Control blocks

Figure 86 shows the control blocks associated with terminal control.

Figure 86. Control blocks associated with terminal control
 This is the first part of a technical drawing showing the control blocks associated with terminal control.
 This is the second part of a technical drawing showing the control blocks associated with terminal control.

Figure 87 shows the TCTLE and Figure 88 shows the TACLE.

Figure 87. Terminal control table line entry (TCTLE)
 This is a technical drawing showing the terminal control table line entry.
Figure 88. Terminal abnormal condition line entry (TACLE)
 This is a technical drawing showing the terminal abnormal condition line entry.

Terminal input/output areas (TIOAs) are set up by storage control and chained to the terminal control table terminal entry (TCTTE) as needed for terminal input/output operations. The TCTTE contains the address of the first terminal-type storage area obtained for a task (the beginning of the chain), and the address of the active TIOA.

See CICS® Data Areas for a detailed description of these control blocks.

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