VIRUS - "Perfume" - INSTALLATION CHECK (INT 21, AX=0B56h) VIRUS - "Piter" - ??? (INT 21, AX=CA15h) VIRUS - "Plastique"/"AntiCad" - ??? (INT 21, AX=4B41h) VIRUS - "Plastique"/"AntiCad" - INSTALLATION CHECK (INT 21, AX=4B40h) VIRUS - "Plastique-2576"/"AntiCad-2576" - ??? (INT 21, AX=4B60h) VIRUS - "Plastique-2576"/"AntiCad-2576" - INSTALLATION CHECK (INT 21, AX=4B50h) VIRUS - "Plovdiv 1.3" - INSTALLATION CHECK (INT 21, AX=DAFEh) VIRUS - "Plovdiv 1.3"/"Damage 1.3" - ORIGINAL INT 21h VECTOR (INT 32) VIRUS - "Possessed" - INSTALLATION CHECK (INT 21, AH=30h/DX=ABCDh) VIRUS - "Predator 2" - INSTALLATION CHECK (INT 21, AX=50FDh) VIRUS - "Predator" - INSTALLATION CHECK (INT 13, AX=FD50h) VIRUS - "PS-MPC.Gold" - INSTALLATION CHECK (INT 21, AX=5643h) VIRUS - "QUICKY" - INSTALLATION CHECK (INT 21, AX=C000h) VIRUS - "QUICKY" - TURN INFECTION OFF (INT 21, AX=C001h) VIRUS - "QUICKY" - TURN INFECTION ON (INT 21, AX=C002h) VIRUS - "Rape-747" - INSTALLATION CHECK (INT 21, AX=6969h) VIRUS - "Red Spider" - INSTALLATION CHECK (INT 21, AX=DCBAh) VIRUS - "Replicator" - INSTALLATION CHECK (INT 21, AX=6304h) VIRUS - "Requires" - INSTALLATION CHECK (INT 21, AH=B3h) VIRUS - "Revenge" - INSTALLATION CHECK (INT 21, AX=FFFFh/CX=0000h) VIRUS - "Saddam" - ORIGINAL INT 21h VECTOR (INT 6B) VIRUS - "Satans-Bug" - INSTALLATION CHECK (INT 21, AH=F9h) VIRUS - "Scott's Valley" - ??? (INT 21, AH=C2h) VIRUS - "SEMTEX"/"Screen Trasher" - INT 21h SUBSTITUTE (INT 61) VIRUS - "Shake" - INSTALLATION CHECK (INT 21, AX=4203h) VIRUS - "Shifting Objective" - INSTALLATION CHECK (INT 21, AX=FEADh) VIRUS - "Shifting Objective" - RELOCATE CODE ??? (INT 21, AX=DEADh) VIRUS - "Shirley" - INSTALLATION CHECK (INT 21, AX=4B87h) VIRUS - "Slow"/"Zerotime", "Solano" - INSTALLATION CHECK (INT 21, AH=C0h) VIRUS - "Socha" - INSTALLATION CHECK (INT 21, AH=C6h) VIRUS - "Solano" - ??? (INT 21, AH=C1h) VIRUS - "Sparse" - INSTALLATION CHECK (INT 21, AX=4B55h) VIRUS - "Spyer"/"Kiev" - INSTALLATION CHECK (INT 21, AH=E7h) VIRUS - "Squeaker","ASeXual" - INSTALLATION CHECK (INT 21, AH=7Fh) VIRUS - "Stupid" - ORIGINAL INT 21h VECTOR (INT 70) VIRUS - "Sunday", "Tumen 0.5", "Hero" - INSTALLATION CHECK (INT 21, AH=FFh) VIRUS - "SuperVirus 2" - INSTALLATION CHECK (INT 21, AX=ABCDh) VIRUS - "Susan" - INSTALLATION CHECK (INT 21, AX=010Fh) VIRUS - "SVC 5.0" or "SVC 6.0" - INSTALLATION CHECK (INT 21, AH=84h) VIRUS - "SVC" - INSTALLATION CHECK (INT 21, AH=83h) VIRUS - "Sverdlov" - INSTALLATION CHECK (INT 21, AX=C500h) VIRUS - "Tai-Pan.666"/"Doom II Death" - INSTALLATION CHECK (INT 21, AX=7BCFh) VIRUS - "Tasha Yar" - INSTALLATION CHECK (INT 21, AX=1812h) VIRUS - "Terror" - INSTALLATION CHECK (INT 21, AX=EC59h) VIRUS - "Tiny" Viruses - ORIGINAL INT 21h VECTOR (INT 32) VIRUS - "Tiso" - INSTALLATION CHECK (INT 13, AX=EC00h) VIRUS - "Tracker" - INSTALLATION CHECK (INT 21, AX=B974h) VIRUS - "Tremor" - INSTALLATION CHECK (INT 21, AX=F1E9h) VIRUS - "Troi" - INSTALLATION CHECK (INT 21, AH=FCh) VIRUS - "Twins" - INSTALLATION CHECK (INT 21, AX=FF10h) VIRUS - "Uruguay" - INSTALLATION CHECK (INT 21, AX=3032h/DX=1234h) VIRUS - "USSR-1049" - INSTALLATION CHECK (INT 21, AX=BE00h) VIRUS - "USSR-707", "Justice", "Europe 92" - INSTALLATION CHECK (INT 21, AX=4BFFh) VIRUS - "UZZY" -INSTALLATION CHECK (INT 21, AX=4BB1h) VIRUS - "Vacsina" series - INSTALLATION CHECK (NOT A VECTOR!) (INT 31) VIRUS - "Violetta" - ??? (INT F1) VIRUS - "Violetta" - ??? (INT FF) VIRUS - "Vriest" - INSTALLATION CHECK (INT 21, AH=89h) VIRUS - "Warlock" - INSTALLATION CHECK (INT 21, AX=D000h) VIRUS - "WARP" -INSTALLATION CHECK (INT 21, AX=5741h) VIRUS - "Westwood" - ??? (INT 21, AH=CDh) VIRUS - "Westwood" - INSTALLATION CHECK (INT 21, AH=CCh) VIRUS - "Whisper"/"Taipan" - INSTALLATION CHECK (INT 21, AX=7BCEh) VIRUS - "Witcode" - INSTALLATION CHECK (INT 21, AX=CB02h) VIRUS - "Yankee Doodle" or "MLTI" - INSTALLATION CHECK (INT 21, AX=C603h/BX=002Dh) VIRUS - "Zero Bug" - INSTALLATION CHECK (INT 60) VIRUS - "ZeroHunt" - INSTALLATION CHECK (NOT A VECTOR!) (INT 8B) VIRUS - "ZeroHunt" - VIRAL CODE (NOT A VECTOR!) (INT 87) VIRUS - "Zherkov-1882" - INSTALLATION CHECK (INT 21, AX=4B95h) VLM - ??? (INT 2F, Personal NetWare, AX=00D8h) VLM (CALL xxxxh:xxxxh, Novell NetWare) VLM CallA (CALL xxxxh:xxxxh, Novell NetWare) VLM Multicast (CALL