CL ?= cl65
-all: c64-scpu-test.prg c128-scpu-test.prg c64dtv-test.prg c64-c128-test.prg
+all: c64-scpu-test.prg c128-scpu-test.prg c64dtv-test.prg \
+ c64-c128-test.prg c128-test.prg
c64-scpu-test.prg: c64-c128-scpu-test.c
$(CL) -t c64 c64-c128-scpu-test.c -o c64-scpu-test.prg
c64-c128-test.prg: c64-c128-test.c
$(CL) -t c64 c64-c128-test.c -o c64-c128-test.prg
+
+c128-test.prg: c64-c128-test.c
+ $(CL) -t c128 c64-c128-test.c -o c128-test.prg