first commit

2025-11-24 21:44:39 -05:00
commit 1b017953ee
22 changed files with 240604 additions and 0 deletions
--- a/rtl/Seven_segment_bcd.v
+++ b/rtl/Seven_segment_bcd.v
@@ -0,0 +1,39 @@
+module Seven_segment_bcd(
+    input            clock,
+    input     [13:0] value,
+    input      [1:0] sel,
+    output reg [6:0] seg
+);
+
+    wire [17:0] bcd;
+    wire [3:0]  bcd_digit;
+    
+    initial begin
+        seg = 0;
+    end
+
+    Bin2bcd #(.W(14)) bin2bcd (
+        .bin(value),
+        .bcd(bcd)
+    );
+    
+    assign bcd_digit = bcd[4*sel +: 4];
+    
+    always @(posedge clock) begin
+        case(bcd_digit)
+                     // GFEDCBA
+        4'd0: seg <= 7'b1000000;
+        4'd1: seg <= 7'b1111001;
+        4'd2: seg <= 7'b0100100;
+        4'd3: seg <= 7'b0110000;
+        4'd4: seg <= 7'b0011001;
+        4'd5: seg <= 7'b0010010;
+        4'd6: seg <= 7'b0000010;
+        4'd7: seg <= 7'b1011000;
+        4'd8: seg <= 7'b0000000;
+        4'd9: seg <= 7'b0010000;
+        default: seg <= 7'bx;
+        endcase
+    end
+
+endmodule