|   0x00081770    00b5         push {lr}
        |   0x00081772    d6f7f3fb     bl 0x57f5c
        |      0x00057f5c() ; entry0
        |   0x00081776    01bc         pop {r0}
        `=< 0x00081778    0047         bx r0
            0x0008177a    0000         movs r0, r0
            0x0008177c    30b5         push {r4, r5, lr}
            0x0008177e    0006         lsls r0, r0, 0x18
            0x00081780    040e         lsrs r4, r0, 0x18
            0x00081782    a000         lsls r0, r4, 2
            0x00081784    0019         adds r0, r0, r4
            0x00081786    c000         lsls r0, r0, 3
            0x00081788    0549         ldr r1, [pc, 0x14]              ; [0x817a0:4]=0x3005090 
            0x0008178a    4518         adds r5, r0, r1
            0x0008178c    0821         movs r1, 8
            0x0008178e    685e         ldrsh r0, [r5, r1]
            0x00081790    0128         cmp r0, 1
       ,==< 0x00081792    15d0         beq 0x817c0
       |    0x00081794    0128         cmp r0, 1
      ,===< 0x00081796    05dc         bgt 0x817a4
      ||    0x00081798    0028         cmp r0, 0
     ,====< 0x0008179a    08d0         beq 0x817ae
    ,=====< 0x0008179c    40e0         b 0x81820
    ||||    0x0008179e    0000         movs r0, r0
    ||||    0x000817a0    9050         str r0, [r2, r2]
    ||||    0x000817a2    0003         lsls r0, r0, 0xc
    ||`---> 0x000817a4    0228         cmp r0, 2
   ,======< 0x000817a6    1bd0         beq 0x817e0
   ||| |    0x000817a8    0328         cmp r0, 3
  ,=======< 0x000817aa    2fd0         beq 0x8180c
  ========< 0x000817ac    38e0         b 0x81820
  |||`----> 0x000817ae    0348         ldr r0, [pc, 0xc]               ; [0x817bc:4]=0x81bc4ac 
  |||  |    0x000817b0    e7f744fe     bl 0x6943c
  |||  |       0x0006943c() ; entry0
  |||  |    0x000817b4    0120         movs r0, 1
  |||  |    0x000817b6    2881         strh r0, [r5, 8]
  ========< 0x000817b8    32e0         b 0x81820
  |||  |    0x000817ba    0000         movs r0, r0
  |||  |    0x000817bc    acc4         stm r4!, {r2, r3, r5, r7}
  |||  |    0x000817be    1b08         lsrs r3, r3, 0x20
  |||  `--> 0x000817c0    e7f7acfe     bl 0x6951c
  |||  |  >    0x0006951c() ; entry0
  |||       0x000817c4    0006         lsls r0, r0, 0x18