user: 下面的汇编指令对应的C源代码是什么：

```asm
<Copy_Frame>:
  endbr64
  push   %r15
  mov    %rdi,%r10
  mov    %edx,%r11d
  mov    %rsi,%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %ecx,-0x30(%rsp)
  mov    %r9d,-0x34(%rsp)
  test   %r9d,%r9d
  je     L175
  xor    %eax,%eax
  test   %r8d,%r8d
  movl   $0x2,-0x20(%rsp)
  cmove  %edx,%eax
  mov    %eax,-0x34(%rsp)
  mov    $0x2,%eax
L147:
  mov    -0x30(%rsp),%edx
  test   %edx,%edx
  jle    L101
  imul   %r11d,%eax
  mov    %eax,-0x2c(%rsp)
  test   %r11d,%r11d
  jle    L101
  movslq %eax,%r15
  movslq -0x34(%rsp),%rax
  lea    -0x1(%r11),%ecx
  xor    %r9d,%r9d
  mov    %ecx,-0x38(%rsp)
  xor    %esi,%esi
  xor    %r12d,%r12d
  mov    %rax,-0x28(%rsp)
  lea    (%r10,%rax,1),%rdx
  mov    %r11d,%eax
  shr    $0x4,%eax
  lea    -0x1(%rax),%ebx
  mov    %r11d,%eax
  and    $0xfffffff0,%eax
  add    $0x1,%rbx
  mov    %eax,-0x1c(%rsp)
  mov    %r11d,%eax
  shl    $0x4,%rbx
  and    $0xf,%eax
  mov    %eax,-0x18(%rsp)
  sub    $0x1,%eax
  mov    %eax,-0x14(%rsp)
  mov    %ecx,%eax
  mov    %rax,-0x10(%rsp)
  nopl   0x0(%rax,%rax,1)
L92:
  mov    -0x34(%rsp),%eax
  mov    -0x28(%rsp),%rcx
  lea    0x1(%rdx),%rbp
  lea    (%rax,%rsi,1),%r8d
  lea    (%rdi,%r9,1),%rax
  lea    (%rcx,%r9,1),%r14
  mov    %rax,%rcx
  sub    %rbp,%rcx
  cmp    $0xe,%rcx
  jbe    L188
  cmpl   $0x6,-0x38(%rsp)
  jbe    L188
  cmpl   $0xe,-0x38(%rsp)
  jbe    L133
  xor    %ecx,%ecx
  nopl   0x0(%rax)
L172:
  movdqu (%rdx,%rcx,1),%xmm0
  movups %xmm0,(%rax,%rcx,1)
  add    $0x10,%rcx
  cmp    %rbx,%rcx
  jne    L172
  mov    -0x1c(%rsp),%eax
  cmp    %eax,%r11d
  je     L29
  cmpl   $0x6,-0x14(%rsp)
  mov    -0x18(%rsp),%ebp
  mov    %eax,%ecx
  jbe    L150
L206:
  lea    (%r10,%rcx,1),%r13
  add    %rdi,%rcx
  mov    0x0(%r13,%r14,1),%r13
  mov    %r13,(%rcx,%r9,1)
  mov    %ebp,%ecx
  and    $0xfffffff8,%ecx
  add    %ecx,%eax
  cmp    %ecx,%ebp
  je     L29
L150:
  lea    (%rax,%r8,1),%ecx
  movslq %ecx,%rcx
  movzbl (%r10,%rcx,1),%ebp
  lea    (%rsi,%rax,1),%ecx
  movslq %ecx,%rcx
  mov    %bpl,(%rdi,%rcx,1)
  lea    0x1(%rax),%ecx
  cmp    %ecx,%r11d
  jle    L29
  lea    (%rcx,%r8,1),%ebp
  add    %esi,%ecx
  movslq %ebp,%rbp
  movslq %ecx,%rcx
  movzbl (%r10,%rbp,1),%ebp
  mov    %bpl,(%rdi,%rcx,1)
  lea    0x2(%rax),%ecx
  cmp    %ecx,%r11d
  jle    L29
  lea    (%rcx,%r8,1),%ebp
  add    %esi,%ecx
  movslq %ebp,%rbp
  movslq %ecx,%rcx
  movzbl (%r10,%rbp,1),%ebp
  mov    %bpl,(%rdi,%rcx,1)
  lea    0x3(%rax),%ecx
  cmp    %ecx,%r11d
  jle    L29
  lea    (%rcx,%r8,1),%ebp
  add    %esi,%ecx
  movslq %ebp,%rbp
  movslq %ecx,%rcx
  movzbl (%r10,%rbp,1),%ebp
  mov    %bpl,(%rdi,%rcx,1)
  lea    0x4(%rax),%ecx
  cmp    %ecx,%r11d
  jle    L29
  lea    (%rcx,%r8,1),%ebp
  add    %esi,%ecx
  movslq %ebp,%rbp
  movslq %ecx,%rcx
  movzbl (%r10,%rbp,1),%ebp
  mov    %bpl,(%rdi,%rcx,1)
  lea    0x5(%rax),%ecx
  cmp    %ecx,%r11d
  jle    L29
  lea    (%rcx,%r8,1),%ebp
  add    %esi,%ecx
  add    $0x6,%eax
  movslq %ebp,%rbp
  movslq %ecx,%rcx
  movzbl (%r10,%rbp,1),%ebp
  mov    %bpl,(%rdi,%rcx,1)
  cmp    %eax,%r11d
  jle    L29
  add    %eax,%r8d
  add    %esi,%eax
  movslq %r8d,%r8
  cltq
  movzbl (%r10,%r8,1),%ecx
  mov    %cl,(%rdi,%rax,1)
L29:
  add    -0x2c(%rsp),%esi
  add    -0x20(%rsp),%r12d
  add    %r15,%rdx
  add    %r15,%r9
  cmp    %r12d,-0x30(%rsp)
  jg     L92
L101:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L188:
  mov    -0x10(%rsp),%rbp
  xor    %ecx,%ecx
  nopw   0x0(%rax,%rax,1)
L31:
  movzbl (%rdx,%rcx,1),%r8d
  mov    %r8b,(%rax,%rcx,1)
  mov    %rcx,%r8
  add    $0x1,%rcx
  cmp    %rbp,%r8
  jne    L31
  jmp    L29
L133:
  mov    %r11d,%ebp
  xor    %ecx,%ecx
  xor    %eax,%eax
  jmp    L206
L175:
  movl   $0x1,-0x20(%rsp)
  mov    $0x1,%eax
  jmp    L147
```

assistant: ```c
void Copy_Frame(src, dst, width, height, parity, field_mode) unsigned char *src;
unsigned char *dst;
int width;
int height;
int parity;
int field_mode;
{
  int row, col;
  int s, d;
  int incr;
  s = d = 0;
  if (field_mode) {
    incr = 2;
    if (parity == 0)
      s += width;
  } else {
    incr = 1;
  }
  for (row = 0; row < height; row += incr) {
    for (col = 0; col < width; col++) {
      dst[d + col] = src[s + col];
    }
    d += (width * incr);
    s += (width * incr);
  }
}
```