add music in ADX format

the library used here has been included

Makefile

@@ -13,6 +13,9 @@ CPP_FILES    := $(foreach dir,$(SOURCE_DIRS),$(wildcard $(dir)/*.cpp))
 C_FILES      := $(foreach dir,$(SOURCE_DIRS),$(wildcard $(dir)/*.c))
 OBJS         := $(C_FILES:%.c=%.o) $(CPP_FILES:%.cpp=%.o)
 
+CXXFLAGS     := -IlibADXplay/LibADX
+LIBS         := -lADX
+
 # Optional path to a directory of resources to bundle within your ELF binary.
 # Its contents are accessible via the "/rd/" virtual directory at runtime.
 #KOS_ROMDISK_DIR = romdisk
@@ -33,7 +36,7 @@ rm-elf:
 
 # Invokes the compiler to build the target from our object files
 $(TARGET): $(OBJS)
-	kos-c++ -o $(TARGET) $(OBJS)
+	kos-c++ -o $(TARGET) $(OBJS) $(LIBS)
 
 # Attempts to run the target using the configured loader application
 run: $(TARGET)

README.md

@@ -6,6 +6,10 @@ Port of 3D Pinball - Space Cadet to the Sega Dreamcast, based on the [decompilat
 
 Built with [DreamSDK](https://github.com/dreamsdk/dreamsdk)
 
+Libraries used:
+* LibADX: https://dcemulation.org/phpBB/viewtopic.php?t=101638
+  * With some modifications to compile on latest KallistiOS
+
 ## Controls
 * Paddles: DPad Left-Right / X/B / LT/RT
 * Launch ball: DPad Down / A

libADXplay/LibADX/Makefile

@@ -0,0 +1,7 @@
+#LibADX (C) Josh PH3NOM Pearson 2011
+
+TARGET = libADX.a
+
+OBJS = libadx.o snddrv.o
+
+include $(KOS_BASE)/addons/Makefile.prefab