I changed the Makefiles so that I could make run without rebuilding

everything. This is mainly because I often boot the system several times
in a row when debugging, and I didn't want to have to build everything
just to reboot the system :-)

Makefile

@@ -4,7 +4,7 @@ all: buildit
 buildit:
 	cd build && make all
 
-run:
+run: buildit
 	cd build && make run
 
 clean:

build/Makefile

@@ -15,14 +15,14 @@ OTHERSRC=../src/other
 TESTSRC=../src/tests
 
 # targets
-BINDIR=../bin
-TESTDIR=../tests
+BINDIR=bin
+TESTDIR=tests
 IMAGEFILE=image.fs
 
 all: cmd others a.rim image
 
 # Manually make all before make run
-run: clean all
+run:
 	$(PDP7) unixv0.simh
 
 a.rim: