Minor edits

src/Makefile

@@ -1,20 +1,21 @@
+ROM=	LISP406
 CFLAGS=	-Wall -g -O3
-LISP406_real=	../ROMs/LISP406
 
-lisp:	tlisp IMAGE reltab.bin combine
-	./combine -i a600 -r b800 tlisp IMAGE reltab.bin >lisp
-
-compare:	lisp
-	cmp $(LISP406_real) lisp && echo success
+$(ROM):	tlisp IMAGE reltab.bin combine
+	./combine -i a600 -r b800 tlisp IMAGE reltab.bin >$(ROM)
 
 tlisp:	lisp*.a
 	acme -DLISVAL='$$8000' -r tlisp.rep -o tlisp lisp.a
 
 tlisphigh:	lisp*.a
 	acme -DLISVAL='$$8100' -o tlisphigh lisp.a
 
+# You probably don't have the run-bbc program.  Instead you need to
+# run tlisp on a BBC computer or emulator, and then execute the
+# commands in init.lsp.
+
 IMAGE:	init.lsp tlisp
-	../bbc/run-bbc -c -i init.lsp tlisp
+	run-bbc -c -i init.lsp tlisp
 
 reltab.bin:	tlisp tlisphigh build-reltab
 	./build-reltab -b -e a400 -h d700 tlisp tlisphigh >reltab.bin
@@ -26,5 +27,5 @@ build-reltab:	build-reltab.o
 combine:	combine.o
 
 clean:
-	rm *.o build-reltab combine tlisp* IMAGE reltab.bin lisp
+	rm *.o build-reltab combine tlisp* IMAGE reltab.bin $(ROM)