Tony Hawk's Underground GBA Patch

Offline RainbowDash321

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I pretty much finished working on this patch.

Tony Hawk's Underground was released on GBA by Vicarious Visions and the most noticeable is that it's impossible to 100% legitimately due to broken codes by developers. This issue was never fixed in Tony Hawk's Underground / Kelly Slater's Pro Surfer double pack either. This patch aims to fix those problems so you can actually 100% this game. Unlike any other Tony Hawk GBA games, I removed the heath bar and area text names completely in Story Mode.

Oxygen Bar? gap: This gap is placed but for some reason it won't register because of Who Needs Oxygen? byte codes are affecting it. Now it works flawlessly.

Who Needs Oxygen? gap: This gap placement had problems. I adjust the coordinates and works fine.

South Lip gap: This gap is placed but wouldn't register because there's a byte code missing to activate it. I added the byte code back in the rom and works flawlessly. Hangar gaps check list order is fixed.

Buying Style gap: This gap does exist but the byte codes are messed up. I did got it work but only use the left ramp.

Puerto Uno gap: This gap does exist but the gap coordinates are off. I did adjust the gap coordinates and works flawlessly.