=> R0 = operation
<= R0 corrupt
Operations
-1 Command window is closed whether it is was used or not.
0 Same as -1, but if output, do a "Press SPACE or click mouse to continue"
1 Command window is set to 'active'
>1 Pointer to title. Command window is set to 'pending', and next time VDU4 output is generated, the window will open.
This SWI opens a textwindow in which VDU4-type output can be displayed.
When the Wimp starts a task, it does a
SYS "Wimp_CommandWindow","program name"
When Wimp_Initialise is reached, it does
SYS "Wimp_CommandWindow",-1
See PRM 3, page 212.
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