user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<SetStandby>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0xb,%dil
  ja     L82
  lea    D3(%rip),%rdx
  movzbl %dil,%edi
  movslq (%rdx,%rdi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  nopw   0x0(%rax,%rax,1)
  xor    %esi,%esi
  mov    $0x256,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x248,%edi
  call   <RegWriteA@plt>
  mov    $0x1f,%esi
  mov    $0x20b,%edi
  call   <RegWriteA@plt>
  xor    %edi,%edi
  call   <SelectGySleep@plt>
  mov    $0x80,%esi
  mov    $0x30,%edi
  call   <RegWriteA@plt>
  mov    $0x1,%edi
  call   <DrvSw@plt>
  mov    $0x1,%edi
  call   <AfDrvSw@plt>
  mov    $0xc0,%esi
  mov    $0x20,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x90,%edi
  call   <RegWriteA@plt>
  mov    $0xc0,%esi
  mov    $0x10,%edi
  call   <RegWriteA@plt>
  mov    $0x5,%esi
  mov    $0x264,%edi
  call   <RegWriteA@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  mov    $0xdf,%esi
  mov    $0x250,%edi
  add    $0x18,%rsp
  jmp    1100 <RegWriteA@plt>
  nopl   0x0(%rax)
  lea    0x7(%rsp),%rsi
  mov    $0x20b,%edi
  call   <RegReadA@plt>
  movzbl 0x7(%rsp),%esi
  mov    $0x20b,%edi
  or     $0x18,%esi
  mov    %sil,0x7(%rsp)
  movzbl %sil,%esi
  call   <RegWriteA@plt>
  mov    $0x1,%edi
  call   <AfDrvSw@plt>
  xor    %esi,%esi
  mov    $0x90,%edi
  call   <RegWriteA@plt>
  mov    $0x5,%esi
  mov    $0x264,%edi
  call   <RegWriteA@plt>
  lea    0x6(%rsp),%rsi
  mov    $0x250,%edi
  call   <RegReadA@plt>
  movzbl 0x6(%rsp),%esi
  mov    $0x250,%edi
  or     $0xffffff80,%esi
  mov    %sil,0x6(%rsp)
  movzbl %sil,%esi
  call   <RegWriteA@plt>
L82:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  add    $0x18,%rsp
  ret
  nopw   0x0(%rax,%rax,1)
  xor    %esi,%esi
  mov    $0x81,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x250,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x264,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x10,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x90,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x20,%edi
  call   <RegWriteA@plt>
  xor    %edi,%edi
  call   <DrvSw@plt>
  xor    %edi,%edi
  call   <AfDrvSw@plt>
  mov    $0x1,%edi
  call   <SelectGySleep@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  xor    %esi,%esi
  mov    $0x20b,%edi
  add    $0x18,%rsp
  jmp    1100 <RegWriteA@plt>
  nopl   0x0(%rax)
  xor    %esi,%esi
  mov    $0x81,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x250,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x264,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x10,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x90,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x20,%edi
  call   <RegWriteA@plt>
  xor    %edi,%edi
  call   <DrvSw@plt>
  xor    %edi,%edi
  call   <AfDrvSw@plt>
  mov    $0x1,%edi
  call   <SelectGySleep@plt>
  xor    %esi,%esi
  mov    $0x20b,%edi
  call   <RegWriteA@plt>
  mov    $0x1,%esi
  mov    $0x248,%edi
  call   <RegWriteA@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  mov    $0x2,%esi
  mov    $0x256,%edi
  add    $0x18,%rsp
  jmp    1100 <RegWriteA@plt>
  nopw   0x0(%rax,%rax,1)
  xor    %esi,%esi
  mov    $0x81,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x250,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x264,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x10,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x90,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x20,%edi
