--- a/demo.c	Thu Oct 24 08:20:15 2019 +0300
+++ b/demo.c	Tue Oct 29 18:16:47 2019 +0200
@@ -15,16 +15,15 @@
 void dmMakePalette(SDL_Surface *scr)
 {
     SDL_Color pal[DM_COLORS];
-    int n;
 
-    for (n = 0; n < 256; n++)
+    for (int n = 0; n < DM_COLORS; n++)
     {
         pal[n].r = n;
         pal[n].g = n;
         pal[n].b = n;
     }
 
-    SDL_SetColors(scr, pal, 0, DM_COLORS);
+    SDL_SetPaletteColors(scr->format->palette, pal, 0, DM_COLORS);
 }
 
 
@@ -331,8 +330,6 @@
     engine->optVidWidth  = 640;
     engine->optVidHeight = 480;
     engine->optVidDepth  = 32;
-    engine->optVFlags    = SDL_SWSURFACE;
-
 
     engine->demoInit = demoInit;
     engine->demoRender = demoRender;