Mother 1+2

Mother 1+2 is a port of Mother and Mother 2 to the Game Boy Advance. While 2 got a few bug fixes (as well as inferior audio, which is inevitable with any SNES-to-GBA port), 1 had a whole slew of improvements, many of which came from its then-unreleased English version.

To do: Since the two games seem to be near-direct ports of their console counterparts, some of their other unused content could be lurking around as well. Document the debug menu. Version differences, e.g. downgraded audio. Most of the script changes in Mother 2 are documented already.

General#

Unused Graphics#

To do: Post comparison with used graphics.

0x6F57B4 contains a version of the game selection screen with English text for the prompts.

Mother 2#

Unused Music#

Entirely Unused#

An arrangement of the cave theme from Mother is still present, and still unused.

Unique to this version of the game is a brief, unused jingle that uses the same organ from Giygas's introduction.

What sounds like a machine crashing or shutting down.

Leftover Music Data#

The draft of the attract mode music is still unused, and has even more transitions starting at 1:10.

Debug Mode#

Please elaborate. Having more detail is always a good thing. Specifically: What do the options do?

The easiest way to access the debug menu is by changing the data at ROM offset 0x1F0-0x1F3 from A5 37 01 08 to 55 7A 00 08. Doing this will auto-boot the game to the debug menu. Press Up/Down to select an option, A to go into that option, and B to go back to the previous option. Here's a list of the menu options translated:

MAPセレクト１#

Map Select 1, as follows:

• オネット - Onett
• ツーソン - Twoson
• DG谷 - DG Valley, referring to Grateful Dead Valley (Peaceful Rest Valley in English versions)
• ハッピー - Happy, referring to Happy Happy Village
• スリーク - Threek (Threed in English versions)
• ウィンターズ - Winters
• グレープ - Grape, referring to Grapefruit Falls
• サターンバレー - Saturn Valley

MAPセレクト２#

Map Select 2, as follows:

• ドコドコ砂漠 - Dusty Dunes Desert
• フォーサイド - Fourside
• FO地下倉庫から - FO Underground Warehouse (the back room of Jackie's Bar/Café in Fourside)
• サマーズ - Summers
• サマーズ海上 - Summers Sea (when you're going to Scaraba)
• ランマ - Dalaam
• スカラビ - Scarabi (Scaraba in English versions)
• ダンジョン男 - Dungeon Man

OBJ CHK#

This option was used to check character sprites. Selecting this spawns Ness in his house at night, with no objects or NPCs present. Pressing Select will change the character sprite. The game checks for these characters to be loaded:

Ness
Paula
Jeff
Poo
Teddy Bear
Flying Men
Porky
Picky
King
Tony
Bubble Monkey

Pressing R will show an animation for the chosen character. Pressing L will show the previous animation shown.

References#