Add support for testing on Apple silicon

.github/workflows/main.yml

@@ -103,7 +103,7 @@ jobs:
     - name: Install Stockfish
       run: brew install stockfish
     - name: Start Stockfish TCP Server
-      run: launchctl load test/helper-files/org.stockfish.plist
+      run: launchctl load test/helper-files/org.stockfish.x86.plist
     - name: Cache Hex packages
       uses: actions/cache@v2
       with:

README.adoc

@@ -225,7 +225,7 @@ binbo:print_board(Pid, [unicode, flip]).
 The examples below assume that Stockfish is used as the chess engine and its path is `/usr/local/bin/stockfish`, change it according to your environment.
 TCP service starts on local machine on port `9010`.
 
-If you are on Linux, install `socat` and start TCP service. On macOS just use file `org.stockfish.plist` provided in the `test` folder (see below).
+If you are on Linux, install `socat` and start TCP service. On macOS just use file `org.stockfish.x86.plist` (for Intel-based devices) or `org.stockfish.arm.plist` (for Apple silicon) provided in the `test` folder (see below).
 
 .On Ubuntu/Debian:
 [source,bash]
@@ -247,12 +247,21 @@ $ cd binbo
 $ rebar3 shell
 ----
 
-.On macOS:
+.On macOS (Intel x86 Architecture):
 [source,bash]
 ----
 $ git clone https://github.com/DOBRO/binbo.git
 $ cd binbo
-$ launchctl load test/helper-files/org.stockfish.plist
+$ launchctl load test/helper-files/org.stockfish.x86.plist
+$ rebar3 shell
+----
+
+.On macOS (Apple silicon):
+[source,bash]
+----
+$ git clone https://github.com/DOBRO/binbo.git
+$ cd binbo
+$ launchctl load test/helper-files/org.stockfish.arm.plist
 $ rebar3 shell
 ----
 

test/helper-files/org.stockfish.arm.plist

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+    <dict>
+        <key>Label</key>
+        <string>org.stockfishchess.stockfishd</string>
+
+        <key>ProgramArguments</key>
+        <array>
+            <string>/opt/homebrew/bin/stockfish</string>
+        </array>
+
+        <key>inetdCompatibility</key>
+        <dict>
+            <key>Wait</key>
+            <false/>
+        </dict>
+
+        <key>Sockets</key>
+        <dict>
+            <key>Listeners</key>
+            <dict>
+                <key>SockServiceName</key>
+                <string>9010</string>
+                <key>SockType</key>
+                <string>stream</string>
+                <key>SockFamily</key>
+                <string>IPv4</string>
+            </dict>
+        </dict>
+    </dict>
+</plist>