?? sbox1.v
字號:
`timescale 1ns/1nsmodule sbox1(addr, dout);input [1:6] addr;output [1:4] dout;reg [1:4] dout;always @(addr) begin case ({addr[1], addr[6], addr[2:5]}) //synopsys full_case parallel_case 0: dout = 14; 1: dout = 4; 2: dout = 13; 3: dout = 1; 4: dout = 2; 5: dout = 15; 6: dout = 11; 7: dout = 8; 8: dout = 3; 9: dout = 10; 10: dout = 6; 11: dout = 12; 12: dout = 5; 13: dout = 9; 14: dout = 0; 15: dout = 7; 16: dout = 0; 17: dout = 15; 18: dout = 7; 19: dout = 4; 20: dout = 14; 21: dout = 2; 22: dout = 13; 23: dout = 1; 24: dout = 10; 25: dout = 6; 26: dout = 12; 27: dout = 11; 28: dout = 9; 29: dout = 5; 30: dout = 3; 31: dout = 8; 32: dout = 4; 33: dout = 1; 34: dout = 14; 35: dout = 8; 36: dout = 13; 37: dout = 6; 38: dout = 2; 39: dout = 11; 40: dout = 15; 41: dout = 12; 42: dout = 9; 43: dout = 7; 44: dout = 3; 45: dout = 10; 46: dout = 5; 47: dout = 0; 48: dout = 15; 49: dout = 12; 50: dout = 8; 51: dout = 2; 52: dout = 4; 53: dout = 9; 54: dout = 1; 55: dout = 7; 56: dout = 5; 57: dout = 11; 58: dout = 3; 59: dout = 14; 60: dout = 10; 61: dout = 0; 62: dout = 6; 63: dout = 13; endcase endendmodule
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