Timing starts at file select and ends when the screen fades to white, after Link touches the stairs that spawn at the end of the Dethyl fight.
No Wrong Warp.
No Screen Warping.
No Super Swim (no clip).
Cannot screen transition from a solid object.
Cannot transition between different cave systems or dungeon systems.
Here are the cave systems: 
All versions (1.0/1.1) are allowed.
Allowed platforms:
-Game Boy
-Game Boy Color
-Game Boy Advance
-Super Game Boy 2
-Gamecube Game Boy Player
-Bizhawk
-Gambatte revision 537 or higher
-BGB version 1.4.3 or higher
Banned platforms:
-Super Gameboy
-All other emulators
For all categories, timing starts at file select and ends on the white screen fade after beating Nightmare and climbing the stairs.
U+D/L+R is banned in all categories.
Stealing items from the shop is allowed.
"Warpless" means that glitches that warp Link unnaturally are banned. These include the select warp glitch, the doghouse glitch, and any trick that causes Link to bypass normal screen transition boundaries.
