Difference between revisions of "83Plus:BCALLs:4D53"
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== Example == | == Example == | ||
| − | + | B_CALL [[83Plus:BCALLs:4D47|AppStartMouse]] | |
| − | MouseLoop: | + | MouseLoop: |
| − | + | cp 0Ch | |
| − | + | jr z,MouseDone | |
| − | + | B_CALL [[83Plus:BCALLs:4D65|AppUpdateMouse]] | |
| − | + | jr MouseLoop | |
| − | MouseDone: | + | MouseDone: |
| − | + | B_CALL AppEraseMouse | |
| − | + | ret | |
Revision as of 07:12, 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
