modified:   Makefile
	modified:   README
	new file:   demo/btree/Makefile
	new file:   demo/btree/btree.c
	new file:   demo/btree/fuckgcc.s
	new file:   demo/btree/link.ld
	new file:   demo/btree/start.c
	new file:   demo/keyboard/keyboard.c
	modified:   demo/math/Makefile
	new file:   demo/math/fuckgcc.s
	modified:   demo/math/math.c
	deleted:    demo/math/math.o
	deleted:    demo/math/start.o
	new file:   demo/poweroff/poweroff.c
	new file:   demo/sketchpad/Makefile
	new file:   demo/sketchpad/fuckgcc.s
	new file:   demo/sketchpad/link.ld
	new file:   demo/sketchpad/math
	new file:   demo/sketchpad/sketchpad.c
	new file:   demo/sketchpad/start.c
	modified:   else/link.s
	modified:   init/ahci/else/start.c
	modified:   init/ahci/fs/fat.c
	modified:   init/ahci/fs/fat.s
	modified:   init/ahci/parttable/mount.c
	modified:   init/ahci/parttable/parttable.c
	modified:   init/ahci/sata/sata.s
	modified:   init/jarvis/f4.s
	new file:   zero