Определить, что программа запущена в пространстве Virtual PC

Оформил: DeeCo

{ 
  This function can be used to determine whether your program is 
  running from within Connectrix's Virtual PC 
}

 function running_inside_vpc: boolean; assembler;
 asm
   push ebp

   mov  ecx, offset @@exception_handler
   mov  ebp, esp

   push ebx
   push ecx
   push dword ptr fs:[0]
   mov  dword ptr fs:[0], esp

   mov  ebx, 0 // flag 
  mov  eax, 1 // VPC function number 

  // call VPC 
  db 00Fh, 03Fh, 007h, 00Bh

   mov eax, dword ptr ss:[esp]
   mov dword ptr fs:[0], eax
   add esp, 8

   test ebx, ebx
   setz al
   lea esp, dword ptr ss:[ebp-4]
   mov ebx, dword ptr ss:[esp]
   mov ebp, dword ptr ss:[esp+4]
   add esp, 8
   jmp @@ret
   @@exception_handler:
   mov ecx, [esp+0Ch]
   mov dword ptr [ecx+0A4h], -1 // EBX = -1 -> not running, ebx = 0 -> running 
  add dword ptr [ecx+0B8h], 4 // -> skip past the detection code 
  xor eax, eax // exception is handled 
  ret
   @@ret:
 end;