Pre Formula Setup (FDC)
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Pre Formula Setup (FDC) Short Summary // Long Summary ------------------------------------- r4 = Attacker data pointer / r5 Defender ID returns r2 = 0x00 ------------------------------------- 0018b34c: 27bdffc8 addiu r29,r29,0xffc8 0018b350: afb00028 sw r16,0x0028(r29) 0018b354: 00a08021 addu r16,r5,r0 r16 = Target ID 0018b358: 27a50010 addiu r5,r29,0x0010 r5 = Stack + 0x10 0018b35c: afbf0034 sw r31,0x0034(r29) 0018b360: afb20030 sw r18,0x0030(r29) 0018b364: 0c01788b jal 0x0005e22c --> Copy_Byte_Data_(20_Bytes) (from r4 to r5) 0018b368: afb1002c sw r17,0x002c(r29) 0018b36c: 3c018019 lui r1,0x8019 0018b370: a03038c1 sb r16,0x38c1(r1) Store ID of the defending unit (Current ability data) 0018b374: 321000ff andi r16,r16,0x00ff r16 = Last byte of Target ID 0018b378: 001010c0 sll r2,r16,0x03 r2 = Defender ID * 0x8 0018b37c: 00501023 subu r2,r2,r16 r2 = defender ID * 0x7 0018b380: 00021180 sll r2,r2,0x06 r2 = defender ID * 0x1c0 0018b384: 3c048019 lui r4,0x8019 0018b388: 248408cc addiu r4,r4,0x08cc r4 = Start of Unit Data 0018b38c: 00441821 addu r3,r2,r4 r3 = Defender data location(start of unit data + Defender battle ID * 0x1c0) 0018b390: 3c018019 lui r1,0x8019 0018b394: ac232d98 sw r3,0x2d98(r1) Store Defender's Data Location (Current action data) 0018b398: 2483018c addiu r3,r4,0x018c r3 = Start of unit data + 0x018c (current action data) 0018b39c: 00431021 addu r2,r2,r3 r2 = Current action data + 0x01c0 (Defender current action data) 0018b3a0: 93a30010 lbu r3,0x0010(r29) r3 = Load attackers unit ID from stack (from routine 0x0005e22c) 0018b3a4: 3c018019 lui r1,0x8019 0018b3a8: ac222d90 sw r2,0x2d90(r1) Store Defender's Current Action Data (Current action data) 0018b3ac: 3c028019 lui r2,0x8019 0018b3b0: 244238c0 addiu r2,r2,0x38c0 r2 = Load Attacker's Unit ID location 0018b3b4: 3c018019 lui r1,0x8019 0018b3b8: a020390e sb r0,0x390e(r1) Store formula as 0x00 0018b3bc: a0430000 sb r3,0x0000(r2) Store ID of the attacking unit (Current Ability data) 0018b3c0: 90430000 lbu r3,0x0000(r2) r3 = Load ID of the attacking unit (really?) 0018b3c4: 3c028019 lui r2,0x8019 0018b3c8: 24422da0 addiu r2,r2,0x2da0 r2 = 0x80192da0 (copy of attacker action data?) 0018b3cc: 3c018019 lui r1,0x8019 0018b3d0: ac222d8c sw r2,0x2d8c(r1) Store 0x80192da0 into attacker current action data location (current action data) 0018b3d4: 000310c0 sll r2,r3,0x03 r2 = attacking Unit ID * 0x8 0018b3d8: 00431023 subu r2,r2,r3 r2 = Attacking unit ID * 0x7 0018b3dc: 00021180 sll r2,r2,0x06 r2 = Attacking unit ID * 0x1c0 0018b3e0: 3c038019 lui r3,0x8019 0018b3e4: 8c63f5f0 lw r3,-0x0a10(r3) r3 = Loads type of action (word / reacting - pre attack - attack) 0018b3e8: 00441021 addu r2,r2,r4 r2 = Attacker data location 0018b3ec: 3c018019 lui r1,0x8019 0018b3f0: ac222d94 sw r2,0x2d94(r1) Store Attacker's Data location (Current action data) 0018b3f4: 10600009 beq r3,r0,0x0018b41c # If reacting (Branch if attack is initial or preview) 0018b3f8: 00000000 nop | 0018b3fc: 0c062bcb jal 0x0018af2c |--> Perform_reaction_abilities return r2 =0x01 if ok 0xffff if reaction is not tested and 0x00 if reflect with reaction flag 0x01 alone. 0018b400: 00000000 nop | 0018b404: 10400005 beq r2,r0,0x0018b41c #If Reaction OK (Branch if Reaction failed) 0018b408: 00000000 nop | 0018b40c: 0c062c9d jal 0x0018b274 |--> Store_used_weapon (modified by action menu ID) 0018b410: 27a40010 addiu r4,r29,0x0010 |makes r4 a stack pointer for above 0018b414: 08062e77 j 0x0018b9dc X> Goto End 0018b418: 00001021 addu r2,r0,r0 |r2 = 0 0018b41c: 3c028019 lui r2,0x8019 E# E# Not reacting/Reacting and r2 = 0x00 (reflect with flag 0x01 alone) 0018b420: 904238ed lbu r2,0x38ed(r2) r2 = Load can poach/post action byte // Fall damage ? 0018b424: 00000000 nop 0018b428: 30420080 andi r2,r2,0x0080 r2 = 0x0080 if attack is fall damage / Else = 0x000 (0x80 is flagged as fall dmg not calculated ?) 0018b42c: 10400005 beq r2,r0,0x0018b444 #If attack is fall Dmg / Branch if attack is not fall damage 0018b430: 00000000 nop | 0018b434: 0c062b8f jal 0x0018ae3c |--> Knockback? - Fall Damage 0018b438: 00000000 nop | 0018b43c: 08062e77 j 0x0018b9dc X> Goto end 0018b440: 00001021 addu r2,r0,r0 |r2 = 0x00 0018b444: 3c048019 lui r4,0x8019 E# Attack is not fall dmg 0018b448: 8c842d98 lw r4,0x2d98(r4) r4 = Defender's Data Pointer 0018b44c: 0c060428 jal 0x001810a0 --> Map_Location_Calculation - Return r2 as Target tile ID 0018b450: 00000000 nop 0018b454: 000210c0 sll r2,r2,0x03 r2 = Target tile ID x 8 0018b458: 3c018019 lui r1,0x8019 0018b45c: 00220821 addu r1,r1,r2 r1 = 8019 + Tile ID x 8 0018b460: 9022f8cc lbu r2,-0x0734(r1) r2 = Target Tile Type 0018b464: 3c038019 lui r3,0x8019 0018b468: 906338c3 lbu r3,0x38c3(r3) r3 = Strike counter (previous info Weapon Hand (0 = R, 1 = L) ?) 