- Fix EGA panning to behave as on real hardware (fixes Beverly Hills Cop, Faery Tale Adv., Secret Agent 1)

- EGA splitscreen updates (Megademo, Secret Agent 1)
- Change display address latch timing (Beverly Hills Cop)
- Code style adoptions

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3621

include/vga.h

@@ -114,7 +114,7 @@ typedef struct {
 typedef enum {
 	PART,
 	LINE,
-	//EGALINE
+	EGALINE
 } Drawmode;
 
 typedef struct {