当参数是通过结果的,会在被调用块的本地堆栈寄存器中分配-一个空间,变量地址被保存。被调用块内读写这个参数的所有逻辑直接访问堆栈寄存器。被调用块执行完成后,堆栈寄存器内的数值重新拷贝到实际的变量地址中。在被调用块执行过程中,实际变量值没有发生变化,但是被调用块执行完成后,实际变量值被更新。
ACCU SORT OMNX USPP OMNX
WESTINGHOUSE PC-1200-1042 USPP PC12001042
ALLEN BRADLEY 1785-L40B/E NSPP 1785L40BE
INDRAMAT MDD093B-N-030-N?2L-110PB0 USPP MDD093BN030N2L1?1
ALLEN BRADLEY 6180-ENHEIMDTEC?Z USPP 6180ENHEIMDTECZ
INDRAMAT CLM01.3-X-0-4-0?-FW USPP CLM013X040FW
ALLEN BRADLEY 1326AS-B660F-21?-K6 USPP 1326ASB660F21K6
ALLEN BRADLEY 6180-ADDDEDAZCZ?Z USPP 6180ADDDEDAZCZZ
ALLEN BRADLEY 6180-EKMEGLDTEC?Z USPP 6180EKMEGLDTECZ
DYNAMATIC IS500707-0480 USPP IS5007070480
BASLER ELECTRIC BE1-87T-E1E-A1L?-NON2F USPP BE187TE1EA1L
TOTAL CONTROL PRODUCTS QPI-21100-S2P USPP QPI21100S2P
FOXBORO D0137KU USPP D0137KU
FOXBORO D0143WE USPP D0143WE
PULNIX TM-1001 USPP TM1001
INDRAMAT MDD093A-N-030-N?2L-110PB0 USPP MDD093AN030N2L1?A
INDRAMAT MDD093A-N-030-N?2L-110GB0 USPP MDD093AN030N2L1?B
ALLEN BRADLEY 6180-EIGEGLDZEC?Z USPP 6180EIGEGLDZECZ