HUDTRANSDOUBLE
 			alphalevel = hudplusalpha[st_translucency];
 
 		if (alphalevel >= 10)
@@ -1211,11 +1211,11 @@ void V_DrawFillConsoleMap(INT32 x, INT32 y, INT32 w, INT32 h, INT32 c)
 
 	if ((alphalevel = ((c & V_ALPHAMASK) >> V_ALPHASHIFT)))
 	{
-		if (alphalevel == 10) // V_HUDTRANSHALF
+		if (alphalevel == 13) // V_HUDTRANSHALF
 			alphalevel = hudminusalpha[st_translucency];
-		else if (alphalevel == 11) // V_HUDTRANS
+		else if (alphalevel == 14) // V_HUDTRANS
 			alphalevel = 10 - st_translucency;
-		else if (alphalevel == 12) // V_HUDTRANSDOUBLE
+		else if (alphalevel == 15) // V_HUDTRANSDOUBLE
 			alphalevel = hudplusalpha[st_translucency];
 
 		if (alphalevel >= 10) // Still inelegible to render?
diff --git a/src/v_video.h b/src/v_video.h
index 1bd2eb822..43caa9987 100644
--- a/src/v_video.h
+++ b/src/v_video.h
@@ -141,17 +141,24 @@ void V_CubeApply(UINT8 *red, UINT8 *green, UINT8 *blue);
 #define V_70TRANS            0x00070000
 #define V_80TRANS            0x00080000 // used to be V_8020TRANS
 #define V_90TRANS            0x00090000
-#define V_HUDTRANSHALF       0x000A0000
-#define V_HUDTRANS           0x000B0000 // draw the hud translucent
-#define V_HUDTRANSDOUBLE     0x000C0000
+#define V_HUDTRANSHALF       0x000D0000
+#define V_HUDTRANS           0x000E0000 // draw the hud translucent
+#define V_HUDTRANSDOUBLE     0x000F0000
 // Macros follow
 #define V_USERHUDTRANSHALF   ((10-(cv_translucenthud.value/2))<<V_ALPHASHIFT)
 #define V_USERHUDTRANS       ((10-cv_translucenthud.value)<<V_ALPHASHIFT)
 #define V_USERHUDTRANSDOUBLE ((10-min(cv_translucenthud.value*2, 10))<<V_ALPHASHIFT)
 
-// use bits 21-23 for blendmodes
-#define V_BLENDSHIFT         20
-#define V_BLENDMASK          0x00700000
+// careful with the 4 bits after V_ALPHAMASK; mauromania inadvertently sets these
+
+#define V_SNAPTOTOP          0x00100000 // for centering
+#define V_SNAPTOBOTTOM       0x00200000 // for centering
+#define V_SNAPTOLEFT         0x00400000 // for centering
+#define V_SNAPTORIGHT        0x00800000 // for centering
+
+// use bits 25-27 for blendmodes
+#define V_BLENDSHIFT         24
+#define V_BLENDMASK          0x07000000
 // preshifted blend flags minus 1 as effects don't distinguish between AST_COPY and AST_TRANSLUCENT
 #define V_ADD                ((AST_ADD-1)<<V_BLENDSHIFT) // Additive
 #define V_SUBTRACT           ((AST_SUBTRACT-1)<<V_BLENDSHIFT) // Subtractive
@@ -159,11 +166,6 @@ void V_CubeApply(UINT8 *red, UINT8 *green, UINT8 *blue);
 #define V_MODULATE           ((AST_MODULATE-1)<<V_BLENDSHIFT) // Modulate
 #define V_OVERLAY            ((AST_OVERLAY-1)<<V_BLENDSHIFT) // Overlay
 
-#define V_SNAPTOTOP          0x01000000 // for centering
-#define V_SNAPTOBOTTOM       0x02000000 // for centering
-#define V_SNAPTOLEFT         0x04000000 // for centering
-#define V_SNAPTORIGHT        0x08000000 // for centering
-
 #define V_ALLOWLOWERCASE     0x10000000 // (strings only) allow fonts that have lowercase letters to use them
 #define V_FLIP               0x10000000 // (patches only) Horizontal flip
 #define V_SLIDEIN            0x20000000 // Slide in from the sides on level load, depending on snap flags