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Inverted seven segment decoder to reflect the common anode

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riley committed 2026-09-03 16:27:01 +10:00
1 parent 6668969b03
commit f881a4126b
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+17 -17
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modules/seven_seg.sv
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@@ -1,23 +1,23 @@
module seven_seg(input logic [3:0] num, input logic [0:0] rbi_inv, output logic [7:0] segments);
always_comb begin
case (num)
4'b0000: segments = (rbi_inv) ? 8'b11111101 : 8'b00000000;
4'b0001: segments = 8'b01100001;
4'b0010: segments = 8'b11011011;
4'b0011: segments = 8'b11110011;
4'b0100: segments = 8'b01100111;
4'b0101: segments = 8'b10110111;
4'b0110: segments = 8'b10111111;
4'b0111: segments = 8'b11100001;
4'b1000: segments = 8'b11111111;
4'b1001: segments = 8'b11100111;
4'b1010: segments = 8'b11101111;
4'b1011: segments = 8'b00111111;
4'b1100: segments = 8'b10011101;
4'b1101: segments = 8'b01111011;
4'b1110: segments = 8'b10011111;
4'b1111: segments = 8'b10001111;
default: segments = 8'bxxxxxxxx;
4'b0000: segments = (rbi_inv) ? ~(8'b11111101) : ~(8'b00000000);
4'b0001: segments = ~(8'b01100001);
4'b0010: segments = ~(8'b11011011);
4'b0011: segments = ~(8'b11110011);
4'b0100: segments = ~(8'b01100111);
4'b0101: segments = ~(8'b10110111);
4'b0110: segments = ~(8'b10111111);
4'b0111: segments = ~(8'b11100001);
4'b1000: segments = ~(8'b11111111);
4'b1001: segments = ~(8'b11100111);
4'b1010: segments = ~(8'b11101111);
4'b1011: segments = ~(8'b00111111);
4'b1100: segments = ~(8'b10011101);
4'b1101: segments = ~(8'b01111011);
4'b1110: segments = ~(8'b10011111);
4'b1111: segments = ~(8'b10001111);
default: segments = ~(8'bxxxxxxxx);
endcase
end
endmodule