Several small cleanups.

Makefile

@@ -3,20 +3,20 @@ OBJS = reciter.o sam.o render.o main.o debug.o
 CC = gcc
 
 # libsdl present
-CFLAGS =  -Wall -Wpedantic -O2 -DUSESDL `sdl-config --cflags`
+CFLAGS =  -Wall -Os -DUSESDL `sdl-config --cflags`
 LFLAGS = `sdl-config --libs`
 
 # no libsdl present
-#CFLAGS =  -Wall -O2
-#LFLAGS = 
+#CFLAGS =  -Wall -Os
+#LFLAGS =
 
 sam: $(OBJS)
 	$(CC) -o sam $(OBJS) $(LFLAGS)
 
 %.o: src/%.c
 	$(CC) $(CFLAGS) -c $<
 
-package: 
+package:
 	tar -cvzf sam.tar.gz README.md Makefile sing src/
 
 clean:

src/main.c

@@ -156,6 +156,11 @@ int main(int argc, char **argv)
 	char* wavfilename = NULL;
 	char input[256];
 
+#ifdef USESDL
+        freopen("CON", "w", stdout);
+        freopen("CON", "w", stderr);
+#endif
+
 	for(i=0; i<256; i++) input[i] = 0;
 
 	if (argc <= 1)

src/render.c

@@ -817,8 +817,8 @@ if (debug)
 			unsigned int p1 = phase1 * 256; // Fixed point integers because we need to divide later on
 			unsigned int p2 = phase2 * 256;
 			unsigned int p3 = phase3 * 256;
-
-			for (int k=0; k<5; k++) {
+            int k;
+			for (k=0; k<5; k++) {
 				signed char sp1 = (signed char)sinus[0xff & (p1>>8)];
 				signed char sp2 = (signed char)sinus[0xff & (p2>>8)];
 				signed char rp3 = (signed char)rectangle[0xff & (p3>>8)];