  call   <RegWriteA@plt>
  xor    %edi,%edi
  call   <DrvSw@plt>
  xor    %edi,%edi
  call   <AfDrvSw@plt>
  xor    %eax,%eax
  call   <GyOutSignalCont@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  mov    $0x4,%esi
  mov    $0x20b,%edi
  add    $0x18,%rsp
  jmp    1100 <RegWriteA@plt>
  nopl   0x0(%rax)
  lea    0x6(%rsp),%rsi
  mov    $0x250,%edi
  call   <RegReadA@plt>
  movzbl 0x6(%rsp),%esi
  mov    $0x250,%edi
  and    $0xffffff80,%esi
  mov    %sil,0x6(%rsp)
  movzbl %sil,%esi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x10,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x20,%edi
  call   <RegWriteA@plt>
  xor    %edi,%edi
  call   <DrvSw@plt>
  mov    $0x1,%edi
  call   <SelectGySleep@plt>
  lea    0x7(%rsp),%rsi
  mov    $0x20b,%edi
  call   <RegReadA@plt>
  movzbl 0x7(%rsp),%esi
  mov    $0x20b,%edi
  and    $0x1a,%esi
  mov    %sil,0x7(%rsp)
  movzbl %sil,%esi
  call   <RegWriteA@plt>
  jmp    L82
  nopw   0x0(%rax,%rax,1)
  lea    0x7(%rsp),%rsi
  mov    $0x20b,%edi
  call   <RegReadA@plt>
  movzbl 0x7(%rsp),%esi
  mov    $0x20b,%edi
  or     $0x5,%esi
  mov    %sil,0x7(%rsp)
  movzbl %sil,%esi
  call   <RegWriteA@plt>
  xor    %edi,%edi
  call   <SelectGySleep@plt>
  mov    $0x80,%esi
  mov    $0x30,%edi
  call   <RegWriteA@plt>
  mov    $0x1,%edi
  call   <DrvSw@plt>
  mov    $0xc0,%esi
  mov    $0x20,%edi
  call   <RegWriteA@plt>
  mov    $0xc0,%esi
  mov    $0x10,%edi
  call   <RegWriteA@plt>
  lea    0x6(%rsp),%rsi
  mov    $0x250,%edi
  call   <RegReadA@plt>
  movzbl 0x6(%rsp),%esi
  mov    $0x250,%edi
  or     $0x5f,%esi
  mov    %sil,0x6(%rsp)
  movzbl %sil,%esi
  call   <RegWriteA@plt>
  jmp    L82
  nopw   0x0(%rax,%rax,1)
  xor    %esi,%esi
  mov    $0x81,%edi
  call   <RegWriteA@plt>
  lea    0x6(%rsp),%rsi
  mov    $0x250,%edi
  call   <RegReadA@plt>
  movzbl 0x6(%rsp),%esi
  mov    $0x250,%edi
  and    $0x7f,%esi
  mov    %sil,0x6(%rsp)
  movzbl %sil,%esi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x264,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x90,%edi
  call   <RegWriteA@plt>
  xor    %edi,%edi
  call   <AfDrvSw@plt>
  lea    0x7(%rsp),%rsi
  mov    $0x20b,%edi
  call   <RegReadA@plt>
  movzbl 0x7(%rsp),%esi
  mov    $0x20b,%edi
  and    $0x7,%esi
  mov    %sil,0x7(%rsp)
  movzbl %sil,%esi
  call   <RegWriteA@plt>
  jmp    L82
  nopl   0x0(%rax)
  xor    %esi,%esi
  mov    $0x81,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x250,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x264,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x10,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x90,%edi
  call   <RegWriteA@plt>
  xor    %esi,%esi
  mov    $0x20,%edi
  call   <RegWriteA@plt>
  xor    %edi,%edi
  call   <DrvSw@plt>
  xor    %edi,%edi
  call   <AfDrvSw@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  mov    $0x1,%edi
  add    $0x18,%rsp
  jmp    10d0 <SelectGySleep@plt>
L21:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void SetStandby(unsigned char UcContMode) {
  unsigned char UcStbb0, UcClkon;
  switch (UcContMode) {
  case 0x00:
    RegWriteA(0x0081, 0x00);
    RegWriteA(0x0250, 0x00);
    RegWriteA(0x0264, 0x00);
    RegWriteA(0x0010, 0x00);
    RegWriteA(0x0090, 0x00);
    RegWriteA(0x0020, 0x00);
