Check if Unit can be Targeted

0017bdd0: 27bdffe0 addiu r29,r29,0xffe0
0017bdd4: afb00010 sw r16,0x0010(r29)
0017bdd8: 00a08021 addu r16,r5,r0		r16 = Stack Pointer
0017bddc: 000410c0 sll r2,r4,0x03		Unit ID * 8
0017bde0: 00441023 subu r2,r2,r4		ID * 7
0017bde4: 00021180 sll r2,r2,0x06		ID * 448
0017bde8: 3c038019 lui r3,0x8019
0017bdec: 246308cc addiu r3,r3,0x08cc
0017bdf0: afb10014 sw r17,0x0014(r29)
0017bdf4: 00438821 addu r17,r2,r3		r17 = Unit's Data Pointer
0017bdf8: afbf0018 sw r31,0x0018(r29)
0017bdfc: 0c060428 jal 0x001810a0		Map Location Calculation
0017be00: 02202021 addu r4,r17,r0		r4 = Unit's Data Pointer
0017be04: ae020000 sw r2,0x0000(r16)		Store Tile ID
0017be08: 92230001 lbu r3,0x0001(r17)		Load Unit's ID
0017be0c: 340200ff ori r2,r0,0x00ff
0017be10: 1062000f beq r3,r2,0x0017be50		Branch if Unit doesn't exist
0017be14: 34020001 ori r2,r0,0x0001		r2 = 1
0017be18: 92220058 lbu r2,0x0058(r17)		Load Unit's Current Statuses 1
0017be1c: 00000000 nop
0017be20: 30420044 andi r2,r2,0x0044
0017be24: 1440000a bne r2,r0,0x0017be50		Branch if Unit is a Crystal/Jumping
0017be28: 34020001 ori r2,r0,0x0001		r2 = 1
0017be2c: 92220059 lbu r2,0x0059(r17)		Load Unit's Current Statuses 2
0017be30: 00000000 nop
0017be34: 30420001 andi r2,r2,0x0001
0017be38: 14400005 bne r2,r0,0x0017be50		Branch if Unit is Treasure
0017be3c: 34020001 ori r2,r0,0x0001		r2 = 1
0017be40: 92220182 lbu r2,0x0182(r17)		Load Unit's Mount Info
0017be44: 00000000 nop
0017be48: 30420040 andi r2,r2,0x0040
0017be4c: 0002102b sltu r2,r0,r2		r2 = 1 if Unit is being Ridden
0017be50: 8fbf0018 lw r31,0x0018(r29)
0017be54: 8fb10014 lw r17,0x0014(r29)
0017be58: 8fb00010 lw r16,0x0010(r29)
0017be5c: 27bd0020 addiu r29,r29,0x0020
0017be60: 03e00008 jr r31
0017be64: 00000000 nop