TINYC写个8052虚拟机(1) Intel HEX文件格式转换为BIN。

void cState_LoadHex(cStatePtr csp, const char *file)
{
  FILE *fp;
  int ch;
  uint16 len, addr, rec_type, data;
  char buff[5];
  
  fp = fopen(file, "r");
  while (!feof(fp))
  {
    ch = fgetc(fp);
    if (strchr("0123456789ABCDEF:", ch) == NULL)
      continue;
    
    if (ch == ':')
    {
      buff[0] = fgetc(fp);
      buff[1] = fgetc(fp);
      buff[2] = 0;
      len = strtol(buff, NULL, 0x10);

      buff[0] = fgetc(fp);
      buff[1] = fgetc(fp);
      buff[2] = fgetc(fp);
      buff[3] = fgetc(fp);
      buff[4] = 0;
      addr = strtol(buff, NULL, 0x10);

      buff[0] = fgetc(fp);
      buff[1] = fgetc(fp);
      buff[2] = 0;
      rec_type = strtol(buff, NULL, 0x10);
    }
    else
    {
      continue;
    }
    
    while (len > 0)
    {
      buff[0] = fgetc(fp);
      buff[1] = fgetc(fp);
      buff[2] = 0;
      csp->rom[addr++] = strtol(buff, NULL, 0x10);
      len--;
    }
  }
  fclose(fp);
}