+@ .equiv START_ROW, 1\r
+@ .equiv END_ROW, 27\r
+@ one row means 8 pixels. If above example was used, (27-1)*8=208 lines would be rendered.\r
+.equiv START_ROW, 0\r
+.equiv END_ROW, 28\r
+\r
+@ this should be set to one only for GP2X port\r
+.equiv EXTERNAL_YM2612, 0\r