NET "clk" TNM_NET = "clk";TIMESPEC "TS_clk" = PERIOD "clk" 10 ns HIGH 50 %;OFFSET = IN 6 ns BEFORE "clk"  ;OFFSET = OUT 7.5 ns AFTER "clk"  ;NET clk LOC=AJ15;Net rst LOC=AG5;net switches<0> LOC = AC11;net switches<1> LOC = AD11;net switches<2> LOC = AF8;net switches<3> LOC = AF9;Net leds<0> LOC=AC4;Net leds<1> LOC=AC3;Net leds<2> LOC=AA6;Net leds<3> LOC=AA5;Net rs232_rx LOC=AJ8;Net rs232_tx LOC=AE7;