X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=video.c;fp=video.c;h=59f3e69dcd98dc1c7c3eb91d1b52ac23251ddfd7;hb=43c24b301dc8c0c5952e1d22bad865f4304d01f8;hp=d3dd3991edbded9a0bb65b0c0f4d12e68e70ab21;hpb=2455b6a30e7d58cddfa7f196c4553e008996d46a;p=gpsp.git

diff --git a/video.c b/video.c
index d3dd399..59f3e69 100644
--- a/video.c
+++ b/video.c
@@ -3903,17 +3903,18 @@ void blit_to_screen(u16 *src, u32 w, u32 h, u32 dest_x, u32 dest_y)
   u32 pitch = get_screen_pitch();
   u16 *dest_ptr = get_screen_pixels() + dest_x + (dest_y * pitch);
 
+  s32 w1 = dest_x + w > pitch ? pitch - dest_x : w;
   u16 *src_ptr = src;
-  u32 line_skip = pitch - w;
-  u32 x, y;
+  s32 x, y;
 
   for(y = 0; y < h; y++)
   {
-    for(x = 0; x < w; x++, src_ptr++, dest_ptr++)
+    for(x = 0; x < w1; x++)
     {
-      *dest_ptr = *src_ptr;
+      dest_ptr[x] = src_ptr[x];
     }
-    dest_ptr += line_skip;
+    src_ptr += w;
+    dest_ptr += pitch;
   }
 }