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Archipelago/worlds/cv64/data/patches.py

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normal_door_hook = [
0x00862021, # ADDU A0, A0, A2
0x80849C60, # LB A0, 0x9C60 (A0)
0x0C0FF174, # JAL 0x803FC5D0
0x308900FF # ANDI T1, A0, 0x00FF
]
normal_door_code = [
0x00024080, # SLL T0, V0, 2
0x3C048039, # LUI A0, 0x8039
0x00882021, # ADDU A0, A0, T0
0x8C849BE4, # LW A0, 0x9BE4 (A0)
0x8C6A0008, # LW T2, 0x0008 (V1)
0x008A5824, # AND T3, A0, T2
0x11600003, # BEQZ T3, [forward 0x03]
0x00000000, # NOP
0x24020003, # ADDIU V0, R0, 0x0003
0x27FF006C, # ADDIU RA, RA, 0x006C
0x03E00008 # JR RA
]
ct_door_hook = [
0x0C0FF182, # JAL 0x803FC608
0x00000000, # NOP
0x315900FF # ANDI T9, T2, 0x00FF
]
ct_door_code = [
0x3C0A8039, # LUI T2, 0x8039
0x8D429BF8, # LW V0, 0x9BF8 (T2)
0x01465021, # ADDU T2, T2, A2
0x814A9C60, # LB T2, 0x9C60 (T2)
0x00495824, # AND T3, V0, T1
0x55600001, # BNEZL T3, [forward 0x01]
0x27FF0010, # ADDIU RA, RA, 0x0010
0x03E00008 # JR RA
]
stage_select_overwrite = [
# Replacement for the "wipe world state" function when using the warp menu. Now it's the "Special1 jewel checker"
# to see how many destinations can be selected on it with the current count.
0x8FA60018, # LW A2, 0x0018 (SP)
0xA0606437, # SB R0, 0x6437 (V1)
0x10000029, # B [forward 0x29]
0x00000000, # NOP
0x3C0A8039, # LUI T2, 0x8039
0x254A9C4B, # ADDIU T2, T2, 0x9C4B
0x814B0000, # LB T3, 0x0000 (T2)
0x240C000A, # ADDIU T4, R0, 0x000A
0x016C001B, # DIVU T3, T4
0x00003012, # MFLO A2
0x24C60001, # ADDIU A2, A2, 0x0001
0x28CA0009, # SLTI T2, A2, 0x0009
0x51400001, # BEQZL T2, 0x8012AC7C
0x24060008, # ADDIU A2, R0, 0x0008
0x3C0A800D, # LUI T2, 0x800D
0x914A5E20, # LBU T2, 0x5E20 (T2)
0x314A0040, # ANDI T2, T2, 0x0040
0x11400003, # BEQZ T2, [forward 0x03]
0x240BFFFE, # ADDIU T3, R0, 0xFFFE
0x3C0C8034, # LUI T4, 0x8034
0xAD8B2084, # SW T3, 0x2084 (T4)
0x03200008, # JR T9
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
]
custom_code_loader = [
# On boot, when the company logos show up, this will trigger and load most of the custom ASM data in this module
# off from ROM offsets 0xBFC000-0xBFFFFF and into the 803FC000-803FFFFF range in RAM.
0x3C080C10, # LUI T0, 0x0C10
0x2508F1C0, # ADDIU T0, T0, 0xF1C0
0x3C098000, # LUI T1, 0x8000
0xAD282438, # SW T0, 0x2438 (T1)
0x3C088040, # LUI T0, 0x8040
0x9108C000, # ADDIU T0, 0xC000 (T0)
0x15000007, # BNEZ T0, [forward 0x07]
0x3C0400C0, # LUI A0, 0x00C0
0x2484C000, # ADDIU A0, A0, 0xC000
0x3C058040, # LUI A1, 0x8040
0x24A5C000, # ADDIU A1, A1, 0xC000
0x24064000, # ADDIU A2, R0, 0x4000
0x08005DFB, # J 0x800177EC
0x00000000, # NOP
0x03E00008 # JR RA
]
remote_item_giver = [
# The essential multiworld function. Every frame wherein the player is in control and not looking at a text box,
# this thing will check some bytes in RAM to see if an item or DeathLink has been received and trigger the right
# functions accordingly to either reward items or kill the player.
# Primary checks
0x3C088034, # LUI T0, 0x8034
0x9509244A, # LHU T1, 0x244A (T0)
0x3C088039, # LUI T0, 0x8039
0x910A9EFB, # LBU T2, 0x9EFF (T0)
0x012A4821, # ADDU T1, T1, T2
0x910A9EFF, # LBU T2, 0x9EFF (T0)
0x012A4821, # ADDU T1, T1, T2
0x910A9CCF, # LBU T2, 0x9CCF (T0)
0x012A4821, # ADDU T1, T1, T2
0x910A9EEF, # LBU T2, 0x9EEF (T0)
0x012A4821, # ADDU T1, T1, T2
0x910A9CD3, # LBU T2, 0x9CD3 (T0)
0x012A4821, # ADDU T1, T1, T2
0x3C088038, # LUI T0, 0x8038
0x910A7ADD, # LBU T2, 0x7ADD (T0)
0x012A4821, # ADDU T1, T1, T2
0x3C0B8039, # LUI T3, 0x8039
0x916A9BE0, # LBU T2, 0x9BE0 (T3)
0x012A4821, # ADDU T1, T1, T2
0x11200006, # BEQZ T1, [forward 0x06]
0x00000000, # NOP
0x11400002, # BEQZ T2, [forward 0x02]
0x254AFFFF, # ADDIU T2, T2, 0xFFFF
0xA16A9BE0, # SB T2, 0x9BE0 (T3)
0x03E00008, # JR RA
0x00000000, # NOP
# Item-specific checks
0x3C088034, # LUI T0, 0x8034
0x91082891, # LBU T0, 0x2891 (T0)
0x24090002, # ADDIU T1, R0, 0x0002
0x15090012, # BNE T0, T1, [forward 0x12]
0x00000000, # NOP
0x256B9BDF, # ADDIU T3, T3, 0x9BDF
0x91640000, # LBU A0, 0x0000 (T3)
0x14800003, # BNEZ A0, [forward 0x03]
0x00000000, # NOP
0x10000005, # B [forward 0x05]
0x256B0002, # ADDIU T3, T3, 0x0002
0x2409000F, # ADDIU T1, R0, 0x000F
0xA1690001, # SB T1, 0x0001 (T3)
0x080FF8DD, # J 0x803FE374
0xA1600000, # SB R0, 0x0000 (T3)
0x91640000, # LBU A0, 0x0000 (T3)
0x14800002, # BNEZ A0, [forward 0x02]
0x00000000, # NOP
0x10000003, # B [forward 0x03]
0x2409000F, # ADDIU T1, R0, 0x000F
0x080FF864, # J 0x803FE190
0xA169FFFF, # SB T1, 0xFFFF (T3)
# DeathLink-specific checks
0x3C0B8039, # LUI T3, 0x8039
0x256B9BE1, # ADDIU T3, T3, 0x9BE1
0x91640002, # LBU A0, 0x0002 (T3)
0x14800002, # BNEZ A0, [forward 0x02]
0x916900A7, # LBU T1, 0x00A7 (T3)
0x080FF9C0, # J 0x803FE700
0x312A0080, # ANDI T2, T1, 0x0080
0x11400002, # BEQZ T2, [forward 0x02]
0x00000000, # NOP
0x03E00008, # JR RA
0x35290080, # ORI T1, T1, 0x0080
0xA16900A7, # SB T1, 0x00A7 (T3)
0x2484FFFF, # ADDIU A0, A0, 0xFFFF
0x24080001, # ADDIU T0, R0, 0x0001
0x03E00008, # JR RA
0xA168FFFD, # SB T0, 0xFFFD (T3)
]
deathlink_nitro_edition = [
# Alternative to the end of the above DeathLink-specific checks that kills the player with the Nitro explosion
# instead of the normal death.
0x91690043, # LBU T1, 0x0043 (T3)
0x080FF9C0, # J 0x803FE700
0x3C088034, # LUI T0, 0x8034
0x91082BFE, # LBU T0, 0x2BFE (T0)
0x11000002, # BEQZ T0, [forward 0x02]
0x00000000, # NOP
0x03E00008, # JR RA
0x35290080, # ORI T1, T1, 0x0080
0xA1690043, # SB T1, 0x0043 (T3)
0x2484FFFF, # ADDIU A0, A0, 0xFFFF
0x24080001, # ADDIU T0, R0, 0x0001
0x03E00008, # JR RA
0xA168FFFD, # SB T0, 0xFFFD (T3)
]
deathlink_nitro_state_checker = [
# Checks to see if the player is in an alright state before exploding them. If not, then the Nitro explosion spawn
# code will be aborted, and they should eventually explode after getting out of that state.
#
# Invalid states so far include: interacting/going through a door, being grabbed by a vampire.
0x90880009, # LBU T0, 0x0009 (A0)
0x24090005, # ADDIU T1, R0, 0x0005
0x11090005, # BEQ T0, T1, [forward 0x05]
0x24090002, # ADDIU T1, R0, 0x0002
0x11090003, # BEQ T0, T1, [forward 0x03]
0x00000000, # NOP
0x08000660, # J 0x80001980
0x00000000, # NOP
0x03E00008, # JR RA
0xAC400048 # SW R0, 0x0048 (V0)
]
launch_fall_killer = [
# Custom code to force the instant fall death if at a high enough falling speed after getting killed by something
# that launches you (whether it be the Nitro explosion or a Big Toss hit). The game doesn't normally run the check
# that would trigger the fall death after you get killed by some other means, which could result in a softlock
# when a killing blow launches you into an abyss.
0x3C0C8035, # LUI T4, 0x8035
0x918807E2, # LBU T0, 0x07E2 (T4)
0x24090008, # ADDIU T1, R0, 0x0008
0x11090002, # BEQ T0, T1, [forward 0x02]
0x2409000C, # ADDIU T1, R0, 0x000C
0x15090006, # BNE T0, T1, [forward 0x06]
0x3C098035, # LUI T1, 0x8035
0x91290810, # LBU T1, 0x0810 (T1)
0x240A00C1, # ADDIU T2, R0, 0x00C1
0x152A0002, # BNE T1, T2, [forward 0x02]
0x240B0001, # ADDIU T3, R0, 0x0001
0xA18B07E2, # SB T3, 0x07E2 (T4)
0x03E00008 # JR RA
]
deathlink_counter_decrementer = [
# Decrements the DeathLink counter if it's above zero upon loading a previous state. Checking this number will be
# how the client will tell if a player's cause of death was something in-game or a DeathLink (and send a DeathLink
# to the server if it was the former). Also resets the remote item values to 00 so the player's received items don't
# get mucked up in-game.
0x3C088039, # LUI T0, 0x8039
0x91099BE3, # LBU T1, 0x9BE3 (T0)
0x11200002, # BEQZ T1, 0x803FC154
0x2529FFFF, # ADDIU T1, T1, 0xFFFF
0xA1099BE3, # SB T1, 0x9BE3
0x240900FF, # ADDIU T1, R0, 0x00FF
0xA1099BE0, # SB T1, 0x9BE0 (T0)
0xA1009BDF, # SB R0, 0x9BDF (T0)
0xA1009BE1, # SB R0, 0x9BE1 (T0)
0x91099BDE, # LBU T1, 0x9BDE (T0)
0x55200001, # BNEZL T1, [forward 0x01]
0x24090000, # ADDIU T1, R0, 0x0000
0xA1099BDE, # SB T1, 0x9BDE (T0)
0x91099C24, # LBU T1, 0x9C24 (T0)
0x312A0080, # ANDI T2, T1, 0x0080
0x55400001, # BNEZL T2, [forward 0x01]
0x3129007F, # ANDI T1, T1, 0x007F
0x03E00008, # JR RA
0xA1099C24 # SB T1, 0x9C24 (T0)
]
death_flag_unsetter = [
# Un-sets the Death status bitflag when overwriting the "Restart this stage" state and sets health to full if it's
# empty. This is to ensure DeathLinked players won't get trapped in a perpetual death loop for eternity should they
# receive one right before transitioning to a different stage.
0x3C048039, # LUI A0, 0x8039
0x90889C88, # LBU T0, 0x9C88 (A0)
0x31090080, # ANDI T1, T0, 0x0080
0x01094023, # SUBU T0, T0, T1
0x908A9C3F, # LBU T2, 0x9C3F (A0)
0x24090064, # ADDIU T1, R0, 0x0064
0x51400001, # BEQZL T2, [forward 0x01]
0xA0899C3F, # SB T1, 0x9C3F (A0)
0x08006DAE, # J 0x8001B6B8
0xA0889C88 # SB T0, 0x9C88 (A0)
]
warp_menu_opener = [
# Enables opening the Stage Select menu by pausing while holding Z + R when not in a boss fight, the castle
# crumbling sequence following Fake Dracula, or Renon's arena (in the few seconds after his health bar vanishes).
0x3C08800D, # LUI T0, 0x800D
0x85095E20, # LH T1, 0x5E20 (T0)
0x24083010, # ADDIU T0, R0, 0x3010
0x15090011, # BNE T0, T1, [forward 0x11]
0x3C088035, # LUI T0, 0x8035
0x9108F7D8, # LBU T0, 0xF7D8 (T0)
0x24090020, # ADDIU T1, R0, 0x0020
0x1109000D, # BEQ T0, T1, [forward 0x0D]
0x3C088039, # LUI T0, 0x8039
0x91099BFA, # LBU T1, 0x9BFA (T0)
0x31290001, # ANDI T1, T1, 0x0001
0x15200009, # BNEZ T1, [forward 0x09]
0x8D099EE0, # LW T1, 0x9EE0
0x3C0A001B, # LUI T2, 0x001B
0x254A0003, # ADDIU T2, T2, 0x0003
0x112A0005, # BEQ T1, T2, [forward 0x05]
0x3C098034, # LUI T1, 0x8034
0xA1009BE1, # SB R0, 0x9BE1 (T0)
0x2408FFFC, # ADDIU T0, R0, 0xFFFC
0x0804DA70, # J 0x80136960
0xAD282084, # SW T0, 0x2084 (T1)
0x0804DA70, # J 0x80136960
0xA44E6436 # SH T6, 0x6436 (V0)
]
give_subweapon_stopper = [
# Extension to "give subweapon" function to not change the player's weapon if the received item is a Stake or Rose.
# Can also increment the Ice Trap counter if getting a Rose or jump to prev_subweapon_dropper if applicable.
0x24090011, # ADDIU T1, R0, 0x0011
0x11240009, # BEQ T1, A0, [forward 0x09]
0x24090012, # ADDIU T1, R0, 0x0012
0x11240003, # BEQ T1, A0, [forward 0x03]
0x9465618A, # LHU A1, 0x618A (V1)
0xA46D618A, # SH T5, 0x618A (V1)
0x0804F0BF, # J 0x8013C2FC
0x3C098039, # LUI T1, 0x8039
0x912A9BE2, # LBU T2, 0x9BE2 (T1)
0x254A0001, # ADDIU T2, T2, 0x0001
0xA12A9BE2, # SB T2, 0x9BE2 (T1)
0x0804F0BF, # J 0x8013C2FC
]
give_powerup_stopper = [
# Extension to "give PowerUp" function to not increase the player's PowerUp count beyond 2
0x240D0002, # ADDIU T5, R0, 0x0002
0x556D0001, # BNEL T3, T5, [forward 0x01]
0xA46C6234, # SH T4, 0x6234 (V1)
0x0804F0BF # J 0x8013C2FC
]
