Compatibility
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No Parameters - Return Nothing #secondadvent Compatibility patch Determine Compatibility (see Notes) Modify Ability XA ( 0x801938ce ) if needed - Bad : XA = 75% of base XA - Worst : XA = 50% of base XA - Good : XA = 125% of base XA - Best : XA = 150% of base XA ---------------------------------------------------------------------------------------------------------------- 00184964: 27bdfff8 addiu r29,r29,-0x0008 | 00184968: 3406000c ori r6,r0,0x000c |r6 = 0x0c 0018496c: 3c028019 lui r2,0x8019 | 00184970: 8c422d94 lw r2,0x2d94(r2) |r2 = Attacker's Data Pointer 00184974: 3c038019 lui r3,0x8019 | 00184978: 8c632d98 lw r3,0x2d98(r3) |r3 = Target's Data Pointer 0018497c: 94420008 lhu r2,0x0008(r2) |r2 = Attackers [0x08] & Zodiac (halfword) 00184980: 94630008 lhu r3,0x0008(r3) |r2 = Target's [0x08] & Zodiac (halfword) 00184984: 00022302 srl r4,r2,0x0c |r4 = Attacker's Zodiac (Nibble) Taurus is 0x1 - Serpentarius is 0xc 00184988: 00031b02 srl r3,r3,0x0c |r3 = Target's Zodiac 0018498c: 00802821 addu r5,r4,r0 |r5 = Attacker's Zodiac 00184990: 10a60061 beq r5,r6,0x00184b18 #If Attacker's Zodiac is Serpentarius /Branch to END 00184994: 00601021 addu r2,r3,r0 |r2 = Target's Zodiac 00184998: 3042ffff andi r2,r2,0xffff |r2 = Target's Zodiac 0018499c: 1046005e beq r2,r6,0x00184b18 #Branch if Target is Serpentarius /Branch to END 001849a0: 0045102b sltu r2,r2,r5 |r2 = 0x01 001849a4: 14400002 bne r2,r0,0x001849b0 #If Target's Sign is lower than Attacker's 001849a8: 00831023 subu r2,r4,r3 |r2 = Attacker's Zodiac - Target's Zodiac (Zodiac Difference) 001849ac: 00641023 subu r2,r3,r4 |r2 = Target's Zodiac - Attacker's Zodiac (Zodiac Difference) 001849b0: 3042ffff andi r2,r2,0xffff |r2 = Zodiac difference 001849b4: 3c018019 lui r1,0x8019 | 001849b8: 00220821 addu r1,r1,r2 |r1 = 80190000 + Zodiac difference (offset) 001849bc: 9024f600 lbu r4,-0x0a00(r1) |r4 = Compat Modifier (0x8018f600 + Zodiac difference) 001849c0: 34020003 ori r2,r0,0x0003 |r2 = 0x03 001849c4: 308300ff andi r3,r4,0x00ff |r3 = Compat Modifier 001849c8: 14620015 bne r3,r2,0x00184a20 #If Compat Mod is Best/Worst /Else Branch keeping r4 as loaded 001849cc: 00000000 nop | 001849d0: 3c028019 lui r2,0x8019 | 001849d4: 8c422d94 lw r2,0x2d94(r2) |r2 = Attacker's Data Pointer 001849d8: 00000000 nop | 001849dc: 90430006 lbu r3,0x0006(r2) |r3 = Attacker's Gender byte 001849e0: 00000000 nop | 001849e4: 30620020 andi r2,r3,0x0020 |r2 = 0x20 if Attacker is a Monster 001849e8: 1440000d bne r2,r0,0x00184a20 #If Attacker is a not Monster /If Monster Branch (keeping r4 = 0x01) 001849ec: 34040001 ori r4,r0,0x0001 |r4 = 0x01 (Bad Compat Mod) 001849f0: 3c028019 lui r2,0x8019 | 001849f4: 8c422d98 lw r2,0x2d98(r2) |r2 = Target data pointer 001849f8: 00000000 nop | 001849fc: 90450006 lbu r5,0x0006(r2) |r5 = Target's Gender byte 00184a00: 00000000 nop | 00184a04: 30a20020 andi r2,r5,0x0020 |r2 = 0x20 <if Target is a monster 