Int 15/AX=C207h

SYSTEM - POINTING DEVICE BIOS INTERFACE (PS) - SET DEVICE HANDLER ADDR

AX = C207h
ES:BX -> FAR user device handler or 0000h:0000h to cancel

Return:
CF set on error
AH = status (see #00522)

Note: When the subroutine is called, it is passed the following values on the stack; the handler should return with a FAR return without popping the stack:

WORD 1:
Status (see #00525)
WORD 2:
X data (high byte = 00h)
WORD 3:
Y data (high byte = 00h)
WORD 4:
0000h

See Also: INT 33/AX=000Ch


Bitfields for pointing device status:

Bit(s)  Description     (Table 00525)
15-8   reserved (0)
7      Y data overflowed
6      X data overflowed
5      Y data is negative
4      X data is negative
3      reserved (1)
2      reserved (0)
1      right button pressed
0      left button pressed

Category: Mouse/Pointing Device - Int 15h - S

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