    DrvSw(0x00);
    AfDrvSw(0x00);
    SelectGySleep(0x01);
    break;
  case 0x01:
    SelectGySleep(0x00);
    RegWriteA(0x0030, 0x80);
    DrvSw(0x01);
    AfDrvSw(0x01);
    RegWriteA(0x0020, 0xC0);
    RegWriteA(0x0090, 0x00);
    RegWriteA(0x0010, 0xC0);
    RegWriteA(0x0264, 0x05);
    RegWriteA(0x0250, 0xDF);
    break;
  case 0x02:
    RegWriteA(0x0081, 0x00);
    RegWriteA(0x0250, 0x00);
    RegWriteA(0x0264, 0x00);
    RegWriteA(0x0010, 0x00);
    RegWriteA(0x0090, 0x00);
    RegWriteA(0x0020, 0x00);
    DrvSw(0x00);
    AfDrvSw(0x00);
    SelectGySleep(0x01);
    RegWriteA(0x020B, 0x00);
    break;
  case 0x03:
    RegWriteA(0x020B, 0x1F);
    SelectGySleep(0x00);
    RegWriteA(0x0030, 0x80);
    DrvSw(0x01);
    AfDrvSw(0x01);
    RegWriteA(0x0020, 0xC0);
    RegWriteA(0x0090, 0x00);
    RegWriteA(0x0010, 0xC0);
    RegWriteA(0x0264, 0x05);
    RegWriteA(0x0250, 0xDF);
    break;
  case 0x04:
    RegWriteA(0x0081, 0x00);
    RegWriteA(0x0250, 0x00);
    RegWriteA(0x0264, 0x00);
    RegWriteA(0x0010, 0x00);
    RegWriteA(0x0090, 0x00);
    RegWriteA(0x0020, 0x00);
    DrvSw(0x00);
    AfDrvSw(0x00);
    SelectGySleep(0x01);
    RegWriteA(0x020B, 0x00);
    RegWriteA(0x0248, 0x01);
    RegWriteA(0x0256, 0x02);
    break;
  case 0x05:
    RegWriteA(0x0256, 0x00);
    RegWriteA(0x0248, 0x00);
    RegWriteA(0x020B, 0x1F);
    SelectGySleep(0x00);
    RegWriteA(0x0030, 0x80);
    DrvSw(0x01);
    AfDrvSw(0x01);
    RegWriteA(0x0020, 0xC0);
    RegWriteA(0x0090, 0x00);
    RegWriteA(0x0010, 0xC0);
    RegWriteA(0x0264, 0x05);
    RegWriteA(0x0250, 0xDF);
    break;
  case 0x06:
    RegWriteA(0x0081, 0x00);
    RegWriteA(0x0250, 0x00);
    RegWriteA(0x0264, 0x00);
    RegWriteA(0x0010, 0x00);
    RegWriteA(0x0090, 0x00);
    RegWriteA(0x0020, 0x00);
    DrvSw(0x00);
    AfDrvSw(0x00);
    GyOutSignalCont();
    RegWriteA(0x020B, 0x04);
    break;
  case 0x07:
    RegWriteA(0x020B, 0x1F);
    SelectGySleep(0x00);
    RegWriteA(0x0030, 0x80);
    DrvSw(0x01);
    AfDrvSw(0x01);
    RegWriteA(0x0020, 0xC0);
    RegWriteA(0x0090, 0x00);
    RegWriteA(0x0010, 0xC0);
    RegWriteA(0x0264, 0x05);
    RegWriteA(0x0250, 0xDF);
    break;
  case 0x08:
    RegReadA(0x0250, &UcStbb0);
    UcStbb0 &= 0x80;
    RegWriteA(0x0250, UcStbb0);
    RegWriteA(0x0010, 0x00);
    RegWriteA(0x0020, 0x00);
    DrvSw(0x00);
    SelectGySleep(0x01);
    RegReadA(0x020B, &UcClkon);
    UcClkon &= 0x1A;
    RegWriteA(0x020B, UcClkon);
    break;
  case 0x09:
    RegReadA(0x020B, &UcClkon);
    UcClkon |= 0x05;
    RegWriteA(0x020B, UcClkon);
    SelectGySleep(0x00);
    RegWriteA(0x0030, 0x80);
    DrvSw(0x01);
    RegWriteA(0x0020, 0xC0);
    RegWriteA(0x0010, 0xC0);
    RegReadA(0x0250, &UcStbb0);
    UcStbb0 |= 0x5F;
    RegWriteA(0x0250, UcStbb0);
    break;
  case 0x0A:
    RegWriteA(0x0081, 0x00);
    RegReadA(0x0250, &UcStbb0);
    UcStbb0 &= 0x7F;
    RegWriteA(0x0250, UcStbb0);
    RegWriteA(0x0264, 0x00);
    RegWriteA(0x0090, 0x00);
    AfDrvSw(0x00);
    RegReadA(0x020B, &UcClkon);
    UcClkon &= 0x07;
    RegWriteA(0x020B, UcClkon);
    break;
  case 0x0B:
    RegReadA(0x020B, &UcClkon);
    UcClkon |= 0x18;
    RegWriteA(0x020B, UcClkon);
    AfDrvSw(0x01);
    RegWriteA(0x0090, 0x00);
    RegWriteA(0x0264, 0x05);
    RegReadA(0x0250, &UcStbb0);
    UcStbb0 |= 0x80;
    RegWriteA(0x0250, UcStbb0);
    break;
  }
}
```