0018b46c: 3042003f andi r2,r2,0x003f r2 = Filter out Target tile terrain type 0018b470: 3c018019 lui r1,0x8019 0018b474: a02238cd sb r2,0x38cd(r1) Store defender terrain type (flagged as caster tile ID in data table ?) 0018b478: 14600005 bne r3,r0,0x0018b490 #If 1rst strike /// Weapon is in right hand / Branch if Weapon is in left hand 0018b47c: 00000000 nop | 0018b480: 3c078019 lui r7,0x8019 | 0018b484: 90e738c4 lbu r7,0x38c4(r7) |r7 = Right Arm Equip ID 0018b488: 08062d26 j 0x0018b498 > Jump after left hand section 0018b48c: 00000000 nop 0018b490: 3c078019 lui r7,0x8019 E# Not first strike ///(Weapon in left hand ?) 0018b494: 90e738c5 lbu r7,0x38c5(r7) |r7 = Left Arm Equip ID 0018b498: 93a30011 lbu r3,0x0011(r29) r3 = Last skillset used ///equipment ID type 0018b49c: 34020013 ori r2,r0,0x0013 r2 = 0x13 Draw out ? 0018b4a0: 14620004 bne r3,r2,0x0018b4b4 # If Draw Out (Else Branch) // Branch if weapon is not a shield 0018b4a4: 30e200ff andi r2,r7,0x00ff r2 = Right or Left Hand Item (depend of mini section above) 0018b4a8: 93a70018 lbu r7,0x0018(r29) |r7 = Used item/Equip ID ? 0018b4ac: 00000000 nop | 0018b4b0: 30e200ff andi r2,r7,0x00ff |r2 = Used item 0018b4b4: 2c420080 sltiu r2,r2,0x0080 r2 = 0x01 if weapon/Ninja throwed / 0x00 if shield (0x80 = first shield) 0018b4b8: 14400002 bne r2,r0,0x0018b4c4 #If Weapon/item used is not a weapon ///If weapon actually is a shield, branch 0018b4bc: 00000000 nop | 0018b4c0: 00003821 addu r7,r0,r0 |r7 = 0x00 ///If equipment was a shield, Weapon ID = 0 0018b4c4: 97a30012 lhu r3,0x0012(r29) r3 = Last attack used 0018b4c8: 3c108019 lui r16,0x8019 0018b4cc: 261038d8 addiu r16,r16,0x38d8 r16 = 0x801938d8 - weapon ID data location /// =Load Spell Proc Ability ID 0018b4d0: a2070000 sb r7,0x0000(r16) Store used Weapon ID (0x00 if not a weapon) 0018b4d4: 3c018019 lui r1,0x8019 0018b4d8: a42338d6 sh r3,0x38d6(r1) Store Used Ability/Attack ID 0018b4dc: 3c028019 lui r2,0x8019 0018b4e0: 944238d6 lhu r2,0x38d6(r2) Load Used Ability ID (pointless and sucky) 0018b4e4: 3c018019 lui r1,0x8019 0018b4e8: a02038d9 sb r0,0x38d9(r1) Store Two Hands as inactive (?) 0018b4ec: 2c420171 sltiu r2,r2,0x0171 r2 = 0x01 if Ability <= Potion (why potion is keeped) / Else 0x00 (R-S-M) 0018b4f0: 14400002 bne r2,r0,0x0018b4fc # If Ability ID >= Hi-Potion (go get ability pointer) 0018b4f4: 26050018 addiu r5,r16,0x0018 |r5 = 0x801938F0 - Current Ability Range data location 0018b4f8: 00001821 addu r3,r0,r0 |r3 = 0x00 /// load the pointer of first attack 0018b4fc: 000320c0 sll r4,r3,0x03 r4 = Used Ability ID * 8 (0x00 if >= Hi potion) 0018b500: 00832023 subu r4,r4,r3 r4 = Used Ability ID * 7 0018b504: 00042040 sll r4,r4,0x01 r4 = Used Ability ID * 14 (if ability ID >= Hi potion, r4 = 0x00) 0018b508: 3c028006 lui r2,0x8006 0018b50c: 2442fbf0 addiu r2,r2,0xfbf0 r2 = Start of Abilities data 2 0018b510: 00822021 addu r4,r4,r2 r4 = Start of Used Ability (by ID) Data 2 0018b514: 3406000e ori r6,r0,0x000e r6 = 0x0e (for next jal) 0018b518: 30e200ff andi r2,r7,0x00ff r2 = Weapon ID 0018b51c: 000210c0 sll r2,r2,0x03 r2 = Weapon ID * 8 0018b520: 3c038006 lui r3,0x8006 0018b524: 24633ab8 addiu r3,r3,0x3ab8 r3 = Start of weapons data 2 0018b528: 0c017895 jal 0x0005e254 --> Store_X_Byte_into_Y - Store used ability data 2 into current ability data section (r5) - 0x0e bytes (from r6) 0018b52c: 00438821 addu r17,r2,r3 r17 = Start of Used weapon Data 2 0018b530: 02202021 addu r4,r17,r0 r4 = r17 (preparing next jal) 0018b534: 26050026 addiu r5,r16,0x0026 r5 = 0x801938FE (start of weapon section in current ability section) 0018b538: 0c017895 jal 0x0005e254 --> Store_X_Byte_into_Y - Store used weapon data into weapon's current ability data section - 0x08 bytes 0018b53c: 34060008 ori r6,r0,0x0008 r6 = 0x08 0018b540: 92240007 lbu r4,0x0007(r17) r4 = Inflict Status/Cast Spell ID from Weapon 0018b544: 3c038019 lui r3,0x8019 0018b548: 8c632d94 lw r3,0x2d94(r3) r3 = Attacker Data location 0018b54c: 34020001 ori r2,r0,0x0001 r2 = 1 0018b550: 3c018019 lui r1,0x8019 0018b554: a02038e4 sb r0,0x38e4(r1) Store Charge Power as 0? 