diff --git a/src/Graphics_Saturn.c b/src/Graphics_Saturn.c
index 788b2061d..3a4f70c73 100644
--- a/src/Graphics_Saturn.c
+++ b/src/Graphics_Saturn.c
@@ -252,7 +252,7 @@ void Gfx_DeleteIb(GfxResourceID* ib) { }
 *#########################################################################################################################*/
 // Preprocess vertex buffers into optimised layout for Saturn
 struct SATVertexColoured { int x, y, z; PackedCol Col; };
-struct SATVertexTextured { int x, y, z; PackedCol Col; float u, v; };
+struct SATVertexTextured { int x, y, z; PackedCol Col; int flip, pad; };
 static VertexFormat buf_fmt;
 static int buf_count;
 
@@ -278,6 +278,14 @@ static void PreprocessTexturedVertices(void) {
         int b = PackedCol_B(src->Col);
         dst->Col = ((b >> 5) << 7) | ((g >> 4) << 3) | (r >> 5);
     }
+
+	dst = gfx_vertices;
+	src = gfx_vertices;
+	for (int i = 0; i < buf_count; i += 4, src += 4, dst += 4)
+	{
+        int flipped = src[0].V > src[2].V;
+		dst->flip   = flipped ? VDP1_CMDT_CHAR_FLIP_V : VDP1_CMDT_CHAR_FLIP_NONE;
+    }
 }
 
 static void PreprocessColouredVertices(void) {
@@ -508,6 +516,7 @@ static void DrawTexturedQuads2D(int verticesCount, int startVertex) {
 		vdp1_cmdt_distorted_sprite_set(cmd);
 		vdp1_cmdt_char_size_set(cmd, tex_width, tex_height);
 		vdp1_cmdt_char_base_set(cmd, (vdp1_vram_t)tex_vram_cur);
+		vdp1_cmdt_char_flip_set(cmd, v->flip);
 		vdp1_cmdt_draw_mode_set(cmd, v->Col == 1023 ? color_draw_mode : shaded_draw_mode);
 		vdp1_cmdt_gouraud_base_set(cmd, (vdp1_vram_t)&gourad_base[v->Col]);
 		vdp1_cmdt_vtx_set(cmd, 		 points);
@@ -569,6 +578,7 @@ static void DrawTexturedQuads3D(int verticesCount, int startVertex) {
 		vdp1_cmdt_distorted_sprite_set(cmd);
 		vdp1_cmdt_char_size_set(cmd, tex_width, tex_height);
 		vdp1_cmdt_char_base_set(cmd, (vdp1_vram_t)tex_vram_cur);
+		vdp1_cmdt_char_flip_set(cmd, v->flip);
 		vdp1_cmdt_draw_mode_set(cmd, v->Col == 1023 ? color_draw_mode : shaded_draw_mode);
 		vdp1_cmdt_gouraud_base_set(cmd, (vdp1_vram_t)&gourad_base[v->Col]);
 		vdp1_cmdt_vtx_set(cmd, 		 points);
diff --git a/src/IsometricDrawer.c b/src/IsometricDrawer.c
index 454d682c0..a764f10df 100644
--- a/src/IsometricDrawer.c
+++ b/src/IsometricDrawer.c
@@ -40,13 +40,14 @@ static void IsometricDrawer_Flat(BlockID block, float size) {
 	TextureLoc loc = Block_Tex(block, FACE_ZMAX);
 	TextureRec rec = Atlas1D_TexRec(loc, 1, &texIndex);
 
-	struct VertexTextured v;
+	struct VertexTextured* v;
 	float minX, maxX, minY, maxY;
+	PackedCol color;
 	float scale;
 
 	*iso_state++ = texIndex;
-	v.Col = PACKEDCOL_WHITE;
-	Block_Tint(v.Col, block);
+	color = PACKEDCOL_WHITE;
+	Block_Tint(color, block);
 
 	/* Rescale by 0.70 in Classic mode to match vanilla size */
 	/* Rescale by 0.88 in Enhanced mode to be slightly nicer */
@@ -58,11 +59,12 @@ static void IsometricDrawer_Flat(BlockID block, float size) {
 	minX  = iso_posX - size; maxX = iso_posX + size;
 	minY  = iso_posY - size; maxY = iso_posY + size;
 
-	v.z = 0.0f;
-	v.x = minX; v.y = minY; v.U = rec.u1; v.V = rec.v1; *iso_vertices++ = v;
-	            v.y = maxY;               v.V = rec.v2; *iso_vertices++ = v;
-	v.x = maxX;             v.U = rec.u2;               *iso_vertices++ = v;
-	            v.y = minY;               v.V = rec.v1; *iso_vertices++ = v;
+	v = iso_vertices;
+	v->x = minX; v->y = minY; v->z = 0; v->Col = color; v->U = rec.u1; v->V = rec.v1; v++;
+	v->x = maxX; v->y = minY; v->z = 0; v->Col = color; v->U = rec.u1; v->V = rec.v1; v++;
+	v->x = maxX; v->y = maxY; v->z = 0; v->Col = color; v->U = rec.u2; v->V = rec.v2; v++;
+	v->x = minX; v->y = maxY; v->z = 0; v->Col = color; v->U = rec.u1; v->V = rec.v2; v++;
+	iso_vertices = v;
 }
 
 static void IsometricDrawer_Angled(BlockID block, float size) {