发布于 2003-01-10 21:15:09
0楼
during a period of one scan
after execution of the following instruction
LD I0.0
=M0.0
the result of M0.0=state of I0.0 at the begining the this scan
but if u want to have a result of :M0.0= state of I0.0 during a scan
pls use : LDI I0.0 instead of LD I0.0