Twin Cobra (Genesis)

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Button Cheats#

The title screen layout changed between regions. In Kyuukyoku Tiger (Japanese version), the codes must be entered on the title screen with the green background. In Twin Cobra, enter the codes after the helicopter has landed on the title screen.

Code	Effect
Up, Down, Right, Left, Start	Stage Select
Up, Down, Right, Left, A, Start	Upgrade weapons
Up, Down, Right, Left, B, Start	8 bombs
Up, Down, Right, Left, A, B, C, Start	View ending

For the weapon and bomb cheats, when the game starts, pause and resume for the upgrades to take effect. If you crash, or run low on bombs, pause and enter the cheats again for refills.

Ending

(Source: Desert eagle, GetSmart, virus.exe @ GameFAQs)

Debug Text#

This needs some investigation.
Discuss ideas and findings on the talk page.

Located at address $000376 is the following string:

debug

The programming immediately following this text may be debug related, or unused.