npc_item_hack = [
# Hack to make NPC items show item textboxes when received (and decrease the Countdown if applicable).
0x3C098039, # LUI T1, 0x8039
0x001F5602, # SRL T2, RA, 24
0x240B0080, # ADDIU T3, R0, 0x0080
0x114B001F, # BEQ T2, T3, [forward 0x1F]
0x240A001A, # ADDIU T2, R0, 0x001A
0x27BD0020, # ADDIU SP, SP, 0x20
0x15440004, # BNE T2, A0, [forward 0x04]
0x240B0029, # ADDIU T3, R0, 0x0029
0x34199464, # ORI T9, R0, 0x9464
0x10000004, # B [forward 0x04]
0x240C0002, # ADDIU T4, R0, 0x0002
0x3419DA64, # ORI T9, R0, 0xDA64
0x240B0002, # ADDIU T3, R0, 0x0002
0x240C000E, # ADDIU T4, R0, 0x000E
0x012C7021, # ADDU T6, T1, T4
0x316C00FF, # ANDI T4, T3, 0x00FF
0x000B5A02, # SRL T3, T3, 8
0x91CA9CA4, # LBU T2, 0x9CA4 (T6)
0x3C0D8040, # LUI T5, 0x8040
0x256FFFFF, # ADDIU T7, T3, 0xFFFF
0x01AF6821, # ADDU T5, T5, T7
0x91B8D71C, # LBU T8, 0xD71C (T5)
0x29EF0019, # SLTI T7, T7, 0x0019
0x51E00001, # BEQZL T7, [forward 0x01]
0x91B8D71F, # LBU T8, 0xD71F (T5)
0x13000002, # BEQZ T8, [forward 0x02]
0x254AFFFF, # ADDIU T2, T2, 0xFFFF
0xA1CA9CA4, # SB T2, 0x9CA4 (T6)
0xA12C9BDF, # SB T4, 0x9BDF (T1)
0x3C0400BB, # LUI A0, 0x00BB
0x00992025, # OR A0, A0, T9
0x3C058019, # LUI A1, 0x8019
0x24A5BF98, # ADDIU A1, A1, 0xBF98
0x08005DFB, # J 0x800177EC
0x24060100, # ADDIU A2, R0, 0x0100
0x0804EFFD, # J 0x8013BFF4
0xAFBF0014 # SW RA, 0x0014 (SP)
]
overlay_modifiers = [
# Whenever a compressed overlay gets decompressed and mapped in the 0F or 0E domains, this thing will check the
# number ID in the T0 register to tell which one it is and overwrite some instructions in it on-the-fly accordingly
# to said number before it runs. Confirmed to NOT be a foolproof solution on console and Simple64; the instructions
# may not be properly overwritten on the first execution of the overlay.
# Prevent being able to throw Nitro into the Hazardous Waste Disposals
0x3C0A2402, # LUI T2, 0x2402
0x254A0001, # ADDIU T2, T2, 0x0001
0x24090023, # ADDIU T1, R0, 0x0023
0x15090003, # BNE T0, T1, [forward 0x03]
0x00000000, # NOP
0x03200008, # JR T9
0xAF2A01D4, # SW T2, 0x01D4 (T9)
# Make it so nothing can be taken from the Nitro or Mandragora shelves through the textboxes
0x24090022, # ADDIU T1, R0, 0x0022
0x11090002, # BEQ T0, T1, [forward 0x02]
0x24090021, # ADDIU T1, R0, 0x0021
0x15090003, # BNE T0, T1, [forward 0x03]
0x254AFFFF, # ADDIU T2, T2, 0xFFFF
0x03200008, # JR T9
0xAF2A0194, # SW T2, 0x0194 (T9)
# Fix to allow placing both bomb components at a cracked wall at once while having multiple copies of each, and
# prevent placing them at the downstairs crack altogether until the seal is removed. Also enables placing both in
# one interaction.
0x24090024, # ADDIU T1, R0, 0x0024
0x15090012, # BNE T0, T1, [forward 0x12]
0x240A0040, # ADDIU T2, R0, 0x0040
0x240BC338, # ADDIU T3, R0, 0xC338
0x240CC3D4, # ADDIU T4, R0, 0xC3D4
0x240DC38C, # ADDIU T5, R0, 0xC38C
0xA32A030F, # SB T2, 0x030F (T9)
0xA72B0312, # SH T3, 0x0312 (T9)
0xA32A033F, # SB T2, 0x033F (T9)
0xA72B0342, # SH T3, 0x0342 (T9)
0xA32A03E3, # SB T2, 0x03E3 (T9)
0xA72C03E6, # SH T4, 0x03E6 (T9)
0xA32A039F, # SB T2, 0x039F (T9)
0xA72D03A2, # SH T5, 0x03A2 (T9)
0xA32A03CB, # SB T2, 0x03CB (T9)
0xA72D03CE, # SH T5, 0x03CE (T9)
0xA32A05CF, # SB T2, 0x05CF (T9)
0x240EE074, # ADDIU T6, R0, 0xE074
0xA72E05D2, # SH T6, 0x05D2 (T9)
0x03200008, # JR T9
# Disable the costume and Hard Mode flag checks so that pressing Up on the Player Select screen will always allow
# the characters' alternate costumes to be used as well as Hard Mode being selectable without creating save data.
0x2409012E, # ADDIU T1, R0, 0x012E
0x1509000A, # BNE T0, T1, [forward 0x0A]
0x3C0A3C0B, # LUI T2, 0x3C0B
0x254A8000, # ADDIU T2, T2, 0x8000
0x240B240E, # ADDIU T3, R0, 0x240E
0x240C240F, # ADDIU T4, R0, 0x240F
0x240D0024, # ADDIU T5, R0, 0x0024
0xAF2A0C78, # SW T2, 0x0C78 (T9)
0xA72B0CA0, # SH T3, 0x0CA0 (T9)
0xA72C0CDC, # SH T4, 0x0CDC (T9)
0xA32D0168, # SB T5, 0x0024 (T9)
0x03200008, # JR T9
# Overwrite instructions in the Forest end cutscene script to store a spawn position ID instead of a cutscene ID.
0x2409002E, # ADDIU T1, R0, 0x002E
0x15090005, # BNE T0, T1, [forward 0x05]
0x3C0AA058, # LUI T2, 0xA058
0x254A642B, # ADDIU T2, T2, 0x642B
0xAF2A0D88, # SW T2, 0x0D88 (T9)
0xAF200D98, # SW R0, 0x0D98 (T9)
0x03200008, # JR T9
# Disable the rapid flashing effect in the CC planetarium cutscene to ensure it won't trigger seizures.
0x2409003E, # ADDIU T1, R0, 0x003E
0x1509000C, # BNE T0, T1, [forward 0x0C]
0x00000000, # NOP
0xAF200C5C, # SW R0, 0x0C5C
0xAF200CD0, # SW R0, 0x0CD0
0xAF200C64, # SW R0, 0x0C64
0xAF200C74, # SW R0, 0x0C74
0xAF200C80, # SW R0, 0x0C80
0xAF200C88, # SW R0, 0x0C88
0xAF200C90, # SW R0, 0x0C90
0xAF200C9C, # SW R0, 0x0C9C
0xAF200CB4, # SW R0, 0x0CB4
0xAF200CC8, # SW R0, 0x0CC8
0x03200008, # JR T9
0x24090134, # ADDIU T1, R0, 0x0134
0x15090005, # BNE T0, T1, [forward 0x05]
0x340B8040, # ORI T3, R0, 0x8040
0x340CDD20, # ORI T4, R0, 0xDD20
0xA72B1D1E, # SH T3, 0x1D1E (T9)
0xA72C1D22, # SH T4, 0x1D22 (T9)
0x03200008, # JR T9
# Make the Ice Trap model check branch properly
0x24090125, # ADDIU T1, R0, 0x0125
0x15090003, # BNE T0, T1, [forward 0x03]
0x3C0B3C19, # LUI T3, 0x3C19
0x356B803F, # ORI T3, T3, 0x803F
0xAF2B04D0, # SW T3, 0x04D0 (T9)
0x03200008 # JR T9
]
double_component_checker = [
# When checking to see if a bomb component can be placed at a cracked wall, this will run if the code lands at the
# "no need to set 2" outcome to see if the other can be set.
# Mandragora checker
0x10400007, # BEQZ V0, [forward 0x07]
0x3C0A8039, # LUI T2, 0x8039
0x31098000, # ANDI T1, T0, 0x8000
0x15200008, # BNEZ T1, [forward 0x08]
0x91499C5D, # LBU T1, 0x9C5D (T2)
0x11200006, # BEQZ T1, 0x80183938
0x00000000, # NOP
0x10000007, # B [forward 0x07]
0x31E90100, # ANDI T1, T7, 0x0100
0x15200002, # BNEZ T1, [forward 0x02]
0x91499C5D, # LBU T1, 0x9C5D (T2)
0x15200003, # BNEZ T1, [forward 0x03]
0x3C198000, # LUI T9, 0x8000
0x27391590, # ADDIU T9, T9, 0x1590
0x03200008, # JR T9
0x24090001, # ADDIU T1, R0, 0x0001
0xA4E9004C, # SH T1, 0x004C (A3)
0x3C190E00, # LUI T9, 0x0E00
0x273903E0, # ADDIU T9, T9, 0x03E0
0x03200008, # JR T9
0x00000000, # NOP
# Nitro checker
0x10400007, # BEQZ V0, [forward 0x07]
0x3C0A8039, # LUI T2, 0x8039
0x31694000, # ANDI T1, T3, 0x4000
0x15200008, # BNEZ T1, [forward 0x08]
0x91499C5C, # LBU T1, 0x9C5C
0x11200006, # BEQZ T1, [forward 0x06]
0x00000000, # NOP
0x1000FFF4, # B [backward 0x0B]
0x914F9C18, # LBU T7, 0x9C18 (T2)
0x31E90002, # ANDI T1, T7, 0x0002
0x1520FFEC, # BNEZ T1, [backward 0x13]
0x91499C5C, # LBU T1, 0x9C5C (T2)
0x1520FFEF, # BNEZ T1, [backward 0x15]
0x00000000, # NOP
0x1000FFE8, # B [backward 0x17]
0x00000000, # NOP
]
downstairs_seal_checker = [
# This will run specifically for the downstairs crack to see if the seal has been removed before then deciding to
# let the player set the bomb components or not. An anti-dick measure, since there is a limited number of each
# component per world.
0x14400004, # BNEZ V0, [forward 0x04]
0x3C0A8039, # LUI T2, 0x8039
0x914A9C18, # LBU T2, 0x9C18 (T2)
0x314A0001, # ANDI T2, T2, 0x0001
0x11400003, # BEQZ T2, [forward 0x03]
0x3C198000, # LUI T9, 0x8000
0x27391448, # ADDIU T9, T9, 0x1448
0x03200008, # JR T9
0x3C190E00, # LUI T9, 0x0E00
0x273902B4, # ADDIU T9, T9, 0x02B4
0x03200008, # JR T9
0x00000000, # NOP
]
map_data_modifiers = [
# Overwrites the map data table on-the-fly after it loads and before the game reads it to load objects. Good for
# changing anything that is part of a compression chain in the ROM data, including some freestanding item IDs.
# Also jumps to the function that overwrites the "Restart this stage" data if entering through the back of a level.
0x08006DAA, # J 0x8001B6A8
0x00000000, # NOP
# Demo checker (if we're in a title demo, don't do any of this)
0x3C028034, # LUI V0, 0x8034
0x9449244A, # LHU T1, 0x244A (V0)
0x11200002, # BEQZ T1, [forward 0x02]
# Zero checker (if there are zeroes in the word at 0x8034244A, where the entity list address is stored, don't do
# any of this either)
0x8C422B00, # LW V0, 0x2B00 (V0)
0x03E00008, # JR RA
0x00000000, # NOP
0x14400002, # BNEZ V0, [forward 0x02]
0x00000000, # NOP
0x03E00008, # JR RA
0x3C088039, # LUI T0, 0x8039
0x91199EE3, # LBU T9, 0x9EE3 (T0)
0x91089EE1, # LBU T0, 0x9EE1 (T0)
# Forest of Silence (replaces 1 invisible chicken)
0x15000006, # BNEZ T0, [forward 0x06]
0x340A0001, # ORI T2, R0, 0x0001 <- Werewolf plaque
0xA44A01C8, # SH T2, 0x01C8 (V0)
0x24090001, # ADDIU T1, R0, 0x0001
0x1139FFED, # BEQ T1, T9, [backward 0x12]
0x00000000, # NOP
0x03E00008, # JR RA
# Villa front yard (replaces 1 moneybag and 2 beefs)
0x24090003, # ADDIU T1, R0, 0x0003
0x15090008, # BNE T0, T1, [forward 0x08]
0x340A0001, # ORI T2, R0, 0x0001 <- Fountain FL
0x340B0001, # ORI T3, R0, 0x0001 <- Fountain RL
0x340C001F, # ORI T4, R0, 0x0001 <- Dog food gate
0xA44A0058, # SH T2, 0x0058 (V0)
0xA44B0038, # SH T3, 0x0038 (V0)
0xA44C0068, # SH T4, 0x0068 (V0)
0x03E00008, # JR RA
0x00000000, # NOP
# Villa living area (Replaces 1 chicken, 1 knife, and 3 invisible Purifyings and assigns flags to the sub-weapons)
0x24090005, # ADDIU T1, R0, 0x0005
0x15090025, # BNE T0, T1, [forward 0x25]
0x340B0010, # ORI T3, R0, 0x0001 <- Hallway axe
0xA44B00B8, # SH T3, 0x00B8 (V0)
0x340A0001, # ORI T2, R0, 0x0001 <- Storeroom R
0x340B0010, # ORI T3, R0, 0x0001 <- Hallway knife
0x340C0001, # ORI T4, R0, 0x0001 <- Living Room painting
0x340D0001, # ORI T5, R0, 0x0001 <- Dining Room vase
0x340E0001, # ORI T6, R0, 0x0001 <- Archives table
0xA44A0078, # SH T2, 0x0078 (V0)
0xA44B00C8, # SH T3, 0x00C8 (V0)
0xA44C0108, # SH T4, 0x0108 (V0)
0xA44D0128, # SH T5, 0x0128 (V0)
0xA44E0138, # SH T6, 0x0138 (V0)
0x340A0000, # ORI T2, R0, 0x0000 <- Sub-weapons left flag half
0xA44A009C, # SH T2, 0x009C (V0)
0xA44A00AC, # SH T2, 0x00AC (V0)
0xA44A00BC, # SH T2, 0x00BC (V0)
0xA44A00CC, # SH T2, 0x00CC (V0)
0x340A0000, # ORI T2, R0, 0x0000 <- Sub-weapons right flag halves
0x240B0000, # ADDIU T3, R0, 0x0000
0x240C0000, # ADDIU T4, R0, 0x0000
0x240D0000, # ADDIU T5, R0, 0x0000
0xA44A00CA, # SH T2, 0x00CA (V0)
0xA44B00BA, # SH T3, 0x00BA (V0)
0xA44C009A, # SH T4, 0x009A (V0)
0xA44D00AA, # SH T5, 0x00AA (V0)
0x340A0001, # ORI T2, R0, 0x0001 <- Near bed
0x340B0010, # ORI T3, R0, 0x0001 <- Storeroom L
0x340C0001, # ORI T4, R0, 0x0001 <- Storeroom statue
0x340D0001, # ORI T5, R0, 0x0001 <- Exit knight
0x340E0001, # ORI T6, R0, 0x0001 <- Sitting room table
0xA44A0048, # SH T2, 0x0078 (V0)
0xA44B0088, # SH T3, 0x00C8 (V0)
0xA44C00D8, # SH T4, 0x0108 (V0)
0xA44D00F8, # SH T5, 0x0128 (V0)
0xA44E0118, # SH T6, 0x0138 (V0)
0x03E00008, # JR RA
0x00000000, # NOP
# Tunnel (replaces 1 invisible Cure Ampoule)
0x24090007, # ADDIU T1, R0, 0x0007
0x1509000A, # BNE T0, T1, [forward 0x0A]
0x340A0001, # ORI T2, R0, 0x0001 <- Twin arrow signs
0xA44A0268, # SH T2, 0x0268 (V0)
0x340A0001, # ORI T2, R0, 0x0001 <- Bucket
0xA44A0258, # SH T2, 0x0258 (V0)
0x240B0005, # ADDIU T3, R0, 0x0005
0xA04B0150, # SB T3, 0x0150 (V0)
0x24090011, # ADDIU T1, R0, 0x0011
0x1139FFB0, # BEQ T1, T9, [backward 0x50]
0x00000000, # NOP
0x03E00008, # JR RA
# Castle Center factory floor (replaces 1 moneybag, 1 jewel, and gives every lizard man coffin item a unique flag)
0x2409000B, # ADDIU T1, R0, 0x000B
0x15090016, # BNE T0, T1, [forward 0x16]
0x340A001A, # ORI T2, R0, 0x001A <- Lizard coffin nearside mid-right
0x340B0003, # ORI T3, R0, 0x0003 <- Lizard coffin nearside mid-left
0xA44A00C8, # SH T2, 0x00C8 (V0)
0xA44B00D8, # SH T3, 0x00D8 (V0)
0x240A1000, # ADDIU T2, R0, 0x1000
0x240B2000, # ADDIU T3, R0, 0x2000
