Add C simulation testbench

2 files changed, 28 insertions, 0 deletions

diff --git a/tb/sim/fibonacci.c b/tb/sim/fibonacci.c
new file mode 100644
index 0000000..f02398a
--- /dev/null
+++ b/tb/sim/fibonacci.c
@@ -0,0 +1,13 @@
+void reset()
+{
+	int a = 1, b = 1, *p = (int*)0x00010000;
+
+	for(int i = 0; i < 20; ++i)
+	{
+		int c = a + b;
+
+		*p++ = a;
+		a = b;
+		b = c;
+	}
+}
diff --git a/tb/sim/fibonacci.py b/tb/sim/fibonacci.py
new file mode 100644
index 0000000..48a17d8
--- /dev/null
+++ b/tb/sim/fibonacci.py
@@ -0,0 +1,15 @@
+BASE = 0x0001_0000
+COUNT = 20
+
+mem_dumps = [range(BASE, BASE + 4 * COUNT)]
+
+def final():
+    words = []
+    a, b = 1, 1
+
+    for _ in range(COUNT):
+        words.append(a)
+        c = a + b
+        a, b = b, c
+
+    assert_mem(BASE, words)