modified:   Fehlercodes
	modified:   Makefile
	modified:   lib/scanf.c
	modified:   mem_layout.md
	modified:   system/start.c
	new file:   driver/readWriteSpecReg.c
	new file:   driver/sysTimer.c
	new file:   include/readWriteSpecReg.h
	new file:   include/sysTimer.h