下面的程序是啥意思?

LAR1 P##tInput_Point
L W#16#1002
T W [AR1,P#0.0]
L 4
T W [AR1,P#2.0]
L 0
T W [AR1,P#4.0]
L #IO_Address
SLD 3
OD DW#16#81000000
T D [AR1,P#6.0

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