X-Git-Url: http://git.joshuawise.com/poslink.git/blobdiff_plain/0170e492f95ac26a3f0efb18bbfa60e619935b63..HEAD:/POSLink.v

diff --git a/POSLink.v b/POSLink.v
index 323e0d4..6428436 100644
--- a/POSLink.v
+++ b/POSLink.v
@@ -5,8 +5,8 @@ module POSLink(
 	input [1:0] buttons,
 	output tos_output,
 	output reg data_output,
-	output reg [3:0] anode,
-	output reg [7:0] cathode);
+	output reg [3:0] anode = 4'hF,
+	output reg [7:0] cathode = 8'hFF);
 	
 	reg [3:0] tos_inputs_e;
 	reg [3:0] tos_inputs;
@@ -49,7 +49,8 @@ wire [4:0] edge_counter;
 		tos_select = data[11:10];
 	end
 
-	wire [5:0] output_stuff = { buttons, tos_good };
+	// Buttons are active-low, so invert them. 
+	wire [7:0] output_stuff = { 2'b0, ~buttons, tos_good };
 
 	always @(*)
 		data_output = output_stuff[current_bit[2:0]];
@@ -117,7 +118,7 @@ module TOS_Detect(
 		tos_input_1a <= tos_input;
 	wire transition = tos_input ^ tos_input_1a;
 	
-	reg [3:0] lasttx = 0;
+	reg [4:0] lasttx = 0;
 	always @(posedge xtal) begin
 		if (transition) begin
 			if (lasttx < 2) /* Too soon! */