0x240C0400, # ADDIU T4, R0, 0x0400
0x240D0800, # ADDIU T5, R0, 0x0800
0x240E0200, # ADDIU T6, R0, 0x0200
0x240F0100, # ADDIU T7, R0, 0x0100
0xA44A009A, # SH T2, 0x009A (V0)
0xA44B00AA, # SH T3, 0x00AA (V0)
0xA44C00CA, # SH T4, 0x00CA (V0)
0xA44D00BA, # SH T5, 0x00BA (V0)
0xA44E00DA, # SH T6, 0x00DA (V0)
0xA44F00EA, # SH T7, 0x00EA (V0)
0x340A0017, # ORI T2, R0, 0x0017 <- Lizard coffin nearside mid-right
0x340B000C, # ORI T3, R0, 0x000C <- Lizard coffin nearside mid-left
0xA44A00A8, # SH T2, 0x00C8 (V0)
0xA44B00E8, # SH T3, 0x00D8 (V0)
0x03E00008, # JR RA
0x00000000, # NOP
# Duel Tower (replaces a flame on top of a rotating lion pillar with a White Jewel on the invisible bridge ledge)
0x24090013, # ADDIU T1, R0, 0x0013
0x1509000F, # BNE T0, T1, [forward 0x0F]
0x3C0A00B9, # LUI T2, 0x00BB
0x254A012B, # ADDIU T2, T2, 0x012B
0x3C0BFE2A, # LUI T3, 0xFE2A
0x256B0027, # ADDIU T3, T3, 0x0027
0x3C0C0001, # LUI T4, 0x0001
0x3C0D0022, # LUI T5, 0x0022
0x25AD0100, # ADDIU T5, T5, 0x0100
0xAC4A0A80, # SW T2, 0x0AE0 (V0)
0xAC4B0A84, # SW T3, 0x0AE4 (V0)
0xAC4C0A88, # SW T4, 0x0AE8 (V0)
0xAC4D0A8C, # SW T5, 0x0AEC (V0)
0x24090001, # ADDIU T1, R0, 0x0001
0x1139FF87, # BEQ T1, T9, [backward 0x77]
0x00000000, # NOP
0x03E00008, # JR RA
# Castle Keep outside (replaces 1 invisible Healing Kit and gives both invisible Healing Kits pickup flags)
0x24090014, # ADDIU T1, R0, 0x0014
0x1509000A, # BNE T0, T1, [forward 0x0A]
0x340A0001, # ORI T2, R0, 0x0001 <- Right flame
0xA44A0058, # SH T2, 0x0058 (V0)
0x240A0001, # ADDIU T2, R0, 0x0001
0x240B0002, # ADDIU T3, R0, 0x0002
0xA44A004A, # SH T2, 0x004A (V0)
0xA44B005A, # SH T3, 0x005A (V0)
0x24090002, # ADDIU T1, R0, 0x0002
0x1139FF7B, # BEQ T0, T1, [backward 0x74]
0x00000000, # NOP
0x03E00008, # JR RA
# Castle Wall main area (sets a flag for the freestanding Holy Water if applicable and the "beginning of stage"
# state if entered from the rear)
0x24090002, # ADDIU T1, R0, 0x0002
0x15090006, # BNE T0, T1, [forward 0x06]
0x24090000, # ADDIU T1, R0, 0x0000
0xA049009B, # SB T1, 0x009B (V0)
0x24090010, # ADDIU T1, R0, 0x0010
0x1139FF73, # BEQ T1, T9, [backward 0x8D]
0x00000000, # NOP
0x03E00008, # JR RA
# Villa vampire crypt (sets the "beginning of stage" state if entered from the rear, as well as the "can warp here"
# flag if arriving for the first time)
0x2409001A, # ADDIU T1, R0, 0x001A
0x15090008, # BNE T0, T1, [forward 0x08]
0x3C0A8039, # LUI T2, 0x8039
0x914B9C1C, # LBU T3, 0x9C1C (T2)
0x356B0001, # ORI T3, T3, 0x0001
0xA14B9C1C, # SB T3, 0x9C1C (T2)
0x24090003, # ADDIU T1, R0, 0x0003
0x1139FF69, # BEQ T1, T9, [backward 0x98]
0x00000000, # NOP
0x03E00008, # JR RA
# Underground Waterway (sets the "beginning of stage" state if entered from the rear)
0x24090008, # ADDIU T1, R0, 0x0008
0x15090004, # BNE T0, T1, [forward 0x04]
0x24090001, # ADDIU T1, R0, 0x0001
0x1139FF63, # BEQ T1, T9, [backward 0x9F]
0x00000000, # NOP
0x03E00008, # JR RA
# Castle Center elevator top (sets the "beginning of stage" state if entered from either rear, as well as the "can
# warp here" flag if arriving for the first time)
0x2409000F, # ADDIU T1, R0, 0x000F
0x1509000A, # BNE T0, T1, [forward 0x0A]
0x3C0A8039, # LUI T2, 0x8039
0x914B9C1C, # LBU T3, 0x9C1C (T2)
0x356B0002, # ORI T3, T3, 0x0002
0xA14B9C1C, # SB T3, 0x9C1C (T2)
0x24090002, # ADDIU T1, R0, 0x0002
0x1139FF59, # BEQ T1, T9, [backward 0xAA]
0x24090003, # ADDIU T1, R0, 0x0003
0x1139FF57, # BEQ T1, T9, [backward 0xAC]
0x00000000, # NOP
0x03E00008, # JR RA
# Tower of Execution (sets the "beginning of stage" state if entered from the rear)
0x24090010, # ADDIU T1, R0, 0x0010
0x15090004, # BNE T0, T1, [forward 0x10]
0x24090012, # ADDIU T1, R0, 0x0012
0x1139FF51, # BEQ T1, T9, [backward 0xAF]
0x00000000, # NOP
0x03E00008, # JR RA
# Tower of Sorcery (sets the "beginning of stage" state if entered from the rear)
0x24090011, # ADDIU T1, R0, 0x0011
0x15090004, # BNE T0, T1, [forward 0x04]
0x24090013, # ADDIU T1, R0, 0x0013
0x1139FF4B, # BEQ T1, T9, [backward 0xBA]
0x00000000, # NOP
0x03E00008, # JR RA
# Tower of Science (sets the "beginning of stage" state if entered from the rear)
0x24090012, # ADDIU T1, R0, 0x0012
0x15090004, # BNE T0, T1, [forward 0x04]
0x24090004, # ADDIU T1, R0, 0x0004
0x1139FF45, # BEQ T1, T9, [backward 0xC1]
0x00000000, # NOP
0x03E00008, # JR RA
# Room of Clocks (changes 2 candle settings if applicable and sets the "begging of stage" state if spawning at end)
0x2409001B, # ADDIU T1, R0, 0x001B
0x15090008, # BNE T0, T1, [forward 0x08]
0x24090006, # ADDIU T1, R0, 0x0006
0x240A0006, # ADDIU T2, R0, 0x0006
0xA0490059, # SB T1, 0x0059 (V0)
0xA04A0069, # SB T2, 0x0069 (V0)
0x24090014, # ADDIU T1, R0, 0x0014
0x1139FF3B, # BEQ T1, T9, [backward 0xCC]
0x00000000, # NOP
0x03E00008, # JR RA
# Castle Center basement (changes 2 non-pickup-able Mandragoras into 2 real items and moves the torture shelf item
# forward slightly if it's turned visible)
0x24090009, # ADDIU T1, R0, 0x0009
0x15090011, # BNE T0, T1, [forward 0x11]
0x3409FFFC, # ORI T1, R0, 0xFFFC
0xA44907C0, # SH T1, 0x07C0 (V0)
0xA44907D0, # SH T1, 0x07D0 (V0)
0x240A0027, # ADDIU T2, R0, 0x0027
0xA44A07C6, # SH T2, 0x07C6 (V0)
0xA44A07D6, # SH T2, 0x07D6 (V0)
0x340B0001, # ORI T3, R0, 0x0001 <- Right Mandragora
0x340C0001, # ORI T4, R0, 0x0001 <- Left Mandragora
0xA44B07C8, # SH T3, 0x07C8 (V0)
0xA44C07D8, # SH T4, 0x07D8 (V0)
0x240D00F5, # ADDIU T5, R0, 0x00F5
0xA04D06D1, # SB T5, 0x06D1 (V0)
0x24090040, # ADDIU T1, R0, 0x0040
0x240A0080, # ADDIU T2, R0, 0x0080
0xA04907CA, # SB T1, 0x07CA (V0)
0xA04A07DA, # SB T2, 0x07DA (V0)
0x03E00008, # JR RA
# Castle Center nitro area (changes 2 non-pickup-able Nitros into 2 real items)
0x2409000E, # ADDIU T1, R0, 0x000E
0x15090015, # BNE T0, T1, [forward 0x15]
0x240900C0, # ADDIU T1, R0, 0x00C0
0x240A00CE, # ADDIU T2, R0, 0x00CE
0xA0490471, # SB T1, 0x0471 (V0)
0xA04A04A1, # SB T2, 0x04A1 (V0)
0x24090027, # ADDIU T1, R0, 0x0027
0xA4490476, # SH T1, 0x0476 (V0)
0xA44904A6, # SH T1, 0x04A6 (V0)
0x340A0001, # ORI T2, R0, 0x0001 <- Invention-side shelf
0x340B0001, # ORI T3, R0, 0x0001 <- Heinrich-side shelf
0xA44A0478, # SH T2, 0x0478 (V0)
0xA44B04A8, # SH T3, 0x04A8 (V0)
0x24090080, # ADDIU T1, R0, 0x0080
0xA049047A, # SB T1, 0x047A (V0)
0xA440047C, # SH R0, 0x047C (V0)
0x240A0400, # ADDIU T2, R0, 0x0400
0x340BFF05, # ORI T3, R0, 0xFF05
0xA44A04AA, # SH T2, 0x04AA (V0)
0xA44B04AC, # SH T3, 0x04AC (V0)
0x24090046, # ADDIU T1, R0, 0x0046
0xA04904A3, # SB T1, 0x04A3 (V0)
0x03E00008, # JR RA
# Fan meeting room (sets "beginning of stage" flag)
0x24090019, # ADDIU T1, R0, 0x0019
0x1109FF0D, # BEQ T1, T9, [backward 0xFB]
0x00000000, # NOP
0x03E00008, # JR RA
]
renon_cutscene_checker = [
# Prevents Renon's departure/pre-fight cutscene from playing if the player is either in the escape sequence or both
# did not spend the required 30K to fight him and lacks the required Special2s to fight Dracula.
0x15810002, # BNE T4, AT, [forward 0x02]
0x00000000, # NOP
0x08049EB3, # J 0x80127ACC
0x24090016, # ADDIU T1, R0, 0x0016
0x11C90002, # BEQ T6, T1, [forward 0x02]
0x00000000, # NOP
0x08049ECA, # J 0x80127B28
0x24190000, # ADDIU T9, R0, 0x0000
0x8C696208, # LW T1, 0x6208 (V1)
0x292A7531, # SLTI T2, T1, 0x7531
0x51400001, # BEQZL T2, [forward 0x01]
0x24190001, # ADDIU T9, R0, 0x0001
0x3C0B8013, # LUI T3, 0x8013
0x916BAC9F, # LBU T3, 0xAC9F (T3)
0x906C6194, # LBU T4, 0x6194 (V1)
0x018B502A, # SLT T2, T4, T3
0x51400001, # BEQZL T2, [forward 0x01]
0x24190001, # ADDIU T9, R0, 0x0001
0x90696142, # LBU T1, 0x6142 (V1)
0x31290002, # ANDI T1, T1, 0x0002
0x55200001, # BNEZL T1, [forward 0x01]
0x24190000, # ADDIU T9, R0, 0x0000
0x17200003, # BNEZ T9, [forward 0x03]
0x00000000, # NOP
0x08049ECC, # J 0x80127B30
0x00000000, # NOP
0x08049ECA # J 0x80127B28
]
renon_cutscene_checker_jr = [
# Like renon_cutscene_checker, but without the checks for the Special2 and spent money counters. Inserted instead if
# the player chooses to guarantee or disable the Renon fight on their YAML.
0x15810002, # BNE T4, AT, [forward 0x02]
0x00000000, # NOP
0x08049EB3, # J 0x80127ACC
0x24090016, # ADDIU T1, R0, 0x0016
0x11C90002, # BEQ T6, T1, [forward 0x02]
0x00000000, # NOP
0x08049ECA, # J 0x80127B28
0x24190001, # ADDIU T9, R0, 0x0001
0x90696142, # LBU T1, 0x6142 (V1)
0x31290002, # ANDI T1, T1, 0x0002
0x55200001, # BNEZL T1, [forward 0x01]
0x24190000, # ADDIU T9, R0, 0x0000
0x17200003, # BNEZ T9, [forward 0x03]
0x00000000, # NOP
0x08049ECC, # J 0x80127B30
0x00000000, # NOP
0x08049ECA # J 0x80127B28
]
ck_door_music_player = [
# Plays Castle Keep's song if you spawn in front of Dracula's door (teleporting via the warp menu) and haven't
# started the escape sequence yet.
0x17010002, # BNE T8, AT, [forward 0x02]
0x00000000, # NOP
0x08063DF9, # J 0x8018F7E4
0x240A0000, # ADDIU T2, R0, 0x0000
0x3C088039, # LUI T0, 0x8039
0x91089BFA, # LBU T0, 0x9BFA (T0)
0x31080002, # ANDI T0, T0, 0x0002
0x51090001, # BEQL T0, T1, [forward 0x01]
0x254A0001, # ADDIU T2, T2, 0x0001
0x24080003, # ADDIU T0, R0, 0x0003
0x51180001, # BEQL T0, T8, [forward 0x01]
0x254A0001, # ADDIU T2, T2, 0x0001
0x240B0002, # ADDIU T3, R0, 0x0002
0x114B0002, # BEQ T2, T3, [forward 0x02]
0x00000000, # NOP
0x08063DFD, # J 0x8018F7F4
0x00000000, # NOP
0x08063DF9 # J 0x8018F7E4
]
dracula_door_text_redirector = [
# Switches the standard pointer to the map text with one to a custom message for Dracula's chamber door if the
# current scene is Castle Keep exterior (Scene 0x14).
0x3C088039, # LUI T0, 0x8039
0x91089EE1, # LBU T0, 0x9EE1 (T0)
0x24090014, # ADDIU T1, R0, 0x0014
0x15090006, # BNE T0, T1, [forward 0x06]
0x3C088014, # LUI T0, 0x8014
0x2508B9F4, # ADDIU T0, T0, 0xB9F4
0x151F0003, # BNE T0, RA, [forward 0x03]
0x00000000, # NOP
0x3C028040, # LUI V0, 0x8040
0x2442CC48, # ADDIU V0, V0, 0xCC48
0x03E00008 # JR RA
]
coffin_time_checker = [
# When entering the Villa coffin, this will check to see whether it's day or night and send you to either the Tunnel
# or Underground Waterway level slot accordingly regardless of which character you are
0x28490006, # SLTI T1, V0, 0x0006
0x15200005, # BNEZ T1, [forward 0x05]
0x28490012, # SLTI T1, V0, 0x0012
0x11200003, # BEQZ T1, [forward 0x03]
0x00000000, # NOP
0x08055AEB, # J 0x80156BAC
0x00000000, # NOP
0x08055AED # J 0x80156BB4
]
werebull_flag_unsetter = [
# This will un-set Were-bull's defeat flag in Duel Tower after beating him so that the check above his arena can
# still be acquired later, if it hasn't been acquired already. This is the only check in the entire game that can be
# permanently missed even with the ability to return to levels.
0x3C0E0400, # LUI T6, 0x0400
0x15CF0006, # BNE T6, T7, [forward 0x06]
0x00187402, # SRL T6, T8, 16
0x31CE2000, # ANDI T6, T6, 0x2000
0x15C00003, # BNEZ T6, [forward 0x03]
0x3C0E0020, # LUI T6, 0x0020
0x014E5025, # OR T2, T2, T6
0xAC4A613C, # SW T2, 0x613C (V0)
0x03200008 # JR T9
]
werebull_flag_unsetter_special2_electric_boogaloo = [
# Like werebull_flag_unsetter, but with the added feature of awarding a Special2 after determining the player isn't
# trying to beat Were-bull twice! This will be inserted over the former if the goal is set to boss hunt.
0x3C0E0400, # LUI T6, 0x0400
0x15CF0008, # BNE T6, T7, [forward 0x06]
0x00187402, # SRL T6, T8, 16
0x31CE2000, # ANDI T6, T6, 0x2000
0x15C00005, # BNEZ T6, [forward 0x05]
0x3C0E0020, # LUI T6, 0x0020
0x014EC024, # AND T8, T2, T6
0x014E5025, # OR T2, T2, T6
0xAC4A613C, # SW T2, 0x613C (V0)
0x17000003, # BNEZ T8, [forward 0x03]
0x3C188039, # LUI T8, 0x8039
0x240E0005, # ADDIU T6, R0, 0x0005
0xA30E9BDF, # SB T6, 0x9BDF (T8)
0x03200008 # JR T9
]
