diff --git a/.gitignore b/.gitignore
index 102aef8..ad6600a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -343,12 +343,9 @@ make/oscar64
 *.int
 *.bcs
 *.crt
-*.crt
-*.d64
+**/*.d64
 *.tlog
 *.res
 *.recipe
 *.exe
-*.d64
-*.d64
 *.dbj
diff --git a/autotest/makefile b/autotest/makefile
new file mode 100644
index 0000000..570d208
--- /dev/null
+++ b/autotest/makefile
@@ -0,0 +1,50 @@
+CC=../bin/oscar64
+CXX=$(CC)
+SRCS=$(wildcard *.c *.cpp)
+EXES=$(patsubst %.c,%,$(SRCS))
+EXES:=$(patsubst %.cpp,%,$(EXES))
+
+all: $(EXES)
+
+%: %.c
+	$(CC) -e -bc $<
+	$(CC) -e -n $<
+	$(CC) -e -O2 -bc $<
+	$(CC) -e -O2 -n $<
+	$(CC) -e -O0 -bc $<
+	$(CC) -e -O0 -n $<
+	$(CC) -e -Os -bc $<
+	$(CC) -e -Os -n $<
+	$(CC) -e -O3 -bc $<
+	$(CC) -e -O3 -n $<
+
+%: %.cpp
+	$(CXX) -e -bc $<
+	$(CXX) -e -n $<
+	$(CXX) -e -O2 -bc $<
+	$(CXX) -e -O2 -n $<
+	$(CXX) -e -O0 -bc $<
+	$(CXX) -e -O0 -n $<
+	$(CXX) -e -Os -bc $<
+	$(CXX) -e -Os -n $<
+	$(CXX) -e -O3 -bc $<
+	$(CXX) -e -O3 -n $<
+
+# testb
+bitshifttes: bitshifttest.c
+	$(CC) -e -bc $<
+	$(CC) -e -bc -O2 $<
+	$(CC) -e -bc -O0 $<
+	$(CC) -e -bc -Os $<
+	$(CC) -e -bc -O3 $<
+	$(CC) -e -n $<
+
+# testn
+stripedarraytes: stripedarraytest.c
+	$(CC) -e -O2 -n $<
+	$(CC) -e -O0 -n $<
+	$(CC) -e -Os -n $<
+	$(CC) -e -O3 -n $<
+
+clean:
+	$(RM) *.asm *.bcs *.int *.lbl *.map *.prg
diff --git a/samples/memmap/charsetload.d64 b/samples/memmap/charsetload.d64
deleted file mode 100644
index ea91a38..0000000
Binary files a/samples/memmap/charsetload.d64 and /dev/null differ