00184a08: 14400005 bne r2,r0,0x00184a20 #If Target is not a Monster /If Monster Branch (keeping r4 = 0x01) 00184a0c: 306300c0 andi r3,r3,0x00c0 |r3 = Attacker's Gender (0x80 or 0x40) 00184a10: 30a200c0 andi r2,r5,0x00c0 |r3 = Target's Gender (0x80 or 0x40) 00184a14: 14620002 bne r3,r2,0x00184a20 #If Target and Attacker are of the same gender /If Different gender Branch (keeping r4 = 0x05) 00184a18: 34040005 ori r4,r0,0x0005 |r4 = 0x05 (Best Compat Mod) 00184a1c: 34040004 ori r4,r0,0x0004 |r4 =0x04 (Worst Compat Mod) 00184a20: 3c078019 lui r7,0x8019 | 00184a24: 24e738ce addiu r7,r7,0x38ce |r7 = 0x801938ce (Ability XA pointer) 801938ce 00184a28: 84e20000 lh r2,0x0000(r7) |r2 = Ability XA 00184a2c: 00000000 nop | 00184a30: 00021840 sll r3,r2,0x01 |XA * 2 00184a34: 00621821 addu r3,r3,r2 |XA * 3 00184a38: 000318c0 sll r3,r3,0x03 |XA * 24 00184a3c: 00622821 addu r5,r3,r2 |r5 = Ability XA * 25 00184a40: 00403021 addu r6,r2,r0 |r6 = Ability XA 00184a44: 308300ff andi r3,r4,0x00ff |r3 = Compat Mod (0x00 - 0x01 - 0x02 - 0x04 or 0x05) 00184a48: 34020002 ori r2,r0,0x0002 |r2 = 0x02 00184a4c: 1062000f beq r3,r2,0x00184a8c #If Compat mod is NOT Good (<> 0x02) /If Compat Mod is Good branch to XA Good section 00184a50: 30a2ffff andi r2,r5,0xffff |r2 = XA * 25 00184a54: 28620003 slti r2,r3,0x0003 |r2 = 0x01 if Compat is Neutral or Bad 00184a58: 10400005 beq r2,r0,0x00184a70 #If Compat Mod is Neutral or Bad 00184a5c: 34020001 ori r2,r0,0x0001 |r2 =0x01 00184a60: 10620018 beq r3,r2,0x00184ac4 #If Compat Mod is Neutral (by default) /If Compat Mod is Bad branch to XA Bad section 00184a64: 3c0351eb lui r3,0x51eb | 00184a68: 080612bf j 0x00184afc >>Jump past XA modification (just checking XA > 0x00) 00184a6c: 00000000 nop | 00184a70: 34020004 ori r2,r0,0x0004 |r2 = 0x04 00184a74: 10620019 beq r3,r2,0x00184adc #If Compat Mod is not Worst /If Compat is Worst branch to XA worst section 00184a78: 34020005 ori r2,r0,0x0005 |r2 = 0x05 00184a7c: 1062000a beq r3,r2,0x00184aa8 #If Compat Mod is not Best /If Compat is Best branch to XA best section 00184a80: 3c0351eb lui r3,0x51eb | 00184a84: 080612bf j 0x00184afc >>Jump past XA modification (just checking XA > 0x00) 00184a88: 00000000 nop | -- Modify XA : GOOD section -- 00184a8c: 3c0351eb lui r3,0x51eb | 00184a90: 3463851f ori r3,r3,0x851f |r3 = 0x51eb851f (0,32 * 2^32) 00184a94: 00430019 multu r2,r3 |XA * 25 * 0.32 * 2^32 00184a98: 00001010 mfhi r2 |r2 = XA * 8 (XA * 25 * 0.32) 00184a9c: 00021142 srl r2,r2,0x05 |r2 = XA / 4 00184aa0: 080612be j 0x00184af8 >>Jump to Store XA section (XA = 125% of base XA) 00184aa4: 00c21021 addu r2,r6,r2 |r2 = XA + XA / 4 (XA*5/4) -- Modify XA : BEST section -- 00184aa8: 3463851f ori r3,r3,0x851f |r3 = 0x51eb851f (0,32 * 2^32) 00184aac: 30a2ffff andi r2,r5,0xffff |r2 = XA*25 00184ab0: 00430019 multu r2,r3 |XA * 25 * 0.32 * 2^32 00184ab4: 00001010 mfhi r2 |r2 = XA * 8 (XA * 25 * 0.32) 00184ab8: 00021102 srl r2,r2,0x04 |r2 = XA / 2 00184abc: 080612be j 0x00184af8 >>Jump to Store XA section (XA = 150% of base XA) 00184ac0: 00c21021 addu r2,r6,r2 |r2 = XA + XA / 2 (XA * 3/2) -- Modify XA : BAD section -- 00184ac4: 3463851f ori r3,r3,0x851f |r3 = 0x51eb851f (0,32 * 2^32) 00184ac8: 30a2ffff andi r2,r5,0xffff |r2 = Ability XA *25 00184acc: 00430019 multu r2,r3 |XA * 25 * 0.32 * 2^32 00184ad0: 00001010 mfhi r2 |r2 = Ability XA *8 00184ad4: 080612bd j 0x00184af4 >>Jump just before Store XA section (XA will be XA- 25%XA) 00184ad8: 00021142 srl r2,r2,0x05 |r2 = XA/4 -- Modify XA : WORST section -- 00184adc: 3c0351eb lui r3,0x51eb | 00184ae0: 3463851f ori r3,r3,0x851f |r3 = 0x51eb851f (0,32 * 2^32) 00184ae4: 30a2ffff andi r2,r5,0xffff |r2 = Ability XA *25 00184ae8: 00430019 multu r2,r3 |XA * 25 * 0.32 * 2^32 00184aec: 00001010 mfhi r2 |r2 = Ability XA *8 00184af0: 00021102 srl r2,r2,0x04 |r2 = XA/2 00184af4: 00c21023 subu r2,r6,r2 >j | r2 = XA - r2 (r2 = XA/4 if Bad compat Or XA/2 if Worst compat) -- ALL (Ending) section -- 00184af8: a4e20000 sh r2,0x0000(r7) >j | Store new XA (jumps from good and best section) 00184afc: 3c038019 lui r3,0x8019 >j | (Neutral jump landing site) 00184b00: 246338ce addiu r3,r3,0x38ce |r3 = Ability XA pointer 00184b04: 84620000 lh r2,0x0000(r3) |r2 = Ability XA 00184b08: 00000000 nop | 00184b0c: 1c400002 bgtz r2,0x00184b18 #If XA <= 0x00 00184b10: 34020001 ori r2,r0,0x0001 |r2 = 0x01 00184b14: a4620000 sh r2,0x0000(r3) |Store XA = 1 00184b18: 27bd0008 addiu r29,r29,0x0008 END 00184b1c: 03e00008 jr r31 00184b20: 00000000 nop
Notes
If Target or Attacker is Serpentarius Compat is Neutral Compatibility is defined by Substracting Zodiac signs Nibble : 0x01 = Taurus to 0x0c = Serpentarius Zodiac difference is used as an offset to load a byte at 0x8018f00 : Offset Value Compat 0x00 0x00 Neutral (same sign) 0x01 0x00 Neutral 0x02 0x00 Neutral 0x03 0x01 Bad 0x04 0x02 Good 0x05 0x00 Neutral 0x06 0x03 Best/Worst - drives to Gender Comparison 0x07 0x00 Neutral 0x08 0x02 Good 0x09 0x01 Bad 0x0a 0x00 Neutral 0x0b 0x00 Neutral Gender Comparison : - Monster (Target or Attacker) : Compat Mod set to 0x01 : Bad - Same Gender : Compat mod set to Worst : 0x04 - Different Gender : Compat mod set to Best : 0x05
Return Locations
Battle.bin 001865d8: Set XA + YA for Status Formulas (Stupid section) 00188628: Physical XA Modifying Statuses/Support 0018876c: Magical Support/Status/Compat 00188818: MA + X 00188870: Magical XA * YA 00188b04: Cluster of Physical Routines 00188d54: 07 Heal_(Weapon) 00189020: 0E Dmg_(Y)% Hit_F(MA+X)% 100% Status Hide Status 001898b8: 28 StealExp_(Lowest of TarCurExp & SP+Y) Hit_(SP+X)% 00189928: 29 OppositeSex: Hit_(MA+X)% 00189a4c: 2A Hit_(MA+X)% // AffectBraveOrFaith(Y) 00189e50: 33 Hit_(PA+X)% 00189eb4: 34 Heal_(PA*Y) HealMP_(PA*Y/2) 00189f28: 35 Heal_(Y)% Hit_(PA+X)% 0018a194: 42 Dmg_(PA*Y) DmgCas_(PA*Y/X) 0018a510: 51 Hit_(MA+X)% 0018a84c: 58 Generic: Set_Morbol: Hit(MA+X)%
secondadvent Compatibility patch
A rewrite thanks to SecondAdvent.
