From CloudModding OoT Wiki
Actor 0x005D
ovl_Door_Warp1
Version VRom VRam Size
Debug 00D51DC0 00D562E0 {{{ram-start}}} {{{ram-end}}} 4520
NTSC 1.0 00CA1CE0 00CA5F80 {{{ram-start}}} {{{ram-end}}} 42A0
PAL MQ 00CFC770 00D00A70 {{{ram-start}}} {{{ram-end}}} 4300

ovl_Door_Warp1 (Blue Warp) is an actor spawned by bosses once they are defeated, leading to the next sequence in the quest.

NTSC 1.0 Notes

Kokiri Emerald cutscene:  CA3176 "FFF1"
Goron Ruby cutscene:      CA30F6 "FFF1"
Zora Sapphire cutscene:   CA3712 "FFF0"

Change the item you get with a blue warp (Items table index, not Get Item table)
Deku Tree:          CA315F (originally "6C")
Dodongo's Cavern:   CA30DF (originally "6D")
Jabu Jabu:          CA36EB (originally "6E")
Forest Temple:      CA3D07 (originally "66")
Fire Temple:        CA3D93 (originally "67")
Water Temple:       CA3E1F (originally "68")
Spirit Temple:      CA3EB3 (originally "69")
Shadow Temple:      CA3F43 (originally "6A")

Instance

0x0182 s16 //count up animation timer (wrong warp)
//0xA1 Adult Warps
//0x65 Child Warps

Debug Rom Notes

ROM: 0xD531B8 (2405006D) (From King Dodongo Warp) - Goron Ruby
ROM: 0xD53228 (2405006C) (From Ghoma Warp) - Kokiri Emerald
ROM: 0xD537AC (2405006E) (From Barinade Warp) - Zora's Sapphire
ROM: 0xD53DC0 (24050066) (From Phantom Ganon Warp) - Forest Medallion
ROM: 0xD53E4C (24050067) (From Volvagia Warp) - Fire Medallion
ROM: 0xD53ED8 (24050068) (From Morpha Warp) - Water Medallion
ROM: 0xD53F6C (24050069) (From Twinrova Warp) - Spirit Medallion
ROM: 0xD53FFC (2405006A) (From Bongo-Bongo Warp) - Shadow Medallion

RAM - 242834 ORI - T6, V0, 0x0400 (Add 400 if applicable, clear flag for the Water Temple)
RAM - 242838 SH T6, 0x0EDC (Store 0400 in 15F53C)