Opss...i did say INT 34H... ops... Miguel ----- Original Message ----- From: Alan B. Pearce To: Sent: Thursday, June 08, 2000 6:59 AM Subject: Re: [OT]: Mouse in DOS > It is done through Interrupt 33(hex) from memory. Find a copy of the Microsoft Mouse > developers book. You may possibly be able to find some info in TechNet's on their web > site. There are a whole series of calls through the interrupt to reset, get mouse > position, set mouse position, change sensitivity etc.