resetsl.s
99/10/02:	???
99/10/03:	???
99/10/08:	???(basic and somewhat usable version)
99/10/13:	changed the address used in resetting the stack area
			from SRAM_END to SDRAM_END

utilsl.h
99/10/02:	???
99/10/03:	???
99/10/05:	???
99/10/13:	address defined for SDRAM is added

utilsl.s
99/10/09:	??? this is the base of the following two
99/10/10:	99/10/09 + nop around ld and st in ramtest
99/10/11:	99/10/09 + no cache_on in ramtest