werebull_flag_pickup_setter = [
# Checks to see if an item being picked up is the one on top of Were-bull's arena. If it is, then it'll check to see
# if our makeshift "Were-bull defeated once" flag and, if it is, set Were-bull's arena flag proper, so it'll
# permanently stay down.
0x3C088038, # LUI T0, 0x8038
0x25083AC8, # ADDIU T0, T0, 0x3AC8
0x15020007, # BNE T0, V0, [forward 0x07]
0x3C082000, # LUI T0, 0x2000
0x15040005, # BNE T0, A0, [forward 0x05]
0x9449612C, # LHU T1, 0x612C (V0)
0x31290020, # ANDI T1, T1, 0x0020
0x11200002, # BEQZ T1, [forward 0x02]
0x3C0A0400, # LUI T2, 0x0400
0x014D6825, # OR T5, T2, T5
0xAC4D612C, # SW T5, 0x612C (V0)
0x03E00008 # JR RA
]
boss_special2_giver = [
# Enables the rewarding of Special2s upon the vanishing of a boss's health bar when defeating it.
# Also sets a flag in the case of the Castle Wall White Dragons' health bar going away. Their defeat flag in vanilla
# is tied to hitting the lever after killing them, so this alternate flag is used to track them for the "All Bosses"
# goal in the event someone kills them and then warps out opting to not be a Konami pachinko champ.
0x3C118035, # LUI S1, 0x8035
0x962DF834, # LHU T5, 0xF834 (S1)
0x240E3F73, # ADDIU T6, R0, 0x3F73
0x15AE0012, # BNE T5, T6, [forward 0x12]
0x3C118039, # LUI S1, 0x8039
0x922D9EE1, # LBU T5, 0x9EE1 (S1)
0x240E0013, # ADDIU T6, R0, 0x0013
0x11AE000E, # BEQ T5, T6, [forward 0x0E]
0x922F9BFA, # LBU T7, 0x9BFA (S1)
0x31EF0001, # ANDI T7, T7, 0x0001
0x15E0000B, # BNEZ T7, [forward 0x0B]
0x240E0002, # ADDIU T6, R0, 0x0002
0x15AE0006, # BNE T5, T6, [forward 0x06]
0x00000000, # NOP
0x862F9BF4, # LH T7, 0x9BF4 (S1)
0x31ED0080, # ANDI T5, T7, 0x0080
0x15A00005, # BNEZ T5, [forward 0x05]
0x35EF0080, # ORI T7, T7, 0x0080
0xA62F9BF4, # SH T7, 0x9BF4 (S1)
0x240D0005, # ADDIU T5, R0, 0x0005
0xA22D9BDF, # SB T5, 0x9BDF (S1)
0xA22D9BE0, # SB T5, 0x9BE0 (S1)
0x03E00008 # JR RA
]
boss_goal_checker = [
# Checks each boss flag to see if every boss with a health meter has been defeated and puts 0x0004 in V0 to
# disallow opening Dracula's door if not all have been.
0x3C0A8039, # LUI T2, 0x8039
0x954B9BF4, # LHU T3, 0x9BF4 (T2)
0x316D0BA0, # ANDI T5, T3, 0x0BA0
0x914B9BFB, # LBU T3, 0x9BFB (T2)
0x000B6182, # SRL T4, T3, 6
0x11800010, # BEQZ T4, [forward 0x10]
0x240C00C0, # ADDIU T4, R0, 0x00C0
0x01AC6821, # ADDU T5, T5, T4
0x914B9BFD, # LBU T3, 0x9BFD (T2)
0x316C0020, # ANDI T4, T3, 0x0020
0x01AC6821, # ADDU T5, T5, T4
0x914B9BFE, # LBU T3, 0x9BFE (T2)
0x316C0010, # ANDI T4, T3, 0x0010
0x01AC6821, # ADDU T5, T5, T4
0x914B9C18, # LBU T3, 0x9C18 (T2)
0x316C0010, # ANDI T4, T3, 0x0010
0x01AC6821, # ADDU T5, T5, T4
0x914B9C1B, # LBU T3, 0x9C1B (T2)
0x000B6102, # SRL T4, T3, 4
0x11800005, # BEQZ T4, [forward 0x05]
0x240C0050, # ADDIU T4, R0, 0x0050
0x01AC6821, # ADDU T5, T5, T4
0x240E0CF0, # ADDIU T6, R0, 0x0CF0
0x55CD0001, # BNEL T6, T5, [forward 0x01]
0x24020004, # ADDIU V0, R0, 0x0004
0x03E00008 # JR RA
]
special_goal_checker = [
# Checks the Special2 counter to see if the specified threshold has been reached and puts 0x0001 in V0 to disallow
# opening Dracula's door if it hasn't been.
0x3C0A8039, # LUI T2, 0x8039
0x914B9C4C, # LBU T3, 0x9C4C (T2)
0x296A001E, # SLTI T2, T3, 0x001E
0x55400001, # BNEZL T2, 0x8012AC8C
0x24020001, # ADDIU V0, R0, 0x0001
0x03E00008 # JR RA
]
warp_menu_rewrite = [
# Rewrite to the warp menu code to ensure each option can have its own scene ID, spawn ID, and fade color.
# Start Warp
0x3C0E0000, # LUI T6, 0x0000
0x25CE0000, # ADDIU T6, T6, 0x0000
0x1000001F, # B [forward 0x1F]
0x3C0F8000, # LUI T7, 0x8000
# Warp 1
0x3C0E0000, # LUI T6, 0x0000
0x25CE0000, # ADDIU T6, T6, 0x0000
0x1000001B, # B [forward 0x1B]
0x3C0F8040, # LUI T7, 0x8040
# Warp 2
0x3C0E0000, # LUI T6, 0x0000
0x25CE0000, # ADDIU T6, T6, 0x0000
0x10000017, # B [forward 0x17]
0x3C0F8080, # LUI T7, 0x8080
# Warp 3
0x3C0E0000, # LUI T6, 0x0000
0x25CE0000, # ADDIU T6, T6, 0x0000
0x10000013, # B [forward 0x13]
0x3C0F0080, # LUI T7, 0x0080
# Warp 4
0x3C0E0000, # LUI T6, 0x0000
0x25CE0000, # ADDIU T6, T6, 0x0000
0x3C0F0080, # LUI T7, 0x0080
0x1000000E, # B [forward 0x0E]
0x25EF8000, # ADDIU T7, T7, 0x8000
# Warp 5
0x3C0E0000, # LUI T6, 0x0000
0x25CE0000, # ADDIU T6, T6, 0x0000
0x1000000A, # B [forward 0x0A]
0x340F8000, # ORI T7, R0, 0x8000
# Warp 6
0x3C0E0000, # LUI T6, 0x0000
0x25CE0000, # ADDIU T6, T6, 0x0000
0x3C0F8000, # LUI T7, 0x8000
0x10000005, # B [forward 0x05]
0x35EF8000, # ORI T7, T7, 0x8000
# Warp 7
0x3C0E0000, # LUI T6, 0x0000
0x25CE0000, # ADDIU T6, T6, 0x0000
0x3C0F8040, # LUI T7, 0x8040
0x35EF8000, # ORI T7, T7, 0x8000
# Warp Crypt
0x3C18800D, # LUI T8, 0x800D
0x97185E20, # LHU T8, 0x5E20 (T8)
0x24192000, # ADDIU T9, R0, 0x2000
0x17190009, # BNE T8, T9, [forward 0x09]
0x3C088039, # LUI T0, 0x8039
0x91089C1C, # LBU T0, 0x9C1C (T0)
0x31080001, # ANDI T0, T0, 0x0001
0x1100000F, # BEQZ T0, [forward 0x0F]
0x00000000, # NOP
0x3C0E001A, # LUI T6, 0x001A
0x25CE0003, # ADDIU T6, T6, 0x0003
0x1000000B, # B [forward 0x0B]
0x240F0000, # ADDIU T7, R0, 0x0000
# Warp Elevator
0x24190010, # ADDIU T9, R0, 0x0010
0x17190008, # BNE T8, T9, [forward 0x08]
0x91089C1C, # LBU T0, 0x9C1C (T0)
0x31080002, # ANDI T0, T0, 0x0002
0x11000005, # BEQZ T0, [forward 0x05]
0x00000000, # NOP
0x3C0E000F, # LUI T6, 0x000F
0x25CE0001, # ADDIU T6, T6, 0x0001
0x3C0F8080, # LUI T7, 0x8080
0x35EF8000, # ORI T7, T7, 0x8000
# All
0xAC6E6428, # SW T6, 0x6428 (V1)
0xAC6F642C, # SW T7, 0x642C (V1)
0x2402001E, # ADDIU V0, R0, 0x001E
0xA4626430, # SH V0, 0x6430 (V1)
0xA4626432, # SH V0, 0x6432 (V1)
]
warp_pointer_table = [
# Changed pointer table addresses to go with the warp menu rewrite
0x8012AD74,
0x8012AD84,
0x8012AD94,
0x8012ADA4,
0x8012ADB4,
0x8012ADC8,
0x8012ADD8,
0x8012ADEC,
]
spawn_coordinates_extension = [
# Checks if the 0x10 bit is set in the spawn ID and references the below list of custom spawn coordinates if it is.
0x316A0010, # ANDI T2, T3, 0x0010
0x11400003, # BEQZ T2, [forward 0x03]
0x8CD90008, # LW T9, 0x0008 (A2)
0x3C198040, # LUI T9, 0x8040
0x2739C2CC, # ADDIU T9, T9, 0xC2CC
0x08054A83, # J 0x80152A0C
0x00000000, # NOP
0x00000000, # NOP
# Castle Wall end: 10
# player camera focus point
# x = 0xFFFF 0xFFFF 0xFFFF
# y = 0x0003 0x0012 0x000D
# z = 0xFFF3 0xEDFF 0xFFF3
# r = 0xC000
0x0000FFFF,
0x0003FFF3,
0xC000FFFF,
0x0012FFED,
0xFFFF000D,
0xFFF30000,
# Tunnel end: 11
# player camera focus point
# x = 0x0088 0x0087 0x0088
# y = 0x01D6 0x01F1 0x01E5
# z = 0xF803 0xF7D2 0xF803
# r = 0xC000
0x008801D6,
0xF803C000,
0x008701F1,
0xF7D20088,
0x01E5F803,
# Tower of Execution end: 12
# player camera focus point
# x = 0x00AC 0x00EC 0x00AC
# y = 0x0154 0x0183 0x0160
# z = 0xFE8F 0xFE8F 0xFE8F
# r = 0x8000
0x000000AC,
0x0154FE8F,
0x800000EC,
0x0183FE8F,
0x00AC0160,
0xFE8F0000,
# Tower of Sorcery end: 13
# player camera focus point
# x = 0xFEB0 0xFE60 0xFEB0
# y = 0x0348 0x036D 0x0358
# z = 0xFEFB 0xFEFB 0xFEFB
# r = 0x0000
0xFEB00348,
0xFEFB0000,
0xFE60036D,
0xFEFBFEB0,
0x0358FEFB,
# Room of Clocks end: 14
# player camera focus point
# x = 0x01B1 0x01BE 0x01B1
# y = 0x0006 0x001B 0x0015
# z = 0xFFCD 0xFFCD 0xFFCD
# r = 0x8000
0x000001B1,
0x0006FFCD,
0x800001BE,
0x001BFFCD,
0x01B10015,
0xFFCD0000,
# Duel Tower savepoint: 15
# player camera focus point
# x = 0x00B9 0x00B9 0x00B9
# y = 0x012B 0x0150 0x0138
# z = 0xFE20 0xFE92 0xFE20
# r = 0xC000
0x00B9012B,
0xFE20C000,
0x00B90150,
0xFE9200B9,
0x0138FE20
]
waterway_end_coordinates = [
# Underground Waterway end: 01
# player camera focus point
# x = 0x0397 0x03A1 0x0397
# y = 0xFFC4 0xFFDC 0xFFD3
# z = 0xFDB9 0xFDB8 0xFDB9
# r = 0x8000
0x00000397,
0xFFC4FDB9,
0x800003A1,
0xFFDCFDB8,
0x0397FFD3,
0xFDB90000
]
continue_cursor_start_checker = [
# This is used to improve the Game Over screen's "Continue" menu by starting the cursor on whichever checkpoint
# is most recent instead of always on "Previously saved". If a menu has a cursor start value of 0xFF in its text
# data, this will read the byte at 0x80389BC0 to determine which option to start the cursor on.
0x8208001C, # LB T0, 0x001C(S0)
0x05010003, # BGEZ T0, [forward 0x03]
0x3C098039, # LUI T1, 0x8039
0x81289BC0, # LB T0, 0x9BC0 (T1)
0xA208001C, # SB T0, 0x001C (S0)
0x03E00008 # JR RA
]
savepoint_cursor_updater = [
# Sets the value at 0x80389BC0 to 0x00 after saving to let the Game Over screen's "Continue" menu know to start the
# cursor on "Previously saved" as well as updates the entrance variable for B warping. It then jumps to
# deathlink_counter_decrementer in the event we're loading a save from the Game Over screen.
0x3C088039, # LUI T0, 0x8039
0x91099C95, # LBU T1, 0x9C95 (T0)
0x000948C0, # SLL T1, T1, 3
0x3C0A8018, # LUI T2, 0x8018
0x01495021, # ADDU T2, T2, T1
0x914B17CF, # LBU T3, 0x17CF (T2)
0xA10B9EE3, # SB T3, 0x9EE3 (T0)
0xA1009BC0, # SB R0, 0x9BC0 (T0)
0x080FF8F0 # J 0x803FE3C0
]
stage_start_cursor_updater = [
# Sets the value at 0x80389BC0 to 0x01 after entering a stage to let the Game Over screen's "Continue" menu know to
# start the cursor on "Restart this stage".
0x3C088039, # LUI T0, 0x8039
0x24090001, # ADDIU T1, R0, 0x0001
0xA1099BC0, # SB T1, 0x9BC0 (T0)
0x03E00008 # JR RA
]
elevator_flag_checker = [
# Prevents the top elevator in Castle Center from activating if the bottom elevator switch is not turned on.
0x3C088039, # LUI T0, 0x8039
0x91089C07, # LBU T0, 0x9C07 (T0)
0x31080002, # ANDI T0, T0, 0x0002
0x15000002, # BNEZ T0, [forward 0x02]
0x848E004C, # LH T6, 0x004C (A0)
0x240E0000, # ADDIU T6, R0, 0x0000
0x03E00008 # JR RA
]
crystal_special2_giver = [
# Gives a Special2 upon activating the big crystal in CC basement.
0x3C098039, # LUI T1, 0x8039
0x24190005, # ADDIU T9, R0, 0x0005
0xA1399BDF, # SB T9, 0x9BDF (T1)
0x03E00008, # JR RA
0x3C198000 # LUI T9, 0x8000
]
boss_save_stopper = [
# Prevents usage of a White Jewel if in a boss fight. Important for the lizard-man trio in Waterway as escaping
# their fight by saving/reloading can render a Special2 permanently missable.
0x24080001, # ADDIU T0, R0, 0x0001
0x15030005, # BNE T0, V1, [forward 0x05]
0x3C088035, # LUI T0, 0x8035
0x9108F7D8, # LBU T0, 0xF7D8 (T0)
0x24090020, # ADDIU T1, R0, 0x0020
0x51090001, # BEQL T0, T1, [forward 0x01]
0x24020000, # ADDIU V0, R0, 0x0000
0x03E00008 # JR RA
]
music_modifier = [
# Uses the ID of a song about to be played to pull a switcheroo by grabbing a new ID from a custom table to play
# instead. A hacky way to circumvent song IDs in the compressed overlays' "play song" function calls, but it works!
0xAFBF001C, # SW RA, 0x001C (SP)
0x0C004A6B, # JAL 0x800129AC
0x44800000, # MTC1 R0, F0
0x10400003, # BEQZ V0, [forward 0x03]
0x3C088040, # LUI T0, 0x8040
0x01044821, # ADDU T1, T0, A0
0x9124CD20, # LBU A0, 0xCD20 (T1)
0x08004E64 # J 0x80013990
]
music_comparer_modifier = [
# The same as music_modifier, but for the function that compares the "song to play" ID with the one that's currently
# playing. This will ensure the randomized music doesn't reset when going through a loading zone in Villa or CC.
0x3C088040, # LUI T0, 0x8040
0x01044821, # ADDU T1, T0, A0
0x9124CD20, # LBU A0, 0xCD20 (T1)
0x08004A60, # J 0x80012980
]
