hello.ld

用PIC單片機與AVR單片機製作PLC控制的階梯圖程序。

LDmicro0.1
CYCLE=10000
CRYSTAL=4000000
BAUD=2400

IO LIST
END

PROGRAM
RUNG
    COMMENT Very simple, just print 'Hello, world' over serial, over and over.
END
RUNG
    CONTACTS Rosc 0
    TON Tosc 1000000
    COIL Rosc 1 0 0
END
RUNG
    COMMENT For no particular reason, keep a counter that increments with each\r\nline that we print.
END
RUNG
    CONTACTS Rosc 0
    OSR
    ADD cnt cnt 1
END
RUNG
    CONTACTS Rosc 0
    FORMATTED_STRING cnt 21 72 101 108 108 111 44 32 119 111 114 108 100 58 32 92 45 53 92 114 92 110
END