[SeaBIOS] mouse.c

Paul Menzel pmenzel at molgen.mpg.de
Thu Aug 3 10:44:37 CEST 2017

Dear Philipp,

On 08/03/17 09:44, Philipp Stanner wrote:

> why does the SeaBIOS-source contain a file named mouse.c ?

Next time, please show, what effort you already put into finding the 
right answer yourself. `git log src/mouse.c` and `git grep mouse.c` and 
`git grep MOUSE` already shows quite a lot.

     config MOUSE
         bool "Mouse interface"
         default y
             Support for int15c2 mouse calls.

Then search for that BIOS interrupt call [1].

So, it’s my understanding, that the BIOS interface allows to control a 
mouse pointer using the BIOS interrupt call 15.C2.

Programs and operating systems like Microsoft DOS use that to drive the 

Kind regards,


[1] http://stanislavs.org/helppc/int_15-c2.html

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