“Zelda II - The Adventure of Link (USA)”

Cite as: “Zelda II - The Adventure of Link (USA)”
Licence: proprietary; never redistributed (docs/data-policy.md#roms)
Credit: Nintendo (developer and publisher)
Notes: NES 2.0 header: 128 KB PRG ROM, 128 KB CHR ROM, mapper 1 (MMC1), battery-backed PRG RAM. Without the 16-byte header the SHA-1 is 11333adb723a5975e0ecca3aee8f4747aa8d2d26.

Cited on

A hit sets Link's immunity timer to 4 and his injured timer to 32. The game counts the injured timer down every frame but the immunity timer only once every 21 frames, so the immunity lasts 64 to 84 frames, depending on where in the cycle the hit lands.	`0x1C179-0x1C191`	Code