0018b558: 3c018019 lui r1,0x8019 0018b55c: a02238e5 sb r2,0x38e5(r1) Store Ability Formula as 0x01 ? 0018b560: 3c018019 lui r1,0x8019 0018b564: a02438da sb r4,0x38da(r1) Store r4 (Inflict Status/Cast Spell ID from Weapon) in current ability data proc ID 0018b568: 90620026 lbu r2,0x0026(r3) r2 = Attacker's Faith 0018b56c: 3c038019 lui r3,0x8019 0018b570: 8c632d98 lw r3,0x2d98(r3) r3 = Defender Data location 0018b574: 3c018019 lui r1,0x8019 0018b578: a02238d3 sb r2,0x38d3(r1) Store Attacker's Faith in current data section (without faith/innocent check) 0018b57c: 90620026 lbu r2,0x0026(r3) r2 = Defender's Faith 0018b580: 3c018019 lui r1,0x8019 0018b584: a02238d2 sb r2,0x38d2(r1) Store Defender's Faith in current data section (without faith/innocent check) 0018b588: 0c062b7d jal 0x0018adf4 --> Current_Action_Data_Nulling (nullify most of current TCAD and ACAP data / set hit% at 100% - Hit flag at 0x01 for target, at 0x00 for attacker) 0018b58c: 00000000 nop 0018b590: 93a20011 lbu r2,0x0011(r29) r2 = Attacker last skill used 0018b594: 3c038019 lui r3,0x8019 0018b598: 946338c8 lhu r3,0x38c8(r3) r3 = ?? /// 0x1 if spell proc is true, and 0x0 otherwise 0018b59c: 3c018019 lui r1,0x8019 0018b5a0: a02238d4 sb r2,0x38d4(r1) Store r2 (Attacker used skillset) in current ability data used ability skillset 0018b5a4: 304200ff andi r2,r2,0x00ff r2 = last byte of Attacker last used skillset (no change ?) 0018b5a8: 3c018006 lui r1,0x8006 0018b5ac: 00220821 addu r1,r1,r2 r1 = 0x800600XX (XX = last used skill set) 0018b5b0: 90325cb4 lbu r18,0x5cb4(r1) r18 = Action Menu of used skillset 0018b5b4: 10600009 beq r3,r0,0x0018b5dc #If r3 <> 0 Reaction ? /// Branch if Weapon Proc failed 0018b5b8: 00000000 nop | 0018b5bc: 3c028019 lui r2,0x8019 | 0018b5c0: 944238c6 lhu r2,0x38c6(r2) |r2 = current ability reaction byte /// Load ??? (reaction ID? this halfword seems to handle all post-attack results...) 0018b5c4: 00000000 nop | 0018b5c8: a7a20012 sh r2,0x0012(r29) |Store r2 as used ability ID on stack (see first jal) /// If Spell proc is true, store proc ID as used ability ID (temporary) 0018b5cc: 3c018019 lui r1,0x8019 | 0018b5d0: a42238d6 sh r2,0x38d6(r1) |Store r2 as used current ability used ability ID Spell Proc ID as Used Ability ID 0018b5d4: 08062d79 j 0x0018b5e4 | 0018b5d8: 00009021 addu r18,r0,r0 |r18 = 0x00 - Clear Action Menu ID 0018b5dc: 3c018019 lui r1,0x8019 0018b5e0: a42038c6 sh r0,0x38c6(r1) Set current ability Reaction ID to 0x00 /// Store ??? as 0x00 (reaction ID?) 0018b5e4: 87a30012 lh r3,0x0012(r29) r3 = Attack used ability ID 0018b5e8: 3c028006 lui r2,0x8006 0018b5ec: 2442ebf0 addiu r2,r2,0xebf0 r2 = Start of abilities data 1 0018b5f0: 000318c0 sll r3,r3,0x03 r3 = r3 * 8 (ability ID * 8) 0018b5f4: 00621821 addu r3,r3,r2 r3 = Ability (by ID) start of data 1 0018b5f8: 90620004 lbu r2,0x0004(r3) r2 = First set of AI Flags 0018b5fc: 3c048019 lui r4,0x8019 0018b600: 8c842d90 lw r4,0x2d90(r4) r4 = TCADP 0018b604: 30420003 andi r2,r2,0x0003 r2 = focus on target allies or target ennemies flags 0018b608: a0820018 sb r2,0x0018(r4) Store Abilities AI Target Enemies/Allies into 0x18 of Current Action Data (positive spells 'miss,' negative spells are 'guarded'!) 0018b60c: 90620007 lbu r2,0x0007(r3) r2 = evade with motion byte 0018b610: 00000000 nop 0018b614: 30420001 andi r2,r2,0x0001 r2 = 0x01 if evade with motion is checked - else 0x00 0018b618: 10400009 beq r2,r0,0x0018b640 # If Evade with motion is checked /// Branch if ability does not evade with motion 0018b61c: 324300ff andi r3,r18,0x00ff |r3 = Action Menu ID 0018b620: 3c038019 lui r3,0x8019 | 0018b624: 8c632d90 lw r3,0x2d90(r3) |r3 = TCADP 0018b628: 00000000 nop | 0018b62c: 90620018 lbu r2,0x0018(r3) |r2 = 'missed' or 'guarded' byte (positive attack vs negative attack) 0018b630: 00000000 nop | 0018b634: 24420080 addiu r2,r2,0x0080 |update r2 with animate miss checked 0018b638: a0620018 sb r2,0x0018(r3) |store updated byte 0018b63c: 324300ff andi r3,r18,0x00ff |r3 = Action Menu ID 0018b640: 34020007 ori r2,r0,0x0007 r2 = 0x07 0018b644: 14620006 bne r3,r2,0x0018b660 #if action menu = katana inventory ///Branch if Action Menu ID != Draw Out 0018b648: 2c62000b sltiu r2,r3,0x000b |r2 = 0x01 if action menu < 0x0b (is not Defend or Equip Change or blank