diff --git a/font.c b/font.c
index 24695a2..f4f250d 100644
--- a/font.c
+++ b/font.c
@@ -1,6 +1,6 @@
 #include "EGA8x8.h"
 
-#include <SDL2/SDL.h>
+#include <SDL.h>
 
 SDL_Texture *load_font(SDL_Renderer *renderer) {
     SDL_Surface *s = SDL_LoadBMP_RW(SDL_RWFromConstMem(font_data, font_data_len), 1);
diff --git a/font.h b/font.h
index e175ba9..cadee9a 100644
--- a/font.h
+++ b/font.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <SDL2/SDL.h>
+#include <SDL.h>
 
 #define RC(r, c) (c)*font_w, (r)*font_h
 
diff --git a/xormod.c b/xormod.c
index a91d6d7..c892431 100644
--- a/xormod.c
+++ b/xormod.c
@@ -2,7 +2,7 @@
 #include "EGA8x8.h"
 
 #include <stdio.h>
-#include <SDL2/SDL.h>
+#include <SDL.h>
 
 #define SWAP(a, b) ({ \
     __typeof(a) tmp = (a); \
@@ -46,21 +46,19 @@ static Picture *Picture_new(SDL_Renderer *rend,
     return p;
 }
 
-typedef uint32_t uint32_4 __attribute__ ((vector_size (4 * sizeof(uint32_t))));
+typedef uint32_t uint32_8 __attribute__ ((vector_size (8 * sizeof(uint32_t))));
 
 static void Picture_render(Picture *p, SDL_Renderer *rend) {
-
-    for (int j = p->y1, r = 0; j < p->y2; j++) {
-        uint32_4 y = {j, j, j, j};
-        for (int i = p->x1; i < p->x2; i+=4, r+=4) {
-            uint32_4 x = {i, i + 1, i + 2, i + 3};
-            uint32_4 z = (x ^ y) % 9;
-            uint32_4 f = (z==0) & p->color;
+    uint32_8 c = p->color - (uint32_8){};
+    uint32_8 y = 0 - (uint32_8){};
+    for (int j = p->y1, r = 0; j < p->y2; j++, y+=1) {
+        uint32_8 x = {0, 1, 2, 3, 4, 5, 6, 7};
+        for (int i = p->x1; i < p->x2; i+=8, r+=8, x+=8) {
+            uint32_8 z = (x ^ y) % 9;
+            uint32_8 f = (z==0) & c;
             memcpy(&p->pixels[r], (uint32_t*)&f, sizeof(f));
         }
-
     }
-
     if (p->texture) SDL_DestroyTexture(p->texture);
     p->texture = SDL_CreateTextureFromSurface(rend, p->surface);
     SDL_SetTextureBlendMode(p->texture, SDL_BLENDMODE_NONE);
@@ -77,7 +75,7 @@ struct int2 { int x; int y; };
 
 int main() {
 
-    unsigned w = 1280, h = 720;
+    int w = 1280, h = 720;
 
     if (SDL_Init(SDL_INIT_VIDEO) != 0) {
         fprintf(stderr, "Can't init: %s\n", SDL_GetError());