From 9cd36deffadc4f5ab83f08c2999407b31354027e Mon Sep 17 00:00:00 2001
From: Aargh Rai <aargh.rai+git@gmail.com>
Date: Fri, 20 Feb 2026 17:04:46 +0530
Subject: some moves dynamic array setup & starting position

---
 src/bitboard.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/bitboard.h

(limited to 'src/bitboard.h')

diff --git a/src/bitboard.h b/src/bitboard.h
new file mode 100644
index 0000000..b92d67f
--- /dev/null
+++ b/src/bitboard.h
@@ -0,0 +1,38 @@
+#ifndef BITBOARD_H
+#define BITBOARD_H
+
+#include "ints.h"
+
+typedef u64 bitboard_t;
+
+enum {
+  WHITE_KING,
+  WHITE_QUEEN,
+  WHITE_ROOK,
+  WHITE_BISHOP,
+  WHITE_KNIGHT,
+  WHITE_PAWN,
+  BLACK_KING,
+  BLACK_QUEEN,
+  BLACK_ROOK,
+  BLACK_BISHOP,
+  BLACK_KNIGHT,
+  BLACK_PAWN,
+  PIECE_TYPE_COUNT,
+};
+
+enum {
+  WHITE_SHORT_CASTLE,
+  WHITE_LONG_CASTLE,
+  BLACK_SHORT_CASTLE,
+  BLACK_LONG_CASTLE,
+};
+
+typedef struct {
+  bitboard_t bitboards[PIECE_TYPE_COUNT];
+  u8 castling;
+} position;
+
+position starting_position();
+
+#endif // !BITBOARD_H
-- 
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