or unknow 0018b64c: 93a20018 lbu r2,0x0018(r29) |r2 = Attacker used Item ID (on stack) 0018b650: 00000000 nop | 0018b654: 24420026 addiu r2,r2,0x0026 |r2 = Item ID +0x26 (the displacement of katana from their associated abilities) 0018b658: a7a20012 sh r2,0x0012(r29) |Store r2 as attacker used ability ID (on stack) 0018b65c: 2c62000b sltiu r2,r3,0x000b |r2 = 0x01 if action menu < 0x0b (is not Defend or Equip Change or blank or unknow 0018b660: 10400095 beq r2,r0,0x0018b8b8 #If action menu is not defend / equip change / blank /// if Action Menu Type is defend or equip change; weapon formula = 0x01 0018b664: 00031080 sll r2,r3,0x02 |r2 = action menu * 4 (word) 0018b668: 3c018017 lui r1,0x8017 0018b66c: 00220821 addu r1,r1,r2 |r1 = 8017XXXX (XXXX = action menu * 4) 0018b670: 8c224344 lw r2,0x4344(r1) |Load return addresses for action menu (AM) Default: 0x8018b694 Item : 0x8018b76c - AM : Item inventory Throw : 0x8018b7d4 - AM : Weapon inventory Math : 0x8018b694 - AM : Mathematics Geo : 0x8018b680 - AM : Elements blank : 0x8018b8b8 Monster: 0x8018b694 - AM : Monsters Katana : 0x8018b694 - AM : Katana inventory Attack : 0x8018b818 - AM : Attack Jump : 0x8018b7dc - AM : Jump Charge : 0x8018b7e4 - AM : Aim -Menus past this point are ignored by the above branch, and likely just jump to garbage data. they are included regardless as a warning Defend : 0x27bdffe8 Equip : 0xafbf0010 Unknown: 0x0c063998 Blank : 0x00000000 Unknown: 0x00401821 0018b674: 00000000 nop | 0018b678: 00400008 jr r2 |jump to location specified by the above table 0018b67c: 00000000 nop Geomancy section 0018b680: 3c048019 lui r4,0x8019 0018b684: 8c842d94 lw r4,0x2d94(r4) |r4 = Attacker Data pointer 0018b688: 0c05fcb6 jal 0x0017f2d8 --> Get_Elemental_Ability_ID ELEMENTAL terrain to skill hard-coding 0018b68c: 00000000 nop | 0018b690: a7a20012 sh r2,0x0012(r29) |Store r2 On temp stack as last attack used /// save ability ID to temp Default, Math, Monster, Katana Section 0018b694: 87a20012 lh r2,0x0012(r29) |r2 = Attacker last attack used //// Load it again 0018b698: 00000000 nop | 0018b69c: 28420171 slti r2,r2,0x0171 |r2 = 0x01 if ability <= Potion / Else 0x00 /// set true if ability ID is not hardcoded (except for potion apparently, likely a number typo in the original code) 0018b6a0: 10400086 beq r2,r0,0x0018b8bc #If Ability <= Potion /// branch if Ability ID > 171 (Hi-Potion? Not Potion?) 0018b6a4: 34100001 ori r16,r0,0x0001 |r16 = 0x01 0018b6a8: 3c028019 lui r2,0x8019 | 0018b6ac: 8c422d94 lw r2,0x2d94(r2 |r2 = Attacker Data Pointer 0018b6b0: 00000000 nop | 0018b6b4: 9042005a lbu r2,0x005a(r2) |r2 = Attacker Third set of Current Status 0018b6b8: 00000000 nop | 0018b6bc: 30420002 andi r2,r2,0x0002 |r2 = 0x02 if Attacker is a Frog / Else 0x00 0018b6c0: 1040000d beq r2,r0,0x0018b6f8 #If Attacker is a frog (possible by monster AM ?) /// Branch if unit is not a frog (stupid check. frogs can't use geomancy :() 0018b6c4: 00000000 nop | 0018b6c8: 3c058019 lui r5,0x8019 | 0018b6cc: 24a538c8 addiu r5,r5,0x38c8 |r5 = 801938c8 (Current ability ? Flag - Deals with reaction ? Proc ? - to be checked) 0018b6d0: 94a20000 lhu r2,0x0000(r5) |r2 = x38c8 halfW value Load Spell Proc Ability ID into r2 0018b6d4: 00000000 nop | 0018b6d8: 14400007 bne r2,r0,0x0018b6f8 #If r2= 0x00 /// Branch if spell proc/reaction is true (Frog counter attack?) 0018b6dc: 24a50036 addiu r5,r5,0x0036 |0x801938c8 + 0x36 = 801938fe = current ability weapon range location 0018b6e0: 3c018019 lui r1,0x8019 | 0018b6e4: a02038d8 sb r0,0x38d8(r1) |Current ability used weapon ID = 0x00 (when frog and x38c8 = 0x00) 0018b6e8: 3c048006 lui r4,0x8006 | 0018b6ec: 24843ab8 addiu r4,r4,0x3ab8 |r4 = 0x80063ab8 = Weapons Secondary Data start 0018b6f0: 0c017895 jal 0x0005e254 --> Store_X_Byte_into_Y Store data from the null weapon (fists) into 0x801938fe - 0x80193905 (current ability weapon section) 0018b6f4: 34060008 ori r6,r0,0x0008 |r6 = 0x08 (number of bytes stored in above jal) 0018b6f8: 3c058019 lui r5,0x8019 | 0018b6fc: 24a538f0 addiu r5,r5,0x38f0 |r5 = 0x801938f0 - Current ability : ability range adress (prepare jal at 0x8018b720) 0018b700: 87a20012 lh r2,0x0012(r29) |r2 = Attacker last attack used (on stack) 0018b704: 3406000e ori r6,r0,0x000e |r6 = 0x0e (limit for 0x8018b720) 0018b708: 000280c0 sll r16,r2,0x03 |r16 = r2 * 8 (Ability ID * 8) 0018b70c: 02028023 subu r16,r16,r2 |r16 = ID * 7 0018b710: 