diff --git a/Makefile.rs97 b/Makefile.rs97
index 2542cae..6095d71 100644
--- a/Makefile.rs97
+++ b/Makefile.rs97
@@ -23,7 +23,6 @@ OBJ_CP		= $(notdir $(patsubst %.cpp, %.o, $(SRC_CP)))
 OBJS		= $(OBJ_C) $(OBJ_CP)
 
 CFLAGS		= -Ofast -fdata-sections -ffunction-sections -mno-fp-exceptions -mno-check-zero-division -mframe-header-opt -fsingle-precision-constant -fno-common -mxgot -mips32 -mno-mips16 -fno-PIC -mno-abicalls -flto
-CFLAGS		+= -falign-functions=1 -falign-jumps=1 -falign-loops=1 -falign-labels=1
 CFLAGS		+= -DALIGN_DWORD -DRS97 -Wall -Wextra -DNONBLOCKING_AUDIO
 CFLAGS		+= -DLSB_FIRST -std=gnu99
 CFLAGS		+= -Isource -Isource/cpu_cores/$(Z80_CORE) -Isource/scalers -Isource/ports/$(PORT) -I./source/sound -Isource/unzip -Isource/sdl -Isource/sound/$(SOUND_ENGINE) -Isource/sound_output
@@ -51,7 +50,7 @@ CFLAGS		+= -Isource/scale2x
 SRCDIR		+= ./source/scale2x
 endif
 
-LDFLAGS     = -nodefaultlibs -lc -lgcc -lSDL -no-pie -Wl,--as-needed -Wl,--gc-sections -flto -s
+LDFLAGS     = -nodefaultlibs -lc -lgcc -lm -lSDL -no-pie -Wl,--as-needed -Wl,--gc-sections -flto -s
 
 ifeq ($(PROFILE), YES)
 LDFLAGS 	+= -lgcov
diff --git a/source/ports/gcw0/smsplus.c b/source/ports/gcw0/smsplus.c
index b59979b..29ab392 100644
--- a/source/ports/gcw0/smsplus.c
+++ b/source/ports/gcw0/smsplus.c
@@ -1144,7 +1144,7 @@ int main (int argc, char *argv[])
 						 * ESCAPE is mapped to Select
 						*/
 						case SDLK_HOME:
-						case SDLK_3:
+						case SDLK_END:
 						case SDLK_RCTRL:
 						case SDLK_ESCAPE:
 							selectpressed = 1;
@@ -1193,6 +1193,9 @@ int main (int argc, char *argv[])
 		// Execute frame(s)
 		system_frame(0);
 		
+		// Refresh sound data
+		Sound_Update(snd.output, snd.sample_count);
+		
 		// Refresh video data
 		video_update();