bugPlex86 Virtual Machine - Bugs: bug #3537, PS/2 mouse "skipping"...

 
 

bug #3537: PS/2 mouse "skipping" problem

Submitted by:  Drew Northup N1XIM <RvnPhnx>
Submitted on:  Sat 10 May 2003 11:52:13 PM UTC  
 
Category: NoneSeverity: 2 - Minor
Item Group: NoneStatus: None
Privacy: PublicAssigned to: Drew Northup N1XIM <RvnPhnx>
Open/Closed: Open

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Sat 10 May 2003 11:52:13 PM UTC, original submission:

It has occurred to me the possible reason for a bug that I've noticed in the PS/2 mouse device emulation. Often times instead of notifying the guest machine of an overflow in the PS/2 mouse's X or Y count, the mouse will instead move backwards. I suspect that the PS/2 protocol may not be followed exactly somehow--leading to the skipping. This may or may not be related to a bug that makes the mouse pointer in the guest wrap when the host should on VNC and remote X11 connections. I have yet to see if this problem also afflicts the Bochs PS/2 implementation.

In particular, I think that the sign bits and the overflow bits in the PS/2 mouse data may not be set correctly. Also, now that I've learned a bit more about the PS/2 data packet, it may be possible to do Intellimouse (R) type mouse support soon.

Drew Northup N1XIM <RvnPhnx>
Project AdministratorIn charge of this item.

 

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