Math Skill

Math Skill
00181ef0: 27bdffe8 addiu r29,r29,0xffe8
00181ef4: afbf0010 sw r31,0x0010(r29)
00181ef8: 30a500ff andi r5,r5,0x00ff
00181efc: 0c0607ce jal 0x00181f38				load skillset abilities
00181f00: 340700f0 ori r7,r0,0x00f0				check for 1st set of Math Skill
00181f04: 8fbf0010 lw r31,0x0010(r29)
00181f08: 27bd0018 addiu r29,r29,0x0018
00181f0c: 03e00008 jr r31
00181f10: 00000000 nop

00181f14: 27bdffe8 addiu r29,r29,0xffe8
00181f18: afbf0010 sw r31,0x0010(r29)
00181f1c: 30a500ff andi r5,r5,0x00ff
00181f20: 0c0607ce jal 0x 00181f38				load skillset abilities
00181f24: 3407000f ori r7,r0,0x000f				check for 2nd set of math skill
00181f28: 8fbf0010 lw r31,0x0010(r29)
00181f2c: 27bd 0018 addiu r29,r29,0x 0018
00181f30: 03e00008 jr r31
00181f34: 00000000 nop

Routine that checks math skill IDS
r7 = 0xf0 (1st set) or 0x0f (second set)
00181f38: 27bdff40 addiu r29,r29,0xff40
00181f3c: afb300b4 sw r19,0x00b4(r29)
00181f40: 00809821 addu r19,r4,r0			r19 = attacker ID
00181f44: afb000a8 sw r16,0x00a8(r29)
00181f48: 00c08021 addu r16,r6,r0			r16 = ability list address
00181f4c: afb200b0 sw r18,0x00b0(r29)
00181f50: 00009021 addu r18,r0,r0
00181f54: afb100ac sw r17,0x00ac(r29)
00181f58: 00a08821 addu r17,r5,r0			r17 = skillset
00181f5c: afb400b8 sw r20,0x00b8(r29)
00181f60: afbf00bc sw r31,0x00bc(r29)
00181f64: 0c060435 jal 0x 001810d4			Get Data Pointer
00181f68: 00e0a021 addu r20,r7,r0			r20 = PV mod
00181f6c: 10400005 beq r2,r0,0x 00181f84		branch if unit data pointer=0
00181f70: 322300ff andi r3,r17,0x00ff		r3=skillset
00181f74: 34020015 ori r2,r0,0x0015			
00181f78: 10620004 beq r3,r2,0x 00181f8c		branch if skillset = math skill
00181f7c: 2402ffff addiu r2,r0,0xffff
00181f80: a6020000 sh r2,0x0000(r16 )		store ability does not exist
00181f84: 08060811 j 0x 00182044				jump to end if skillset != math  skill
00181f88: 00001021 addu r2,r0,r0			return r2 = 0 (fail)
00181f8c: 02602021 addu r4,r19,r0			r4 = attacker ID
00181f90: 27a20060 addiu r2,r29,0x0060		
00181f94: afa20010 sw r2,0x0010(r29)
00181f98: 27a20078 addiu r2,r29,0x0078
00181f9c: afa2 0018 sw r2,0x 0018(r29)
00181fa0: 27a20090 addiu r2,r29,0x0090		
00181fa4: 34050015 ori r5,r0,0x0015
00181fa8: 27a60020 addiu r6,r29,0x0020
00181fac: 27a70048 addiu r7,r29,0x0048
00181fb0: afa00014 sw r0,0x0014(r29)
00181fb4: 0c0605f0 jal 0x 001817c0			Skillset Loading
00181fb8: afa2001c sw r2,0x001c(r29)
00181fbc: 00403021 addu r6,r2,r0
00181fc0: 10c0fff0 beq r6,r0,0x 00181f84
00181fc4: 0246102a slt r2,r18,r6
00181fc8: 1040001b beq r2,r0,0x 00182038
00181fcc: 00002821 addu r5,r0,r0
00181fd0: 3408fe62 ori r8,r0,0xfe62
00181fd4: 3c078006 lui r7,0x8006
00181fd8: 24e70eb6 addiu r7,r7,0x0eb6		ability flags
00181fdc: 27a40020 addiu r4,r29,0x0020
00181fe0: 94830000 lhu r3,0x0000(r4)		load ability
00181fe4: 00000000 nop
00181fe8: 00681021 addu r2,r3,r8			ability ID - 0x19e
00181fec: 3042ffff andi r2,r2,0xffff		
00181ff0: 2c420008 sltiu r2,r2,0x0008
00181ff4: 1040000c beq r2,r0,0x 00182028		branch if not math skill
00181ff8: 24840002 addiu r4,r4,0x0002		Temp ability list++ (stack)
00181ffc: 00031400 sll r2,r3,0x10
00182000: 00021403 sra r2,r2,0x10
00182004: 00471021 addu r2,r2,r7
00182008: 90420000 lbu r2,0x0000(r2)		load Arithmeticks flags?
0018200c: 00000000 nop
00182010: 00541024 and r2,r2,r20
00182014: 10400004 beq r2,r0,0x 00182028		branch if not 0x80
00182018: 00000000 nop
0018201c: a6030000 sh r3,0x0000(r16)		store ability to ability list
00182020: 26100002 addiu r16,r16,0x0002
00182024: 26520001 addiu r18,r18,0x0001
00182028: 24a50001 addiu r5,r5,0x0001
0018202c: 00a6102a slt r2,r5,r6
00182030: 1440ffeb bne r2,r0,0x 00181fe0
00182034: 00000000 nop
00182038: 2402ffff addiu r2,r0,0xffff
0018203c: a6020000 sh r2,0x0000(r16)		store next ability 0xff (cutoff)
00182040: 02401021 addu r2,r18,r0			return number of abilities found
00182044: 8fbf00bc lw r31,0x00bc(r29)
00182048: 8fb400b8 lw r20,0x00b8(r29)
0018204c: 8fb300b4 lw r19,0x00b4(r29)
00182050: 8fb200b0 lw r18,0x00b0(r29)
00182054: 8fb100ac lw r17,0x00ac(r29)
00182058: 8fb000a8 lw r16,0x00a8(r29)
0018205c: 27bd00c0 addiu r29,r29,0x00c0 
00182060: 03e00008 jr r31