老外用STL语句编写的一段程序看不太懂。求帮忙解释下大致的含义
SET
SAVE
= L 0.3
A M 39.0
= M 60.5
A M 16.7
O M 31.0
JCN M001
CLR
= DB15.DBX 20.5
= DBX 20.6
= DBX 20.7
= DBX 21.0
= DBX 21.1
= DBX 21.2
M001: CLR
A M 16.7
JCN M002
CLR
= DB15.DBX 21.3
= DBX 21.4
= DBX 21.5
= DBX 21.6
M002: CLR
A I 4.6
NOT
JCN M003
A M 60.5
JCN M004
SET
= DB13.DBX 21.0
M004: SET
= DB15.DBX 21.3
M003: CLR
A I 4.5
NOT
JCN M005
A M 60.5
JCN M006
SET
= DB13.DBX 21.0
M006: SET
= DB15.DBX 21.4