//#define LEFT_VISIBLE_HC (208 - 32)
//#define RIGHT_VISIBLE_HC (1488 - 32)
// Split the difference? (Seems to be OK for the most part...)
-#define LEFT_VISIBLE_HC (208 - 16)
-#define RIGHT_VISIBLE_HC (1488 - 16)
+
+// (-10 +10)*4 is for opening up the display by 16 pixels (may go to 20). Need to change VIRTUAL_SCREEN_WIDTH to match this as well (went from 320 to 340; this is 4 HCs per one of those pixels).
+#define LEFT_VISIBLE_HC (208 - 16 - (8 * 4))
+//#define RIGHT_VISIBLE_HC (1488 - 16 + (10 * 4))
+#define RIGHT_VISIBLE_HC (LEFT_VISIBLE_HC + (VIRTUAL_SCREEN_WIDTH * 4))
//#define TOP_VISIBLE_VC 25
//#define BOTTOM_VISIBLE_VC 503
#define TOP_VISIBLE_VC 31
//Are these PAL horizontals correct?
//They seem to be for the most part, but there are some games that seem to be
//shifted over to the right from this "window".
-#define LEFT_VISIBLE_HC_PAL (208 - 16)
-#define RIGHT_VISIBLE_HC_PAL (1488 - 16)
+#define LEFT_VISIBLE_HC_PAL (208 - 16 - (4 * 4))
+//#define RIGHT_VISIBLE_HC_PAL (1488 - 16 + (10 * 4))
+#define RIGHT_VISIBLE_HC_PAL (LEFT_VISIBLE_HC_PAL + (VIRTUAL_SCREEN_WIDTH * 4))
#define TOP_VISIBLE_VC_PAL 67
#define BOTTOM_VISIBLE_VC_PAL 579