Deals with map coordinates 3

deals with map coordinates
0018414c: 3c02800e lui r2,0x800e
00184150: 90424e9c lbu r2,0x4e9c(r2)			Load map max X coordinate
00184154: 00000000 nop
00184158: 00c20018 mult r6,r2
0018415c: 27bdffe0 addiu r29,r29,0xffe0
00184160: afb00010 sw r16,0x0010(r29)
00184164: 00008021 addu r16,r0,r0
00184168: afb10014 sw r17,0x0014(r29)
0018416c: 00008821 addu r17,r0,r0
00184170: 8fa30030 lw r3,0x0030(r29)
00184174: 00073a00 sll r7,r7,0x08
00184178: 00001012 mflo r2
0018417c: 00e23821 addu r7,r7,r2
00184180: 00e53821 addu r7,r7,r5
00184184: 000738c0 sll r7,r7,0x03
00184188: 3c028019 lui r2,0x8019
0018418c: 2442f8cc addiu r2,r2,0xf8cc
00184190: 00e23821 addu r7,r7,r2
00184194: 2c820010 sltiu r2,r4,0x0010
00184198: 1040004f beq r2,r0,0x001842d8
0018419c: afbf0018 sw r31,0x0018(r29)
001841a0: 00041080 sll r2,r4,0x02
001841a4: 3c018017 lui r1,0x8017
001841a8: 00220821 addu r1,r1,r2
001841ac: 8c2241fc lw r2,0x41fc(r1)
001841b0: 00000000 nop
001841b4: 00400008 jr r2
001841b8: 00000000 nop
001841bc: 90e20000 lbu r2,0x0000(r7)
001841c0: 3063003f andi r3,r3,0x003f
001841c4: 304200c0 andi r2,r2,0x00c0
001841c8: 00431025 or r2,r2,r3
001841cc: 080610b7 j 0x001842dc
001841d0: a0e20000 sb r2,0x0000(r7)
001841d4: 080610b7 j 0x001842dc
001841d8: a0e30001 sb r3,0x0001(r7)
001841dc: 080610b7 j 0x001842dc
001841e0: a0e30002 sb r3,0x0002(r7)
001841e4: 90e20003 lbu r2,0x0003(r7)
001841e8: 3063001f andi r3,r3,0x001f
001841ec: 08061081 j 0x00184204
001841f0: 304200e0 andi r2,r2,0x00e0
001841f4: 30630007 andi r3,r3,0x0007
001841f8: 90e20003 lbu r2,0x0003(r7)
001841fc: 00031940 sll r3,r3,0x05
00184200: 3042001f andi r2,r2,0x001f
00184204: 00431025 or r2,r2,r3
00184208: 080610b7 j 0x001842dc
0018420c: a0e20003 sb r2,0x0003(r7)
00184210: 080610b7 j 0x001842dc
00184214: a0e30004 sb r3,0x0004(r7)
00184218: 90e20005 lbu r2,0x0005(r7)
0018421c: 3063001f andi r3,r3,0x001f
00184220: 304200e0 andi r2,r2,0x00e0
00184224: 00431025 or r2,r2,r3
00184228: 080610b7 j 0x001842dc
0018422c: a0e20005 sb r2,0x0005(r7)
00184230: 90e20006 lbu r2,0x0006(r7)
00184234: 30630001 andi r3,r3,0x0001
00184238: 0806109e j 0x00184278
0018423c: 304200fe andi r2,r2,0x00fe
00184240: 30630001 andi r3,r3,0x0001
00184244: 90e20006 lbu r2,0x0006(r7)
00184248: 00031840 sll r3,r3,0x01
0018424c: 0806109e j 0x00184278
00184250: 304200fd andi r2,r2,0x00fd
00184254: 30630003 andi r3,r3,0x0003
00184258: 90e20006 lbu r2,0x0006(r7)
0018425c: 00031880 sll r3,r3,0x02
00184260: 0806109e j 0x00184278
00184264: 304200f3 andi r2,r2,0x00f3
00184268: 30630007 andi r3,r3,0x0007
0018426c: 90e20006 lbu r2,0x0006(r7)
00184270: 00031900 sll r3,r3,0x04
00184274: 3042008f andi r2,r2,0x008f
00184278: 00431025 or r2,r2,r3
0018427c: 080610b7 j 0x001842dc
00184280: a0e20006 sb r2,0x0006(r7)
00184284: 90e20007 lbu r2,0x0007(r7)
00184288: 3063000f andi r3,r3,0x000f
0018428c: 304200f0 andi r2,r2,0x00f0
00184290: 00431025 or r2,r2,r3
00184294: 080610b7 j 0x001842dc
00184298: a0e20007 sb r2,0x0007(r7)
0018429c: 0c0610be jal 0x001842f8
001842a0: 00000000 nop
001842a4: 00408821 addu r17,r2,r0
001842a8: 12200005 beq r17,r0,0x001842c0
001842ac: 340203e8 ori r2,r0,0x03e8
001842b0: 26100001 addiu r16,r16,0x0001
001842b4: 2a0203e8 slti r2,r16,0x03e8
001842b8: 1440fff8 bne r2,r0,0x0018429c
001842bc: 340203e8 ori r2,r0,0x03e8
001842c0: 16020007 bne r16,r2,0x001842e0
001842c4: 02201021 addu r2,r17,r0
001842c8: 0c017a3a jal 0x0005e8e8
001842cc: 34040080 ori r4,r0,0x0080
001842d0: 080610b8 j 0x001842e0
001842d4: 02201021 addu r2,r17,r0
001842d8: 2411fffe addiu r17,r0,0xfffe
001842dc: 02201021 addu r2,r17,r0
001842e0: 8fbf0018 lw r31,0x0018(r29)
001842e4: 8fb10014 lw r17,0x0014(r29)
001842e8: 8fb00010 lw r16,0x0010(r29)
001842ec: 27bd0020 addiu r29,r29,0x0020
001842f0: 03e00008 jr r31
001842f4: 00000000 nop

001842f8: 27bdfff8 addiu r29,r29,0xfff8
001842fc: 00001021 addu r2,r0,r0
00184300: 27bd0008 addiu r29,r29,0x0008
00184304: 03e00008 jr r31
00184308: 00000000 nop