TAR1 #TEMP0
TAR2 #TEMP1
L 5
M001: T #TEMP2
L #TEMP2
SLD 4
LAR1
L #TEMP2
+ 100
T #TEMP4
OPN DB [#TEMP4]
L DBW 0
L DBW 14
<>I
JC M002
OPN "Previous Sequence Number"
L DBW [AR1,P#0.0]
==I
JC M002
OPN DB [#TEMP4]
L DBW 2
OPN "Vehicle Locations"
T DBW [AR1,P#0.0]
OPN DB [#TEMP4]
L DBW 4
OPN "Vehicle Destinations"
T DBW [AR1,P#0.0]
OPN DB [#TEMP4]
L DBW 6
OPN "Vehicle Status"
T DBW [AR1,P#0.0]
OPN DB [#TEMP4]
L DBW 8
OPN "Vehicle Inputs"
T DBW [AR1,P#0.0]
OPN DB [#TEMP4]
L DBW 10
OPN "Vehicle Error Conditions"
T DBW [AR1,P#0.0]
OPN DB [#TEMP4]
L DBW 12
OPN "OperatorRequests"
T DBW [AR1,P#0.0]
OPN DB [#TEMP4]
L DBW 14
OPN "Previous Sequence Number"
T DBW [AR1,P#0.0]
M002: L #TEMP2
LOOP M001
LAR1 #TEMP0
LAR2 #TEMP1
这里的首部AR1，AR2赋值，尾部的又赋值回来，有什么含义，不要对系统运行有何影响