Int 2F Fn 1684 - Ms Windows - Edos - Get Api Entry Point [W]

AX = 1684h
BX = 2925h (virtual device ID for EDOS device) (see #2329)
ES:DI = 0000h:0000h

Return: ES:DI -> VxD API entry point (see #2386)
0000h:0000h if the VxD does not support an API

(Table 2386)
Call EDOS entry point with:
AX = 0000h get EDOS version number

Return: AH = major version
AL = minor version
AX = 0001h display message
CX = 0
DX:BX -> ASCIZ Message
AX = 0002h get EDOS error coded

Return: EAX = time in milliseconds that Windows has been running
AX = 0003h execute windows program

Return: EAX = cumulative amount of time the virtual machine has
been active, in milliseconds
AX = 0008h get/set priority
BX = 0000h??? foreground
0001h background
DI = 0000h get
0001h set
DX = priority setting

Return: CX = foreground priority
DX = background priority
BX:AX = flags
00000001h exclusive ON
00000010h background ON
SI = CPU percentage