INT 2F - MS Windows - VADMAD - GET API ENTRY POINT AX = 1684h BX = 0444h (virtual device ID for VADMAD device) (see #02642) ES:DI = 0000h:0000h Return: ES:DI -> VxD API entry point (see #02683) 0000h:0000h if the VxD does not support an API