xxxxh:xxxxh, Novell NetWare) VLM Multiplex (CALL xxxxh:xxxxh, Novell NetWare) VLM Parse 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. (CALL xxxxh:xxxxh, Novell NetWare) VMiX - "sys_chanreq" - I/O CHANNEL OBJECT MANAGER (INT 15, AH=01h) VMiX - "sys_clrwindow" - CLEAR WINDOW (INT 15, AH=14h) VMiX - "sys_getccb" - GET CHANNEL CONTROL BLOCK (INT 15, AH=08h) VMiX - "sys_getcolors" - GET CONSOLE WINDOW COLORS (INT 15, AH=17h) VMiX - "sys_getocb" - GET POINTER TO OBJECT CONTROL BLOCK (INT 15, AH=07h) VMiX - "sys_getpcb" - GET POINTER TO PROCESS CONTROL BLOCK (INT 15, AH=06h) VMiX - "sys_getpid" - GET PROCESS ID OF CURRENT PROCESS (INT 15, AH=05h) VMiX - "sys_getqkey" - GET KEY FIELD OF QUEUED ELEMENT (INT 15, AH=0Fh) VMiX - "sys_getqueue" - GET ID OF QUEUED ELEMENT (INT 15, AH=09h) VMiX - "sys_getstack" - GET POINTER TO PROCESS TSS STACK (INT 15, AH=0Ch) VMiX - "sys_kill" - HARD TERMINATE PROCESS (INT 15, AH=0Eh) VMiX - "sys_memreq" - MEMORY OBJECT MANAGER (INT 15, AH=02h) VMiX - "sys_pinput" - PROMPTED CONSOLE INPUT (INT 15, AH=03h) VMiX - "sys_qetqnext" - GET ID OF NEXT QUEUED ELEMENT (INT 15, AH=0Ah) VMiX - "sys_setbwindow" - SET BANNER WINDOW MESSAGE (INT 15, AH=15h) VMiX - "sys_setcolors" - SET CONSOLE COLORS (INT 15, AH=18h) VMiX - "sys_setwindow" - SET ROOT WINDOW SIZE AND HOME CURSOR (INT 15, AH=16h) VMiX - "sys_sleep" - PUT PROCESS TO SLEEP (INT 15, AH=12h) VMiX - "sys_spawn" - START A CHILD PROCESS JOB SHELL (INT 15, AH=0Dh) VMiX - "sys_sysreq" - SYSTEM CONFIGURATION MANAGER (INT 15, AH=0Bh) VMiX - "sys_system" - EXECUTE SHELL SYSTEM COMMANDS (INT 15, AH=11h) VMiX - "sys_virtual" - EXECUTE CONFORMING FUNCTION IN PROTECTED MODE (INT 15, AH=10h) VMiX - "sys_vprintf" - FORMATTED OUTPUT TO STREAM (INT 15, AH=04h) VMiX - "sys_wake" - WAKE SLEEPING PROCESS (INT 15, AH=13h) VMiX v2+ - "sys_bitblt" - PUT GRAPHICAL OBJECT ATIBM PC AT CURSOR POSITION (INT 15, AH=1Ch) VMiX v2+ - "sys_blkmov" - MOVE MEMORY BLOCK (INT 15, AH=1Bh) VMiX v2+ - "sys_getfont" - GET CURRENT CONSOLE GRAPHICS FONT (INT 15, AH=1Dh) VMiX v2+ - "sys_setconwn" - SET WINDOW COLORS (INT 15, AH=19h) VMiX v2+ - "sys_setfont" - SET CONSOLE GRAPHICS FONT (INT 15, AH=1Eh) VMiX v2+ - "sys_sint" - INVOKE SOFTWARE INTERRUPT (INT 15, AH=1Ah) VMP.EXE 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. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 7F, Voyetra Multimedia Player, AX=564Dh/BH=C1h) VOLUME DATA MIGRATION STATUS (INT 21, Novell NetWare, AX=F25Ah) VREF/HREF Control (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/D8h, ITT VPX 32xx) VSWITCHD Device (CALL xxxxh:xxxxh, MS Windows) VSYNC START (PORTIBM PC Portable (uses same BIOS as XT) 1AE8-1AEF, 8514/A and compatible (e.g. ATI Graphics Ultra)) VSYNC WIDTH (PORTIBM PC Portable (uses same BIOS as XT) 1EE8-1EEF, 8514/A and compatible (e.g. ATI Graphics Ultra)) VTD Device (CALL xxxxh:xxxxh, MS Windows) VUIMAGE DISPLAY DRIVER (v2.20 and below) (INT 10, AX=0F56h/BX=4756h/CX=4944h) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, A3D) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, AFVXD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, ASPIENUM) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, 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.) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, BlockDev / IOS) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, CONFIGMG) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, CWCPROXY) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, DEBUG) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, DOSMGR) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, DOSNET) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, DSOUND) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, DWCFGMG.SYS) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, EBIOS) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, FILESEC) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, IFSMgr) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, Int13) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, LoadHi) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, LOGGER) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, mmdevldr) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, MSSP / NWSP) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, MSTCP) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, MTRR) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, NDIS(Network Driver Interface Specification) A hardware-independent network interface developed by Microsoft and 3com. See also Packet Driver, TCP/IP.) