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( : variable create 0 , ; )
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( : create here const ; )
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: ! 2 _! ;
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: @ 2 _@ ;
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: , here ! 2 allot ;
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: cell+ 2 + ;
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: cells 2 * ;
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: c! 1 _! ;
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: c@ 1 _@ ;
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: c, here c! 1 allot ;
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: char+ 1+ ;
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: chars ;
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: align here 1 & if 1 allot then ;
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: aligned dup 1 & if 1 + then ;
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( set decimal numbers )
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10 0 !
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: . 0 sys ;
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: emit 1 sys ;
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: over 1 pick ;
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: -rot rot rot ;
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: nip swap drop ;
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: tuck swap over ;
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: +! swap over @ + swap ! ;
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: and & ;
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: or | ;
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: xor ^ ;
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: lshift << ;
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: rshift >> ;
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: mod % ;
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: 2* 2 * ;
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: 2/ 2 / ;
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: 0= 0 = ;
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: 0< 0 < ;
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: <= 2dup < -rot = and ;
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: > <= 0= ;
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: 1+ 1 + ;
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: 1- 1 - ;
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: 2drop drop drop ;
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: 2dup over over ;
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: 2over 3 pick 3 pick ;
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: 2swap rot >r rot r> ;
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: r@ r> dup >r ;
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: 2! swap over ! cell+ ! ;
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: 2@ dup cell+ @ swap @ ;
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: cr 9 emit ;
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: bl 32 ;
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: space bl emit ;
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: state 1 ;
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: base 0 ;
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: decimal 1 2* base ! 1010 base ! ;
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: ?dup dup if dup then ;
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: negate -1 * ;
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: abs dup 0< if negate then ;
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: min 2dup <= if drop else nip then ;
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: max 2dup <= if nip else drop then ;
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