! BIOS interrupt 33h function list.
! Reference: MS-DOS Extensions Quick Reference Guide by Ray Duncan
! Microsoft Press  ISBN #1-55615-212-4
!
33 Mouse Services
!
00 reset & get status
01 show pointer
02 hide pointer
03 get pos & buttons
04 set pointer pos
05 get button press 
06 get button release
07 set horiz limits
08 set vert limits
09 set graph pointer
0A set text pointer
0B read motion count
0C set event handler
0D read graphic pixel
0E light pen emul on
0F set mickeys/pixel
10 set exclusion area
13 set dbl speed thresh
14 swap event handlers
15 get buffer size
16 save driver state
17 restore driver state
18 set alt event handlr
19 get alt event addr
1A set sensitivity
1B get sensitivity
1C set interrupt rate
1D sel pointer page
1E get pointer page
1F disable driver
20 enable driver
21 reset driver
22 set language
23 get language
24 get info
!
! end of int 33h function list