This rewrite saves a large amount of space (from 0x80184a2C to 0x80184b23) and gives freedom to change the compatibility damage changes as well as an accessory to neutralize compatibility damage.
00184964: 340600XX ori r6,r0,0x00XX r6 = Accessory ID (for Neutralization) 00184968: 3c078019 lui r7,0x8019 0018496c: 8ce22d94 lw r2,0x2d94(r7) Load Attacker's Data Pointer 00184970: 8ce32d98 lw r3,0x2d98(r7) Load Target's Data Pointer 00184974: 9045001c lbu r5,0x001c(r2) Load Attacker's Accessory ID 00184978: 9064001c lbu r4,0x001c(r3) Load Target's Accessory ID 0018497c: 10a60029 beq r5,r6,0x00184a24 Branch if Attacker has Neutralization Accessory 00184980: 3401000c ori r1,r0,0x000c r1 = 0c (Serpentarius) 00184984: 90450009 lbu r5,0x0009(r2) Load Attacker's Zodiac 00184988: 10860026 beq r4,r6,0x00184a24 Branch if Target has Neutralization Accessory 0018498c: 00052902 srl r5,r5,0x04 r5 = Attacker's Zodiac 00184990: 90640009 lbu r4,0x0009(r3) Load Target's Zodiac 00184994: 10a10023 beq r5,r1,0x00184a24 Branch if Attacker is Serpentarius 00184998: 00042102 srl r4,r4,0x04 r4 = Target's Zodiac 0018499c: 10810021 beq r4,r1,0x00184a24 Branch if Target is Serpentarius 001849a0: 0085302b sltu r6,r4,r5 001849a4: 14060002 bne r0,r6,0x001849b0 Branch if Target's Zodiac < Attacker's Zodiac 001849a8: 00a40823 subu r1,r5,r4 r1 = AZ - TZ 001849ac: 00850823 subu r1,r4,r5 r1 = TZ - AZ 001849b0: 84e538ce lh r5,0x38ce(r7) Load XA 001849b4: 00e13021 addu r6,r7,r1 001849b8: 90c6f600 lbu r6,-0x0a00(r6) Load Compat Modifier 001849bc: 34010003 ori r1,r0,0x0003 r1 = 3 (Opposing) 001849c0: 90420006 lbu r2,0x0006(r2) Load Attacker's Gender byte 001849c4: 90630006 lbu r3,0x0006(r3) Load Target's Gender byte 001849c8: 14c10009 bne r6,r1,0x001849f0 Branch if Compat Mod is not Opposing 001849cc: 00622025 or r4,r3,r2 001849d0: 30840020 andi r4,r4,0x0020 001849d4: 1480000b bne r4,r0,0x00184a04 Branch if either is a Monster 001849d8: 304200c0 andi r2,r2,0x00c0 r2 = Attacker's Gender 001849dc: 306300c0 andi r3,r3,0x00c0 r3 = Target's Gender 001849e0: 14620009 bne r3,r2,0x00184a08 Branch if Genders are Different 001849e4: 34010XXX ori r1,r0,0x0XXX r1 = XXX (best modifier) 001849e8: 08061282 j 0x00184a08 001849ec: 34010XXX ori r1,r0,0x0XXX r1 = XXX (worst modifier) 001849f0: 34010XXX ori r1,r0,0x0XXX r1 = XXX (good modifier) 001849f4: 34020002 ori r2,r0,0x0002 r2 = 2 (Good) 001849f8: 10460003 beq r2,r6,0x00184a08 Branch if they have Good compat 001849fc: 34030001 ori r3,r0,0x0001 r3 = 1 (Bad) 00184a00: 14660008 bne r3,r6,0x00184a24 Branch if they have Neutral compat 00184a04: 34010XXX ori r1,r0,0x0XXX r1 = XXX (bad modifier) 00184a08: 00250019 multu r1,r5 XA * XXX (X modifier) 00184a0c: 00002812 mflo r5 r5 = XA * XXX 00184a10: 00052a02 srl r5,r5,0x08 XA * XXX / 256 00184a14: 1ca00002 bgtz r5,0x00184a20 Branch if XA is positive 00184a18: 00000000 nop 00184a1c: 34050001 ori r5,r0,0x0001 XA = 1 00184a20: a4e538ce sh r5,0x38ce(r7) Store XA 00184a24: 03e00008 jr r31 00184a28: 00000000 nop
