Add rule to build a disk image with all the DOS files.

Makefile

@@ -67,6 +67,9 @@ EXTRA=\
       startup.bat\
       bwdfunct.bas\
 
+# The resulting ATR image
+ATR=bwdos.atr
+
 #######################################################################
 # Main rules
 
@@ -80,6 +83,7 @@ O_TOOLS_MULTI=$(TOOLS_MULTI:%=$(DISK)/%)
 O_TOOLS_EOR=$(TOOLS_EOR:%=$(DISK)/%)
 O_XDOS=$(XDOS:%=$(DISK)/%)
 O_EXTRA=$(EXTRA:%=$(DISK)/%)
+O_ATR=$(ATR:%=$(BUILD)/%)
 
 OUT=\
     $(O_TOOLS)\
@@ -88,7 +92,13 @@ OUT=\
     $(O_XDOS)\
     $(O_EXTRA)\
 
-all: $(OUT)
+# Main rule: build the ATR image
+all: $(O_ATR)
+
+# Build boot-able DOS disk image
+$(O_ATR): $(OUT) | $(BUILD)
+	mkatr $@ $(DISK)/dos -b $(O_XDOS) \
+		$(sort $(O_TOOLS) $(O_TOOLS_MULTI) $(O_TOOLS_EOR) $(O_EXTRA))
 
 # Build DOS
 $(O_XDOS):dos/bwdos.asm | $(DISK)/dos

README.md

@@ -6,7 +6,8 @@ assembly syntax.
 
 All the sources assemble and produce exactly the same binaries than in the
 original distribution, there is a makefile to assemble all sources, just type
-`make` to regenerate all the files in the `build/disk` folder.
+`make` to regenerate all the files in the `build/disk` folder and build a
+disk image using the `mkatr` tool.
 
 
 Description of the files