--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os9/Makefile	Mon Jul 23 16:07:12 2018 +0900
@@ -0,0 +1,29 @@
+all: os9mod makerom os9d.rom os9lv2.rom os9v.rom
+
+CC=clang
+CFLAGS = -g
+
+os9mod : crc.c os9.h os9mod.c os9.h
+	$(CC) $(CFLAGS) -o os9mod crc.c  os9mod.c
+
+makerom : makerom.c
+	$(CC) $(CFLAGS) -o makerom  makerom.c
+
+clean :
+	rm -rf makerom *.rom os9mod *.dSYM
+
+os9v1.rom : makerom level1/init 
+	./makerom -o os9v1.rom  level1/shell level1/sysgo level1/ioman level1/term level1/pty level1/pdisk level1/d0 level1/d1 level1/vrbf level1/v0 level1/clock level1/scf level1/rbf level1/init level1/os9p2 level1/os9p1
+   
+os9v2.rom : makerom level2/init
+	./makerom -o os9v2.rom -2  level2/Shell  level2/dir level2/d1 level2/ioman  level2/os9p3_perr level2/os9p4_regdump  level2/pipe level2/piper level2/pipeman  level2/v0 level2/vrbf level2/scf level2/rbf level2/os9p2 level2/sysgo level2/clock level2/pdisk level2/d0 level2/pty level2/term level2/init level2/boot level2/os9p1 
+
+level1/init : nitros9-code
+	cd level1 ; make
+
+level2/init : nitros9-code
+	cd level2 ; make
+
+nitros9-code :
+	hg clone http://hg.code.sf.net/p/nitros9/code nitros9-code
+