item_customizer = [
# Allows changing an item's appearance settings and visibility independent of what it actually is as well as setting
# its bitflag literally anywhere in the save file by changing things in the item actor's data as it's being created
# for the below three functions to then utilize.
0x03205825, # OR T3, T9, R0
0x000B5A02, # SRL T3, T3, 8
0x316C0080, # ANDI T4, T3, 0x0080
0xA0CC0041, # SB T4, 0x0041 (A2)
0x016C5823, # SUBU T3, T3, T4
0xA0CB0040, # SB T3, 0x0040 (A2)
0x333900FF, # ANDI T9, T9, 0x00FF
0xA4D90038, # SH T9, 0x0038 (A2)
0x8CCD0058, # LW T5, 0x0058 (A2)
0x31ACFF00, # ANDI T4, T5, 0xFF00
0x340EFF00, # ORI T6, R0, 0xFF00
0x158E000A, # BNE T4, T6, [forward 0x0A]
0x31AC00FF, # ANDI T4, T5, 0x00FF
0x240E0002, # ADDIU T6, R0, 0x0002
0x018E001B, # DIVU T4, T6
0x00006010, # MFHI T4
0x000D5C02, # SRL T3, T5, 16
0x51800001, # BEQZL T4, [forward 0x01]
0x000B5C00, # SLL T3, T3, 16
0x00006012, # MFLO T4
0xA0CC0055, # SB T4, 0x0055 (A2)
0xACCB0058, # SW T3, 0x0058 (A2)
0x080494E5, # J 0x80125394
0x032A0019 # MULTU T9, T2
]
item_appearance_switcher = [
# Determines an item's model appearance by checking to see if a different item appearance ID was written in a
# specific spot in the actor's data; if one wasn't, then the appearance value will be grabbed from the item's entry
# in the item property table like normal instead.
0x92080040, # LBU T0, 0x0040 (S0)
0x55000001, # BNEZL T0, T1, [forward 0x01]
0x01002025, # OR A0, T0, R0
0x03E00008, # JR RA
0xAFA70024 # SW A3, 0x0024 (SP)
]
item_model_visibility_switcher = [
# If 80 is written one byte ahead of the appearance switch value in the item's actor data, parse 0C00 to the
# function that checks if an item should be invisible or not. Otherwise, grab that setting from the item property
# table like normal.
0x920B0041, # LBU T3, 0x0041 (S0)
0x316E0080, # ANDI T6, T3, 0x0080
0x11C00003, # BEQZ T6, [forward 0x03]
0x240D0C00, # ADDIU T5, R0, 0x0C00
0x03E00008, # JR RA
0x00000000, # NOP
0x03E00008, # JR RA
0x958D0004 # LHU T5, 0x0004 (T4)
]
item_shine_visibility_switcher = [
# Same as the above, but for item shines instead of the model.
0x920B0041, # LBU T3, 0x0041 (S0)
0x31690080, # ANDI T1, T3, 0x0080
0x11200003, # BEQZ T1, [forward 0x03]
0x00000000, # NOP
0x03E00008, # JR RA
0x240C0C00, # ADDIU T4, R0, 0x0C00
0x03E00008, # JR RA
0x958CA908 # LHU T4, 0xA908 (T4)
]
three_hit_item_flags_setter = [
# As the function to create items from the 3HB item lists iterates through said item lists, this will pass unique
# flag values to each item when calling the "create item instance" function by right-shifting said flag by a number
# of bits depending on which item in the list it is. Unlike the vanilla game which always puts flags of 0x00000000
# on each of these.
0x8DC80008, # LW T0, 0x0008 (T6)
0x240A0000, # ADDIU T2, R0, 0x0000
0x00084C02, # SRL T1, T0, 16
0x3108FFFF, # ANDI T0, T0, 0xFFFF
0x00094842, # SRL T1, T1, 1
0x15200003, # BNEZ T1, [forward 0x03]
0x00000000, # NOP
0x34098000, # ORI T1, R0, 0x8000
0x25080001, # ADDIU T0, T0, 0x0001
0x0154582A, # SLT T3, T2, S4
0x1560FFF9, # BNEZ T3, [backward 0x07]
0x254A0001, # ADDIU T2, T2, 0x0001
0x00094C00, # SLL T1, T1, 16
0x01094025, # OR T0, T0, T1
0x0805971E, # J 0x80165C78
0xAFA80010 # SW T0, 0x0010 (SP)
]
chandelier_item_flags_setter = [
# Same as the above, but for the unique function made specifically and ONLY for the Villa foyer chandelier's item
# list. KCEK, why the heck did you have to do this!?
0x8F280014, # LW T0, 0x0014 (T9)
0x240A0000, # ADDIU T2, R0, 0x0000
0x00084C02, # SRL T1, T0, 16
0x3108FFFF, # ANDI T0, T0, 0xFFFF
0x00094842, # SRL T1, T1, 1
0x15200003, # BNEZ T1, [forward 0x03]
0x00000000, # NOP
0x34098000, # ORI T1, R0, 0x8000
0x25080001, # ADDIU T0, T0, 0x0001
0x0155582A, # SLT T3, T2, S5
0x1560FFF9, # BNEZ T3, [backward 0x07]
0x254A0001, # ADDIU T2, T2, 0x0001
0x00094C00, # SLL T1, T1, 16
0x01094025, # OR T0, T0, T1
0x0805971E, # J 0x80165C78
0xAFA80010 # SW T0, 0x0010 (SP)
]
prev_subweapon_spawn_checker = [
# When picking up a sub-weapon this will check to see if it's different from the one the player already had (if they
# did have one) and jump to prev_subweapon_dropper, which will spawn a subweapon actor of what they had before
# directly behind them.
0x322F3031, # Previous sub-weapon bytes
0x10A00009, # BEQZ A1, [forward 0x09]
0x00000000, # NOP
0x10AD0007, # BEQ A1, T5, [forward 0x07]
0x3C088040, # LUI T0, 0x8040
0x01054021, # ADDU T0, T0, A1
0x0C0FF418, # JAL 0x803FD060
0x9104CFC3, # LBU A0, 0xCFC3 (T0)
0x2484FF9C, # ADDIU A0, A0, 0xFF9C
0x3C088039, # LUI T0, 0x8039
0xAD049BD4, # SW A0, 0x9BD4 (T0)
0x0804F0BF, # J 0x8013C2FC
0x24020001 # ADDIU V0, R0, 0x0001
]
prev_subweapon_fall_checker = [
# Checks to see if a pointer to a previous sub-weapon drop actor spawned by prev_subweapon_dropper is in 80389BD4
# and calls the function in prev_subweapon_dropper to lower the weapon closer to the ground on the next frame if a
# pointer exists and its actor ID is 0x0027. Once it hits the ground or despawns, the connection to the actor will
# be severed by 0-ing out the pointer.
0x3C088039, # LUI T0, 0x8039
0x8D049BD4, # LW A0, 0x9BD4 (T0)
0x10800008, # BEQZ A0, [forward 0x08]
0x00000000, # NOP
0x84890000, # LH T1, 0x0000 (A0)
0x240A0027, # ADDIU T2, R0, 0x0027
0x152A0004, # BNE T1, T2, [forward 0x04]
0x00000000, # NOP
0x0C0FF452, # JAL 0x803FD148
0x00000000, # NOP
0x50400001, # BEQZL V0, [forward 0x01]
0xAD009BD4, # SW R0, 0x9BD4 (T0)
0x080FF40F # J 0x803FD03C
]
prev_subweapon_dropper = [
# Spawns a pickup actor of the sub-weapon the player had before picking up a new one behind them at their current
# position like in other CVs. This will enable them to pick it back up again if they still want it.
# Courtesy of Moisés; see derp.c in the src folder for the C source code.
0x27BDFFC8,
0xAFBF001C,
0xAFA40038,
0xAFB00018,
0x0C0006B4,
0x2404016C,
0x00402025,
0x0C000660,
0x24050027,
0x1040002B,
0x00408025,
0x3C048035,
0x848409DE,
0x00042023,
0x0C0230D4,
0x3084FFFF,
0x44822000,
0x3C018040,
0xC428D370,
0x468021A0,
0x3C048035,
0x848409DE,
0x00042023,
0x46083282,
0x3084FFFF,
0x0C01FFAC,
0xE7AA0024,
0x44828000,
0x3C018040,
0xC424D374,
0x468084A0,
0x27A40024,
0x00802825,
0x3C064100,
0x46049182,
0x0C004562,
0xE7A6002C,
0x3C058035,
0x24A509D0,
0x26040064,
0x0C004530,
0x27A60024,
0x3C018035,
0xC42809D4,
0x3C0140A0,
0x44815000,
0x00000000,
0x460A4400,
0xE6100068,
0xC6120068,
0xE6120034,
0x8FAE0038,
0xA60E0038,
0x8FBF001C,
0x8FB00018,
0x27BD0038,
0x03E00008,
0x00000000,
0x3C068040,
0x24C6D368,
0x90CE0000,
0x27BDFFE8,
0xAFBF0014,
0x15C00027,
0x00802825,
0x240400DB,
0x0C0006B4,
0xAFA50018,
0x44802000,
0x3C038040,
0x2463D364,
0x3C068040,
0x24C6D368,
0x8FA50018,
0x1040000A,
0xE4640000,
0x8C4F0024,
0x3C013F80,
0x44814000,
0xC5E60044,
0xC4700000,
0x3C018040,
0x46083280,
0x460A8480,
0xE432D364,
0x94A20038,
0x2401000F,
0x24180001,
0x10410006,
0x24010010,
0x10410004,
0x2401002F,
0x10410002,
0x24010030,
0x14410005,
0x3C014040,
0x44813000,
0xC4640000,
0x46062200,
0xE4680000,
0xA0D80000,
0x10000023,
0x24020001,
0x3C038040,
0x2463D364,
0xC4600000,
0xC4A20068,
0x3C038039,
0x24639BD0,
0x4600103E,
0x00001025,
0x45000006,
0x00000000,
0x44808000,
0xE4A00068,
0xA0C00000,
0x10000014,
0xE4700000,
0x3C038039,
0x24639BD0,
0x3C018019,
0xC42AC870,
0xC4600000,
0x460A003C,
0x00000000,
0x45000006,
0x3C018019,
0xC432C878,
0x46120100,
0xE4640000,
0xC4600000,
0xC4A20068,
0x46001181,
0x24020001,
0xE4A60068,
0xC4A80068,
0xE4A80034,
0x8FBF0014,
0x27BD0018,
0x03E00008,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x0000001B,
0x060048E0,
0x40000000,
0x06AEFFD3,
0x06004B30,
0x40000000,
0x00000000,
0x06004CB8,
0x0000031A,
0x002C0000,
0x060059B8,
0x40000248,
0xFFB50186,
0x06005B68,
0xC00001DF,
0x00000000,
0x06005C88,
0x80000149,
0x00000000,
0x06005DC0,
0xC0000248,
0xFFB5FE7B,
0x06005F70,
0xC00001E0,
0x00000000,
0x06006090,
0x8000014A,
0x00000000,
0x06007D28,
0x4000010E,
0xFFF100A5,
0x06007F60,
0xC0000275,
0x00000000,
0x06008208,
0x800002B2,
0x00000000,
0x060083B0,
0xC000010D,
0xFFF2FF5C,
0x060085E8,
0xC0000275,
0x00000000,
0x06008890,
0x800002B2,
0x00000000,
0x3D4CCCCD,
0x3FC00000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0xB8000100,
0xB8000100,
]
subweapon_surface_checker = [
# During the process of remotely giving an item received via multiworld, this will check to see if the item being
# received is a subweapon and, if it is, wait until the player is not above an abyss or instant kill surface before
# giving it. This is to ensure dropped previous subweapons won't land somewhere inaccessible.
0x2408000D, # ADDIU T0, R0, 0x000D
0x11040006, # BEQ T0, A0, [forward 0x06]
0x2409000E, # ADDIU T1, R0, 0x000E
0x11240004, # BEQ T1, A0, [forward 0x04]
0x2408000F, # ADDIU T0, R0, 0x000F
0x11040002, # BEQ T0, A0, [forward 0x02]
0x24090010, # ADDIU T1, R0, 0x0010
0x1524000B, # BNE T1, A0, [forward 0x0B]
0x3C0A800D, # LUI T2, 0x800D
0x8D4A7B5C, # LW T2, 0x7B5C (T2)
0x1140000E, # BEQZ T2, [forward 0x0E]
0x00000000, # NOP
0x914A0001, # LBU T2, 0x0001 (T2)
0x240800A2, # ADDIU T0, R0, 0x00A2
0x110A000A, # BEQ T0, T2, [forward 0x0A]
0x24090092, # ADDIU T1, R0, 0x0092
0x112A0008, # BEQ T1, T2, [forward 0x08]
0x24080080, # ADDIU T0, R0, 0x0080
0x110A0006, # BEQ T0, T2, [forward 0x06]
0x956C00DD, # LHU T4, 0x00DD (T3)
0xA1600000, # SB R0, 0x0000 (T3)
0x258C0001, # ADDIU T4, T4, 0x0001
0x080FF8D0, # J 0x803FE340
0xA56C00DD, # SH T4, 0x00DD (T3)
0x00000000, # NOP
0x03E00008 # JR RA
]
countdown_number_displayer = [
# Displays a number below the HUD clock of however many items are left to find in whichever stage the player is in.
# Which number in the save file to display depends on which map the player is currently on. It can track either
# items marked progression only or all locations in the stage.
# Courtesy of Moisés; see print_text_ovl.c in the src folder for the C source code.
0x27BDFFD8,
0xAFBF0024,
0x00002025,
0x0C000360,
0x2405000C,
0x3C038040,
0x3C198034,
0x2463D6D0,
0x37392814,
0x240E0002,
0x3C0F0860,
0x24180014,
0xAC620000,
0xAFB80018,
0xAFAF0014,
0xAFAE0010,
0xAFB9001C,
0x00002025,
0x00402825,
0x2406001E,
0x0C0FF55D,
0x24070028,
0x8FBF0024,
0x3C018040,
0xAC22D6D4,
0x03E00008,
0x27BD0028,
0x27BDFFE0,
0xAFA40020,
0x93AE0023,
0x3C058039,
0xAFBF001C,
0x3C048040,
0x3C068040,
0x240F0014,
0x00AE2821,
0x90A59CA4,
0xAFAF0010,
0x8CC6D6D0,
0x8C84D6D4,
0x0C0FF58A,
0x24070002,
0x8FBF001C,
0x27BD0020,
0x03E00008,
0x00000000,
0x00000000,
0x00000000,
0x90820000,
0x00001825,
0x50400008,
0xA4A00000,
0xA4A20000,
0x90820001,
0x24840001,
0x24A50002,
0x1440FFFB,
0x24630001,
0xA4A00000,
0x03E00008,
0x00601025,
0x27BDFFD8,
0xAFBF0024,
0xAFB0001C,
0xAFA40028,
0xAFA5002C,
0xAFB10020,
0xAFA60030,
0xAFA70034,
0x00008025,
0x24050064,
0x0C000360,
0x00002025,
0x8FA40040,
0x00408825,
0x3C05800A,
0x10800004,
0x8FA6003C,
0x0C04B2E2,
0x8CA5B450,
0x00408025,
0x5200001A,
0x8FBF0024,
0x12200017,
0x8FAE0028,
0x11C00015,
0x02002025,
0x97A5002E,
0x97A60032,
0x0C04B33F,
0x24070001,
0x02002025,
0x83A50037,
0x87A6003A,
0x00003825,
0x0C04B345,
0xAFA00010,
0x8FA40028,
0x0C0FF51C,
0x02202825,
0x0C006CF0,
0x02202025,
0x02002025,
0x02202825,
0x00003025,
0x0C04B34E,
0x00003825,
0x8FBF0024,
0x02001025,
0x8FB0001C,
0x8FB10020,
0x03E00008,
0x27BD0028,
0x27BDFFD8,
0x8FAE0044,
0xAFB00020,
0xAFBF0024,
0xAFA40028,
0xAFA5002C,
0xAFA60030,
0xAFA70034,
0x11C00007,
0x00008025,
0x3C05800A,
0x8CA5B450,
0x01C02025,
0x0C04B2E2,
0x8FA6003C,
0x00408025,
0x12000017,
0x8FAF002C,
0x11E00015,
0x02002025,
0x97A50032,
0x97A60036,
0x0C04B33F,
0x24070001,
0x02002025,
0x24050001,
0x24060064,
0x00003825,
0x0C04B345,
0xAFA00010,
0x8FA40028,
0x8FA5002C,
0x93A6003B,
0x0C04B5BD,
0x8FA70040,
0x02002025,
0x8FA5002C,
0x00003025,
0x0C04B34E,
0x00003825,
0x8FBF0024,
0x02001025,
0x8FB00020,
0x03E00008,
0x27BD0028,
0x27BDFFE8,
0xAFBF0014,
0xAFA40018,
0xAFA5001C,
0xAFA60020,
0x10C0000B,
0xAFA70024,
0x00A02025,
0x00C02825,
0x93A60027,
0x0C04B5BD,
0x8FA70028,
0x8FA20018,
0x3C010100,
0x8C4F0000,
0x01E1C025,
0xAC580000,
0x8FBF0014,
0x27BD0018,
0x03E00008,
0x00000000,
0xAFA50004,
0x1080000E,
0x30A500FF,
0x24010001,
0x54A10008,
0x8C980000,
0x8C8E0000,
0x3C017FFF,
0x3421FFFF,
0x01C17824,
0x03E00008,
0xAC8F0000,
0x8C980000,
0x3C018000,
0x0301C825,
0xAC990000,
0x03E00008,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000
]
