INT 2F P - MS Windows - VPOWERD - GET API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. ENTRY POINT AX = 1684h BX = 0026h (virtual device ID for VPOWERD device) (see #02642) ES:DI = 0000h:0000h Return: ES:DI -> VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. entry point (see #02664) 0000h:0000h if the VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. does not support API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. in current mode SeeAlso: AX=1684h"DEVICE API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes.",INT 20"Windows" (Table 02664) Call VPOWERD.VXD entry point with: AX = function number 0000h get VPOWERD version Return: DX = 0000h AX = version (AH = major, AL = minor) 0001h get APM BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. version Return: DX:AX = APM BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. version 0002h get current power management level Return: DX:AX = power management level 0003h enable/disable power management (see INT 15/AX=5308h) ??? = new state of power management Return: DX:AX = 0000h:0000h if successful else error code (see #02665) 0004h set power state (see INT 15/AX=5307h) Return: DX:AX = 0000h:0000h if successful else error code (see #02665) 0005h set system power status Return: DX:AX = 0000h:0000h if successful else error code (see #02665) 0006h restore APM power-on defaults (see INT 15/AX=5309h) Return: DX:AX = 0000h:0000h if successful else error code (see #02665) 0007h get power status (see INT 15/AX=530Ah) Return: ??? 0008h get APM 1.1 power state (see INT 15/AX=530Ch) Return: ??? 0009h invoke OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. APM function ??? -> buffer containing parameters for INT 15/AX=5380h Return: DX:AX = 0000h:0000h or error code (see #02665) buffer updated if successful 000Ah register power handler ??? Return: DX:AX = 0000h:0000h or error code 000Bh deregister power handler ??? Return: DX:AX = 0000h:0000h or error code (see #02665) 000Ch Win32 get system power status 000Dh Win32 set system power status else Return: DX = 0000h AX = 00FFh SeeAlso: #02663,#02666 (Table 02665) Values for VPOWERD.VXD error code: 000000xxh APM error code 000000FFh function number out of range 80000001h ??? (service 05h) 80000002h ??? (service 0Dh) 80000003h specified NULL buffer pointer (service 07h,08h,09h) 80000005h ??? (service 03h) 80000006h ??? (service 04h) 80000007h ??? (service 05h) 80000008h ??? (service 05h) 80000009h out of memory (service 0Ah) 8000000Ah ??? (service 0Ah) 8000000Bh invalid power handler (service 0Bh) 8000000Ch unsupported/disabled??? function SeeAlso: #02664,#01290