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[fpgaboy.git] / 7seg.v
diff --git a/7seg.v b/7seg.v
index c64e7d5..ba988b0 100644 (file)
--- a/7seg.v
+++ b/7seg.v
@@ -1,8 +1,9 @@
 module AddrMon(
        input [15:0] addr,
        input clk,
+       input [3:0] periods,
        output reg [3:0] digit,
-       output reg [7:0] out,
+       output wire [7:0] out,
        input freeze
        );
 
@@ -15,7 +16,14 @@ module AddrMon(
                (dcount == 2'b00) ? latch[3:0]  :
                (dcount == 2'b01) ? latch[7:4]  :
                (dcount == 2'b10) ? latch[11:8] :
-                                    latch[15:12];
+                                   latch[15:12];
+       
+       reg [6:0] odigit;
+       assign out = {odigit,
+                       ~((dcount == 2'b00) ? periods[0] :
+                         (dcount == 2'b01) ? periods[1] :
+                         (dcount == 2'b10) ? periods[2] :
+                                             periods[3]) };
 
        always @ (negedge clk) begin
                if (clkdv == 31) begin
@@ -31,25 +39,26 @@ module AddrMon(
 
                        case(curval)
                                                        /* ABCDEFGP */
-                       4'h0: out <= ~8'b11111100;
-                       4'h1: out <= ~8'b01100000;
-                       4'h2: out <= ~8'b11011010;
-                       4'h3: out <= ~8'b11110010;
-                       4'h4: out <= ~8'b01100110;
-                       4'h5: out <= ~8'b10110110;
-                       4'h6: out <= ~8'b10111110;
-                       4'h7: out <= ~8'b11100000;
-                       4'h8: out <= ~8'b11111110;
-                       4'h9: out <= ~8'b11110110;
-                       4'hA: out <= ~8'b11101110;
-                       4'hB: out <= ~8'b00111110;
-                       4'hC: out <= ~8'b10011100;
-                       4'hD: out <= ~8'b01111010;
-                       4'hE: out <= ~8'b10011110;
-                       4'hF: out <= ~8'b10001110;
+                       4'h0: odigit <= ~8'b1111110;
+                       4'h1: odigit <= ~8'b0110000;
+                       4'h2: odigit <= ~8'b1101101;
+                       4'h3: odigit <= ~8'b1111001;
+                       4'h4: odigit <= ~8'b0110011;
+                       4'h5: odigit <= ~8'b1011011;
+                       4'h6: odigit <= ~8'b1011111;
+                       4'h7: odigit <= ~8'b1110000;
+                       4'h8: odigit <= ~8'b1111111;
+                       4'h9: odigit <= ~8'b1111011;
+                       4'hA: odigit <= ~8'b1110111;
+                       4'hB: odigit <= ~8'b0011111;
+                       4'hC: odigit <= ~8'b1001110;
+                       4'hD: odigit <= ~8'b0111101;
+                       4'hE: odigit <= ~8'b1001111;
+                       4'hF: odigit <= ~8'b1000111;
                        endcase
                end else
                        clkdv <= clkdv + 1;
+               
                if (~freeze)
                        latch <= addr;
        end
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