Pastel Chime Continue: Add MusicSystem HLL

CMakeLists.txt

@@ -162,6 +162,7 @@ target_sources(xsystem4 PRIVATE
   src/hll/MsgLogManager.c
   src/hll/MsgLogViewer.c
   src/hll/MsgSkip.c
+  src/hll/MusicSystem.c
   src/hll/NewFont.c
   src/hll/OutputLog.c
   src/hll/PassRegister.c

src/ffi.c

@@ -468,6 +468,7 @@ extern struct static_library lib_MonsterInfo;
 extern struct static_library lib_MsgLogManager;
 extern struct static_library lib_MsgLogViewer;
 extern struct static_library lib_MsgSkip;
+extern struct static_library lib_MusicSystem;
 extern struct static_library lib_NewFont;
 extern struct static_library lib_OutputLog;
 extern struct static_library lib_PassRegister;
@@ -578,6 +579,7 @@ static struct static_library *static_libraries[] = {
 	&lib_MsgLogManager,
 	&lib_MsgLogViewer,
 	&lib_MsgSkip,
+	&lib_MusicSystem,
 	&lib_NewFont,
 	&lib_OutputLog,
 	&lib_PassRegister,

src/hll/MusicSystem.c

@@ -0,0 +1,23 @@
+/* Copyright (C) 2025 kichikuou <KichikuouChrome@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://gnu.org/licenses/>.
+ */
+
+#include "hll.h"
+
+HLL_WARN_UNIMPLEMENTED(, void, MusicSystem, SetErrorOutput, bool bOutputIDE, bool bErrorMsgBox);
+
+HLL_LIBRARY(MusicSystem,
+	    HLL_EXPORT(SetErrorOutput, MusicSystem_SetErrorOutput)
+	    );

src/meson.build

@@ -123,6 +123,7 @@ xsystem4 = [version_h,
             'hll/MsgLogManager.c',
             'hll/MsgLogViewer.c',
             'hll/MsgSkip.c',
+            'hll/MusicSystem.c',
             'hll/NewFont.c',
             'hll/OutputLog.c',
             'hll/PassRegister.c',