-$6000-$7fff SRAM (battery backup, optional)\r
-$8000-$bfff program ROM bank #1\r
-$c000-$ffff program ROM bank #2 (fixed)\r
+$6000-$7fff SRAM (battery backuped, optional)\r
+$8000-$bfff program ROM bank #0\r
+$c000-$ffff program ROM bank #1 (fixed)\r