user: Demonstrate the C code that generates the assembly output below:

```asm
<BinSearchInsert>:
  endbr64
  movzbl %sil,%eax
  cmpw   $0x0,-0x2(%rdi,%rax,2)
  jne    L117
  mov    %rdi,%r8
  mov    %edx,%r11d
  mov    %esi,%edx
  mov    %r11d,%r10d
  cmp    $0x1,%sil
  jbe    L13
  sub    $0x1,%esi
  movzbl %sil,%esi
  lea    -0x2(%rdi,%rsi,2),%rax
L216:
  mov    %edx,%esi
  sub    $0x1,%edx
  cmp    $0x1,%dl
  je     L11
  sub    $0x2,%rax
  cmpw   $0x0,0x2(%rax)
  je     L216
  sub    $0x2,%esi
  cmp    (%r8),%r11w
  jae    L202
L44:
  movzbl %sil,%esi
  lea    0x2(%r8,%rsi,2),%rax
  lea    (%r8,%rsi,2),%rcx
  sub    $0x2,%edx
  movzbl %dl,%edx
  add    %rdx,%rdx
  sub    %rdx,%rcx
L166:
  movzwl -0x2(%rax),%edx
  mov    %dx,(%rax)
  sub    $0x2,%rax
  cmp    %rcx,%rax
  jne    L166
L52:
  movzwl (%r8),%eax
  mov    %ax,0x2(%r8)
  mov    %r11w,(%r8)
  mov    $0x0,%eax
  ret
L13:
  sub    $0x1,%esi
  cmp    %r11w,(%rdi)
  jbe    L202
  test   %sil,%sil
  jne    L44
  jmp    L52
L75:
  test   %ax,%ax
  cmovne %edx,%esi
  movzbl %sil,%eax
  mov    %r11w,(%r8,%rax,2)
  mov    %esi,%eax
L185:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L132:
  mov    %ecx,%eax
  jmp    L185
L86:
  lea    0x1(%rcx),%edi
  mov    %r12d,%ecx
L43:
  cmp    %al,%dil
  jae    L220
L95:
  movzbl %al,%r13d
  movzbl %dil,%ecx
  sub    %ecx,%r13d
  mov    %r13d,%ecx
  shr    $0x1f,%ecx
  add    %r13d,%ecx
  sar    %ecx
  add    %edi,%ecx
  movzbl %cl,%r13d
  movzwl (%r8,%r13,2),%r13d
  cmp    %r10w,%r13w
  je     L132
  jbe    L86
  lea    -0x1(%rcx),%eax
  mov    %ebp,%ecx
  jmp    L43
L220:
  cmp    %al,%sil
  jbe    L42
  lea    -0x2(%r8,%rbx,1),%r10
  lea    -0x2(%rdx),%edi
  sub    %eax,%edi
  movzbl %dil,%edi
  add    %rdi,%rdi
  sub    %rdi,%r10
L25:
  movzwl (%r9),%edi
  mov    %di,0x2(%r9)
  sub    $0x2,%r9
  cmp    %r10,%r9
  jne    L25
  sub    %edx,%esi
  lea    0x1(%rax,%rsi,1),%esi
L42:
  test   %cl,%cl
  je     L209
  movzbl %sil,%esi
  mov    %r11w,(%r8,%rsi,2)
  jmp    L185
L209:
  movzbl %sil,%esi
  mov    %r11w,0x2(%r8,%rsi,2)
  jmp    L185
L117:
  mov    $0xffffffff,%eax
  ret
L11:
  cmp    %r11w,(%r8)
  ja     L52
  mov    $0x0,%esi
L202:
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  movzbl %sil,%ebx
  add    %rbx,%rbx
  lea    (%r8,%rbx,1),%r9
  movzwl (%r9),%eax
  cmp    %r11w,%ax
  jb     L75
  mov    %esi,%eax
  mov    $0x0,%edi
  mov    $0x1,%r12d
  mov    $0x0,%ebp
  test   %sil,%sil
  jne    L95
  jmp    L42
```

assistant: ```c
char BinSearchInsert(unsigned short *src, unsigned char len, unsigned short key) {
  unsigned char i, low, high, mid, flag;
  if (src[len - 1] != 0)
    return -1;
  while ((len > 1) && (src[len - 1] == 0))
    len--;
  low = 0;
  high = len - 1;
  if (key < src[low]) {
    for (i = len - 1; i > low; i--) {
      src[i + 1] = src[i];
    }
    src[i + 1] = src[i];
    src[i] = key;
    return low;
  }
  if (key > src[high]) {
    if (src[high] != 0) {
      high++;
    }
    src[high] = key;
    return high;
  }
  while (low < high) {
    mid = low + ((high - low) / 2);
    if (key == src[mid])
      return mid;
    if (key < src[mid]) {
      high = mid - 1;
      flag = 0;
    } else {
      low = mid + 1;
      flag = 1;
    }
  }
  for (i = len - 1; i > high; i--) {
    src[i + 1] = src[i];
  }
  if (flag)
    src[i] = key;
  else
    src[i + 1] = key;
  return high;
}
```