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, NDIS2SUP) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, NSCL) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, NTKERN) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, NWLINK) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, NWREDIR) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, NWSERVER) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, PAGEFILE) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, PageSwap) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, PCCARD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, PERF) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, PPPMAC) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, REBOOT) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, SHELL) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, Splitter) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, SPOOLER) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, V86MMGR) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VCACHE) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VCD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VCDFSD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VCOMM) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VCOND) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VDD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VDHCP) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VDMAD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VFBACKUP) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VFD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VFLATD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VGARTD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VIP) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, vjoyd) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VKD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VMCPD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VMD / VMOUSE) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VMINI / ENABLE) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VMM) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VMPoll) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VNBT) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VNETBIOS) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VNetSup) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VPICD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VPOWERD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VREDIR) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VSD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VSERVER) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VSHARE) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VTD) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VTDI) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VWIN32) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, VXDLDR) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, WSOCK) 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. SERVICES {protected mode} (INT 20, Microsoft Windows, WSVV) 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. SERVICES {protected mode} (INT 20, QEMM, VstlthD) WAIT (ATIBM PC AT,PSIBM PS/2, any model) (INT 15, 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., AH=86h) WAIT (INT 14, I1541, AX=400Ch) WAIT (INT 68, APPC/PCIBM PC, CONNECTION CONTROL, AH=02h) WAIT ACTIVE FLAG (MEM 0040h:00A0h, TIMER2 (ATIBM PC AT, PSIBM PS/2, any model exc Mod 30)) WAIT FOR EVENT (INT 15, MultiDOS Plus, AX=1E02h) WAIT FOR EVENT (INT D4, PC-MOS/386 v3.0+, AH=07h) WAIT FOR EVENT {partially documented} (INT 60, HP 95LX System Manager, DI=0100h) WAIT FOR KEYSTROKE (CALL 0060h:0006h, Eagle MS-DOS v1.25 IO.SYS) WAIT FOR POP-DOWN AND GET EXIT CODE (INT 2F, XVIEW, AX=EE06h) WAIT FOR SEMAPHORE (INT 62, Cswitch, AH=02h) WAIT ON EXTERNAL EVENT (CONVERTIBLE and some others) (INT 15, SYSTEM, AH=41h) WAIT