Here it is:

if I change TRISIO config so port 5 is no longer input and directly launch the code, it works properly.

Code:
'****************************************************************
'*  Name    : UNTITLED.BAS                                      *
'*  Author  : [select VIEW...EDITOR OPTIONS]                    *
'*  Notice  : Copyright (c) 2014 [select VIEW...EDITOR OPTIONS] *
'*          : All Rights Reserved                               *
'*  Date    : 15.05.2014                                        *
'*  Version : 1.0                                               *
'*  Notes   :                                                   *
'*          :                                                   *
'****************************************************************
ANSEL = %00000000  'disable analog  
CMCON0 = 7 'disable comparators
TRISIO=%00101000 'input config
OSCCON = %01110111
'Include "Modedefs.bas"
Define OSC 8  ' Set Xtal Frequency
' Clk     Var GPIO.5  ' Data is clocked on rising edge of this pin            kviteli
' Dta   Var GPIO.4  ' Bits are shifted out of this pin          stafilosferi

ZERO    var     GPIO.0
ONE     VAR     GPIO.4
TWO     VAR     GPIO.1
TRE   VAR      GPIO.2
cik var byte  'loop variable
x   var byte   'delay variable
increment var byte 'incremental variable
lop var byte  'also variable
increment=0  'temp
sub var byte 'intracounter variable
sub=9
x=44                   '22 x and 295 y for 30 second loop
y var word 'showdelay   44 and 590 for 1 minute loop
y=590
'INIT tube and reset to 0
inika:
LOW ONE
LOW TWO
LOW TRE
HIGH ZERO
PAUSE x
high one
LOW ZERO
pause x
high two
low one
pause x
high tre
low two
pause x
high zero
low tre
pause x
low zero
koka:
if GPIO.5=0 THEN
goto tavi
ENDIF
pause 1
GOTO KOKA
tavi: 
      
'stage 1______________________________________________
sub=9
gosub sub9
high one  'proper finish?  one and two
pause x
low one
high two
pause x
low two
high zero
Pause Y'delay for display
low zero
sta2:
'stage 2 ______________________________________________
gosub sub9
gosub subzero
Pause Y
low one
'stage 3____________________________________________
gosub sub9
gosub subzero
pause x
high two
low one
Pause Y
high tre
low two
pause x
low tre
'stage 4____________________________________________
sub=8
gosub sub9
gosub subzero
gosub sub2
Pause Y
low tre
'stage 5____________________________________________
gosub sub9
gosub subzero
gosub sub2
pause x
high one
low tre
Pause Y
low one
'stage 6____________________________________________
gosub sub9
gosub subzero
gosub sub2
pause x
high one
low tre
pause x
high two
low one
Pause Y
high tre
low two
'stage 7____________________________________________
pause x
low tre
sub=7
gosub sub9
gosub subzero
gosub sub2
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
Pause Y
low tre
'stage 8____________________________________________
gosub sub9
gosub subzero
gosub sub2
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
high one
low tre
Pause Y
low one
'stage 9____________________________________________
'X=100
gosub sub9
gosub subzero
gosub sub2
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
high one
low tre
pause x
high two
low one
Pause Y
high tre
low two
pause x
'stage 10____________________________________________
low tre
sub=6
gosub sub9
gosub subzero
gosub sub2
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
Pause Y
low tre
'stage 11____________________________________________
low tre
sub=6
gosub sub9
gosub subzero
pause x
high two
low one
pause x
high tre
low two
pause x
gosub sub1
high one
low tre
Pause Y
low ONE
'stage 12____________________________________________
low tre
sub=6
gosub sub9
gosub subzero
pause x
high two
low one
pause x
high tre
low two
pause x
gosub sub1
high one
low tre
pause x
high two
low ONE
Pause Y
low two
'stage 13____________________________________________
high tre
pause x
low tre
sub=5
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
pause x
high two
low ONE
pause x
high tre
low two
Pause Y
low tre
'stage 14____________________________________________
sub=5
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
pause x
high two
low ONE
pause x
high tre
low two
pause x
high one
low tre
Pause Y
low one
'stage 15____________________________________________
sub=5
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
high one
low tre
pause x
high two
low one
Pause Y
low two
'stage 16____________________________________________
high tre
pause x
low tre
sub=4
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
Pause Y
low tre
'stage 17____________________________________________
sub=4
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
high one
low tre
Pause Y
low one
'stage 18____________________________________________
sub=4
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
high one
low tre
pause x
high two
low one
Pause Y
low two
'stage 19____________________________________________
high tre
pause x
low tre
sub=3
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
Pause Y
low tre
'stage 20____________________________________________
sub=3
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
high one
low tre
Pause Y
low one

'stage 21____________________________________________
sub=3
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
gosub sub1
high one
low tre
pause X
high two
low one
Pause Y
low two
'stage 22____________________________________________
high tre
pause x
low tre
sub=2
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
gosub sub1
high one
low tre
pause X
high two
low one
pause x
high tre
low two
Pause Y
low tre

'stage 23____________________________________________
sub=2
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
gosub sub1
high one
low tre
gosub sub2
pause X
high one
low tre
Pause Y
low one
'stage 24____________________________________________
sub=2
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
gosub sub1
high one
low tre
gosub sub2
pause X
high one
low tre
pause X
high two
low one
Pause Y
low two
'stage 25____________________________________________
high tre
pause x
low tre
sub=1
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
gosub sub1
high one
low tre
gosub sub2
pause X
high one
low tre
pause X
high two
low one
pause x
high tre
low two
Pause Y
low tre
'stage 26____________________________________________
sub=1
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
gosub sub1
gosub sub1
high one
low tre
Pause Y
low one
'stage 27____________________________________________
sub=1
gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
gosub sub1
gosub sub1
high one
low tre
pause x
high two
low one
Pause Y
low two
'stage 28____________________________________________
high tre
pause x
low tre
'sub=1
'gosub sub9
gosub subzero
gosub sub2
pause x
'-----
gosub sub1
'------
high one
low tre
gosub sub2
pause x
gosub sub1
gosub sub1
high one
low tre
pause x
high two
low one
pause x
high tre
low two
Pause Y
low tre
'x=400
'stage 29____________________________________________
high one
pause x
high two
low one
pause x
high zero
low two
pause x
low zero
sub=9
gosub sub9
high one
Pause Y
low one
'x=400
'stage 30____________________________________________
high two
pause x
high zero
low two
pause x
low zero
sub=9
gosub sub9
high one
pause x
high two
low one
Pause Y
low two

'stage 31____________________________________________
high zero
pause x
low zero
sub=9
gosub sub9
high one  'proper finish?  one and two
pause x
low one
high two
pause x
low two
high zero
Pause Y
low zero
goto koka
sub9 'subroutine for spinning
for cik=1 to sub 'amount needed for full loop
high one
pause x
high two
low one
pause x
high tre
low two
pause x
low tre
next
return

subzero:
high one  'proper finish?  one and two
pause x
high two
low one
pause x
high zero
low two
pause x'delay for display
high one
low zero 'subzero here
return
sub1: 'smaller sub
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
high one
low tre
pause x
high two
low one
pause x
high tre
low two
pause x
return
sub2: 'even smaller sub
pause x
high two
low one
pause x
high tre
low two
return