Create show_in_rotation.v

Author: MKMonkeyCat

fragment/segment_display_7/show_in_rotation.v

@@ -0,0 +1,33 @@
+// seven segment display, Show in rotation
+// +-a-+
+// f   b    0b  0|0|0|0|0|0|0|0
+// +-g-+    -- dp|g|f|e|d|c|b|a
+// e   c
+// +-d-+ dp
+// ---------------------------------------------------------------------------
+// 0 [0x3f] => a | b | c | d | e | f     5 [0x6d] => a | c | d | f | g
+// 1 [0x06] => b | c                     6 [0x7c] => c | d | e | f | g
+// 2 [0x5b] => a | b | d | e | g         7 [0x07] => a | b | c
+// 3 [0x4f] => a | b | c | d | g         8 [0x7f] => a | b | c | d | e | f | g
+// 4 [0x66] => b | c | f | g             9 [0x6f] => a | b | c | d | f | g
+// ---------------------------------------------------------------------------
+
+module show_in_rotation(input clk, output reg [7:0] out);
+  reg [3:0] count;
+
+  always @(posedge clk) begin
+    case(count)
+      4'b0000: out <= 8'h3f;  // 0
+      4'b0001: out <= 8'h06;  // 1
+      4'b0010: out <= 8'h5b;  // 2
+      4'b0011: out <= 8'h4f;  // 3
+      4'b0100: out <= 8'h66;  // 4
+      4'b0101: out <= 8'h6d;  // 5
+      4'b0110: out <= 8'h7c;  // 6
+      4'b0111: out <= 8'h07;  // 7
+      4'b1000: out <= 8'h7f;  // 8
+      4'b1001: out <= 8'h6f;  // 9
+    endcase
+    count <= count + 1;
+  end
+endmodule