ON SEMAPHORE (OLD) (INT 21, Novell NetWare, AX=F220h/DX=0000h) WAIT ON SEMAPHORE (INT 21, Novell NetWare, AX=F26Fh/DX=0000h) WAIT ON SEMAPHORE (INT 21, Novell NetWare, SYNCHRONIZATION SERVICES, AX=C502h) WAIT REQUESTED TIME PERIOD (INT 15, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath 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., AH=08h) WAIT SPECIFIED NUMBER OF TICKS (INT 14, MX5 Extended FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use., AX=E007h) WAIT STATE CONFIGURATION (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 41h, AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985.) WAKE PROGRAM {real mode} (INT 2F, InterWave Game 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., AX=CD04h) WAKE UP TASK (INT 62, Cswitch, AH=08h) WANG PCIBM PC SIGNATURE (MEM FC00h:3FC2h) WARM BOOT (INT FF, Z100) WATCHDOG TIMER RESET (PORTIBM PC Portable (uses same BIOS as XT) 0352, PC104) Watstar PCIBM PC Network data pointer 1 (INT 48) Watstar PCIBM PC Network data pointer 2 (INT 49) WD Escape Functions (PORTIBM PC Portable (uses same BIOS as XT) 28E9, 8514/A) WD90C24 INSTALLATION CHECK (INT 10, Paradise SVGA(Super VGAVideo Graphics Array) A video adapter capable of higher resolution (pixels and/or colors) than the 320x200x256 and 640x480x16 which IBMInternational Busiuness Machines's VGAVideo Graphics Array adapter is capable of producing. See also VESA., AH=7Fh) WEB GENERAL NOTIFICATION (INT 2F, WEB v4.02, AX=EEF0h) WEB MODULE INSTALLATION CHECK (INT 2F, WEB v4.02, AH=EEh) White Drive (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/1Ah, ITT VDP 3108, Measurement Result) White Drive Measurement Control (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/13h, ITT VDP 3108) WHITE PEAK CONTROL (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/28h, Philips SAA7110(A) ONE-CHIP FRONT-END) WHITE POINT (BLUE) (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/0Eh, Philips TDA8366) WHITE POINT (GREEN) (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/0Dh, Philips TDA8366) WHITE POINT (RED) (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/0Ch, Philips TDA8366) WIN.COM - GET ??? POINTER TO WIN.COM (INT 2F, MS Windows, AX=4B06h) WINDOW SERVICES (INT 7A, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 3270 Workstation Program 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., AH=09h/BX=8020h/CX=00FFh) Window#1 Load Table: Horizontal Begin (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/8Bh, ITT VPX 32xx, FP) Window#1 Load Table: Horizontal Length (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/8Ch, ITT VPX 32xx, FP) Window#1 Load Table: Horizontal NumPixels (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/8Dh, ITT VPX 32xx, FP) Window#1 Load Table: Vertical Begin (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/88h, ITT VPX 32xx, FP) Window#1 Load Table: Vertical Lines In (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/89h, ITT VPX 32xx, FP) Window#1 Load Table: Vertical Lines Out (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/8Ah, ITT VPX 32xx, FP) Window#1 Read Table: Blur/Alias Filter {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/7Bh, ITT VPX 32xx, FP) Window#1 Read Table: Horiz. NumPixels {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/75h, ITT VPX 32xx, FP) Window#1 Read Table: Horizontal Begin {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/73h, ITT VPX 32xx, FP) Window#1 Read Table: Horizontal Length {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/74h, ITT VPX 32xx, FP) Window#1 Read Table: Vertical Begin {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/70h, ITT VPX 32xx, FP) Window#1 Read Table: Vertical Lines In {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/71h, ITT VPX 32xx, FP) Window#1 Read Table: Vertical Lines Out {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/72h, ITT VPX 32xx, FP) Window#1 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/76h, ITT VPX 32xx, FP) Window#1 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/77h, ITT VPX 32xx, FP) Window#1 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/78h, ITT VPX 32xx, FP) Window#1 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/79h, ITT VPX 32xx, FP) Window#1 