From abb32d118a1f164a625b0f0f754f6f91e93efd9b Mon Sep 17 00:00:00 2001
From: Ole Morud <ole-morud-git.football131@simplelogin.com>
Date: Fri, 19 Dec 2025 04:09:19 +0100
Subject: [PATCH] Fix Javascript BigInt to Number bug

---
 chess.js      | 14 +-------------
 wasm-compat.c |  4 ++--
 2 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/chess.js b/chess.js
index 740669b..c316ba9 100644
--- a/chess.js
+++ b/chess.js
@@ -22,18 +22,6 @@ const WasmHost = (() => {
     return { load, getFn };
 })();
 
-/*
-static inline struct move wasm_MoveTo_move(uint64_t m)
-{
-	return (struct move) {
-		.appeal = (m >> 24) & 0xFF,
-		.attr   = (m >> 16) & 0xFF,
-		.from   = (m >>  8) & 0xFF,
-		.to     = (m >>  0) & 0xFF,
-	};
-}
-*/
-
 const MoveResult = Object.freeze({
 	Normal:    0,
     Check:     1,
@@ -217,7 +205,7 @@ const run = async () => {
 		console.log("from:", move.from.fileChar(), move.from.rankChar(),
 					"to:",   move.to.fileChar(), move.to.rankChar());
 
-		const mr = wb_move(m);
+		const mr = wb_move(Number(m));
 		if (mr == MoveResult.Stalemate || mr == MoveResult.Checkmate) {
 			console.log(_moveResultName[mr]);
 			break;
diff --git a/wasm-compat.c b/wasm-compat.c
index 110bf1b..07e819a 100644
--- a/wasm-compat.c
+++ b/wasm-compat.c
@@ -38,11 +38,11 @@ uint64_t wb_search(int8_t max_depth)
 	return move_serialize(sr.move);
 }
 
-enum move_result wb_move(uint32_t move)
+int32_t wb_move(uint32_t move)
 {
 	struct move m = move_deserialize(move);
 	enum move_result const r = board_move_2(&g_board, m);
-	return r;
+	return (int32_t)r;
 }
 
 void wb_init()