00108040 sll r16,r16,0x01 |r16 = ID * 14 0018b714: 3c028006 lui r2,0x8006 | 0018b718: 2442fbf0 addiu r2,r2,0xfbf0 |r2 = 0x8006fbf0 (start of abilities data 2) 0018b71c: 02028021 addu r16,r16,r2 |r16 = ability data 2 location for ability ID 0018b720: 0c017895 jal 0x0005e254 --> Store_X_Byte_into_Y Store ability data 2 into 0x801938f0 - 0x801938fd (current ability data section) 0018b724: 02002021 addu r4,r16,r0 |r4 = r16 (ability data 2 location for above jal ) 0018b728: 9202000b lbu r2,0x000b(r16) |r2 = Load Ability Inflict Status ID (from ability table) 0018b72c: 3c018019 lui r1,0x8019 | 0018b730: a02238da sb r2,0x38da(r1) |Store status proc ID in current ability data section 0018b734: 3c028019 lui r2,0x8019 | 0018b738: 904238f3 lbu r2,0x38f3(r2) |r2 = Current ability ability flag 1 0018b73c: 92100008 lbu r16,0x0008(r16) |r16 = Ability Formula (from ability table) 0018b740: 30420024 andi r2,r2,0x0024 |r2 = check result for "weapon strike" and "ranged weapon" flags 0018b744: 1440005e bne r2,r0,0x0018b8c0 # If r2 = 0x00 (none of the above checked) /// Branch if Weapon Range or Weapon Strike to get formula address, using the spell's formula 0018b748: 320200ff andi r2,r16,0x00ff |r2 = Ability formula (= r16) 0018b74c: 324300ff andi r3,r18,0x00ff |r3 = Action Menu of used skillset 0018b750: 34020007 ori r2,r0,0x0007 |r2 = 0x07 0018b754: 1062005a beq r3,r2,0x0018b8c0 #If action menu <> Katana inventory /// Branch if Action Menu = Draw Out 0018b758: 320200ff andi r2,r16,0x00ff |r2 = Ability formula 0018b75c: 3c018019 lui r1,0x8019 | 0018b760: a02038d8 sb r0,0x38d8(r1) |Store current ability Used Weapon ID as 0x00 (not ranged weapon - not weapon strike - not draw out) 0018b764: 08062e2f j 0x0018b8bc > Jump to last section 0018b768: 00000000 nop #E #E> Jump to last section (by branch above) Item section 0018b76c: 93a70018 lbu r7,0x0018(r29) |r7 = Used Item/Weapon ID 0018b770: 00000000 nop | 0018b774: 2ce200f0 sltiu r2,r7,0x00f0 |r2 = 0x01 if Item used is < at Potion / Else 0x00 0018b778: 14400050 bne r2,r0,0x0018b8bc # If r2 = 0x00 / Else branch to last section ////Branch if an item is not used for this ability 0018b77c: 34100001 ori r16,r0,0x0001 |r16 = 0x01 0018b780: 3c048019 lui r4,0x8019 | 0018b784: 248438d8 addiu r4,r4,0x38d8 |r4 = Current ability Used Weapon ID location (0x801938d8) 0018b788: a0870000 sb r7,0x0000(r4) |Store used item ID in Current ability Used weapon ID 0018b78c: 24e70010 addiu r7,r7,0x0010 |r7 = Used Item ID + 0x10 0018b790: 24840018 addiu r4,r4,0x0018 |r4 = Current ability - Ability range location (0x801938f0) 0018b794: 30e200ff andi r2,r7,0x00ff |r2 = r7 last byte (Used item ID + 0x10 : for potion F0 +0x10 = 0x100 then 0x0100 and 0x00FF = 0x00) 0018b798: 00028040 sll r16,r2,0x01 |r16 = r7*2 0018b79c: 02028021 addu r16,r16,r2 |r16 = r7*3 / 0x00 (for potion) to 0x27 (for phoenix down) 0018b7a0: 3c028006 lui r2,0x8006 | 0018b7a4: 24423f98 addiu r2,r2,0x3f98 |r2 = 0x80063f98 Items Secondary Data Table 0018b7a8: 02028021 addu r16,r16,r2 |r16 = 0x80063f98 + (0x00 to 0x27) = Used item secondary table adress 0018b7ac: 3c018019 lui r1,0x8019 | 0018b7b0: a02738db sb r7,0x38db(r1) |Store r7 last byte current ability used Item ID (0x00 to 0x13) 0018b7b4: 92020002 lbu r2,0x0002(r16) |r2 = used Item's inflicted Status 0018b7b8: 3c018019 lui r1,0x8019 | 0018b7bc: a02238da sb r2,0x38da(r1) |Store status proc of item 0018b7c0: 0c017991 jal 0x0005e644 --> Data_Nullifying nullify data from r4 (Current ability range) to r4 + r5 (0x801938e6 curent ability flags 4) 0018b7c4: 3405000e ori r5,r0,0x000e |r5 = 0x0e (limit) 0018b7c8: 92100000 lbu r16,0x0000(r16) |r16 = used Item formula 0018b7cc: 08062e30 j 0x0018b8c0 > Jump to last section /// Get formula address of item formula 0018b7d0: 320200ff andi r2,r16,0x00ff |r2 = used Item formula #E jump to last section (by branch) Throw Section 0018b7d4: 08062e2f j 0x0018b8bc >Get formula address with formula = 0x63 0018b7d8: 34100063 ori r16,r0,0x0063 |r16 = 0x63 Jump Section 0018b7dc: 08062e2f j 0x0018b8bc >Get formula address with formula = 0x64 0018b7e0: 34100064 ori r16,r0,0x0064 |r16 = 0x64 Charge Section 0018b7e4: 97a30012 lhu r3,0x0012(r29) |r3 = Attacker last used attack ID /// Loads ability ID? 0018b7e8: 00000000 nop | 0018b7ec: 2462fe6a addiu r2,r3,0xfe6a |r2 = ability ID - 196 (Note : Charge+1 ID = 0x0196) 0018b7f0: 2c420008 sltiu r2,r2,0x0008 |r2 = 0x01 