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/7Ah, ITT VPX 32xx, FP) Window#2 Load Table: Horizontal Begin (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/91h, ITT VPX 32xx, FP) Window#2 Load Table: Horizontal Length (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/92h, ITT VPX 32xx, FP) Window#2 Load Table: Horizontal NumPixels (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/93h, ITT VPX 32xx, FP) Window#2 Load Table: Vertical Begin (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/8Eh, ITT VPX 32xx, FP) Window#2 Load Table: Vertical Lines In (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/8Fh, ITT VPX 32xx, FP) Window#2 Load Table: Vertical Lines Out (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/90h, ITT VPX 32xx, FP) Window#2 Read Table: Blur/Alias Filter {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/87h, ITT VPX 32xx, FP) Window#2 Read Table: Horiz. NumPixels {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/81h, ITT VPX 32xx, FP) Window#2 Read Table: Horizontal Begin {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/7Fh, ITT VPX 32xx, FP) Window#2 Read Table: Horizontal Length {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/80h, ITT VPX 32xx, FP) Window#2 Read Table: Vertical Begin {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/7Ch, ITT VPX 32xx, FP) Window#2 Read Table: Vertical Lines In {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/7Dh, ITT VPX 32xx, FP) Window#2 Read Table: Vertical Lines Out {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/7Eh, ITT VPX 32xx, FP) Window#2 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/82h, ITT VPX 32xx, FP) Window#2 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/83h, ITT VPX 32xx, FP) Window#2 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/84h, ITT VPX 32xx, FP) Window#2 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/85h, ITT VPX 32xx, FP) Window#2 Read Table: {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/86h, ITT VPX 32xx, FP) WINDOWS ENHANCED MODE & 286 DOSX EXIT BROADCAST {callout or callback} (INT 2F, MS Windows, AX=1606h) WINDOWS ENHANCED MODE & 286 DOSX INIT BROADCAST {callout or callback} (INT 2F, MS Windows, AX=1605h/ES:BX=0000h/DS:SI=0000h/CX=0000h) WINDOWS ENHANCED MODE BEGIN EXIT BROADCAST {callout or callback} (INT 2F, MS Windows, AX=1609h) WINDOWS ENHANCED MODE INIT COMPLETE BROADCAST {callout or callback} (INT 2F, MS Windows, AX=1608h) WINDOWS ENHANCED MODE INSTALLATION CHECK (INT 2F, MS Windows, AX=1600h) Windows Sound System (PORTIBM PC Portable (uses same BIOS as XT) 0604-060B) Windows Sound System (PORTIBM PC Portable (uses same BIOS as XT) 0E80-0E87) Windows Sound System (PORTIBM PC Portable (uses same BIOS as XT) 0F40-0F47) Windows Support (CALL xxxxh:xxxxh, DOS Protected-Mode InterfaceAn API which provides basic services for protected-mode programs to allocate memory, invoke real-mode software, etc. See also Virtual Control Program Interface.) Windows/286 DOS ExtenderA program which allows a program to run in protected mode while still retaining access to real-mode MSDOS services. See also Protected Mode. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AH=46h) Windows95 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=4A21h) Windows95 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=4A31h) Windows95 - PATCH ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=4A32h) Windows95 - SET/CLEAR "REPORT WINDOWS TO DOS PROGRAMS" FLAG {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=1231h) WINGO.COM - GET ??? FLAG {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=DB05h) WINGO.COM - RESET ??? FLAG {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=DB04h) WINGO.COM - SET ??? FLAG {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=DB03h) WORKGRP.SYS (CALL xxxxh:xxxxh, Microsoft Workgroup Connection) WPS Device (CALL xxxxh:xxxxh, MS Windows) Write (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 02h, Reserved, CBUS Address) WRITE ABSOLUTE SECTOR(S) (CALL 0060h:0018h, Eagle MS-DOS v1.25 IO.SYS) WRITE ALLOCATE PROGRAMMABLE MEMORY RANGE REGISTER (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:0086h, AMD-K5) WRITE ALLOCATE TOP-OF-MEMORY AND CONTROL REGISTER (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:0085h, AMD-K5) WRITE ASCIZA NUL-terminated ASCII string. The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h. Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. STRING IN PROTECTED AREA (INT 2F, QRIP/TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user. The name comes from the name of the DOS function call used to remain in memory after termination., AX=AC0Eh/DI=1092h) WRITE ATTRIBUTE ONLY (INT 10, Tandy 2000, VIDEO, AH=11h) WRITE AUDIT CONFIG HEADER (INT 21, Novell NetWare, AX=F258h) WRITE AUDITING BITMAP (INT 21, Novell NetWare, AX=F258h) Write Back and Invalidate CacheCaching is a method of increasing performance by keeping frequently-used data in a location which is more quickly accessed. The most common caches are disk caches (store disk sectors in RAM) and RAM caches (store portions of main memory in special high-speed RAM which may be accessed as fast as the CPU is capable of accessing memory). See also Delayed Write, Write-Through. (OPCODE WBINVD) WRITE 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. UPDATE AREA {real mode} (INT 15, Intel Pentium Pro 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. UPDATE, AX=D042h/BL=01h) WRITE BLOCK (INT 14, 3com BAPI SERIAL I/O, AH=A4h) WRITE BLOCK (INT 14, FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use., AH=19h) WRITE BLOCK (INT 14, TelAPI, AH=06h) WRITE BLOCK OF CHARACTERS WITH ATTRIBUTE (INT 49, TI Professional PCIBM PC, CRT, AH=10h) WRITE BLOCK OF CHARACTERS WITH CURR ATTRIB (INT 49, TI Professional PCIBM PC, CRT, AH=11h) WRITE BOOT DEVICE ID (INT 15, later PSIBM PS/2, any model/2s, AX=D600h/BL=01h) WRITE BOOT DEVICE KEY (INT 15, later PSIBM PS/2, any model/2s, AX=D601h/BL=01h) WRITE BUFFER (INT 14, MBBIOS, AH=0Ah) WRITE BYTE TO CONSOLE PORTIBM PC Portable (uses same BIOS as XT) (INT 7F, Alloy MW386, AH=C6h) WRITE BYTE TO TERMINAL AUX PORTIBM PC Portable (uses same BIOS as XT) (INT 7F, Alloy MW386, AH=C3h) WRITE CHARACTER (INT 14, 3com BAPI SERIAL I/O, AH=A2h) WRITE CHARACTER (INT 17, PRINTER, AH=00h) WRITE CHARACTER AND ATTRIBUTE ATIBM PC AT CURSOR POSITION (INT 10, VIDEO, AH=09h) WRITE CHARACTER ONLY ATIBM PC AT CURSOR POSITION (INT 10, VIDEO, AH=0Ah) WRITE CHARACTER TO CURRENT CLIPBOARD CURSOR POSITION (INT 16, PUPClip v1.12+, AX=CB04h) WRITE CHARACTER TO PORTIBM PC Portable (uses same BIOS as XT) (INT 14, MultiDOS Plus IODRV, AH=06h) WRITE CHARACTER TO PORTIBM PC Portable (uses same BIOS as XT) (INT 14, SERIAL, AH=01h) WRITE CHARACTER TO PRINTER (INT 21, DOS 1+, AH=05h) WRITE CHARACTER TO SCREEN USING 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. SUPPORT ROUTINES (INT 14, FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use., AH=15h) WRITE CHARACTER TO STANDARD OUTPUT (INT 21, DOS 1+, AH=02h) WRITE CHARACTER TO STDAUX (INT 21, DOS 1+, AH=04h) WRITE CHARACTER(S) WITH ATTRIBUTE (INT 49, TI Professional PCIBM PC, CRT, AH=09h) WRITE CHARACTER(S) WITH CURRENT ATTRIBUTE (INT 49, TI Professional PCIBM PC, CRT, AH=0Ah) WRITE COLOR MIX REGISTERS (INT 10, VIDEO, Compaq SLT/286, AX=BF08h) WRITE CONFIGURATION BYTE (32-bit) (INT 1A, PCI 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. v2.0c+, AX=B18Bh) WRITE CONFIGURATION BYTE (INT 1A, PCI 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. v2.0c+, AX=B10Bh) WRITE CONFIGURATION DATA (INT 21, PCIBM PC/TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite. See also IP, TCP/IP. IPCUST.SYS, AH=40h) WRITE CONFIGURATION DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. (32-bit) (INT 1A, PCI 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. v2.0c+, AX=B18Dh/DI=0100h) WRITE CONFIGURATION DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. (INT 1A, PCI 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. v2.0c+, AX=B10Dh/DI=0100h) WRITE CONFIGURATION WORD (32-bit) (INT 1A, PCI 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. v2.0c+, AX=B18Ch/DI=0100h) WRITE CONFIGURATION WORD (INT 1A, PCI 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. v2.0c+, AX=B10Ch/DI=0100h) WRITE CONTROL BLOCK DATA INTO SCB OR TCB (INT D4, PC-MOS/386 v5.01, AH=29h) WRITE DATA (PCIBM PC and PCjr only) (INT 15, CASSETTE, AH=03h) WRITE DATA ON A VIRTUAL CIRCUIT (INT 6B, NPC NCSI EXTENDED SERIAL I/O, AH=18h) WRITE