Block DLCa>> dispatch: 1 The commands to execute can be inserted in the file siminit.com, automatically played when the Simulator starts. For example, the automatic simulation script scriptl.com described in Section 4.2.6 can be executed automatically if the file siminit.com contains: Include-File script1.com 4.2.7.4 Commands history The Simulator automatically stores the last 100 commands executed. To reenter a Simulator command, simply scroll by pressing the up arrow key until you see the desired command. 4.2.7.5 Examining the SDL model: the Command window Select View > Command Window: the Command Window appears, as shown in Figure 4.26. The upper part of the Command Window displays the ready queue of the Simulator: the next process instance to be executed is the first process in the ready queue (entry number 1), 66 Validation of Communications Systems with SDL SimUI Command File Command List-Ready-Queue Command Entry PId State Signals Signal instance dispatch:1 ready EstabReq <<Block DLCa>> dispatch:1 ready L DataReq <<Block DLCb>> List-Process Command State Signals Signal instance env:1 start state AtoB:1 ready BtoA:1 1 ready dispatch:1 ready L EstabReq <<Block DLCa>> DLC:1 connected <<Block DLCa>> dispatch: ready DataReq <<Block DLCb>> Figure 4.26 The Command Window here instance 1 of process dispatch in block DLCa. This instance is in state ready and has one signal in its queue, L_EstabReq. The lower part of the Command Window displays, for each process instance, its current state, the number of signals in its input queue, the name of the first signal in its input queue. 4.2.7.6 Examining the SDL model: Examine-Variable The Examine-Variable command displays the contents of any SDL variable. The Simulator pro- vides a button Variable in the Examine group to avoid entering the textual command manually. To examine variable DLCs in process dispatch in block DLCa, press the button Variable, select << Block DLCa >> dispatch and select DLCs; the Simulator displays the equivalent textual command followed by its res