MOUSE.XR versions:
2842 bytes: come with Paintbox 1.0, inside the file MOUSE version 1.0, but don't see in the HELP list. It is only works with NEOS mouse. If no Mouse then the cursor going to right bottom corner
3352 bytes: also MOUSE version 1.0 and displayed in the HELP list
It is have the 189 EXOS variable which used for select the input device: 0 Internal Joy, 1 Ext1 Joy, 2 Ext2 Joy, 3 Neos Mouse. Under the paintbox the selection works with F keys.
Then this version also works with joystick and mouse, but I can't press fire
3178 bytes: same with the previous, but fire working
3196 bytes: lates find from Nick disks. MOUSE version 1.1, joysticks and NEOS mouse also working.
3072 bytes: come with the Hungarian release of the Paintbox, NEOS support removed, only works with joystick
3389 bytes: HSOFT modified the previous version, added support for Gyula Mészaros serial interface card with Mouse System serial PC mouse. (And no NEOS)