countdown_number_manager = [
# Tables and code for managing things about the Countdown number at the appropriate times.
0x00010102, # Map ID offset table start
0x02020D03,
0x04050505,
0x0E0E0E05,
0x07090806,
0x0C0C000B,
0x0C050D0A,
0x00000000, # Table end
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000001, # Major identifiers table start
0x01000000,
0x00000000,
0x00000000,
0x01000000,
0x01010000,
0x00010101,
0x01010101,
0x01010101,
0x01010000,
0x00000000, # Table end
# Decrements the counter upon picking up an item if the counter should be decremented.
0x90E80039, # LBU T0, 0x0039 (A3)
0x240B0011, # ADDIU T3, R0, 0x0011
0x110B0002, # BEQ T0, T3, [forward 0x02]
0x90EA0040, # LBU T2, 0x0040 (A3)
0x2548FFFF, # ADDIU T0, T2, 0xFFFF
0x3C098040, # LUI T1, 0x8040
0x01284821, # ADDIU T1, T1, T0
0x9129D71C, # LBU T1, 0xD71C (T1)
0x11200009, # BEQZ T1, [forward 0x09]
0x3C088039, # LUI T0, 0x8039
0x91099EE1, # LBU T1, 0x9EE1 (T0)
0x3C0A8040, # LUI T2, 0x8040
0x01495021, # ADDU T2, T2, T1
0x914AD6DC, # LBU T2, 0xD6DC (T2)
0x010A4021, # ADDU T0, T0, T2
0x91099CA4, # LBU T1, 0x9CA4 (T0)
0x2529FFFF, # ADDIU T1, T1, 0xFFFF
0xA1099CA4, # SB T1, 0x9CA4 (T0)
0x03E00008, # JR RA
0x00000000, # NOP
# Moves the number to/from its pause menu position when pausing/un-pausing.
0x3C088040, # LUI T0, 0x8040
0x8D08D6D4, # LW T0, 0xD6D4
0x11000009, # BEQZ T0, [forward 0x09]
0x92090000, # LBU T1, 0x0000 (S0)
0x14200004, # BNEZ AT, [forward 0x04]
0x3C0A0033, # LUI T2, 0x0033
0x254A001F, # ADDIU T2, T2, 0x001F
0x03E00008, # JR RA
0xAD0A0014, # SW T2, 0x0014 (T0)
0x3C0A00D4, # LUI T2, 0x00D4
0x254A003C, # ADDIU T2, T2, 0x003C
0xAD0A0014, # SW T2, 0x0014 (T0)
0x03E00008, # JR RA
0x00000000, # NOP
# Hides the number when going into a cutscene or the Options menu.
0x3C048040, # LUI A0, 0x8040
0x8C84D6D4, # LW A0, 0xD6D4 (A0)
0x0C0FF59F, # JAL 0x803FD67C
0x24050000, # ADDIU A1, R0, 0x0000
0x0804DFE0, # J 0x80137FB0
0x3C048000, # LUI A0, 0x8000
0x00000000, # NOP
# Un-hides the number when leaving a cutscene or the Options menu.
0x3C048040, # LUI A0, 0x8040
0x8C84D6D4, # LW A0, 0xD6D4 (A0)
0x0C0FF59F, # JAL 0x803FD67C
0x24050001, # ADDIU A1, R0, 0x0000
0x0804DFFA, # J 0x8013
0x3C047FFF, # LUI A0, 0x7FFFF
0x00000000, # NOP
# Kills the last map's pointer to the Countdown stuff.
0x3C088040, # LUI T0, 0x8040
0xFD00D6D0, # SD R0, 0xD6D0 (T0)
0x03E00008 # JR RA
]
new_game_extras = [
# Upon starting a new game, this will write anything extra to the save file data that the run should have at the
# start. The initial Countdown numbers begin here.
0x24080000, # ADDIU T0, R0, 0x0000
0x24090010, # ADDIU T1, R0, 0x0010
0x11090008, # BEQ T0, T1, [forward 0x08]
0x3C0A8040, # LUI T2, 0x8040
0x01485021, # ADDU T2, T2, T0
0x8D4AD818, # LW T2, 0xD818 (T2)
0x3C0B8039, # LUI T3, 0x8039
0x01685821, # ADDU T3, T3, T0
0xAD6A9CA4, # SW T2, 0x9CA4 (T3)
0x1000FFF8, # B [backward 0x08]
0x25080004, # ADDIU T0, T0, 0x0004
# start_inventory begins here
0x3C088039, # LUI T0, 0x8039
0x91099C27, # LBU T1, 0x9C27 (T0)
0x31290010, # ANDI T1, T1, 0x0010
0x15200005, # BNEZ T1, [forward 0x05]
0x24090000, # ADDIU T1, R0, 0x0000 <- Starting jewels
0xA1099C49, # SB T1, 0x9C49
0x3C0A8040, # LUI T2, 0x8040
0x8D4BE514, # LW T3, 0xE514 (T2) <- Starting money
0xAD0B9C44, # SW T3, 0x9C44 (T0)
0x24090000, # ADDIU T1, R0, 0x0000 <- Starting PowerUps
0xA1099CED, # SB T1, 0x9CED (T0)
0x24090000, # ADDIU T1, R0, 0x0000 <- Starting sub-weapon
0xA1099C43, # SB T1, 0x9C43 (T0)
0x24090000, # ADDIU T1, R0, 0x0000 <- Starting Ice Traps
0xA1099BE2, # SB T1, 0x9BE2 (T0)
0x240C0000, # ADDIU T4, R0, 0x0000
0x240D0022, # ADDIU T5, R0, 0x0022
0x11AC0007, # BEQ T5, T4, [forward 0x07]
0x3C0A8040, # LUI T2, 0x8040
0x014C5021, # ADDU T2, T2, T4
0x814AE518, # LB T2, 0xE518 <- Starting inventory items
0x25080001, # ADDIU T0, T0, 0x0001
0xA10A9C4A, # SB T2, 0x9C4A (T0)
0x1000FFF9, # B [backward 0x07]
0x258C0001, # ADDIU T4, T4, 0x0001
0x03E00008 # JR RA
]
shopsanity_stuff = [
# Everything related to shopsanity.
# Flag table (in bytes) start
0x80402010,
0x08000000,
0x00000000,
0x00000000,
0x00040200,
# Replacement item table (in halfwords) start
0x00030003,
0x00030003,
0x00030000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000003,
0x00030000,
# Switches the vanilla item being bought with the randomized one, if its flag is un-set, and sets its flag.
0x3C088040, # LUI T0, 0x8040
0x01044021, # ADDU T0, T0, A0
0x9109D8CA, # LBU T1, 0xD8CA (T0)
0x3C0B8039, # LUI T3, 0x8039
0x916A9C1D, # LBU T2, 0x9C1D (T3)
0x01496024, # AND T4, T2, T1
0x15800005, # BNEZ T4, [forward 0x05]
0x01495025, # OR T2, T2, T1
0xA16A9C1D, # SB T2, 0x9C1D (T3)
0x01044021, # ADDU T0, T0, A0
0x9504D8D8, # LHU A0, 0xD8D8 (T0)
0x308400FF, # ANDI A0, A0, 0x00FF
0x0804EFFB, # J 0x8013BFEC
0x00000000, # NOP
# Switches the vanilla item model on the buy menu with the randomized item if the randomized item isn't purchased.
0x3C088040, # LUI T0, 0x8040
0x01044021, # ADDU T0, T0, A0
0x9109D8CA, # LBU T1, 0xD8CA (T0)
0x3C0B8039, # LUI T3, 0x8039
0x916A9C1D, # LBU T2, 0x9C1D (T3)
0x01495024, # AND T2, T2, T1
0x15400005, # BNEZ T2, [forward 0x05]
0x01044021, # ADDU T0, T0, A0
0x9504D8D8, # LHU A0, 0xD8D8 (T0)
0x00046202, # SRL T4, A0, 8
0x55800001, # BNEZL T4, [forward 0x01]
0x01802021, # ADDU A0, T4, R0
0x0804F180, # J 0x8013C600
0x00000000, # NOP
# Replacement item names table start.
0x00010203,
0x04000000,
0x00000000,
0x00000000,
0x00050600,
0x00000000,
# Switches the vanilla item name in the shop menu with the randomized item if the randomized item isn't purchased.
0x3C088040, # LUI T0, 0x8040
0x01064021, # ADDU T0, T0, A2
0x9109D8CA, # LBU T1, 0xD8CA (T0)
0x3C0B8039, # LUI T3, 0x8039
0x916A9C1D, # LBU T2, 0x9C1D (T3)
0x01495024, # AND T2, T2, T1
0x15400004, # BNEZ T2, [forward 0x04]
0x00000000, # NOP
0x9105D976, # LBU A1, 0xD976 (T0)
0x3C048001, # LUI A0, 8001
0x3484A100, # ORI A0, A0, 0xA100
0x0804B39F, # J 0x8012CE7C
0x00000000, # NOP
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
# Displays "Not purchased." if the selected randomized item is nor purchased, or the current holding amount of that
# slot's vanilla item if it is.
0x3C0C8040, # LUI T4, 0x8040
0x018B6021, # ADDU T4, T4, T3
0x918DD8CA, # LBU T5, 0xD8CA (T4)
0x3C0E8039, # LUI T6, 0x8039
0x91D89C1D, # LBU T8, 0x9C1D (T6)
0x030DC024, # AND T8, T8, T5
0x13000003, # BEQZ T8, [forward 0x03]
0x00000000, # NOP
0x0804E819, # J 0x8013A064
0x00000000, # NOP
0x0804E852, # J 0x8013A148
0x820F0061, # LB T7, 0x0061 (S0)
0x00000000, # NOP
# Displays a custom item description if the selected randomized item is not purchased.
0x3C088040, # LUI T0, 0x8040
0x01054021, # ADDU T0, T0, A1
0x9109D8D0, # LBU T1, 0xD8D0 (T0)
0x3C0A8039, # LUI T2, 0x8039
0x914B9C1D, # LBU T3, 0x9C1D (T2)
0x01695824, # AND T3, T3, T1
0x15600003, # BNEZ T3, [forward 0x03]
0x00000000, # NOP
0x3C048002, # LUI A0, 0x8002
0x24849C00, # ADDIU A0, A0, 0x9C00
0x0804B39F # J 0x8012CE7C
]
special_sound_notifs = [
# Plays a distinct sound whenever you get enough Special1s to unlock a new location or enough Special2s to unlock
# Dracula's door.
0x3C088013, # LUI A0, 0x8013
0x9108AC9F, # LBU T0, 0xAC57 (T0)
0x3C098039, # LUI T1, 0x8039
0x91299C4C, # LBU T1, 0x9C4B (T1)
0x15090003, # BNE T0, T1, [forward 0x03]
0x00000000, # NOP
0x0C004FAB, # JAL 0x80013EAC
0x24040162, # ADDIU A0, R0, 0x0162
0x0804F0BF, # J 0x8013C2FC
0x00000000, # NOP
0x3C088013, # LUI T0, 0x8013
0x9108AC57, # LBU T0, 0xAC57 (T0)
0x3C098039, # LUI T1, 0x8039
0x91299C4B, # LBU T1, 0x9C4B (T1)
0x0128001B, # DIVU T1, T0
0x00005010, # MFHI
0x15400006, # BNEZ T2, [forward 0x06]
0x00005812, # MFLO T3
0x296C0008, # SLTI T4, T3, 0x0008
0x11800003, # BEQZ T4, [forward 0x03]
0x00000000, # NOP
0x0C004FAB, # JAL 0x80013EAC
0x2404019E, # ADDIU A0, R0, 0x019E
0x0804F0BF # J 0x8013C2FC
]
map_text_redirector = [
# Checks for Map Texts 06 or 08 if in the Forest or Castle Wall Main maps respectively and redirects the text
# pointer to a blank string, skipping all the yes/no prompt text for pulling levers.
0x0002FFFF, # Dummy text string
0x3C0B8039, # LUI T3, 0x8039
0x91689EE1, # LBU T0, 0x9EE1 (T3)
0x1100000F, # BEQZ T0, [forward 0x0F]
0x24090006, # ADDIU T1, R0, 0x0006
0x240A0002, # ADDIU T2, R0, 0x0002
0x110A000C, # BEQ T0, T2, [forward 0x0C]
0x24090008, # ADDIU T1, R0, 0x0008
0x240A0009, # ADDIU T2, R0, 0x0009
0x110A0009, # BEQ T0, T2, [forward 0x09]
0x24090004, # ADDIU T1, R0, 0x0004
0x240A000A, # ADDIU T2, R0, 0x000A
0x110A0006, # BEQ T0, T2, [forward 0x06]
0x24090001, # ADDIU T1, R0, 0x0001
0x240A000C, # ADDIU T2, R0, 0x000C
0x110A0003, # BEQ T0, T2, [forward 0x03]
0x2409000C, # ADDIU T1, R0, 0x000C
0x10000008, # B 0x803FDB34
0x00000000, # NOP
0x15250006, # BNE T1, A1, [forward 0x06]
0x00000000, # NOP
0x3C04803F, # LUI A0, 0x803F
0x3484DACC, # ORI A0, A0, 0xDACC
0x24050000, # ADDIU A1, R0, 0x0000
0x0804B39F, # J 0x8012CE7C
0x00000000, # NOP
# Redirects to a custom message if you try placing the bomb ingredients at the bottom CC crack before deactivating
# the seal.
0x24090009, # ADDIU T1, R0, 0x0009
0x15090009, # BNE T0, T1, [forward 0x09]
0x240A0002, # ADDIU T2, R0, 0x0002
0x15450007, # BNE T2, A1, [forward 0x07]
0x916A9C18, # LBU T2, 0x9C18 (T3)
0x314A0001, # ANDI T2, T2, 0x0001
0x15400004, # BNEZ T2, [forward 0x04]
0x00000000, # NOP
0x3C04803F, # LUI A0, 0x803F
0x3484DBAC, # ORI A0, A0, 0xDBAC
0x24050000, # ADDIU A1, R0, 0x0000
0x0804B39F, # J 0x8012CE7C
0x00000000, # NOP
# Checks for Map Texts 02 or 00 if in the Villa hallway or CC lizard lab maps respectively and redirects the text
# pointer to a blank string, skipping all the NPC dialogue mandatory for checks.
0x3C088039, # LUI T0, 0x8039
0x91089EE1, # LBU T0, 0x9EE1 (T0)
0x240A0005, # ADDIU T2, R0, 0x0005
0x110A0006, # BEQ T0, T2, [forward 0x06]
0x24090002, # ADDIU T1, R0, 0x0002
0x240A000C, # ADDIU T2, R0, 0x000C
0x110A0003, # BEQ T0, T2, [forward 0x03]
0x24090000, # ADDIU T1, R0, 0x0000
0x0804B39F, # J 0x8012CE7C
0x00000000, # NOP
0x15250004, # BNE T1, A1, [forward 0x04]
0x00000000, # NOP
0x3C04803F, # LUI A0, 0x803F
0x3484DACC, # ORI A0, A0, 0xDACC
0x24050000, # ADDIU A1, R0, 0x0000
0x0804B39F # J 0x8012CE7C
]
special_descriptions_redirector = [
# Redirects the menu description when looking at the Special1 and 2 items to different, custom strings that tell
# how many are needed per warp and to fight Dracula respectively, and how many there are of both in the whole seed.
0x240A0003, # ADDIU T2, R0, 0x0003
0x10AA0005, # BEQ A1, T2, [forward 0x05]
0x240A0004, # ADDIU T2, R0, 0x0004
0x10AA0003, # BEQ A1, T2, [forward 0x03]
0x00000000, # NOP
0x0804B39F, # J 0x8012CE7C
0x00000000, # NOP
0x3C04803F, # LUI A0, 0x803F
0x3484E53C, # ORI A0, A0, 0xE53C
0x24A5FFFD, # ADDIU A1, A1, 0xFFFD
0x0804B39F # J 0x8012CE7C
]
