真是太谢谢您了!我明白了。我看过其它程序,程序中用到DB59,如:
L #OB82_MDL_ADDR
T DB59.DBW 0
...
loop: CALL SFC 59
REQ :=#t_req
IOID :=B#16#54
LADDR :=DB59.DBW0
RECNUM :=B#16#1
RET_VAL:=DB59.DBW2
BUSY :=#t_busy
RECORD :=P#DB59.DBX 10.0 BYTE 11 //DS1 is saved from byte 10
为何在BLOCK中没有DB59?上面的程序为诊断CP342-2的,那诊断LINK20
RECORD :=P#DB59.DBX 10.0 BYTE 23 ,对吗?
最后修改:2004-11-23 11:17:50