diff --git a/rom.68k b/rom.68k
index b5a9d22..14667d6 100644
--- a/rom.68k
+++ b/rom.68k
@@ -27,12 +27,14 @@ ramcode:
   move.l #0x1, (a5) | Enable the RAM at base 0x0
   move.l d7, a7
   | Load sector 0 to 0x0
-  move.l #0x0, (a4) | Set the sector number to 0
-  | Transfer 0x100 (256) bytes from the storage card's data register to 0x0
+  move.l #0x0, (0x0, a4) | Set the sector number to 0
+  move.l #0x1, (0x4, a4) | Set the sector count to 1
+  move.w #0x0, (0x8, a4) | Send a read command
+  | Transfer 0x200 (512) bytes from the storage card's data register to 0x0
   move.w #0x0, a1 | Load a1, the destination address register, with 0x0
-  move.w #0xFF, d0 | Load d0 with the sector size - 1.
+  move.w #0xFF, d0 | Load d0 with the sector size in words - 1.
   sector_loop:
-  move.b (4, a4), (a1)+ | Transfer a byte of sector data to the destination
+  move.w (0xA, a4), (a1)+ | Transfer a word of sector data to the destination
   dbra d0, sector_loop | Loop back if there is more to transfer
   jmp (0x0).W | Jump to the loaded sector