INT 33,B - Read Mouse Motion Counters
AX = 0B on return: CX = horizontal mickey count (-32768 to 32767) DX = vertical mickey count (-32768 to 32767) - count values are 1/200 inch intervals (1/200 in. = 1 mickey)
AX = 0B on return: CX = horizontal mickey count (-32768 to 32767) DX = vertical mickey count (-32768 to 32767) - count values are 1/200 inch intervals (1/200 in. = 1 mickey)