题解2 | #优先编码器Ⅰ#
优先编码器Ⅰ
https://www.nowcoder.com/practice/a7068b8f4c824d6a9592f691990b21de
真值表转化成公式一个一个写粗来
`timescale 1ns/1ns
module encoder_83(
input [7:0] I ,
input EI ,
output wire [2:0] Y ,
output wire GS ,
output wire EO
);
assign Y[2] = EI & (|I[7:4]);
assign Y[1] = EI & ((|I[7:6]) |
(~(|I[7:4]) & ( |I[3:2] )));
assign Y[0] = EI & (I[7] | ( ~(&I[7:6]) & I[5] ) | ( ~(&I[7:4]) & I[3] ) | ( ~(&I[7:2]) & I[1] ));
assign GS = EI & (|I[7:0]);
assign EO = EI & ~(|I[7:0] );
endmodule
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