1 files changed, 25 insertions, 0 deletions
diff --git a/src/bitboard.c b/src/bitboard.c
new file mode 100644
index 0000000..05b370b
--- /dev/null
+++ b/src/bitboard.c
@@ -0,0 +1,25 @@
+#include "bitboard.h"
+
+position starting_position() {
+  return (position) {
+    .bitboards = {
+      1152921504606846976ULL,
+      576460752303423488ULL,
+      9295429630892703744ULL,
+      4755801206503243776ULL,
+      2594073385365405696ULL,
+      71776119061217280ULL,
+      16ULL,
+      8ULL,
+      129ULL,
+      66ULL,
+      36ULL,
+      65280ULL
+    },
+    .castling =
+      (1 << WHITE_SHORT_CASTLE) |
+      (1 << WHITE_LONG_CASTLE) |
+      (1 << BLACK_SHORT_CASTLE) |
+      (1 << BLACK_LONG_CASTLE),
+  };
+}