'ANDOR.txt shows how to and/or inputs - in this case, 'Inputs 21 & 22. For V1.1, they need 'to be converted to flags ' 'Last edited 9/5/99 '******** Parameter Setup ******** IOS 21 = 0,0,0 'Distance Bit0, low true IOS 22 = 0,0,0 'Distance Bit1, low true IOS 23 = 9,0,0 'Start input, low true FLG B0 'This flag stores Bit0 FLG NB0 'This flag stores NOT(Bit0) FLG B1 'This flag stores Bit1 FLG NB1 'This flag stores NOT(Bit1) FLG AND0 'This flag stores the result of 'NOT(Bit1) AND NOT(Bit0) FLG AND1 'This flag stores the result of 'NOT(Bit1) AND Bit0 FLG AND2 'This flag stores the result of 'Bit1 AND NOT(Bit0) FLG AND3 'This flag stores the result of 'Bit1 AND Bit0 FLG OR0 'This flag stores the result of 'NOT(Bit1) OR NOT(Bit0) FLG OR1 'This flag stores the result of 'NOT(Bit1) OR Bit0 FLG OR2 'This flag stores the result of 'Bit1 AND NOT(Bit0) FLG OR3 'This flag stores the result of 'Bit1 OR Bit0 VAR BIT0 = 21 'IO 21 is read into Bit0 VAR BIT1 = 22 'IO 22 is read into Bit1 '******** Program ******** PGM 1 LBL ANDOR 'The next four lines read the IO states, write 'them into flags, and write the negatives into 'flags. B0 = IO BIT0 NB0 = !B0 B1 = IO BIT1 NB1 = !B1 'The next four lines perform logical AND. AND0 = NB1 & NB0 AND1 = NB1 & B0 AND2 = B1 & NB0 AND3 = B1 & B0 'These next four lines print out the results of 'the logical AND. PRINT "/BIT1 & /BIT0 = ", AND0 PRINT "/BIT1 & BIT0 = ", AND1 PRINT "BIT1 & /BIT0 = ", AND2 PRINT "BIT1 & BIT0 = ", AND3 PRINT 'The next four lines perform logical OR. OR0 = NB1 | NB0 OR1 = NB1 |B0 OR2 = B1 | NB0 OR3 = B1 | B0 'These next four lines print out the results of 'the logical OR. PRINT "/BIT1 OR /BIT0 = ", OR0 PRINT "/BIT1 OR BIT0 = ", OR1 PRINT "BIT1 OR /BIT0 = ", OR2 PRINT "BIT1 OR BIT0 = ", OR3 END PGM