aboutsummaryrefslogtreecommitdiffstats
path: root/ice40/regressions/issue0186/test.v
diff options
context:
space:
mode:
Diffstat (limited to 'ice40/regressions/issue0186/test.v')
-rw-r--r--ice40/regressions/issue0186/test.v26
1 files changed, 26 insertions, 0 deletions
diff --git a/ice40/regressions/issue0186/test.v b/ice40/regressions/issue0186/test.v
new file mode 100644
index 0000000..577f216
--- /dev/null
+++ b/ice40/regressions/issue0186/test.v
@@ -0,0 +1,26 @@
+`include "pll.v"
+
+module top (
+ input pclk, // 100MHz clock
+ output led1,
+ output led2,
+ output led3
+);
+
+ reg [20:0] cntr;
+ wire lock;
+ wire fclock;
+
+ pll mypll(pclk,fclock,lock);
+
+ always@(posedge fclock) begin
+ if (lock) cntr <= 21'h00000000;
+ else cntr<= cntr+1;
+ end
+
+ assign led1 = cntr[18];
+ assign led2 = cntr[19];
+ assign led3 = cntr[20];
+
+ endmodule
+