Get unit that matches coordinates

0019d294: 00003021 addu r6,r0,r0
0019d298: 340700ff ori r7,r0,0x00ff
0019d29c: 3c058019 lui r5,0x8019
0019d2a0: 24a508cc addiu r5,r5,0x08cc
0019d2a4: 90a20001 lbu r2,0x0001(r5)
0019d2a8: 00000000 nop
0019d2ac: 10470010 beq r2,r7,0x0019d2f0
0019d2b0: 00000000 nop
0019d2b4: 90a30047 lbu r3,0x0047(r5)
0019d2b8: 90820000 lbu r2,0x0000(r4)
0019d2bc: 00000000 nop
0019d2c0: 1462000b bne r3,r2,0x0019d2f0
0019d2c4: 00000000 nop
0019d2c8: 90a30048 lbu r3,0x0048(r5)
0019d2cc: 90820002 lbu r2,0x0002(r4)
0019d2d0: 00000000 nop
0019d2d4: 14620006 bne r3,r2,0x0019d2f0
0019d2d8: 00000000 nop
0019d2dc: 94a20048 lhu r2,0x0048(r5)
0019d2e0: 90830001 lbu r3,0x0001(r4)
0019d2e4: 000213c2 srl r2,r2,0x0f
0019d2e8: 10430005 beq r2,r3,0x0019d300
0019d2ec: 00000000 nop
0019d2f0: 24c60001 addiu r6,r6,0x0001
0019d2f4: 28c20015 slti r2,r6,0x0015
0019d2f8: 1440ffea bne r2,r0,0x0019d2a4
0019d2fc: 24a501c0 addiu r5,r5,0x01c0
0019d300: 03e00008 jr r31
0019d304: 00c01021 addu r2,r6,r0