DATA PORTIBM PC Portable (uses same BIOS as XT) (PORTIBM PC Portable (uses same BIOS as XT) 0A79, Plug-and-Play) WRITE DATA TO NON-VOLATILE RAM(Random Access Memory) See also DRAM, SRAM. (INT 15, Amstrad PC1512, AH=01h/AL=3Fh) WRITE DELETED SECTORS (INT 13, V10DISK.SYS, AH=07h) WRITE DIAGNOSTIC CONTROL POINT CODE (INT 15, PhysTechSoft PTS ROM-DOS, AX=E901h) WRITE DISK SECTOR(S) (INT 13, DISK, AH=03h) WRITE EXTENDED ATTRIBUTE (INT 21, Novell NetWare, AX=F256h) WRITE EXTENDED NAME SPACE INFO (INT 21, Novell NetWare, AX=F257h) WRITE FILE (INT 50, PCIBM PC Thuis Organizer Shell, AX=0003h) WRITE GRAPHICS PIXEL (INT 10, VIDEO, AH=0Ch) WRITE GRAY SCALE TABLE (INT 10, VIDEO, Compaq SLT/286, AX=BF07h) WRITE IMAGE OF 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. TO FLASH-MEMORY (INT 15, PhysTechSoft PTS ROM-DOS, AX=E905h) WRITE LCD(Liquid Crystal Display) (INT 15, Olivetti Quaderno, AX=44C7h) WRITE LONG SECTOR(S) (ATIBM PC AT and later) (INT 13, HARD DISK, AH=0Bh) WRITE MASK (PORTIBM PC Portable (uses same BIOS as XT) AAE8-AAEB, 8514/A and compatible) WRITE MODEM CONTROL REGISTER (INT 14, PC-MOS/386 v5.01 $serial.sys v5.04, AH=17h) WRITE MULTIPLE (INT 1A, PCMCIA Socket Services v1.00, AH=94h) WRITE MULTIPLE DISK SECTORS (INT 13, HARD DISK, PSIBM PS/2, any model/1 and newer PS/2IBM PS/2, any model, AH=22h) WRITE NAME SPACE INFO (INT 21, Novell NetWare, AX=F257h/DX=0000h) WRITE NONVOLATILE MEMORY (INT 15, EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SYSTEM ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs., AX=D803h) WRITE ONE (INT 1A, PCMCIA Socket Services v1.00, AH=92h) WRITE ONE REGISTER (INT 10, EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. Register Interface Library, AH=F1h) WRITE PAGE-TABLE ENTRY {obsolete, protected mode} (INT 21, Phar Lap 386/DOS-Extender VMM v2.1c, AX=251Eh) WRITE PROPERTY VALUE (INT 21, Novell NetWare, AX=F217h/DX=0000h) WRITE PROPERTY VALUE (INT 21, Novell NetWare, BINDERY SERVICES, AH=E3h) WRITE RANDOM RECORD TO FCBsee File Control Block FILE (INT 21, DOS 1+, AH=22h) WRITE RECORD TO VMM PAGE LOG FILE {protected mode} (INT 21, Phar Lap 386/DOS-Ext VMM v3.0, AX=252Fh) WRITE REGISTER RANGE (INT 10, EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. Register Interface Library, AH=F3h) WRITE REGISTER SET (INT 10, EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. Register Interface Library, AH=F5h) WRITE RTVGA 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. STRING TO DESTINATION (INT 10, VIDEO, Realtek RTVGA, AX=5F01h) WRITE SECTOR BUFFER (XTIBM PC XT only) (INT 13, HARD DISK, AH=0Fh) WRITE SECTOR(S) FROM MEMORY (INT 4D, TI Professional PCIBM PC, DISK, AH=03h) WRITE SETUP INFORMATION ON FLASH-DISK (INT 15, PhysTechSoft PTS ROM-DOS, AX=E907h) Write SMM(System Management Mode) A special CPU mode typically invoked on changes in power-supply status. In this mode, additional hidden memory becomes available for storing the CPU's state and a control program to deal with the needs of power management or other critical events. Header Pointer Register (OPCODE WRSHR) WRITE STRING (ATIBM PC AT and later,EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors.) (INT 10, VIDEO, AH=13h) WRITE STRING (INT 14, Digiboard DigiCHANNEL PCIBM PC/X*, AH=0Eh) WRITE STRING TO LOG (INT 2F, ThunderByte TBLOG, AX=C9FDh) WRITE STRING TO STANDARD OUTPUT (INT 21, DOS 1+, AH=09h) WRITE TEXT (INT 5F, HP 95LX/100LX/200LX GRAPHICS PRIMITIVES, AH=0Fh) WRITE TO BLOCK DEVICE CONTROL CHANNEL (INT 21, DOS 2+, IOCTL, AX=4405h) WRITE TO BOOT LOG {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Windows95, AX=4A17h) WRITE TO CHARACTER DEVICE CONTROL CHANNEL (INT 21, DOS 2+, IOCTL, AX=4403h) WRITE TO CLIPBOARD {partially documented} (INT 60, HP 95LX System Manager, DI=0708h) WRITE TO EEPROM (INT 15, Tandy 1000SL/TL, AX=7001h) WRITE TO FILE (INT 60, HP 95LX System Manager, DI=0505h) Write to Model Specified Register (OPCODE WRMSR) WRITE TO POINTER PORTIBM PC Portable (uses same BIOS as XT) (INT 15, SYSTEM, POINTING DEVICE 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. INTERFACE, AX=C208h) WRITE TO PRINTER {partially documented} (INT 60, HP 95LX System Manager, DI=0C02h) WRITE TO REMOTE FILE {callout or callback, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, NETWORK