' **********************************************************************
' ** Program name: PPOCN351.BAS  -  Version : 1.1  -   05 June 2000   **
' ** Compiler : BASCOM 8051 DEMO, (IDE V.2.0.0.0, LIB V.2.0)          **
' ** Board : K51-AVR                                                  **
' ** Firm:   grifo(r) ITALIAN TECHNOLOGY                              **
' ** Via Dell' Artigiano 8/6          40016 San Giorgio di Piano (BO) **
' ** Tel.+39 051 892 052     Fax +39 051 893 661                      **
' ** http://www.grifo.com    http://www.grifo.it                      **
' ** sales@grifo.it          tech@grifo.it          grifo@grifo.it    **
' **                                                                  **
' ** Written by:  Adriano Pedrielli                                   **
' **********************************************************************
'
' This program turns on in sequence the 16 TTL lines available on
' connector CN3.
'
' Before compiling select in menu Option/Compiler/Misc/ :
' Byte End 5F.
'
'***********************************************************************
'
'********************* Compiler Directives *****************************
'
$regfile = "8052.DAT"                          ' 8xc51 registers list
$romstart = &H0                                ' code start address
$crystal = 11059200                            ' micro clock frequence
'
'*********************** Variables declaration *************************
'
Dim Pout As Byte                               ' value for output lines
Dim X As Byte                                  ' genearal purpose variable
Dim Valore As Byte , Valore1 As Byte           ' value of counts
'
'*************************** Main program ******************************
'
Main:                                          ' delay for signals settling
Waitms 1
Do
   Valore = 1                                  ' starting value
   Valore1 = 128
   For X = 1 To 7                              ' initialize cycle
      Pout = Not Valore                        ' complement the value
      P0 = Pout
      Pout = Not Valore1                       ' complement the value
      P2 = Pout
      Valore = Valore * 2                      ' left shift of bits
      Valore1 = Valore1 / 2                    ' right shift of bits
      Waitms 255                               ' delay
   Next X
   For X = 1 To 7                              ' initialize cycle
      Pout = Not Valore                        ' complement the value
      P0 = Pout
      Pout = Not Valore1                       ' complement the value
      P2 = Pout
      Valore = Valore / 2                      ' right shift of bits
      Valore1 = Valore1 * 2                    ' left shift of bits
      Waitms 255                               ' ritardo
   Next X
Loop
End
'
'**************************** Program end ********************************
'