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Front Mission (WonderSwan Color)

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Title Screen

Front Mission

Developer: Tom Create
Publisher: Square
Platform: WonderSwan Color
Released in JP: July 12, 2002

DevTextIcon.png This game has hidden development-related text.
DebugIcon.png This game has debugging material.
SoundtestIcon.png This game has a hidden sound test.

Debugging Context

The main loop is located at 4000:1EC0.

A jump table is located at 4000:1F83 (0x741F83) and is called at 4000:1F2F and 4000:1F52. The table is grouped by pairs of event pointers: init and update, which correspond to the 2 calls.

The Debug Menu state is index 1 (1st index being 0) within the jump table.

Debug Menu

FrontMissionWS debug menu.png

To access the debug menu, set a breakpoint at 4000:1F28, modify the byte value at DS:0201 to 0x01 and continue execution.

Event Functions
Init Update
4000:64B0 4000:659F
To do:
Determine if the Debug Menu can be accessed without the use of a debugger, ie. search ROM for writes to 0x201 with the value 0x01 and go on from there...

FrontMissionWS texture atlas.png

Debug Text


Also, there's some text for a debug status display at 0x797BDB.

Elementary, my dear Cactus.
This needs some investigation.
Discuss ideas and findings on the talk page.