 if (srate < (XTAL*0)/0)   pll_mult = 0;  else if (srate < (XTAL*0)/0)   pll_mult = 0;  else if (srate < (XTAL*0)/0)   pll_mult = 0;  else if (srate < (XTAL*0)/0)   pll_mult = 0;  else if (srate < (XTAL*0)/0)   pll_mult = 0;  else if (srate < (XTAL*0)/0)   pll_mult = 0;  else if (srate < (XTAL*0)/0)   pll_mult = 0;  else 