forest_cw_villa_intro_cs_player = [
# Plays the Forest, Castle Wall, or Villa intro cutscene after transitioning to a different map if the map being
# transitioned to is the start of their levels respectively. Gets around the fact that they have to be set on the
# previous loading zone for them to play normally.
0x3C088039, # LUI T0, 0x8039
0x8D099EE0, # LW T1, 0x9EE0 (T0)
0x1120000B, # BEQZ T1 T1, [forward 0x0B]
0x240B0000, # ADDIU T3, R0, 0x0000
0x3C0A0002, # LUI T2, 0x0002
0x112A0008, # BEQ T1, T2, [forward 0x08]
0x240B0007, # ADDIU T3, R0, 0x0007
0x254A0007, # ADDIU T2, T2, 0x0007
0x112A0005, # BEQ T1, T2, [forward 0x05]
0x3C0A0003, # LUI T2, 0x0003
0x112A0003, # BEQ T1, T2, [forward 0x03]
0x240B0003, # ADDIU T3, R0, 0x0003
0x08005FAA, # J 0x80017EA8
0x00000000, # NOP
0x010B6021, # ADDU T4, T0, T3
0x918D9C08, # LBU T5, 0x9C08 (T4)
0x31AF0001, # ANDI T7, T5, 0x0001
0x15E00009, # BNEZ T7, [forward 0x09]
0x240E0009, # ADDIU T6, R0, 0x0009
0x3C180003, # LUI T8, 0x0003
0x57090001, # BNEL T8, T1, [forward 0x01]
0x240E0004, # ADDIU T6, R0, 0x0004
0x15200003, # BNEZ T1, [forward 0x03]
0x240F0001, # ADDIU T7, R0, 0x0001
0xA18F9C08, # SB T7, 0x9C08 (T4)
0x240E003C, # ADDIU T6, R0, 0x003C
0xA10E9EFF, # SB T6, 0x9EFF (T0)
0x08005FAA # J 0x80017EA8
]
map_id_refresher = [
# After transitioning to a different map, if this detects the map ID being transitioned to as FF, it will write back
# the past map ID so that the map will reset. Useful for thngs like getting around a bug wherein the camera fixes in
# place if you enter a loading zone that doesn't actually change the map, which can happen in a seed that gives you
# any character tower stage at the very start.
0x240800FF, # ADDIU T0, R0, 0x00FF
0x110E0003, # BEQ T0, T6, [forward 0x03]
0x00000000, # NOP
0x03E00008, # JR RA
0xA44E61D8, # SH T6, 0x61D8
0x904961D9, # LBU T1, 0x61D9
0xA0496429, # SB T1, 0x6429
0x03E00008 # JR RA
]
character_changer = [
# Changes the character being controlled if the player is holding L while loading into a map by swapping the
# character ID.
0x3C08800D, # LUI T0, 0x800D
0x910B5E21, # LBU T3, 0x5E21 (T0)
0x31680020, # ANDI T0, T3, 0x0020
0x3C0A8039, # LUI T2, 0x8039
0x1100000B, # BEQZ T0, [forward 0x0B]
0x91499C3D, # LBU T1, 0x9C3D (T2)
0x11200005, # BEQZ T1, [forward 0x05]
0x24080000, # ADDIU T0, R0, 0x0000
0xA1489C3D, # SB T0, 0x9C3D (T2)
0x25080001, # ADDIU T0, T0, 0x0001
0xA1489BC2, # SB T0, 0x9BC2 (T2)
0x10000004, # B [forward 0x04]
0x24080001, # ADDIU T0, R0, 0x0001
0xA1489C3D, # SB T0, 0x9C3D (T2)
0x25080001, # ADDIU T0, T0, 0x0001
0xA1489BC2, # SB T0, 0x9BC2 (T2)
# Changes the alternate costume variables if the player is holding C-up.
0x31680008, # ANDI T0, T3, 0x0008
0x11000009, # BEQZ T0, [forward 0x09]
0x91499C24, # LBU T1, 0x9C24 (T2)
0x312B0040, # ANDI T3, T1, 0x0040
0x2528FFC0, # ADDIU T0, T1, 0xFFC0
0x15600003, # BNEZ T3, [forward 0x03]
0x240C0000, # ADDIU T4, R0, 0x0000
0x25280040, # ADDIU T0, T1, 0x0040
0x240C0001, # ADDIU T4, R0, 0x0001
0xA1489C24, # SB T0, 0x9C24 (T2)
0xA14C9CEE, # SB T4, 0x9CEE (T2)
0x080062AA, # J 0x80018AA8
0x00000000, # NOP
# Plays the attack sound of the character being changed into to indicate the change was successful.
0x3C088039, # LUI T0, 0x8039
0x91099BC2, # LBU T1, 0x9BC2 (T0)
0xA1009BC2, # SB R0, 0x9BC2 (T0)
0xA1009BC1, # SB R0, 0x9BC1 (T0)
0x11200006, # BEQZ T1, [forward 0x06]
0x2529FFFF, # ADDIU T1, T1, 0xFFFF
0x240402F6, # ADDIU A0, R0, 0x02F6
0x55200001, # BNEZL T1, [forward 0x01]
0x240402F8, # ADDIU A0, R0, 0x02F8
0x08004FAB, # J 0x80013EAC
0x00000000, # NOP
0x03E00008 # JR RA
]
panther_dash = [
# Changes various movement parameters when holding C-right so the player will move way faster.
# Increases movement speed and speeds up the running animation.
0x3C08800D, # LUI T0, 0x800D
0x91085E21, # LBU T0, 0x5E21 (T0)
0x31080001, # ANDI T0, T0, 0x0001
0x24093FEA, # ADDIU T1, R0, 0x3FEA
0x11000004, # BEQZ T0, [forward 0x04]
0x240B0010, # ADDIU T3, R0, 0x0010
0x3C073F20, # LUI A3, 0x3F20
0x240940AA, # ADDIU T1, R0, 0x40AA
0x240B000A, # ADDIU T3, R0, 0x000A
0x3C0C8035, # LUI T4, 0x8035
0xA18B07AE, # SB T3, 0x07AE (T4)
0xA18B07C2, # SB T3, 0x07C2 (T4)
0x3C0A8034, # LUI T2, 0x8034
0x03200008, # JR T9
0xA5492BD8, # SH T1, 0x2BD8 (T2)
0x00000000, # NOP
# Increases the turning speed so that handling is better.
0x3C08800D, # LUI T0, 0x800D
0x91085E21, # LBU T0, 0x5E21 (T0)
0x31080001, # ANDI T0, T0, 0x0001
0x11000002, # BEQZ T0, [forward 0x02]
0x240A00D9, # ADDIU T2, R0, 0x00D9
0x240A00F0, # ADDIU T2, R0, 0x00F0
0x3C0B8039, # LUI T3, 0x8039
0x916B9C3D, # LBU T3, 0x9C3D (T3)
0x11600003, # BEQZ T3, [forward 0x03]
0xD428DD58, # LDC1 F8, 0xDD58 (AT)
0x03E00008, # JR RA
0xA02ADD59, # SB T2, 0xDD59 (AT)
0xD428D798, # LDC1 F8, 0xD798 (AT)
0x03E00008, # JR RA
0xA02AD799, # SB T2, 0xD799 (AT)
0x00000000, # NOP
# Increases crouch-walking x and z speed.
0x3C08800D, # LUI T0, 0x800D
0x91085E21, # LBU T0, 0x5E21 (T0)
0x31080001, # ANDI T0, T0, 0x0001
0x11000002, # BEQZ T0, [forward 0x02]
0x240A00C5, # ADDIU T2, R0, 0x00C5
0x240A00F8, # ADDIU T2, R0, 0x00F8
0x3C0B8039, # LUI T3, 0x8039
0x916B9C3D, # LBU T3, 0x9C3D (T3)
0x15600005, # BNEZ T3, [forward 0x05]
0x00000000, # NOP
0xA02AD801, # SB T2, 0xD801 (AT)
0xA02AD809, # SB T2, 0xD809 (AT)
0x03E00008, # JR RA
0xD430D800, # LDC1 F16, 0xD800 (AT)
0xA02ADDC1, # SB T2, 0xDDC1 (AT)
0xA02ADDC9, # SB T2, 0xDDC9 (AT)
0x03E00008, # JR RA
0xD430DDC0 # LDC1 F16, 0xDDC0 (AT)
]
panther_jump_preventer = [
# Optional hack to prevent jumping while moving at the increased panther dash speed as a way to prevent logic
# sequence breaks that would otherwise be impossible without it. Such sequence breaks are never considered in logic
# either way.
# Decreases a "can running jump" value by 1 per frame unless it's at 0, or while in the sliding state. When the
# player lets go of C-right, their running speed should have returned to a normal amount by the time it hits 0.
0x9208007F, # LBU T0, 0x007F (S0)
0x24090008, # ADDIU T1, R0, 0x0008
0x11090005, # BEQ T0, T1, [forward 0x05]
0x3C088039, # LUI T0, 0x8039
0x91099BC1, # LBU T1, 0x9BC1 (T0)
0x11200002, # BEQZ T1, [forward 0x02]
0x2529FFFF, # ADDIU T1, T1, 0xFFFF
0xA1099BC1, # SB T1, 0x9BC1 (T0)
0x080FF413, # J 0x803FD04C
0x00000000, # NOP
# Increases the "can running jump" value by 2 per frame while panther dashing unless it's at 8 or higher, at which
# point the player should be at the max panther dash speed.
0x00074402, # SRL T0, A3, 16
0x29083F7F, # SLTI T0, T0, 0x3F7F
0x11000006, # BEQZ T0, [forward 0x06]
0x3C098039, # LUI T1, 0x8039
0x912A9BC1, # LBU T2, 0x9BC1 (T1)
0x254A0002, # ADDIU T2, T2, 0x0002
0x294B0008, # SLTI T3, T2, 0x0008
0x55600001, # BNEZL T3, [forward 0x01]
0xA12A9BC1, # SB T2, 0x9BC1 (T1)
0x03200008, # JR T9
0x00000000, # NOP
# Makes running jumps only work while the "can running jump" value is at 0. Otherwise, their state won't change.
0x3C010001, # LUI AT, 0x0001
0x3C088039, # LUI T0, 0x8039
0x91089BC1, # LBU T0, 0x9BC1 (T0)
0x55000001, # BNEZL T0, [forward 0x01]
0x3C010000, # LUI AT, 0x0000
0x03E00008 # JR RA
]
gondola_skipper = [
# Upon stepping on one of the gondolas in Tunnel to activate it, this will instantly teleport you to the other end
# of the gondola course depending on which one activated, skipping the entire 3-minute wait to get there.
0x3C088039, # LUI T0, 0x8039
0x240900FF, # ADDIU T1, R0, 0x00FF
0xA1099EE1, # SB T1, 0x9EE1 (T0)
0x31EA0020, # ANDI T2, T7, 0x0020
0x3C0C3080, # LUI T4, 0x3080
0x358C9700, # ORI T4, T4, 0x9700
0x154B0003, # BNE T2, T3, [forward 0x03]
0x24090002, # ADDIU T1, R0, 0x0002
0x24090003, # ADDIU T1, R0, 0x0003
0x3C0C7A00, # LUI T4, 0x7A00
0xA1099EE3, # SB T1, 0x9EE3 (T0)
0xAD0C9EE4, # SW T4, 0x9EE4 (T0)
0x3C0D0010, # LUI T5, 0x0010
0x25AD0010, # ADDIU T5, T5, 0x0010
0xAD0D9EE8, # SW T5, 0x9EE8 (T0)
0x08063E68 # J 0x8018F9A0
]
mandragora_with_nitro_setter = [
# When setting a Nitro, if Mandragora is in the inventory too and the wall's "Mandragora set" flag is not set, this
# will automatically subtract a Mandragora from the inventory and set its flag so the wall can be blown up in just
# one interaction instead of two.
0x3C088039, # LUI T0, 0x8039
0x81099EE1, # LB T1, 0x9EE1 (T0)
0x240A000C, # ADDIU T2, R0, 0x000C
0x112A000E, # BEQ T1, T2, [forward 0x0E]
0x81099C18, # LB T1, 0x9C18 (T0)
0x31290002, # ANDI T1, T1, 0x0002
0x11200009, # BEQZ T1, [forward 0x09]
0x91099C5D, # LBU T1, 0x9C5D (T0)
0x11200007, # BEQZ T1, [forward 0x07]
0x910B9C1A, # LBU T3, 0x9C1A (T0)
0x316A0001, # ANDI T2, T3, 0x0001
0x15400004, # BNEZ T2, [forward 0x04]
0x2529FFFF, # ADDIU T1, T1, 0xFFFF
0xA1099C5D, # SB T1, 0x9C5D (T0)
0x356B0001, # ORI T3, T3, 0x0001
0xA10B9C1A, # SB T3, 0x9C1A (T0)
0x08000512, # J 0x80001448
0x00000000, # NOP
0x810B9BF2, # LB T3, 0x9BF2 (T0)
0x31690040, # ANDI T1, T3, 0x0040
0x11200008, # BEQZ T1, [forward 0x08]
0x91099C5D, # LBU T1, 0x9C5D (T0)
0x11200006, # BEQZ T1, [forward 0x06]
0x316A0080, # ANDI T2, T3, 0x0080
0x15400004, # BNEZ T2, 0x803FE0E8
0x2529FFFF, # ADDIU T1, T1, 0xFFFF
0xA1099C5D, # SB T1, 0x9C5D (T0)
0x356B0080, # ORI T3, T3, 0x0080
0xA10B9BF2, # SB T3, 0x9BF2 (T0)
0x08000512 # J 0x80001448
]
ambience_silencer = [
# Silences all map-specific ambience when loading into a different map, so we don't have to live with, say, Tower of
# Science/Clock Tower machinery noises everywhere until either resetting, dying, or going into a map that is
# normally set up to disable said noises.
0x3C088039, # LUI T0, 0x8039
0x91089EE1, # LBU T0, 0x9EE1 (T0)
0x24090012, # ADDIU T1, R0, 0x0012
0x11090003, # BEQ T0, T1, [forward 0x03]
0x00000000, # NOP
0x0C004FAB, # JAL 0x80013EAC
0x3404818C, # ORI A0, R0, 0x818C
0x0C004FAB, # JAL 0x80013EAC
0x34048134, # ORI A0, R0, 0x8134
0x0C004FAB, # JAL 0x80013EAC
0x34048135, # ORI A0, R0, 0x8135
0x0C004FAB, # JAL 0x80013EAC
0x34048136, # ORI A0, R0, 0x8136
0x08054987, # J 0x8015261C
0x00000000, # NOP
# Plays the fan ambience when loading into the fan meeting room if this detects the active character's cutscene flag
# here already being set.
0x3C088039, # LUI T0, 0x8039
0x91099EE1, # LBU T1, 0x9EE1 (T0)
0x240A0019, # ADDIU T2, R0, 0x0019
0x152A000A, # BNE T1, T2, [forward 0x0A]
0x910B9BFE, # LBU T3, 0x9BFE (T0)
0x910C9C3D, # LBU T4, 0x9C3D (T0)
0x240D0001, # ADDIU T5, R0, 0x0001
0x55800001, # BNEZL T4, [forward 0x01]
0x240D0002, # ADDIU T5, R0, 0x0002
0x016D7024, # AND T6, T3, T5
0x11C00003, # BEQZ T6, [forward 0x03]
0x00000000, # NOP
0x0C0052B4, # JAL 0x80014AD0
0x34040169, # ORI A0, R0, 0x0169
0x0805581C # J 0x80156070
]
coffin_cutscene_skipper = [
# Kills the normally-unskippable "Found a hidden path" cutscene at the end of Villa if this detects, in the current
# module in the modules array, the cutscene's module number of 0x205C and the "skip" value 0f 0x01 normally set by
# all cutscenes upon pressing Start.
0x10A0000B, # BEQZ A1, [forward 0x0B]
0x00000000, # NOP
0x94A80000, # LHU T0, 0x0000 (A1)
0x2409205C, # ADDIU T1, R0, 0x205C
0x15090007, # BNE T0, T1, [forward 0x07]
0x90AA0070, # LBU T2, 0x0070 (A1)
0x11400005, # BEQZ T2, [forward 0x05]
0x90AB0009, # LBU T3, 0x0009 (A1)
0x240C0003, # ADDIU T4, R0, 0x0003
0x156C0002, # BNE T3, T4, [forward 0x02]
0x240B0004, # ADDIU T3, R0, 0x0004
0xA0AB0009, # SB T3, 0x0009 (A1)
0x03E00008 # JR RA
]
