PVS-Studio warning V512 for FCEUX

static uint8 bdata[20];

static void Update(void *data, int arg)
{
 if(*(uint8 *)data)
 {
  *(uint8 *)data=0;
  seq=ptr=0;
  have=1;
  strcpy((char*)bdata,(char *)data+1);
  strcpy((char*)&bdata[13],"SUNSOFT");
 }
}

This suspicious code was found in FCEUX project by PVS-Studio static code analyzer.
Warning message is:
V512 A call of the 'strcpy' function will lead to overflow of the buffer '(char *) & bdata[13]'. - ADDITIONAL IN CURRENT bworld.cpp 64

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/