Category: video
INT 2F - AD-DOS - GET AND RESET VxD API STATUS AX = C020h Return: AL = 00h if successful BX = VxD API Status 0000h no error 0001h error 0100h neither Windows 3.X enhanced mode nor Windows/386 2.x is running 0200h VM API entry point not found (VxD not installed) Range: AH=C0h to AH=FFh, selected by scanning for first free multiplex number Note: this call resets the VxD API Status to zero SeeAlso: AX=1602h,AX=1607h"CALL OUT API" Index: screen saver;AD-DOS