user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<get_dir_rc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %ecx,%eax
  mov    %edi,%edx
  mov    %dx,-0x4(%rbp)
  mov    %ax,-0x8(%rbp)
  movswl -0x4(%rbp),%eax
  cmp    $0x7,%eax
  ja     L304
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D16(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D16(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  cmpw   $0x0,-0x8(%rbp)
  jne    L80
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  test   %ax,%ax
  jle    L39
L80:
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %dx,(%rax)
  jmp    L39
  cmpw   $0x0,-0x8(%rbp)
  jne    L116
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  cmp    $0x15,%ax
  jg     L7
L116:
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  add    $0x1,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  jmp    L7
  cmpw   $0x0,-0x8(%rbp)
  jne    L287
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  cmp    $0x1,%ax
  jle    L352
L287:
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  jmp    L352
  cmpw   $0x0,-0x8(%rbp)
  jne    L346
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  cmp    $0x4e,%ax
  jg     L342
L346:
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  add    $0x1,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %dx,(%rax)
  jmp    L342
  cmpw   $0x0,-0x8(%rbp)
  jne    L8
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  cmp    $0x1,%ax
  jle    L230
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  test   %ax,%ax
  jle    L230
L8:
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %dx,(%rax)
  jmp    L230
  cmpw   $0x0,-0x8(%rbp)
  jne    L319
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  cmp    $0x1,%ax
  jle    L79
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  cmp    $0x4e,%ax
  jg     L79
L319:
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  add    $0x1,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %dx,(%rax)
  jmp    L79
  cmpw   $0x0,-0x8(%rbp)
  jne    L113
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  cmp    $0x15,%ax
  jg     L138
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  cmp    $0x4e,%ax
  jg     L138
L113:
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  add    $0x1,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  add    $0x1,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %dx,(%rax)
  jmp    L138
  cmpw   $0x0,-0x8(%rbp)
  jne    L253
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  cmp    $0x15,%ax
  jg     L146
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  test   %ax,%ax
  jle    L146
L253:
  mov    -0x10(%rbp),%rax
  movzwl (%rax),%eax
  add    $0x1,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  mov    %dx,(%rax)
  mov    -0x18(%rbp),%rax
  movzwl (%rax),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %dx,(%rax)
  jmp    L146
L39:
  nop
  jmp    L304
L7:
  nop
  jmp    L304
L352:
  nop
  jmp    L304
L342:
  nop
  jmp    L304
L230:
  nop
  jmp    L304
L79:
  nop
  jmp    L304
L138:
  nop
  jmp    L304
L146:
  nop
L304:
  nop
  pop    %rbp
  ret
```

assistant: ```c
void get_dir_rc(short dir, short *row, short *col, short allow_off_screen) {
  switch (dir) {
  case 6:
    if (allow_off_screen || (*col > 0)) {
      (*col)--;
    }
    break;
  case 4:
    if (allow_off_screen || (*row < (24 - 2))) {
      (*row)++;
    }
    break;
  case 0:
    if (allow_off_screen || (*row > 1)) {
      (*row)--;
    }
    break;
  case 2:
    if (allow_off_screen || (*col < (80 - 1))) {
      (*col)++;
    }
    break;
  case 7:
    if (allow_off_screen || ((*row > 1) && (*col > 0))) {
      (*row)--;
      (*col)--;
    }
    break;
  case 1:
    if (allow_off_screen || ((*row > 1) && (*col < (80 - 1)))) {
      (*row)--;
      (*col)++;
    }
    break;
  case 3:
    if (allow_off_screen || ((*row < (24 - 2)) && (*col < (80 - 1)))) {
      (*row)++;
      (*col)++;
    }
    break;
  case 5:
    if (allow_off_screen || ((*row < (24 - 2)) && (*col > 0))) {
      (*row)++;
      (*col)--;
    }
    break;
  }
}
```