+ifeq "$(use_musashi)" "1"
+DEFINES += EMU_M68K
+OBJS += cpu/musashi/m68kops.o cpu/musashi/m68kcpu.o
+endif
+ifeq "$(use_fame)" "1"
+DEFINES += EMU_F68K
+OBJS += cpu/fame/famec.o
+endif
+# z80
+ifeq "$(use_mz80)" "1"
+DEFINES += _USE_MZ80
+OBJS += cpu/mz80/mz80.o
+else
+DEFINES += _USE_CZ80
+OBJS += cpu/cz80/cz80.o
+endif
+# misc
+ifeq "$(use_fame)" "1"
+ifeq "$(use_musashi)" "1"
+OBJS += pico/debugCPU.o
+OBJS += cpu/musashi/m68kdasm.o
+endif
+endif
+OBJS += cpu/musashi/m68kdasm.o
+
+CFLAGS += $(addprefix -D,$(DEFINES))