CosmOS pre-alpha and launchable application versions of old programs.

Programs/makefile

@@ -13,12 +13,14 @@ EMU ?= ../SplitBit
 BUILD ?= build
 
 # Libraries are included by bare name, so the assembler is told where to find them.
-INCLUDES = -I Libraries
+# CosmOS owns the filesystem library and the service names, so it is a place to look too.
+INCLUDES = -I Libraries -I CosmOS/Source
 
 # The programs worth building. Files in Libraries/ are left out because they have no
 # entry point of their own, and the ones in testPrograms/ are covered by 'make test'
 # in the parent directory.
 PROGRAMS = \
+	CosmOS/Source/cosmos.asm \
 	hello.asm \
 	printHello.asm \
 	inputTest.asm \
@@ -46,6 +48,42 @@ $(BUILD)/%.bin: %.asm
 run-%: $(BUILD)/%.bin
 	$(EMU) $<
 
+# ---- CosmOS ----
+#
+#   make cosmos       Assemble the system and everything it can load.
+#   make cosmos-disk  ... and put the loadable programs on a disk image.
+#   make run-cosmos   ... and boot the machine with that disk in the drive.
+#
+# Programs in Apps/ say where they live with #Base, so the assembler writes them out as
+# loadable programs rather than as boot images. They are named .sbx to keep that
+# difference visible: a .bin is something the machine boots, a .sbx is something a
+# running system loads.
+
+DISKTOOL ?= ../SplitDisk
+COSMOS = $(BUILD)/CosmOS/Source/cosmos.bin
+APPS = $(patsubst CosmOS/Apps/%.asm,$(BUILD)/CosmOS/Apps/%.sbx,$(wildcard CosmOS/Apps/*.asm))
+COSMOS_DISK = $(BUILD)/cosmos.img
+DEPENDENCIES += $(APPS:.sbx=.d)
+
+$(BUILD)/CosmOS/Apps/%.sbx: CosmOS/Apps/%.asm
+	@mkdir -p $(@D)
+	$(ASM) $(INCLUDES) -M $(@:.sbx=.d) -o $@ $<
+
+cosmos: $(COSMOS) $(APPS)
+
+# Made from scratch every time, so that what is on it is what is in Apps/ now and not
+# also whatever used to be.
+$(COSMOS_DISK): $(APPS)
+	@mkdir -p $(@D)
+	rm -f $@
+	$(DISKTOOL) format $@ 64 2
+	@for app in $(APPS); do $(DISKTOOL) put $@ $$app; done
+
+cosmos-disk: $(COSMOS_DISK)
+
+run-cosmos: $(COSMOS) $(COSMOS_DISK)
+	$(EMU) --disk $(COSMOS_DISK) $(COSMOS)
+
 clean:
 	rm -rf $(BUILD)
 
@@ -53,4 +91,4 @@ clean:
 # reassembles every program that includes it.
 -include $(DEPENDENCIES)
 
-.PHONY: all clean
+.PHONY: all clean cosmos cosmos-disk run-cosmos