INT 10 - VESA - VIDEO CURSOR INTERFACE REQUEST AX = 4F4Dh BX = number of bytes available for VCI use DS:0000h -> buffer for VCI ES:DI -> VCI driver callback function Return: AL = 4Fh if supported AH = status 00h successful BX = number of bytes used by VCI ES:DI -> VCI request handler 01h failed Desc: allow the VESA BIOS Extensions to cooperate with a pointing-device (typically mouse) driver SeeAlso: AX=4F12h