always @(negedge clk)
begin
- if (decode)
- begin
- if (wr)
+ 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