Information: This patch will limit the time you have to explore an dungeon. A countdown timer will be shown in the hud and when it is zero, you are warped back to the entrance
Rom: ALTTP (US) or 24 items menu, without Header
Screenshots:


ASM zip:
http://bszelda.zeldalegends.net/stuff/Con/countdown_asm.zip

Inside you will find 5 asm variants:
(1) Need an item to disable countdown (1 entrance)
(2) Need an item to disable countdown, each Crystal you collect increases your time in the dungeon (1 entrance)
(3) Need a specific amount of crystals to disable countdown (1 entrance)
(4) Need a specific amount of crystals to disable countdown (2 entrances with different amounts of crystals)
(5) Need a specific amount of both crystals (1 entrance) or Pendants (1 entrance)