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Kidou Senshi V Gundam

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Anti-Piracy/Region Lockout#

On several screen transitions starting from when the second screen shows up on the intro (with the plane), the game does two checks to ensure it isn't a pirated version for several frames: it first writes to SRAM at $700000, and checks if the console region is PAL. An original cartridge does not contain any SRAM, but cartridge copiers tend to include a large amount of SRAM to support a wide variety of games. If the SRAM write was successful or the game detects itself running on a PAL console, the game restarts, preventing the player from actually starting the game.

(Source: Original TCRF research)

Debug Menu#

left Kidou Senshi V Gundam has a debug mode which can be accessed by starting the game with the Pro Action Replay code 80800091 active, or by changing the first byte of an unheadered rom to 0x91.

Available options:

  • Atarichan V: object viewer (see below)
  • Test stage: a stage select
  • Demo: a cutscene viewer
  • SE check: makes noise
  • Secret weapon: unknown (it's a secret)

Object viewer#

This needs some investigation.
Discuss ideas and findings on the talk page.
Specifically: Explain how this works.

left Selecting "Atarichan V" from the main debug menu brings up an object viewer with several options.

(Source: Original TCRF research)

References#


  1. Tose - GDRI :: Game Developer Research Institute↩︎
  2. GDR スーパーファミコン ソフト一覧 1994年 - SUPER FAMICOM Software List 1994↩︎