%IF NOT %DECLARED(BLT) %THEN
LITERAL
BLT = %O'251'; %FI
MACRO
$$BLT(ac, addr) =
BEGIN
BUILTIN
MACHOP;
REGISTER
t,u;
t = (ac);
u = (addr);
MACHOP(blt,t,u,0,1)
END %,
$$COPYVEC(src, dst, len) =
BEGIN
$$BLT(((src) ^ 18) + (dst), ((dst) + (len) - 1))
END %,
$$CLEARVEC(addr,len) =
BEGIN
addr = 0;
$$COPYVEC(addr, addr + 1, len)
END %;