diff --git a/src/bh/ttt.logo b/src/bh/ttt.logo
index a096f003..b3707605 100644
--- a/src/bh/ttt.logo
+++ b/src/bh/ttt.logo
@@ -1,49 +1,109 @@
 ;;; Tic-Tac-Toe Game written by Dr. Brian Harvey
 ;;; Adapted to PDP-10/ITS LLOGO by Alexey Slyusar
 
+;; version 0.01
+
 ;; OVERALL ORCHESTRATION
+; debugged code
 
 TO TTT
 10 LOCAL 'ME
 20 LOCAL 'YOU
-30 LOCAL 'POSITION
-40 DRAW.BOARD
-50 INIT
-60 IF ALREADY.WONP :ME [PRINT [I WIN!] STOP]
-70 IF TIEDP [PRINT [TIE GAME!] STOP]
-80 YOUPLAY GETMOVE
-90 IF ALREADY.WONP :YOU [PRINT [YOU WIN!] STOP]
-100 IF TIEDP [PRINT [TIE GAME!] STOP]
-110 MEPLAY GETMOVE
+30 INIT
+40 IF ALREADY.WONP :ME PRINT [$I WIN!$] STOP
+50 IF TIEDP PRINT [$TIE GAME!$] STOP
+60 YOUPLAY GETMOVE
+70 IF ALREADY.WONP :YOU PRINT [$YOU WIN!$] STOP
+80 IF TIEDP PRINT [$TIE GAME!$] STOP
+90 MEPLAY GETMOVE
+100 GO 40
 END
 
 TO MAKE.TRIPLES
-10 OP MAP "SUBSTITUTE.TRIPLE [123 456 789 147 258 369 159 357]
+10 OP MAP 'SUBSTITUTE.TRIPLE [123 456 789 147 258 369 159 357]
 END
 
 TO SUBSTITUTE.TRIPLE :COMBINATION
-10 OP MAP [ITEM ? :POSITION] :COMBINATION
+10 OP MAP [SUBSTITUTE.TRIPLE.HPROC ?] :COMBINATION
+END
+
+TO SUBSTITUTE.TRIPLE.HPROC :I
+10 OP ITEM :I LISTARRAY 'POSITION
 END
 
 TO ALREADY.WONP :PLAYER
-10 OP MEMBERP (WORD :PLAYER :PLAYER :PLAYER) (MAKE.TRIPLES)
+10 OP MEMBERP (WORD :PLAYER :PLAYER :PLAYER)(MAKE.TRIPLES)
 END
 
 TO TIEDP
-10 OP NOT REDUCE 'OR MAP.SE 'NUMBERP LISTARRAY 'POSITION
+10 OP NOT REDUCE 'OR MAP 'NUMBERP LISTARRAY 'POSITION
 END
 
 TO YOUPLAY :SQUARE
-10 DRAW :YOU :SQUARE
-20 SETITEM :SQUARE :POSITION :YOU
+10 (STORE (POSITION :SQUARE) :YOU)
 END
+;YOUPLAY DEFINED
 
 TO MEPLAY :SQUARE
-10 DRAW :ME :SQUARE
-20 SETITEM :SQUARE :POSITION :YOU
+10 (STORE (POSITION :SQUARE) :ME)
 END
+;MEPLAY DEFINED
 
-;;COMPUTE PROGRAM'S MOVES
+;; INITIALIZATION
+TO INIT
+10 (ARRAY POSITION T 9)
+20 (FILLARRAY 'POSITION [1 2 3 4 5 6 7 8 9])
+30 PRINT [$DO YOU WANT TO PLAY FIRST (X)$]
+40 PRINT [$OR SECOND (O)? TYPE X OR O:$]
+45 CR
+50 CHOOSE
+60 PRINT [$FOR EACH MOVE, TYPE A DIGIT 1-9.$]
+END
+;INIT DEFINED
+
+TO CHOOSE
+10 LOCAL 'SIDE
+20 MAKE 'SIDE (READCH)
+;30 PRINT :SIDE
+40 IF EQUAL :SIDE 'X CHOOSEX STOP
+50 IF EQUAL :SIDE 'O CHOOSEO STOP
+60 PRINT [$HUH? TYPE X OR O:$]
+70 GO 20
+END
+;CHOOSE DEFINED
+
+TO CHOOSEO
+10 MAKE 'ME 'X
+20 MAKE 'YOU 'O
+END
+;CHOOSEO DEFINED
+
+TO CHOOSEX
+10 MAKE 'ME 'O
+20 MAKE 'YOU 'X
+END
+;CHOOSEX DEFINED
+
+;; GET OPPONENTS MOVES
+TO GETMOVE
+10 LOCAL 'SQUARE
+20 TYPE [$YOUR MOVE:$]
+30 MAKE 'SQUARE READCH
+40 PRINT :SQUARE
+50 IF NUMBERP :SQUARE IF AND (:SQUARE > 0)(:SQUARE < 10) IF FREEP :SQUARE OP :S!
+QUARE
+60 PRINT [$NOT A VALID MOVE.$]
+70 GO 20
+END
+;GETMOVE DEFINED
+
+TO FREEP :SQUARE
+10 OP NUMBERP ITEM :SQUARE (LISTARRAY 'POSITION)
+END
+;FREEP DEFINED
+
+;;COMPUTE PROGRAMS MOVES
+; not debugged yet section
 
 TO PICKMOVE :TRIPLES
 10 LOCAL 'TRY
@@ -99,6 +159,5 @@ TO BEST.MOVE :MY.SINGLE
 70 OP LAST :MY.SINGLE
 END
 
-TO MAKE.TRIPLES
-10 OP MAP 'SUBSTITUTE.TRIPE [123 456 789 147 258 369 159 357]
-END
+;; LOAD PROCEDURES FROM LIB.LOGO
+RF LIB > DSK BH
\ No newline at end of file