Math Skill targeting calculations

# BATTLE.BIN offset 0x114680
# this is the code that performs calculations for math skill targeting
# prime numbers are located at SCUS_942.21 offset 0x56998

# check that it is a prime number
00114680:    32220008 andi r2,r17,0x0008        # r17 contains the flag of the current math skill operation
00114684:    1040000e beq r2,r0,0x001146c0      # proceed to "divisible by 5" section
00114688:    00003021 addu r6,r0,r0
0011468c:    00001821 addu r3,r0,r0
00114690:    00a02021 addu r4,r5,r0
00114694:    3c018006 lui r1,0x8006
00114698:    00230821 addu r1,r1,r3
0011469c:    90226198 lbu r2,0x6198(r1)         # read prime numbers from memory address 0x66198
001146a0:    00000000 nop
001146a4:    10440026 beq r2,r4,0x00114740      # success!
001146a8:    24630001 addiu r3,r3,0x0001
001146ac:    28620036 slti r2,r3,0x0036
001146b0:    10400024 beq r2,r0,0x00114744      # failure...
001146b4:    00000000 nop
001146b8:    0805eda5 j 0x00114694              # try the next number in the prime number table
001146bc:    00000000 nop

# check that it is divisible by 5
001146c0:    32220004 andi r2,r17,0x0004
001146c4:    1040000b beq r2,r0,0x001146f4      # proceed to "divisible by 4" section
001146c8:    3c02cccc lui r2,0xcccc
001146cc:    3442cccd ori r2,r2,0xcccd
001146d0:    00a20019 multu r5,r2
001146d4:    00001810 mfhi r3
001146d8:    00031882 srl r3,r3,0x02
001146dc:    00031080 sll r2,r3,0x02
001146e0:    00431021 addu r2,r2,r3
001146e4:    00a21023 subu r2,r5,r2
001146e8:    304200ff andi r2,r2,0x00ff
001146ec:    10400014 beq r2,r0,0x00114740      # success!
001146f0:    00000000 nop

# check that it is divisible by 4
001146f4:    32220002 andi r2,r17,0x0002
001146f8:    10400003 beq r2,r0,0x00114708      # proceed to "divisible by 3" section
001146fc:    30820003 andi r2,r4,0x0003
00114700:    1040000f beq r2,r0,0x00114740      # success!
00114704:    00000000 nop

# check that it is divisible by 3
00114708:    32220001 andi r2,r17,0x0001
0011470c:    1040000d beq r2,r0,0x00114744      # failure...
00114710:    3c02aaaa lui r2,0xaaaa
00114714:    3442aaab ori r2,r2,0xaaab
00114718:    308400ff andi r4,r4,0x00ff
0011471c:    00820019 multu r4,r2
00114720:    00001810 mfhi r3
00114724:    00031842 srl r3,r3,0x01
00114728:    00031040 sll r2,r3,0x01
0011472c:    00431021 addu r2,r2,r3
00114730:    00822023 subu r4,r4,r2
00114734:    308400ff andi r4,r4,0x00ff
00114738:    14800002 bne r4,r0,0x00114744      # failure...
0011473c:    00000000 nop

00114740:    34060001 ori r6,r0,0x0001          # success!
00114744:    10c0000b beq r6,r0,0x00114774
00114748:    00000000 nop
0011474c:    0c060428 jal 0x0011a0a0