ARTX and MDK3.11 problem

Hi, I use MDK3.11 and I compiled a simple project with realview with rtl.h with no problem. But when I tried to include artx.h I got errors. What is the problem?
ARTX and MDK3.11 problem

Hi, I use MDK3.11 and I compiled a simple project with realview with rtl.h with no problem. But when I tried to include artx.h I got errors. What is the problem?
ARTX

ARTX it have datasheet for programing or user's guide, because i need learn ARTX programing. i am new programmer, i don't understand for ARTX.
ARTX

ARTX it have datasheet for programing or user's guide, because i need learn ARTX programing. i am new programmer, i don't understand for ARTX.
ARM7+ARTX

I find a ARM7+ARTX manual and where are downloads manual?