REDIRECTOR, AX=1109h) WRITE TO THE NETWORK (INT 63, BW-TCP, TCPIP.SYS, AH=19h) WRITE UART(Universal Asyncronous Receiver/Transmitter) A peripheral device which converts a sequence of bytes into a serial bit stream at a programmable rate, and vice versa. This device is what makes an RS-232 serial port function. See also USART. REGISTER (INT 14, COMM-DRV v14.0, AH=8Dh) WRITE VDU(Video Display Unit) Mainframe-speak for computer monitor. COLOR PLANE READ REGISTER (INT 15, Amstrad PC1512, AH=04h) WRITE VDU(Video Display Unit) Mainframe-speak for computer monitor. COLOR PLANE WRITE REGISTER (INT 15, Amstrad PC1512, AH=03h) WRITE VDU(Video Display Unit) Mainframe-speak for computer monitor. GRAPHICS BORDER REGISTER (INT 15, Amstrad PC1512, AH=05h) WRITE-ENABLE FLASH-DISK (INT 15, PhysTechSoft PTS ROM-DOS, AX=E903h) WRITE-HANDLING CONTROL REGISTER (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. C000h:0082h, AMD K6) WRITE-PROTECT FLASH-DISK (INT 15, PhysTechSoft PTS ROM-DOS, AX=E904h) X.PCIBM PC Packet software interface (INT 7A) xDISK v3.31 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, AX=4405h) XGA(Extended Graphics Array) Video Aperture Control (PORTIBM PC Portable (uses same BIOS as XT) 2101) XGA(Extended Graphics Array) Video Aperture Index (PORTIBM PC Portable (uses same BIOS as XT) 2108) XGA(Extended Graphics Array) Video Data (byte) (PORTIBM PC Portable (uses same BIOS as XT) 210B) XGA(Extended Graphics Array) Video Data (word/dword) (PORTIBM PC Portable (uses same BIOS as XT) 210C-210F) XGA(Extended Graphics Array) Video Index for Data (PORTIBM PC Portable (uses same BIOS as XT) 210A) XGA(Extended Graphics Array) Video Interrupt Enable (PORTIBM PC Portable (uses same BIOS as XT) 2104) XGA(Extended Graphics Array) Video Interrupt Status (PORTIBM PC Portable (uses same BIOS as XT) 2105) XGA(Extended Graphics Array) Video Memory Access Mode (PORTIBM PC Portable (uses same BIOS as XT) 2109) XGA(Extended Graphics Array) Video Operating Mode Register (PORTIBM PC Portable (uses same BIOS as XT) 2100) XGA(Extended Graphics Array) Video Virtual Memory Control (PORTIBM PC Portable (uses same BIOS as XT) 2106) XGA(Extended Graphics Array) Video Virtual Memory Interrupt Status (PORTIBM PC Portable (uses same BIOS as XT) 2107) XIOS INTERRUPT / UNKNOWN DISK DRIVE {callout or callback} (INT E6, CP/M-86One of the three operating systems offered by IBMInternational Busiuness Machines for its original PCIBM PC (the other two were MSDOS and the UCSD p-System). It has since evolved into DR-DOS version 6 and Novell DOS 7. v1.1) Xirlink/Relialogic XL-220/221 SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) 0140-014F) Xirlink/Relialogic XL-220/221 SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) 0150-015F) Xirlink/Relialogic XL-220/221 SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) 0160-016F) Xirlink/Relialogic XL-220/221 SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) 0170-017F) XLOAD - GET ??? (INT 7E, AX=5857h/BL=5Ah) XMSsee Extended Memory Specification EXTENSIONS (INT 2F, Helix Netroom RM386 v6.00, AX=4310h) XQL PRIMITIVES MANAGER 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 7B, Novell XQL) XTIBM PC XT HDC 1 (Hard Disk Controller) (PORTIBM PC Portable (uses same BIOS as XT) 0320-0323) XTIBM PC XT HDC 2 (Hard Disk Controller) (PORTIBM PC Portable (uses same BIOS as XT) 0324-0327) XTIBM PC XT HDC 3 (Hard Disk Controller) (PORTIBM PC Portable (uses same BIOS as XT) 0328-032B) XTIBM PC XT HDC 4 (Hard Disk Controller) (PORTIBM PC Portable (uses same BIOS as XT) 032C-032F) XT-Real Time Clock 2 (default jumpered address) (PORTIBM PC Portable (uses same BIOS as XT) 02C0-02DF) XTIBM PC XT: hard disk controller's I/O address (Western Digital) (MEM 0040h:0076h) YEAR (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 09h, RTCsee Real-Time Clock) YIELD CPU(Central Processing Unit) The microprocessor which executes programs on your computer. {partially documented} (INT 60, HP 95LX System Manager, DI=0106h) YTERM - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 7F) YTERM 1.4 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 7E) Zenith ATIBM PC AT 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. - ??? (INT 69) ZENITH, (MEM F000h:800Ch)