pingu_98/icicle
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix ram_sel/leds_sel decoding

Browse source 
Wildcards can only be used in casez statements - not in if statements.
This commit is contained in:
Graham Edgecombe 2017-12-06 22:10:30 +00:00
parent 82394bce1c
commit bb5f2c8d8c
1 changed files with 12 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
top.sv
View file

@ -80,7 +80,17 @@ module top (
logic [31:0] mem_read_value = ram_read_value | leds_read_value;
logic [31:0] mem_write_value;
logic ram_sel = mem_address[31:0] == 32'b00000000_00000000_????????_????????;
always_comb begin
ram_sel = 0;
leds_sel = 0;
casez (mem_address)
32'b00000000_00000000_????????_????????: ram_sel = 1;
32'b00000000_00000001_00000000_000000??: leds_sel = 1;
endcase
end
logic ram_sel;
logic [31:0] ram_read_value;
ram ram (
@ -98,7 +108,7 @@ module top (
.read_value_out(ram_read_value)
);
logic leds_sel = mem_address[31:0] == 32'b00000000_00000001_00000000_000000??;
logic leds_sel;
logic [31:0] leds_read_value = {24'b0, leds_sel ? leds : 8'b0};
always_ff @(posedge pll_clk) begin