Difference between revisions of "83Plus:BCALLs:4D53"
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'''BCALL Address:''' 4D53 | '''BCALL Address:''' 4D53 | ||
| − | Erases the mouse cursor | + | Erases the mouse cursor, and restores the previous contents. |
=== Inputs === | === Inputs === | ||
Latest revision as of 20:38, 11 April 2005
Synopsis
Official Name: AppEraseMouse
BCALL Address: 4D53
Erases the mouse cursor, and restores the previous contents.
Inputs
- Memory as set up by AppStartMouse/AppUpdateMouse
Outputs
- Mouse cursor erased from screen.
Destroys
- AF, BC, DE, HL
Comments
You must call AppStartMouse to initialize memory before calling AppEraseMouse. AppEraseMouse erases the mouse cursor when you are done. The below example allows a user to move the mouse cursor around the screen, and returns once the enter key is pressed.
Example
B_CALL AppStartMouse MouseLoop: cp 0Ch jr z,MouseDone B_CALL AppUpdateMouse jr MouseLoop MouseDone: B_CALL AppEraseMouse ret