multiworld_item_name_loader = [
# When picking up an item from another world, this will load from ROM the custom message for that item explaining
# in the item textbox what the item is and who it's for. The flag index it calculates determines from what part of
# the ROM to load the item name from. If the item being picked up is a white jewel or a contract, it will always
# load from a part of the ROM that has nothing in it to ensure their set "flag" values don't yield unintended names.
0x3C088040, # LUI T0, 0x8040
0xAD03E238, # SW V1, 0xE238 (T0)
0x92080039, # LBU T0, 0x0039 (S0)
0x11000003, # BEQZ T0, [forward 0x03]
0x24090012, # ADDIU T1, R0, 0x0012
0x15090003, # BNE T0, T1, [forward 0x03]
0x24080000, # ADDIU T0, R0, 0x0000
0x10000010, # B [forward 0x10]
0x24080000, # ADDIU T0, R0, 0x0000
0x920C0055, # LBU T4, 0x0055 (S0)
0x8E090058, # LW T1, 0x0058 (S0)
0x1120000C, # BEQZ T1, [forward 0x0C]
0x298A0011, # SLTI T2, T4, 0x0011
0x51400001, # BEQZL T2, [forward 0x01]
0x258CFFED, # ADDIU T4, T4, 0xFFED
0x240A0000, # ADDIU T2, R0, 0x0000
0x00094840, # SLL T1, T1, 1
0x5520FFFE, # BNEZL T1, [backward 0x02]
0x254A0001, # ADDIU T2, T2, 0x0001
0x240B0020, # ADDIU T3, R0, 0x0020
0x018B0019, # MULTU T4, T3
0x00004812, # MFLO T1
0x012A4021, # ADDU T0, T1, T2
0x00084200, # SLL T0, T0, 8
0x3C0400BB, # LUI A0, 0x00BB
0x24847164, # ADDIU A0, A0, 0x7164
0x00882020, # ADD A0, A0, T0
0x3C058018, # LUI A1, 0x8018
0x34A5BF98, # ORI A1, A1, 0xBF98
0x0C005DFB, # JAL 0x800177EC
0x24060100, # ADDIU A2, R0, 0x0100
0x3C088040, # LUI T0, 0x8040
0x8D03E238, # LW V1, 0xE238 (T0)
0x3C1F8012, # LUI RA, 0x8012
0x27FF5BA4, # ADDIU RA, RA, 0x5BA4
0x0804EF54, # J 0x8013BD50
0x94640002, # LHU A0, 0x0002 (V1)
# Changes the Y screen position of the textbox depending on how many line breaks there are.
0x3C088019, # LUI T0, 0x8019
0x9108C097, # LBU T0, 0xC097 (T0)
0x11000005, # BEQZ T0, [forward 0x05]
0x2508FFFF, # ADDIU T0, T0, 0xFFFF
0x11000003, # BEQZ T0, [forward 0x03]
0x00000000, # NOP
0x1000FFFC, # B [backward 0x04]
0x24C6FFF1, # ADDIU A2, A2, 0xFFF1
0x0804B33F, # J 0x8012CCFC
# Changes the length and number of lines on the textbox if there's a multiworld message in the buffer.
0x3C088019, # LUI T0, 0x8019
0x9108C097, # LBU T0, 0xC097 (T0)
0x11000003, # BEQZ T0, [forward 0x03]
0x00000000, # NOP
0x00082821, # ADDU A1, R0, T0
0x240600B6, # ADDIU A2, R0, 0x00B6
0x0804B345, # J 0x8012CD14
0x00000000, # NOP
# Redirects the text to the multiworld message buffer if a message exists in it.
0x3C088019, # LUI T0, 0x8019
0x9108C097, # LBU T0, 0xC097 (T0)
0x11000004, # BEQZ T0, [forward 0x04]
0x00000000, # NOP
0x3C048018, # LUI A0, 0x8018
0x3484BF98, # ORI A0, A0, 0xBF98
0x24050000, # ADDIU A1, R0, 0x0000
0x0804B39F, # J 0x8012CE7C
# Copy the "item from player" text when being given an item through the multiworld via the game's copy function.
0x00000000, # NOP
0x00000000, # NOP
0x00000000, # NOP
0x3C088040, # LUI T0, 0x8040
0xAD1FE33C, # SW RA, 0xE33C (T0)
0xA104E338, # SB A0, 0xE338 (T0)
0x3C048019, # LUI A0, 0x8019
0x2484C0A8, # ADDIU A0, A0, 0xC0A8
0x3C058019, # LUI A1, 0x8019
0x24A5BF98, # ADDIU A1, A1, 0xBF98
0x0C000234, # JAL 0x800008D0
0x24060100, # ADDIU A2, R0, 0x0100
0x3C088040, # LUI T0, 0x8040
0x8D1FE33C, # LW RA, 0xE33C (T0)
0x0804EDCE, # J 0x8013B738
0x9104E338, # LBU A0, 0xE338 (T0)
0x00000000, # NOP
# Neuters the multiworld item text buffer if giving a non-multiworld item through the in-game remote item rewarder
# byte before then jumping to item_prepareTextbox.
0x24080011, # ADDIU T0, R0, 0x0011
0x10880004, # BEQ A0, T0, [forward 0x04]
0x24080012, # ADDIU T0, R0, 0x0012
0x10880002, # BEQ A0, T0, [forward 0x02]
0x3C088019, # LUI T0, 0x8019
0xA100C097, # SB R0, 0xC097 (T0)
0x0804EDCE # J 0x8013B738
]
ice_trap_initializer = [
# During a map load, creates the module that allows the ice block model to appear while in the frozen state if not
# on the intro narration map (map 0x16).
0x3C088039, # LUI T0, 0x8039
0x91089EE1, # LBU T0, 0x9EE1 (T0)
0x24090016, # ADDIU T1, R0, 0x0016
0x11090004, # BEQ T0, T1, [forward 0x04]
0x3C048034, # LUI A0, 0x8034
0x24842ACC, # ADDIU A0, A0, 0x2ACC
0x08000660, # J 0x80001980
0x24052125, # ADDIU A1, R0, 0x2125
0x03E00008 # JR RA
]
the_deep_freezer = [
# Writes 000C0000 into the player state to freeze the player on the spot if Ice Traps have been received, writes the
# Ice Trap code into the pointer value (0x20B8, which is also Camilla's boss code),and decrements the Ice Traps
# remaining counter. All after verifying the player is in a "safe" state to be frozen in.
0x3C0B8039, # LUI T3, 0x8039
0x91699BE2, # LBU T3, 0x9BE2 (T0)
0x11200015, # BEQZ T1, [forward 0x15]
0x3C088034, # LUI T0, 0x8034
0x910827A9, # LBU T0, 0x27A9 (T0)
0x240A0005, # ADDIU T2, R0, 0x0005
0x110A0011, # BEQ T0, T2, [forward 0x11]
0x240A000C, # ADDIU T2, R0, 0x000C
0x110A000F, # BEQ T0, T2, [forward 0x0F]
0x240A0002, # ADDIU T2, R0, 0x0002
0x110A000D, # BEQ T0, T2, [forward 0x0D]
0x240A0008, # ADDIU T2, R0, 0x0008
0x110A000B, # BEQ T0, T2, [forward 0x0B]
0x2529FFFF, # ADDIU T1, T1, 0xFFFF
0xA1699BE2, # SB T1, 0x9BE2 (T3)
0x3C088034, # LUI T0, 0x8034
0x3C09000C, # LUI T1, 0x000C
0xAD0927A8, # SW T1, 0x27A8 (T0)
0x240C20B8, # ADDIU T4, R0, 0x20B8
0xA56C9E6E, # SH T4, 0x9E6E (T3)
0x8D0927C8, # LW T1, 0x27C8 (T0)
0x912A0048, # LBU T2, 0x0068 (T1)
0x314A007F, # ANDI T2, T2, 0x007F
0xA12A0048, # SB T2, 0x0068 (T1)
0x03E00008 # JR RA
]
freeze_verifier = [
# Verifies for the ice chunk module that a freeze should spawn the ice model. The player must be in the frozen state
# (0x000C) and 0x20B8 must be in either the freeze pointer value or the current boss ID (Camilla's); otherwise, we
# weill assume that the freeze happened due to a vampire grab or Actrise shard tornado and not spawn the ice chunk.
0x8C4E000C, # LW T6, 0x000C (V0)
0x00803025, # OR A2, A0, R0
0x8DC30008, # LW V1, 0x0008 (T6)
0x3C088039, # LUI T0, 0x8039
0x240920B8, # ADDIU T1, R0, 0x20B8
0x950A9E72, # LHU T2, 0x9E72 (T0)
0x3C0C8034, # LUI T4, 0x8034
0x918C27A9, # LBU T4, 0x27A9 (T4)
0x240D000C, # ADDIU T5, R0, 0x000C
0x158D0004, # BNE T4, T5, [forward 0x04]
0x3C0B0F00, # LUI T3, 0x0F00
0x112A0005, # BEQ T1, T2, [forward 0x05]
0x950A9E78, # LHU T2, 0x9E78 (T0)
0x112A0003, # BEQ T1, T2, [forward 0x03]
0x357996A0, # ORI T9, T3, 0x96A0
0x03200008, # JR T9
0x00000000, # NOP
0x35799640, # ORI T9, T3, 0x9640
0x03200008, # JR T9
]
countdown_extra_safety_check = [
# Checks to see if the multiworld message is a red flashing trap before then truly deciding to decrement the
# Countdown number. This was a VERY last minute thing I caught, since Ice Traps for other CV64 players can take the
# appearance of majors with no other way of the game knowing.
0x3C0B8019, # LUI T3, 0x8019
0x956BBF98, # LHU T3, 0xBF98 (T3)
0x240C0000, # ADDIU T4, R0, 0x0000
0x358CA20B, # ORI T4, T4, 0xA20B
0x556C0001, # BNEL T3, T4, [forward 0x01]
0xA1099CA4, # SB T1, 0x9CA4 (T0)
0x03E00008 # JR RA
]
countdown_demo_hider = [
# Hides the Countdown number if we are not in the Gameplay state (state 2), which would happen if we were in the
# Demo state (state 9). This is to ensure the demo maps' number is not peep-able before starting a run proper, for
# the sake of preventing a marginal unfair advantage. Otherwise, updates the number once per frame.
0x3C088039, # LUI T0, 0x8039
0x91089EE1, # LBU T0, 0x9EE1 (T0)
0x3C098040, # LUI T1, 0x8040
0x01284821, # ADDU T1, T1, T0
0x0C0FF507, # JAL 0x803FD41C
0x9124D6DC, # LBU A0, 0xD6DC (T1)
0x3C088034, # LUI T0, 0x8034
0x91092087, # LBU T0, 0x2087 (T0)
0x240A0002, # ADDIU T2, R0, 0x0002
0x112A0003, # BEQ T1, T2, [forward 0x03]
0x3C048040, # LUI A0, 0x8040
0x8C84D6D4, # LW A0, 0xD6D4 (A0)
0x0C0FF59F, # JAL 0x803FD67C
0x24050000, # ADDIU A1, R0, 0x0000
0x080FF411, # J 0x803FD044
]
item_drop_spin_corrector = [
# Corrects how far AP-placed items drop and how fast they spin based on what appearance they take.
# Pickup actor ID table for the item appearance IDs to reference.
0x01020304,
0x05060708,
0x090A0B0C,
0x100D0E0F,
0x11121314,
0x15161718,
0x191D1E1F,
0x20212223,
0x24252627,
0x28291A1B,
0x1C000000,
0x00000000,
# Makes AP-placed items in 1-hit breakables drop to their correct, dev-intended height depending on what appearance
# we gave it. Primarily intended for the Axe and the Cross to ensure they don't land half buried in the ground.
0x000C4202, # SRL T0, T4, 8
0x318C00FF, # ANDI T4, T4, 0x00FF
0x11000003, # BEQZ T0, [forward 0x03]
0x3C098040, # LUI T1, 0x8040
0x01284821, # ADDU T1, T1, T0
0x912CE7DB, # LBU T4, 0xE7D8
0x03E00008, # JR RA
0xAC600000, # SW R0, 0x0000 (V1)
0x00000000, # NOP
# Makes items with changed appearances spin at their correct speed. Unless it's a local Ice Trap, wherein it will
# instead spin at the speed it isn't supposed to.
0x920B0040, # LBU T3, 0x0040 (S0)
0x1160000D, # BEQZ T3, [forward 0x0D]
0x3C0C8040, # LUI T4, 0x8040
0x016C6021, # ADDU T4, T3, T4
0x918CE7DB, # LBU T4, 0xE7DB (T4)
0x258CFFFF, # ADDIU T4, T4, 0xFFFF
0x240D0011, # ADDIU T5, R0, 0x0011
0x154D0006, # BNE T2, T5, [forward 0x06]
0x29AE0006, # SLTI T6, T5, 0x0006
0x240A0001, # ADDIU T2, R0, 0x0001
0x55C00001, # BNEZL T6, [forward 0x01]
0x240A0007, # ADDIU T2, R0, 0x0007
0x10000002, # B [forward 0x02]
0x00000000, # NOP
0x258A0000, # ADDIU T2, T4, 0x0000
0x08049648, # J 0x80125920
0x3C028017, # LUI V0, 0x8017
0x00000000,
0x00000000,
0x00000000,
0x00000000,
# Makes AP-placed items in 3-hit breakables drop to their correct, dev-intended height depending on what appearance
# we gave it.
0x00184202, # SRL T0, T8, 8
0x331800FF, # ANDI T8, T8, 0x00FF
0x11000003, # BEQZ T0, [forward 0x03]
0x3C098040, # LUI T1, 0x8040
0x01284821, # ADDU T1, T1, T0
0x9138E7DB, # LBU T8, 0xE7D8
0x03E00008, # JR RA
0xAC60FFD8, # SW R0, 0xFFD8 (V1)
0x00000000,
# Makes AP-placed items in the Villa chandelier drop to their correct, dev-intended height depending on what
# appearance we gave it. (why must this singular breakable be such a problem child with its own code? :/)
0x000D4202, # SRL T0, T5, 8
0x31AD00FF, # ANDI T5, T5, 0x00FF
0x11000003, # BEQZ T0, [forward 0x03]
0x3C098040, # LUI T1, 0x8040
0x01284821, # ADDU T1, T1, T0
0x912DE7DB, # LBU T5, 0xE7D8
0x03E00008, # JR RA
0xAC60FFD8, # SW R0, 0xFFD8 (V1)
]
big_tosser = [
# Makes every hit the player takes that does not immobilize them send them flying backwards with the power of
# Behemoth's charge.
0x3C0A8038, # LUI T2, 0x8038
0x914A7D7E, # LBU T2, 0x7D7E (T2)
0x314A0020, # ANDI T2, T2, 0x0020
0x1540000D, # BEQZ T2, [forward 0x0D]
0x3C0A800E, # LUI T2, 0x800E
0x954B8290, # LHU T3, 0x8290 (T2)
0x356B2000, # ORI T3, T3, 0x2000
0xA54B8290, # SH T3, 0x8290 (T2)
0x3C0C8035, # LUI T4, 0x8035
0x958C09DE, # LHU T4, 0x09DE (T4)
0x258C8000, # ADDIU T4, T4, 0x8000
0x3C0D8039, # LUI T5, 0x8039
0xA5AC9CF0, # SH T4, 0x9CF0 (T5)
0x3C0C4160, # LUI T4, 0x4160
0xADAC9CF4, # SW T4, 0x9CF4 (T5)
0x3C0C4040, # LUI T4, 0x4040
0xADAC9CF8, # SW T4, 0x9CF8 (T5)
0x03E00008, # JR RA
0x8C680048, # LW T0, 0x0048 (V1)
0x00000000,
0x00000000,
# Allows pressing A while getting launched to cancel all XZ momentum. Useful for saving oneself from getting
# launched into an instant death trap.
0x3C088038, # LUI T0, 0x8038
0x91087D80, # LBU T0, 0x7D80 (T0)
0x31090080, # ANDI T1, T0, 0x0080
0x11200009, # BEQZ T1, [forward 0x09]
0x3C088035, # LUI T0, 0x8035
0x8D0A079C, # LW T2, 0x079C (T0)
0x3C0B000C, # LUI T3, 0x000C
0x256B4000, # ADDIU T3, T3, 0x4000
0x014B5024, # AND T2, T2, T3
0x154B0003, # BNE T2, T3, [forward 0x03]
0x00000000, # NOP
0xAD00080C, # SW R0, 0x080C (T0)
0xAD000814, # SW R0, 0x0814 (T0)
0x03200008 # JR T9
]
dog_bite_ice_trap_fix = [
# Sets the freeze timer to 0 when a maze garden dog bites the player to ensure the ice chunk model will break if the
# player gets bitten while frozen via Ice Trap.
0x3C088039, # LUI T0, 0x8039
0xA5009E76, # SH R0, 0x9E76 (T0)
0x3C090F00, # LUI T1, 0x0F00
0x25291CB8, # ADDIU T1, T1, 0x1CB8
0x01200008 # JR T1
]
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