--- uae/src/include/custom.h	2018/04/24 17:02:32	1.1.1.16
+++ uae/src/include/custom.h	2018/04/24 17:13:00	1.1.1.17
@@ -110,6 +110,7 @@ extern unsigned long syncbase;
 #define DMA_BLITPRI   0x0400
 
 extern unsigned long frametime, timeframes;
+extern int plfstrt, plfstop, plffirstline, plflastline;
 
 /* 100 words give you 1600 horizontal pixels. Should be more than enough for
  * superhires. Don't forget to update the definition in genp2c.c as well.