collapseos/blk/435

: VARIABLE CREATE 2 ALLOT ;
: CONSTANT CREATE , DOES> @ ;

( In addition to pushing H@ this compiles 2>R so that loop
  variables are sent to PS at runtime )
: DO COMPILE 2>R H@ ; IMMEDIATE
: LOOP COMPILE (loop) H@ - , ; IMMEDIATE
: LEAVE R> R> DROP I 1- >R >R ;