FUNCTION "Indirect" : VOID
TITLE =
VERSION : 0.1
VAR_INPUT
Source : POINTER ;
END_VAR
BEGIN
NETWORK
TITLE =
L P##Source;
LAR1 ;
L B#16#20;
T B [AR1,P#0.0];
END_FUNCTION
ORGANIZATION_BLOCK OB 1
TITLE = "Main Program Sweep (Cycle)"
VERSION : 0.1
BEGIN
NETWORK
TITLE =
CALL "Indirect" (
Source := P#M 1.0);
NOP 0;
END_ORGANIZATION_BLOCK
我认为mb1中的值应该是B#16#20。可实际上并不是,这是怎么回事?
再请教一下:“前局域数据”是指什么?