if r2 < 8 / Else 0x00 : r2 =0x01 if used attack is a charge+x ability /// set true if ability ID - 196 is less than 8 0018b7f4: 14400003 bne r2,r0,0x0018b804 #If r2 = 0x00 (not a charge+x ability) 0018b7f8: 00031040 sll r2,r3,0x01 |r2 = r3*2 (charge + x ID*2) 0018b7fc: 34030196 ori r3,r0,0x0196 |r3 = 0x0196 (Charge + 1 ID) 0018b800: 00031040 sll r2,r3,0x01 |r2 = charge+1 ID *2 0018b804: 3c018006 lui r1,0x8006 | 0018b808: 00220821 addu r1,r1,r2 |r1 = 8006XXXX (XXXX = Ability ID * 2) 0018b80c: 90220d19 lbu r2,0x0d19(r1) |r2 = Charge Power boost (tricky, using ability ID... maths checked in patcher) 0018b810: 3c018019 lui r1,0x8019 | 0018b814: a02238e4 sb r2,0x38e4(r1) |Store Charge Power boost in current ability charge power !! Charge section don't avoid the attack section Attack Section 0018b818: 3c028019 lui r2,0x8019 0018b81c: 904238ff lbu r2,0x38ff(r2) |r2 = current ability Weapon Characteristics 0018b820: 92300002 lbu r16,0x0002(r17) |r16 = used weapon formula (r17 = start of used weapon data 2 - see 0018b52c) 0018b824: 30420004 andi r2,r2,0x0004 |r2 = 0x04 if weapon used is available to 2 hands - Else 0x00 0018b828: 10400025 beq r2,r0,0x0018b8c0 #If 2 hands enabled /Else jump to last section /// Branch if 2h is not active 0018b82c: 320200ff andi r2,r16,0x00ff |r2 = used weapon formula 0018b830: 3c038019 lui r3,0x8019 | 0018b834: 8c632d94 lw r3,0x2d94(r3) |r3 = Attacker's Data pointer 0018b838: 00000000 nop | 0018b83c: 90620091 lbu r2,0x0091(r3) |r2 = Attacker third set of support 0018b840: 00000000 nop | 0018b844: 30420002 andi r2,r2,0x0002 |r2 = 0x02 if using two hands / else 0x00 0018b848: 1040001c beq r2,r0,0x0018b8bc #If using two hands / else go to last section /// Branch if not using Two Hands 0018b84c: 340200ff ori r2,r0,0x00ff |r2 = 0xff 0018b850: 9064001d lbu r4,0x001d(r3) |r4 = Attacker Right Hand Weapon ID 0018b854: 00000000 nop | 0018b858: 14820009 bne r4,r2,0x0018b880 #If weapon ID = 0xFF (do not exist ? 2Hands flag ?) /// Branch if Right hand weapon exists 0018b85c: 00000000 nop | 0018b860: 9062001e lbu r2,0x001e(r3) |r2 = right hand shield /// Load Left Hand Weapon 0018b864: 00000000 nop 0018b868: 14440005 bne r2,r4,0x0018b880 #If right hand shield ID = right weapon ID (is 0xFF)/// if Left hand weapon Exists 0018b86c: 34020001 ori r2,r0,0x0001 |r2 = 0x01 0018b870: 3c018019 lui r1,0x8019 | 0018b874: a02238d9 sb r2,0x38d9(r1) |Store Two Hands as active 0018b878: 3c038019 lui r3,0x8019 | 0018b87c: 8c632d94 lw r3,0x2d94(r3) |r3 = Attacker's Data pointer 0018b880: 00000000 nop | 0018b884: 9064001f lbu r4,0x001f(r3) |r4 = Left Hand Weapon ID 0018b888: 340200ff ori r2,r0,0x00ff |r2 = 0xFF 0018b88c: 1482000c bne r4,r2,0x0018b8c0 #If Left hand weapon ID = 0xFF / Else go to last section ///Branch if Left Hand Weapon Does exist 0018b890: 320200ff andi r2,r16,0x00ff |r2 = used weapon formula 0018b894: 90620020 lbu r2,0x0020(r3) |r2 = Left hand shield 0018b898: 00000000 nop | 0018b89c: 14440008 bne r2,r4,0x0018b8c0 #If Left hand shield ID = 0xFF / Else go to last section /// Branch if Right Hand Weapon does exist 0018b8a0: 320200ff andi r2,r16,0x00ff |r2 = move ability formula into r2 weapon formula 0018b8a4: 34020001 ori r2,r0,0x0001 |r2 = 1 0018b8a8: 3c018019 lui r1,0x8019 | 0018b8ac: a02238d9 sb r2,0x38d9(r1) |Store 0x01 in 801938d9 (2 Hands active) /// Store Two Hands as forced 0018b8b0: 08062e30 j 0x0018b8c0 > Jump to last section if not using any weapons, use formula 0x1 0018b8b4: 320200ff andi r2,r16,0x00ff |r2 = Weapon formula Blank, Defend, Equip change Section 0018b8b8: 34100001 ori r16,r0,0x0001 r16 = 0x01 formula for equip change is 0x1 lol 0018b8bc: 320200ff andi r2,r16,0x00ff #J# r2 = r16 (suposed to be weapon Load Ability formula into r2. every skillset refers here after deciding formula, except for attack and charge if using two hands (Jump from default avoiding draw out check) 0018b8c0: 3c018019 lui r1,0x8019 #J# two-hands attack/charge links here 0018b8c4: a42038c8 sh r0,0x38c8(r1) Store 0x00 in current ability 0x38c8 Spell Proc Ability ID / reaction stuff ? 0018b8c8: 3c018019 lui r1,0x8019 0018b8cc: a02038ed sb r0,0x38ed(r1) Store 0x00 in current ability 0x38ed (fall related ? poach ?) /// Zero post-attack effects (not poach or fall damage?) 