Int 33H Function 24H (36) Get mouse information

Returns the mouse driver version number, mouse type, and the IRQ number of the interrupt used by the mouse adapter.

Call with:

AX = 0024H

Returns:

BH = major version number (6 for version 6.10, etc.)

BL = minor version number (0AH for version 6.10, etc.)

CH = mouse type

1 = bus mouse

2 = serial mouse

3 = InPort mouse

4 = PS/2 mouse

5 = HP mouse

CL = IRQ number

0 = PS/2

2, 3, 4, 5, or 7 = IRQ number