Movement/action direction setting?

0007273c: 27bdffd0 addiu r29,r29,0xffd0
00072740: afb00028 sw r16,0x0028(r29)
00072744: 00808021 addu r16,r4,r0
00072748: 12000072 beq r16,r0,0x00072914
0007274c: afbf002c sw r31,0x002c(r29)
00072750: afa00020 sw r0,0x0020(r29)
00072754: 10a00009 beq r5,r0,0x0007277c
00072758: afa00018 sw r0,0x0018(r29)
0007275c: 84a20040 lh r2,0x0040(r5)
00072760: 86030040 lh r3,0x0040(r16)
00072764: 00000000 nop
00072768: 00431023 subu r2,r2,r3
0007276c: afa20018 sw r2,0x0018(r29)
00072770: 84a20044 lh r2,0x0044(r5)
00072774: 0801ca04 j 0x00072810
00072778: 00000000 nop
0007277c: 8e040134 lw r4,0x0134(r16)			load unit data
00072780: 00000000 nop
00072784: 90830178 lbu r3,0x0178(r4)			load tile/target specific
00072788: 34020005 ori r2,r0,0x0005
0007278c: 14620014 bne r3,r2,0x000727e0			branch if not Tile specific ability
00072790: 00000000 nop
00072794: 8483017a lh r3,0x017a(r4)				load X target panel
00072798: 00000000 nop
0007279c: 000310c0 sll r2,r3,0x03
000727a0: 00431023 subu r2,r2,r3
000727a4: 86030040 lh r3,0x0040(r16)			load X mod
000727a8: 00021080 sll r2,r2,0x02
000727ac: 2463fff2 addiu r3,r3,0xfff2
000727b0: 00431023 subu r2,r2,r3
000727b4: afa20018 sw r2,0x0018(r29)			store X panel?
000727b8: 8e020134 lw r2,0x0134(r16)			load unit data
000727bc: 00000000 nop
000727c0: 8443017e lh r3,0x017e(r2)				load Y target panel
000727c4: 00000000 nop
000727c8: 000310c0 sll r2,r3,0x03
000727cc: 00431023 subu r2,r2,r3
000727d0: 86030044 lh r3,0x0044(r16)			load Y mod
000727d4: 00021080 sll r2,r2,0x02
000727d8: 0801ca05 j 0x00072814
000727dc: 2463fff2 addiu r3,r3,0xfff2
000727e0: 90840179 lbu r4,0x0179(r4)			load target ID
000727e4: 0c01e9c9 jal 0x0007a724				find the first unit?
000727e8: 00000000 nop
000727ec: 00402021 addu r4,r2,r0
000727f0: 1080000c beq r4,r0,0x00072824
000727f4: 3c030008 lui r3,0x0008
000727f8: 84820040 lh r2,0x0040(r4)
000727fc: 86030040 lh r3,0x0040(r16)
00072800: 00000000 nop
00072804: 00431023 subu r2,r2,r3
00072808: afa20018 sw r2,0x0018(r29)			store some distance?
0007280c: 84820044 lh r2,0x0044(r4)
00072810: 86030044 lh r3,0x0044(r16)
00072814: 00000000 nop
00072818: 00431023 subu r2,r2,r3
0007281c: afa20020 sw r2,0x0020(r29)			store some distance?
00072820: 3c030008 lui r3,0x0008
00072824: 8e020140 lw r2,0x0140(r16)			load status flags
00072828: 34630074 ori r3,r3,0x0074
0007282c: 00431024 and r2,r2,r3
00072830: 14400038 bne r2,r0,0x00072914			branch if statii found
00072834: 340201b8 ori r2,r0,0x01b8
00072838: 860301ac lh r3,0x01ac(r16)			load reaction ability?
0007283c: 00000000 nop
00072840: 10620034 beq r3,r2,0x00072914			branch if = 0x1b8 (reflect)
00072844: 00000000 nop
00072848: 8fa20018 lw r2,0x0018(r29)			load some distance
0007284c: 00000000 nop
00072850: 14400005 bne r2,r0,0x00072868			branch if distance stored
00072854: 00000000 nop
00072858: 8fa20020 lw r2,0x0020(r29)			load some distance
0007285c: 00000000 nop
00072860: 1040002c beq r2,r0,0x00072914			branch if no distance stored
00072864: 00000000 nop
00072868: 0c01c9c3 jal 0x0007270c				attack direction (turning sprite towards target)
0007286c: 02002021 addu r4,r16,r0
00072870: 8fa40020 lw r4,0x0020(r29)
00072874: 8fa50018 lw r5,0x0018(r29)
00072878: 0c00763a jal 0x0001d8e8				graphics processing?
0007287c: 00042023 subu r4,r0,r4
00072880: 2442fe00 addiu r2,r2,0xfe00
00072884: 8e030134 lw r3,0x0134(r16)			load unit data
00072888: 9205007c lbu r5,0x007c(r16)			X coordinate to move to
0007288c: 9206007d lbu r6,0x007d(r16)			Y coordinate to move to
00072890: 9207007e lbu r7,0x007e(r16)			map level to move to
00072894: 30420c00 andi r2,r2,0x0c00
00072898: a6020070 sh r2,0x0070(r16)			store attack facing
0007289c: 9064018a lbu r4,0x018a(r3)			load unit ID
000728a0: 04410002 bgez r2,0x000728ac
000728a4: 00000000 nop
000728a8: 244203ff addiu r2,r2,0x03ff
000728ac: 00021282 srl r2,r2,0x0a
000728b0: 0c05ff77 jal 0x0017fddc				set rider/mounts X/Y
000728b4: afa20010 sw r2,0x0010(r29)
000728b8: 92020130 lbu r2,0x0130(r16)			load skip rider/mount x/y direction data byte
000728bc: 00000000 nop
000728c0: 10400014 beq r2,r0,0x00072914			branch if 0
000728c4: 00000000 nop
000728c8: 92040131 lbu r4,0x0131(r16)			load unit ID?
000728cc: 0c01e9b9 jal 0x0007a6e4				get misc unit data
000728d0: 00000000 nop
000728d4: 96030070 lhu r3,0x0070(r16)			load attack facing
000728d8: 00000000 nop
000728dc: a4430070 sh r3,0x0070(r2)				store attack facing
000728e0: 8e020134 lw r2,0x0134(r16)			load unit data
000728e4: 86030070 lh r3,0x0070(r16)			load attack facing
000728e8: 9205007c lbu r5,0x007c(r16)			load X
000728ec: 9206007d lbu r6,0x007d(r16)			load Y
000728f0: 9207007e lbu r7,0x007e(r16)			load map level
000728f4: 9044018a lbu r4,0x018a(r2)			load unit ID
000728f8: 04610003 bgez r3,0x00072908
000728fc: 00031282 srl r2,r3,0x0a
00072900: 246303ff addiu r3,r3,0x03ff
00072904: 00031282 srl r2,r3,0x0a
00072908: 304200ff andi r2,r2,0x00ff
0007290c: 0c05ff77 jal 0x0017fddc				set rider/mount data
00072910: afa20010 sw r2,0x0010(r29)		
00072914: 8fbf002c lw r31,0x002c(r29)
00072918: 8fb00028 lw r16,0x0028(r29)
0007291c: 27bd0030 addiu r29,r29,0x0030
00072920: 03e00008 jr r31
00072924: 00000000 nop