0018b8d0: 10400003 beq r2,r0,0x0018b8e0 #If r2 <> 0x00 (supposed to host formula ID /// branch if attack formula is 0 0018b8d4: 2c420065 sltiu r2,r2,0x0065 |r2 = 0x01 if formula ID <= 0x64 / Else 0x00 /// set r2 to true if formula is less than 0x64 0018b8d8: 14400002 bne r2,r0,0x0018b8e4 #If formula ID > 0x64 /// branch if formula is between 0x1 and 0x64 (exclusive) 0018b8dc: 00000000 nop | 0018b8e0: 34100001 ori r16,r0,0x0001 E# |r16 = 0x01 0018b8e4: 3c058019 lui r5,0x8019 E# 0018b8e8: 24a538da addiu r5,r5,0x38da r5 = 0x801938da (Current Ability proc ID) /// Load Weapon Proc Location 0018b8ec: 90a70000 lbu r7,0x0000(r5) r7 = Ability proc ID 0018b8f0: 321100ff andi r17,r16,0x00ff r17 = Ability formula 0018b8f4: 34020003 ori r2,r0,0x0003 r2 = 0x03 0018b8f8: 16220002 bne r17,r2,0x0018b904 #If Formula = 0x03 ///Branch if formula isn't 0x3 0018b8fc: 24a5002c addiu r5,r5,0x002c r5 = 0x80193906 (inflicting status type location) 0018b900: 00003821 addu r7,r0,r0 |r7 = 0x00 (Force status ID to 0x00 for next Jal) 0018b904: 30e200ff andi r2,r7,0x00ff r2 = Ability proc ID 0018b908: 00022040 sll r4,r2,0x01 r4 = r2 * 2 0018b90c: 00822021 addu r4,r4,r2 r4 = r4 + r2 (r2 * 3) 0018b910: 00042040 sll r4,r4,0x01 r4 = r4 * 2 (r2*6) 0018b914: 3c028006 lui r2,0x8006 0018b918: 24423fc4 addiu r2,r2,0x3fc4 r2 = 0x80063fc4 (Start of inflict statuses table) 0018b91c: 00822021 addu r4,r4,r2 r4 = start of Ability Status Proc ID Table 0018b920: 0c017895 jal 0x0005e254 --> Store_X_Byte_into_Y Store Status ID information at 0x80193906 - 0x8019390b (Current ability satuts section) 0018b924: 34060006 ori r6,r0,0x0006 r6 = 0x06 (limit for above) 0018b928: 0c062e7e jal 0x0018b9f8 --> Remove_Status if status type is cancel - store statuses at 0x80193860 to 0x80193864 0018b92c: 00000000 nop 0018b930: 3c018019 lui r1,0x8019 0018b934: a03038e5 sb r16,0x38e5(r1) Store r16 in current Ability formula 0018b938: 0c063279 jal 0x0018c9e4 --> 'Reflect',_Blade_Grasp,_and_Arrow_Guard - Set hit flag to 0x00 if succeed 0018b93c: 00000000 nop 0018b940: 3c028019 lui r2,0x8019 0018b944: 8c422d90 lw r2,0x2d90(r2) r2 = Target Current Action Data Pointer 0018b948: 00000000 nop 0018b94c: 90420000 lbu r2,0x0000(r2) r2 = Target Current Action Hit Flag 0018b950: 00000000 nop 0018b954: 14400003 bne r2,r0,0x0018b964 If Attack missed / Branch if attack hit 0018b958: 00111080 sll r2,r17,0x02 r2 = Ability formula ID * 2 into r2 0018b95c: 08062e77 j 0x0018b9dc > Jump to end (if Attack Missed) 0018b960: 34020001 ori r2,r0,0x0001 |r2 = 0x01 0018b964: 3c018019 lui r1,0x8019 0018b968: 00220821 addu r1,r1,r2 r1 = 0x801900xx (xx = Formula ID) 0018b96c: 8c22f610 lw r2,-0x09f0(r1) Load Formula Table 0018b970: 00000000 nop 0018b974: 0040f809 jalr r2,r31 --> Jumps to appropriate formula Formulas 0018b978: 00000000 nop 0018b97c: 2e220007 sltiu r2,r17,0x0007 r2 = 0x01 if formula ID <= 0x06 0018b980: 10400004 beq r2,r0,0x0018b994 #If Formula <= 0x06 0018b984: 34020064 ori r2,r0,0x0064 r2 = 0x64 0018b988: 0c061f28 jal 0x00187ca0 --> Formula_01_-_06_Aftermath (Contains poach and secret hunt) 0018b98c: 00000000 nop | 0018b990: 34020064 ori r2,r0,0x0064 |r2 = 0x64 0018b994: 16220003 bne r17,r2,0x0018b9a4 #If Formula ID = 0x64 0018b998: 00000000 nop | 0018b99c: 3c018019 lui r1,0x8019 | 0018b9a0: a02038d8 sb r0,0x38d8(r1) |Store 0x00 in Current ability used weapon ID 0018b9a4: 0c062e91 jal 0x0018ba44 --> Set_some_data_for_current_attack 0018b9a8: 00000000 nop 0018b9ac: 3c038019 lui r3,0x8019 0018b9b0: 8c632d90 lw r3,0x2d90(r3) |r3 = Target Current Action Data Pointer 0018b9b4: 00000000 nop 0018b9b8: 94620010 lhu r2,0x0010(r3) |r2 = Target Current Action Special Action Flags 0018b9bc: 00000000 nop 0018b9c0: 10400006 beq r2,r0,0x0018b9dc #If There are specials flags 0018b9c4: 00001021 addu r2,r0,r0 r2 = 0x00 (why are we setting r2 to 0 if we're branch if its already 0?) 0018b9c8: 90620025 lbu r2,0x0025(r3) |r2 = Target Current Action attack-type 0018b9cc: 00000000 nop | 0018b9d0: 34420001 ori r2,r2,0x0001 |Update r2 with 0x01 0018b9d4: a0620025 sb r2,0x0025(r3) |Store attack-type as Pseudo-Status change 0018b9d8: 00001021 addu r2,r0,r0 |r2 = 0x00 0018b9dc: 8fbf0034 lw r31,0x0034(r29) End 0018b9e0: 8fb20030 lw r18,0x0030(r29) 0018b9e4: 8fb1002c lw r17,0x002c(r29) 0018b9e8: 8fb00028 lw r16,0x0028(r29) 0018b9ec: 27bd0038 addiu r29,r29,0x0038 0018b9f0: 03e00008 jr r31 0018b9f4: 00000000 nop
Return Locations:
0017d0bc: Main ability loading routine? 0017f284: Calculate Projected Action Effect 0018ada8: Double WP if two hands is equipped?
