dd if=/dev/zero of=$@ bs=512 count=2880
dd if=$< of=$@ conv=notrunc
+pcboot.iso: floppy.img
+ rm -rf cdrom
+ git archive --format=tar --prefix=cdrom/ HEAD | tar xf -
+ cp $< cdrom
+ mkisofs -o $@ -R -J -V pcboot -b $< cdrom
+
+
boot.img: bootldr.bin $(bin)
cat bootldr.bin $(bin) >$@