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abap
3 years ago
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Indexable
//ex3

module lab9ex3(seg,dig,key);
input [6:1]key;
output reg[7:0]seg;
output reg[7:0]dig;
reg [3:0]value;

always@(negedge key[3]&key[6])
begin
	dig=8'b00000000;
	
	if(key[3]==0)
		value<=value+1;

	if(key[6]==0||value==4'b1010)
		value<=0;
	

	case(value)
		4'h1:seg=8'hf9;
		4'h2:seg=8'ha4;
		4'h3:seg=8'hb0;
		4'h4:seg=8'h99;
		4'h5:seg=8'h92;
		4'h6:seg=8'h82;
		4'h7:seg=8'hf8;
		4'h8:seg=8'h80;
		4'h9:seg=8'h90;
		default:seg=8'hc0;
	endcase
	
end
endmodule
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