Add gitignore for simulation folder

diff --git a/gram/simulation/.gitignore b/gram/simulation/.gitignore
new file mode 100644 (file)
index 0000000..cb72720
--- /dev/null
+++ b/gram/simulation/.gitignore
@@ -0,0 +1,10 @@
+# Icarius Verilog generated files
+simcrg
+simsoc
+
+# nMigen generated files
+simcrg.v
+simsoc.v
+
+# VCD files
+*.vcd