INT 15 - TopView - SEND MESSAGE - "SETSCALE" - SET POINTER SCALE FACTOR
AH = 12h
BX = 1100h
STACK: DWORD object handle for pointer object
DWORD number of colums to scale pointer position to
DWORD number of rows to scale pointer position to

See also: 1512

1512 - TopView - SEND MESSAGE - "SETSCALE" - SET POINTER SCALE FACTOR