INT 15,C2 - Pointing Device BIOS Interface (PS/2 only)

AH = C2

AL = 0 enable/disable pointing device (BH contains flag)

= 1 reset pointing device

= 2 set sample rate

= 3 set resolution

= 4 read device type

= 5 pointing device initialization

= 6 extended commands

= 7 pointing device far call initialization

BH = 0 indicates enable for AL = 0

= 1 indicates disable for AL = 0

on return:

CF = 0 if successful

= 1 if error

AH = when CF set, 80h for PC & PCjr, 86h for XT, AT

= 01 invalid function call

= 02 invalid input

= 03 interface error

= 04 resend

= 05 no far call installed