change width in blinky sim

blinky/Makefile

@@ -16,7 +16,7 @@ all: $(SIM_TARGET)  $(BIN_TARGET)
 # -GWIDTH=5 allows passing parameter to verilog module
 obj_dir/Vblinky.cpp: blinky.v
 	@echo "Running verilator"
-	@$(VERILATOR) --trace -Wall -GWIDTH=20 -cc blinky.v
+	@$(VERILATOR) --trace -Wall -GWIDTH=15 -cc blinky.v
 
 obj_dir/Vblinky__ALL.a: obj_dir/Vblinky.cpp
 	@make --no-print-directory -C obj_dir -f Vblinky.mk

blinky/blinky.cpp

@@ -35,7 +35,7 @@ int main(int argc, char **argv) {
 	unsigned tickcount = 0;
   int last_led = tb->o_led;
 
-	for(int k=0; k<(1 << 23); k++) {
+	for(int k=0; k<(1 << 18); k++) {
     tick(++tickcount, tb, tfp);
 
     if (last_led != tb->o_led) {