Short Summary
Need r4 = Attacker data pointer / r5 = defender ID ------------------------------------- Set various section of current ability / current action data - Store defender ID in Current Ability data at 0x801938c1 Store defender data start location in 0x80192d98 Store defender current action data pointer at 0x80192d90 - Store attacker ID in Current Ability data (at 0x801938c0) Store Attacker current action data pointer at 0x80192d8c Store attacker data start location in 0x80192d94 - Exit here if Fall Damage or some reactions checked in Perform_reaction_abilities (at this point, formula is nullified) - Store defender terrain type at 0x801938cd Store Used weapon ID at 0x801938d8 Store used Ability ID at 0x801938d6 - Copy used Ability Data 2 into current ability section (0x801938F0 to 0x801938FD) Copy used Weapon Data 2 into current ability section (0x801938FE to 0x80193805) - Store Status/Proc ID at 0x801938da store attacker faith at 0x801938d3 store defender faith at 0x801938d2 - Nullify attacker and defender most of current action data Action_data_nulling - Store used skillset at 0x801938d4 Nullify 0x801938c6 (reaction ability ID) - Store data in Current action 0x18 (evade with motion - missed Vs guarded) - Update/disable some of the previous according to action menu / frog check - Enable or disable two hands at 0x801938d9 Enable or not charge power at 0x801938e4 Nullify 0x801938c8 Nullify 0x801938ed - Store inflicted status from 0x80193906 to 0x8019390b Note : formula 0x03 is forced to inflicted stauts ID 0x00 If inflicted status is cancel : store statuses sets from 0x80193860 to 0x80193864 - Store formula at 0x801938e5 Jump to formula routine --not revised from here-- Formula_01_-_06_Aftermath If formula = 0x64 : nullify used weapon ID Set_some_data_for_current_attack Update current action type with pseudo status enabled -
Long summary
Need r4 = Attacker data pointer / r5 = defender ID --------------- Copy_Byte_Data_(20_Bytes) Copy attacker data on tempory stack - Store defender ID in Current Ability data at 0x801938c1 Store defender data start location in 0x80192d98 Store defender current action data pointer at 0x80192d90 - Formula set to 0x00 at 0x8019390e Store attacker ID in Current Ability data (at 0x801938c0) Store 0x80192da0 at 0x80192d8c = Attacker current action data pointer Store attacker data start location in 0x80192d94 - Check 0x8018f5f0 (type of action) - if = 0x01 (= reacting ?) --> Jal Perform_reaction_abilities (Action_data_nulling if r2 <>0x00 to be looked further) - If r2 <> 0 : Store_used_weapon(0x801938d8) and exit directly (formula ste to 0x00) - If r2 = 0x00 : Continue (clearly reflect with 0x01 flaged - maybe others) Check 0x801938ed (post action byte ?) - if = 0x80 --> Knockback? - Call Action_data_nulling - Update 0x801938ed removing 0x80 - Store Target current action > Attack type = pseudo status (0x01) +/- Hp damage (0x80) > HP damage - Exit routine directly (formula set to 0x00) Jal Map_Location_Calculation Store defender terrain type at 0x801938cd - Check 0x801938c3 (strike counter ?) xxxxxx If = 0x00 : Right hand weapon stored as used weapon 0x801938d8 If != 0x00 : Left hand weapon stored as used weapon 0x801938d8 Check Attacker last skillset used If draw out :Used item (katana) stored as used weapon 0x801938d8 Check loaded Weapon/Item ID (right or left equipped) If < 0x80 (beginning of shields - End of weapon/throwable) --> store 0x00 as used Weapon ID at 0x801938d8 Store Used weapon ID at 0x801938d8 Store used Ability ID at 0x801938d6 Nullify Two Hands @@@ Check Used Ability If >= Hi-potion (potion included ?) --> Ability ID = 0x00 Copy used Ability Data 2 into current ability section (0x801938F0 to 0x801938FD) Copy used Weapon data 2 into current ability section (0x801938FE to 0x80193805) - Nullify charge power Set Formula to 0x01 Store Status/Proc ID at 0x801938da store attacker faith at 0x801938d3 store defender faith at 0x801938d2 - Action_data_nulling Nullify attacker and defender most of current action data -keep reaction ID at 0x0e - last attack received at 0x26 - 0x27 ? - from 2a to end -set hit% at 100% -set Target action hit flag to 0x01 and attacker's to 0x00 -Set status infliction and removal bytes to 0x00 -set 0x80193860 to 0x80193864 to 0x00 - Store used skillset at 0x801938d4 - Check 0x801938c8 (Reaction ? Proc ?) -If <>0x00 - load reaction ID (0x801938c6) and store it at 0x801938d6 (Used ability ID)- Nullify 0x801938c6 (reaction ability ID) Store 0x01 or 0x02 in TCAD 0x18 after checking first AI byte (target ennemies or allies --> "guarded" or "missed" Update TCADP 0x18 with evade with motion if checked - Check action menu (loaded from used skillset) If = katana inventory : ability ID is updated from used item ID (katana) + 0x26 (offset between katanas ID and ability) - but why ? - Check action menu If < defend (not defend / equip change) load return adress for specifics sections of the routine Else jump in the defend/equip change section : set formula to 0x01 > Geomancy section Get_Elemental_Ability_ID Hardcoding Ability ID from target terrain type continues in next section > Default, Math, Monster, Katana section Check Ability ID - If < Hi Potion : Check If Attacker is a frog - If Frog : check 0x801938c8 (reaction ? proc ?) - If = 0x00 : store 0x00 in used weapon id (0x801938d8) copy null weapon data 2 into current ability section (0x801938FE to 0x80193805) Copy used Ability Data 2 into current ability section (0x801938F0 to 0x801938FD) Check for weapon strike and ranged weapon - if none : check action menu for drawout - If not draw out : nullify used weapon ID at 0x801938d8 Avoid others action menus sections > Item section Check used item ID (on temporary stack) - If it's >= Potion ID : Store Item ID in used weapon ID at 0x801938d8 Store used item ID (0x00 to 0x27) at 0x801938db Store Item inflicted status in statu/proc ID at 0x801938da Avoid others action menu sections > Throw section Set formula to 0x63 Avoid others action menu section > Jump section Set formula to 0x64 Avoid others action menu section > Charge section Check used ability ID - If not a charge ability : charge power = charge +1 - Store charge power at 0x801938e4 > Attack section Check Two hands availability and usability if ok store 0x01 at 0x801938d9 > Blank, Defend, Equip change section Set formula to 0x01 (Back to global routine) Nullify 0x801938c8 Nullify 0x801938ed Check ability ID : if = 0x03 --> Force Status ID to 0x00 Store_X_Byte_into_Y - Store Inflicted Status data in current ability section (0x80193906 to 0x8019390B) Remove_Status - if status type is cancel - store statuses at 0x80193860 to 0x80193864 - Store Formula at 0x801938e5 'Reflect',_Blade_Grasp,_and_Arrow_Guard - Set hit flag to 0x00 if succeed If attack missed : jump to end Jump to formulas routines (via formula table) -- Not clearly investigated from here-- Check formula If <= 0x06 Formula_01_-_06_Aftermath If = 0x64 : nullify used weapon ID at 0x8019 38d8 Set_some_data_for_current_attack Check specials flags (current action data 0x10) - If any : update action type (current action 0x25)with 0x01 (pseudo status)
