SNES memory map for Super Mario World

SNES memory map for Super Mario World.
Based on some documents online, but ultimately tested on lsnes (bsnes fork with rerecording tools) with the Super Mario World (NTSC-U) ROM.
Open Bus means unmapped area: http://wiki.superfamicom.org/snes/show/Open+Bus

+=========+=============+====================================+=========+
| Bank    | Offset      | Definition                         | Shadow  |
+=========+=============+====================================+=========+
| $00-$1F | $0000-$1FFF | LowRAM                             |   $7E   |
|         | $2000-$40FF | Open Bus (PPU1, APU)               | $00-$3F | note: $4016 4017 are old style joypad registers *
|         | $4100-$41FF | Open Bus                           | $00-$3F |
|         | $4200-$44FF | Controllers/hardware/Open Bus      | $00-$3F |
|         | $4500-$7FFF | Open Bus                           | ------- |
|         | $8000-$FFFF | ROM                                | ------- |
+---------+-------------+------------------------------------+---------+
| $20-$3F | $0000-$1FFF | LowRAM                             |   $7E   |
|         | $2000-$40FF | Open Bus (PPU1, APU)               | $00-$3F | note: $4016 4017 are old style joypad registers *
|         | $4100-$41FF | Open Bus                           | $00-$3F |
|         | $4200-$44FF | Controllers/hardware/Open Bus      | $00-$3F |
|         | $4500-$5FFF | Open Bus                           | $00-$3F |
|         | $6000-$7FFF | SRAM (2KBytes, repeated)           | ------- |
|         | $8000-$FFFF | ROM                                | $80-$BF |
+---------+-------------+------------------------------------+---------+
| $40-$6F | $0000-$7FFF | Open Bus                           | ------- |
|         | $8000-$FFFF | ROM                                | $C0-$DF |
+---------+-------------+------------------------------------+---------+
| $70-$7D | $0000-$FFFF | SRAM (2KBytes, repeated)           | ------- |
+---------+-------------+------------------------------------+---------+
|   $7E   | $0000-$1FFF | LowRAM                             | $00-$3F |
|         | $2000-$7FFF | HighRAM                            | ------- |
|         | $8000-$FFFF | Expanded RAM                       | ------- |
+---------+-------------+------------------------------------+---------+
|   $7F   | $0000-$FFFF | Expanded RAM                       | ------- |
+---------+-------------+------------------------------------+---------+
| $80-$9F | $0000-$FFFF | Mirror of $00-$1F                  | $00-$1F |
+---------+-------------+------------------------------------+---------+
| $A0-$BF | $0000-$FFFF | Mirror of $20-$3F                  | $20-$3F |
+---------+-------------+------------------------------------+---------+
| $A0-$DF | $0000-$FFFF | Mirror of $40-$6F                  | $40-$6F |
+---------+-------------+------------------------------------+---------+
| $E0-$FF | $0000-$FFFF | SRAM (2KBytes, repeated)           | ------- |
+=========+=============+====================================+=========+

* lsnes note: it's better to not even read the range from $2000-$3fff, because some addresses WILL cause desyncs and graphical bugs.