(svn r3524) - Split newgrf features from engine.[ch] into newgrf_engine.[ch], and add the new files to project files.
.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