net CLK period = 20 ns ;

NET "CLK" 		LOC = "T9";

# pb_in<0> is the righmost, pb_in<1> here the leftmost push button:
NET "pb_in<0>" 		LOC = "M13";
NET "pb_in<1>" 		LOC = "L14";

# led_out<0> is the righmost.
# NET "led_out<0>" 	LOC = "K12";
# NET "led_out<1>" 	LOC = "P14";
# NET "led_out<2>" 	LOC = "L12";
# NET "led_out<3>" 	LOC = "N14";
# NET "led_out<4>" 	LOC = "P13";
# NET "led_out<5>" 	LOC = "N12";
# NET "led_out<6>" 	LOC = "P12";
# NET "led_out<7>" 	LOC = "P11";

# digit_out<0> is anode for the righmost, digit_out<3> for the leftmost
# segment:
NET "digit_out<0>" 	LOC = "D14";
NET "digit_out<1>" 	LOC = "G14";
NET "digit_out<2>" 	LOC = "F14";
NET "digit_out<3>" 	LOC = "E13";

# segment encoding
#      0
#     ---  
#  5 |   | 1
#     ---   <- 6
#  4 |   | 2
#     --- . <- 7
#      3

NET "seg_out<0>" 	LOC = "E14";
NET "seg_out<1>" 	LOC = "G13";
NET "seg_out<2>" 	LOC = "N15";
NET "seg_out<3>" 	LOC = "P15";
NET "seg_out<4>" 	LOC = "R16";
NET "seg_out<5>" 	LOC = "F13";
NET "seg_out<6>" 	LOC = "N16";
NET "seg_out<7>" 	LOC = "P16";

# sw_in<0> is the righmost, sw_in<7> the leftmost slide switch:
#NET "sw_in<0>" 		LOC = "F12";
#NET "sw_in<1>" 		LOC = "G12";
#NET "sw_in<2>" 		LOC = "H14";
#NET "sw_in<3>" 		LOC = "H13";
#NET "sw_in<4>" 		LOC = "J14";
#NET "sw_in<5>" 		LOC = "J13";
#NET "sw_in<6>" 		LOC = "K14";
#NET "sw_in<7>" 		LOC = "K13";