diff --git a/src/emu/rendersw.inc b/src/emu/rendersw.inc
index 5f1d9fa21a5..2b00ee6943c 100644
--- a/src/emu/rendersw.inc
+++ b/src/emu/rendersw.inc
@@ -144,10 +144,10 @@ private:
 			const UINT16 *texbase = reinterpret_cast<const UINT16 *>(texture.base);
 			texbase += v0 * texture.rowpixels + u0;
 
-			rgb_t pix00 = texture.palette[texbase[0]];
-			rgb_t pix01 = texture.palette[texbase[u1]];
-			rgb_t pix10 = texture.palette[texbase[v1]];
-			rgb_t pix11 = texture.palette[texbase[u1 + v1]];
+			UINT32 pix00 = texture.palette[texbase[0]];
+			UINT32 pix01 = texture.palette[texbase[u1]];
+			UINT32 pix10 = texture.palette[texbase[v1]];
+			UINT32 pix11 = texture.palette[texbase[u1 + v1]];
 			return rgb_bilinear_filter(pix00, pix01, pix10, pix11, curu >> 8, curv >> 8);
 		}
 		else
@@ -214,10 +214,10 @@ private:
 			const UINT16 *texbase = reinterpret_cast<const UINT16 *>(texture.base);
 			texbase += v0 * texture.rowpixels + (u0 & ~1);
 
-			rgb_t pix00, pix01, pix10, pix11;
+			UINT32 pix00, pix01, pix10, pix11;
 			if ((curu & 0x10000) == 0)
 			{
-				rgb_t cbcr = ((texbase[0] & 0xff) << 8) | ((texbase[1] & 0xff) << 16);
+				UINT32 cbcr = ((texbase[0] & 0xff) << 8) | ((texbase[1] & 0xff) << 16);
 				pix00 = (texbase[0] >> 8) | cbcr;
 				pix01 = (texbase[u1] >> 8) | cbcr;
 				cbcr = ((texbase[v1 + 0] & 0xff) << 8) | ((texbase[v1 + 1] & 0xff) << 16);
@@ -226,7 +226,7 @@ private:
 			}
 			else
 			{
-				rgb_t cbcr = ((texbase[0] & 0xff) << 8) | ((texbase[1] & 0xff) << 16);
+				UINT32 cbcr = ((texbase[0] & 0xff) << 8) | ((texbase[1] & 0xff) << 16);
 				pix00 = (texbase[1] >> 8) | cbcr;
 				if (u1 != 0)
 				{
@@ -276,10 +276,10 @@ private:
 			const UINT32 *texbase = reinterpret_cast<const UINT32 *>(texture.base);
 			texbase += v0 * texture.rowpixels + u0;
 
-			rgb_t pix00 = texbase[0];
-			rgb_t pix01 = texbase[u1];
-			rgb_t pix10 = texbase[v1];
-			rgb_t pix11 = texbase[u1 + v1];
+			UINT32 pix00 = texbase[0];
+			UINT32 pix01 = texbase[u1];
+			UINT32 pix10 = texbase[v1];
+			UINT32 pix11 = texbase[u1 + v1];
 			return rgb_bilinear_filter(pix00, pix01, pix10, pix11, curu >> 8, curv >> 8);
 		}
 		else
diff --git a/src/emu/video/rgbgen.h b/src/emu/video/rgbgen.h
index 83eba3035e6..63e578108f0 100644
--- a/src/emu/video/rgbgen.h
+++ b/src/emu/video/rgbgen.h
@@ -374,7 +374,7 @@ INLINE void rgbaint_scale_channel_and_clamp(rgbaint *color, const rgbaint *color
     code provided by Michael Herf
 -------------------------------------------------*/
 
-INLINE rgb_t rgb_bilinear_filter(UINT32 rgb00, UINT32 rgb01, UINT32 rgb10, UINT32 rgb11, UINT8 u, UINT8 v)
+INLINE UINT32 rgb_bilinear_filter(UINT32 rgb00, UINT32 rgb01, UINT32 rgb10, UINT32 rgb11, UINT8 u, UINT8 v)
 {
 	UINT32 ag0, ag1, rb0, rb1;
 
@@ -396,7 +396,7 @@ INLINE rgb_t rgb_bilinear_filter(UINT32 rgb00, UINT32 rgb01, UINT32 rgb10, UINT3
     code provided by Michael Herf
 -------------------------------------------------*/
 
-INLINE rgb_t rgba_bilinear_filter(UINT32 rgb00, UINT32 rgb01, UINT32 rgb10, UINT32 rgb11, UINT8 u, UINT8 v)
+INLINE UINT32 rgba_bilinear_filter(UINT32 rgb00, UINT32 rgb01, UINT32 rgb10, UINT32 rgb11, UINT8 u, UINT8 v)
 {
 	UINT32 ag0, ag1, rb0, rb1;