(svn r7106) -Feature: Allow over-building of compatible railtypes, i.e. normal and
electrified rail. If building electrified rail, normal rail is upgraded
for you (for the normal cost).

		.CODE

PUBLIC	_get_save_esp
_get_save_esp:
		MOV	RAX,RSP
		RET

PUBLIC	_rdtsc
_rdtsc:
		RDTSC
		MOV RCX,RDX
		SHL RCX,32
		AND RAX,0FFFFFFFFh
		OR  RAX,RCX
		RET

		END