user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<drawLineHMaxUnclipped>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    %ecx,-0x34(%rbp)
  mov    %r8d,-0x38(%rbp)
  mov    %r9d,%eax
  mov    %al,-0x3c(%rbp)
  mov    -0x2c(%rbp),%eax
  and    $0x1,%eax
  mov    %eax,-0x14(%rbp)
  movl   $0x0,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  movsbl -0x3c(%rbp),%eax
  shl    $0x4,%eax
  mov    %al,-0x1e(%rbp)
  movzbl -0x3c(%rbp),%eax
  or     -0x1e(%rbp),%al
  mov    %al,-0x1d(%rbp)
  cmpl   $0x0,-0x38(%rbp)
  jle    L76
  movl   $0x40,-0x18(%rbp)
  jmp    L22
L76:
  movl   $0xffffffc0,-0x18(%rbp)
  negl   -0x38(%rbp)
L22:
  mov    -0x38(%rbp),%eax
  add    %eax,%eax
  sub    -0x34(%rbp),%eax
  mov    %eax,-0x1c(%rbp)
  mov    -0x38(%rbp),%eax
  add    %eax,%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x38(%rbp),%eax
  sub    -0x34(%rbp),%eax
  add    %eax,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x30(%rbp),%eax
  shl    $0x6,%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  sar    %eax
  add    %edx,%eax
  cltq
  add    %rax,-0x28(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  jne    L38
  movl   $0x1,-0x10(%rbp)
  jmp    L128
L38:
  movl   $0x1,-0xc(%rbp)
  jmp    L128
L202:
  cmpl   $0x0,-0x1c(%rbp)
  jg     L171
  mov    -0x8(%rbp),%eax
  add    %eax,-0x1c(%rbp)
  addl   $0x1,-0x14(%rbp)
  cmpl   $0x2,-0x14(%rbp)
  jne    L120
  cmpl   $0x0,-0x10(%rbp)
  je     L5
  cmpl   $0x0,-0xc(%rbp)
  je     L5
  mov    -0x28(%rbp),%rax
  movzbl -0x1d(%rbp),%edx
  mov    %dl,(%rax)
  jmp    L49
L5:
  cmpl   $0x0,-0x10(%rbp)
  je     L14
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  and    $0xfffffff0,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  or     -0x3c(%rbp),%al
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
  jmp    L49
L14:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  and    $0xf,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  or     -0x1e(%rbp),%al
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
L49:
  addq   $0x1,-0x28(%rbp)
  movl   $0x0,-0x14(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x1,-0x10(%rbp)
  jmp    L128
L120:
  movl   $0x1,-0xc(%rbp)
  jmp    L128
L171:
  mov    -0x4(%rbp),%eax
  add    %eax,-0x1c(%rbp)
  cmpl   $0x0,-0x10(%rbp)
  je     L186
  cmpl   $0x0,-0xc(%rbp)
  je     L186
  mov    -0x28(%rbp),%rax
  movzbl -0x1d(%rbp),%edx
  mov    %dl,(%rax)
  jmp    L17
L186:
  cmpl   $0x0,-0x10(%rbp)
  je     L225
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  and    $0xfffffff0,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  or     -0x3c(%rbp),%al
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
  jmp    L17
L225:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  and    $0xf,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  or     -0x1e(%rbp),%al
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
L17:
  addl   $0x1,-0x14(%rbp)
  cmpl   $0x2,-0x14(%rbp)
  jne    L23
  addq   $0x1,-0x28(%rbp)
  movl   $0x0,-0x14(%rbp)
  movl   $0x1,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L56
L23:
  movl   $0x0,-0x10(%rbp)
  movl   $0x1,-0xc(%rbp)
L56:
  mov    -0x18(%rbp),%eax
  cltq
  add    %rax,-0x28(%rbp)
L128:
  mov    -0x34(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x34(%rbp)
  test   %eax,%eax
  jg     L202
  cmpl   $0x0,-0x10(%rbp)
  je     L166
  cmpl   $0x0,-0xc(%rbp)
  je     L166
  mov    -0x28(%rbp),%rax
  movzbl -0x1d(%rbp),%edx
  mov    %dl,(%rax)
  jmp    L78
L166:
  cmpl   $0x0,-0x10(%rbp)
  je     L106
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  and    $0xfffffff0,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  or     -0x3c(%rbp),%al
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
  jmp    L78
L106:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  and    $0xf,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  or     -0x1e(%rbp),%al
  mov    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
L78:
  nop
  pop    %rbp
  ret
```

assistant: ```c
void drawLineHMaxUnclipped(char *buffer, int x0, int y0, int dx, int dy, char shade) {
  int d, incrH, incrHV, addV;
  int pixelPos = x0 & 0x1;
  int loPixel = 0;
  int hiPixel = 0;
  char hiShade = shade << 4;
  char biShade = shade | hiShade;
  if (dy > 0)
    addV = 64;
  else {
    addV = -64;
    dy = -dy;
  }
  d = 2 * dy - dx;
  incrH = 2 * dy;
  incrHV = 2 * (dy - dx);
  buffer += (y0 << 6) + (x0 >> 1);
  if (pixelPos == 0)
    loPixel = 1;
  else
    hiPixel = 1;
  while (dx-- > 0)
    if (d <= 0) {
      d += incrH;
      pixelPos++;
      if (pixelPos == 2) {
        if (loPixel && hiPixel) {
          *buffer = biShade;
        } else if (loPixel) {
          *buffer &= 0xF0;
          *buffer |= shade;
        } else {
          *buffer &= 0x0F;
          *buffer |= hiShade;
        }
        buffer++;
        pixelPos = 0;
        hiPixel = 0;
        loPixel = 1;
      } else {
        hiPixel = 1;
      }
    } else {
      d += incrHV;
      if (loPixel && hiPixel) {
        *buffer = biShade;
      } else if (loPixel) {
        *buffer &= 0xF0;
        *buffer |= shade;
      } else {
        *buffer &= 0x0F;
        *buffer |= hiShade;
      }
      pixelPos++;
      if (pixelPos == 2) {
        buffer++;
        pixelPos = 0;
        loPixel = 1;
        hiPixel = 0;
      } else {
        loPixel = 0;
        hiPixel = 1;
      }
      buffer += addV;
    }
  if (loPixel && hiPixel) {
    *buffer = biShade;
  } else if (loPixel) {
    *buffer &= 0xF0;
    *buffer |= shade;
  } else {
    *buffer &= 0x0F;
    *buffer |= hiShade;
  }
}
```