Initializes mouse support. This routine must be called before other mouse routines can be called.
call "CBL_INIT_MOUSE" using     mouse-handle
                                mouse-buttons
                      returning status-code 
               	 | Using call prototype (see Key) | Picture | |
|---|---|---|
| mouse-handle | cblt-x4-compx | pic x(4) comp-x. | 
| mouse-buttons | cblt-x2-compx | pic x(2) comp-x. | 
| status-code | See Library Routines - Key | 
None.
| mouse-handle | Mouse identifier. You pass this to any mouse routines you call subsequently. | 
| mouse-buttons | The number of buttons on the mouse. | 
Comments:
If status-code (or RETURN-CODE) contains a nonzero status on return from this routine, mouse handling is not available and calls to any of the mouse routines should not be made.
The CBL_ mouse routines do not work with the x"AF" mouse routines.