X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/c87db60a8f262ec834a46432e5d7b9a4faf09e09..9a5394d1e93d850a3610d08f44b7a83b52178b77:/System.v

diff --git a/System.v b/System.v
index dec02b8..8bc14e9 100644
--- a/System.v
+++ b/System.v
@@ -22,7 +22,7 @@ module InternalRAM(
 	input wr, rd);
 	
 	// synthesis attribute ram_style of reg is block
-	reg [7:0] ram [2047:0];
+	reg [7:0] ram [8191:0];
 	
 	wire decode = address[15:13] == 3'b110;
 	reg [7:0] odata;
@@ -31,11 +31,11 @@ module InternalRAM(
 	
 	always @(negedge clk)
 	begin
-		if (decode)
-		begin
-			if (wr)
-				ram[address[10:0]] <= data;
-			odata <= ram[address[10:0]];
+		if (decode)	// This has to go this way. The only way XST knows how to do
+		begin				// block ram is chip select, write enable, and always
+			if (wr)		// reading. "else if rd" does not cut it ...
+				ram[address[12:0]] <= data;
+			odata <= ram[address[12:0]];
 		end
 	end
 endmodule