| Address | Description | Type | Size |
| $7E0058 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E005C | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E0060 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 4 |
| $7E0079 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E007C | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E0087 | Empty. Cleared on reset, titlescreen load, overworld load and level load.
Note that this address is used as freeram by the SA-1 patch. | Empty | 1 |
| $7E13E6 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 2 |
| $7E140A | Empty. Cleared on reset, titlescreen load, overworld load and during part of the cape flight routine. | Empty | 1 |
| $7E140B | Empty. Cleared on reset, titlescreen load, overworld load, cutscene load and level load. | Empty | 2 |
| $7E1415 | Empty. Cleared on reset, titlescreen load, overworld load and cutscene load. | Empty | 2 |
| $7E145E | Used by Lunar Magic to hold various settings, mainly related to Layer 3. Format: yyyyyosb
- yyyyy: Initial Layer 3 Y position bits 0-4; bits 5-10 can be found in bits 0-5 of [url=https://smwc.me/m/smw/ram/7FC01C]$7FC01C[/url].
- o: Make sprites beyond level boundaries interact with air instead of water.
- s: Enable Layer 3 scroll sync fix.
- b: Enable advanced Layer 3 bypass settings.
Empty in original game. Cleared on reset, titlescreen load, overworld load and cutscene load. | Misc. | 1 |
| $7E145F | When the advanced Layer 3 bypass is enabled, Lunar Magic uses this to hold the Layer 3 horizontal scroll setting, multiplied by 2. Notably, the actual order of these values is different from the order Lunar Magic lists them; see the details table for a full list.
During level load, it also temporarily holds the vertical scroll setting as well, encoded using the format vvvvhhhh:
- vvvv: Vertical scroll setting. The fifth bit can be found in bit 6 of [url=https://smwc.me/m/smw/ram/7FC01C]$7FC01C[/url].
- hhhh: Horizontal scroll setting. The fifth bit can be found in bit 7 of [url=https://smwc.me/m/smw/ram/7FC01C]$7FC01C[/url].
Empty in original game. Cleared on reset, titlescreen load, overworld load and cutscene load. | Misc. | 1 |
| $7E1461 | Empty. Cleared on reset, titlescreen load, overworld load and cutscene load.
This byte functions as the "high byte" of $7E:1460. SMW does not actually use this byte, however it is overwritten during level load (see $05:BE92).
Cleared on reset, titlescreen, overworld, level (with the exception of boss rooms) and cutscene load. | Empty | 1 |
| $7E146E | Empty. Cleared on reset, titlescreen load, overworld load and cutscene load. | Empty | 2 |
| $7E1473 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E1475 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E1477 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E1479 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E147B | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E147D | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E1487 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 4 |
| $7E14BE | Empty. Cleared on reset, titlescreen load, overworld load and cutscene load. | Empty | 1 |
| $7E14C1 | Empty. Cleared on reset, titlescreen, overworld and cutscene load. | Empty | 1 |
| $7E14C4 | Empty. Cleared on reset, titlescreen, overworld and cutscene load. | Empty | 1 |
| $7E14C7 | Empty. Cleared on reset, titlescreen, overworld and cutscene load. | Empty | 1 |
| $7E15E8 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E1696 | Empty. Cleared on reset, titlescreen load, overworld load, cutscene load and level load. | Empty | 1 |
| $7E1864 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E1869 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 2 |
| $7E1879 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E188A | Empty. Cleared on reset, titlescreen load, overworld load and level load, hurt, death, and taking hit while cape flying ($00:F625 for the last three) and in the Peach Rescued scene ($03:AE39). | Empty | 1 |
| $7E188E | Empty. Cleared on reset, titlescreen load, overworld load, cutscene load and level load. | Empty | 1 |
| $7E18A6 | Empty, unused RAM. Referenced at $01CF9E (Morton's code) but never actually used. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E18B4 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E18B7 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E18BB | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E18C5 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 8 |
| $7E18D8 | Empty. Cleared on reset, titlescreen load, overworld load, cutscene load and level load. | Empty | 1 |
| $7E18E6 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E18F6 | Empty. Cleared on reset, titlescreen load, overworld load, cutscene load and level load. | Empty | 1 |
| $7E1908 | Empty. Cleared on reset, titlescreen load, overworld load and level load. | Empty | 1 |
| $7E191B | Empty. Cleared on reset, titlescreen load, overworld load, and every frame when Yoshi is on screen. The latter can be disabled by changing $01:EBD9 from [9C 1B 19] to [80 01 EA]. | Empty | 1 |
| $7E191F | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E1923 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 2 |
| $7E1926 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 2 |
| $7E1929 | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E192C | Empty. Cleared on reset, titlescreen load and overworld load. | Empty | 1 |
| $7E1B7F | Empty. Cleared on reset, titlescreen load, overworld load and level load.
This address could be regarded as the "high byte" of $7E:1B7E, however it is never used (AND #$00FF is applied) and only stored to on the overworld. Thus, it is safe to use this address as free RAM outside of the overworld. | Empty | 1 |
| $7E1DFD | Empty. Cleared on reset, titlescreen, overworld and level load (the latter two due to new music banks being uploaded). Note that $7E:1DFD is cleared twice, due to a 16-bit store to $7E:1DFC - at $04:969F/0x2189F (LDA #$0023 : STA $1DFC) and $05:C75D/0x2C95D (LDA #$0009 : STA $1DFC). | Empty | 2 |
| $7E1E00 | Empty. Cleared on reset, titlescreen, overworld and level load (the latter two due to new music banks being uploaded). | Empty | 1 |