Fix stack start and spelling in ROM

rom/rom.68k

@@ -5,7 +5,7 @@ start:
   bra.b find_first_card
 romfindret:
   move.l a0, a6 | Save the ROM card IO base in a6 for later
-  lea (0xEE, a6), a7 | Set up the stack at the end of the ROM's IO space RAM
+  lea (0xF0, a6), a7 | Set up the stack at the end of the ROM's IO space RAM
   bsr.b find_largest_ram | Find the largest RAM card and put the IO base in a5
   move.l a0, a5
   move.l d0, d7
@@ -71,7 +71,7 @@ flr_loop:
   move.l (0x4, a1), d1 | Load the card's size into d1
   cmp.l d0, d1 | If the current size is less than the largest size found, go back to the start of the loop
   ble.b flr_loop
-  move.l d1, d0 | Store the sise and address of the new latgest card in s0 and a0
+  move.l d1, d0 | Store the size and address of the new largest card in d0 and a0
   move.l a1, a0
   bra.b flr_loop | Loop back and check the next card
 flr_done: