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8/12/2019 DOS Function Index
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DOS Function Index - Quick Reference Subset
All DOS Fns 25HSet INT Vector3cHCreate File 4eHFindFile/GetInfoService Groups 2aHGet Sys Date 3dHOpen File 4fHFind Next File
DOS Interrupts 2bHSet Sys Date 3eHClose File 50HSet Cur PSP2cHGet Sys Time 3fHRead File 51HGet Cur PSP
00HTerminate 2dHSet Sys Time 40HWrite File 52HList Of Lists01HKybd Input 2eHSet Verify 41HDelete File 54HGet Verify02HDisplay Char 2fHGet DTA 42HMove File Ptr56HRename/Move
File05HPrn Output 30HGet Version 43HFile Attrib 57HTime/Date File06HConsole I/O 31HTSR 44HIOCTL 58HMemAlloc
Strategy07HNoEcho RawInp32HGet DPB 45HDup Handle 59HGet Err Info08HNoEcho Inp 3300HGet BreakLvl46HRedir Handle 5aHCreate Uniq
File09HDisplay Text 3301HSet BreakLvl47HGet Dflt Dir 5bHCreate New File
0aHBufrd Input 3305HGet Boot Drv48HMem Alloc 5cHLock File0bHGet InpStatus34HGet InDOS 49HMem Free 5eHNetwork Misc0cHClear & Input35HGet INT Vector4aHMem Resize 5fHNetwork
Redirect0dHReset Disk 36HDisk Size/Free4bHExec 65HNational Lang
Fns0eHSet Dflt Disk39HMkDir 4cHTerminate 67HSet Handle Cnt19HGet Dflt Disk3aHRmDir 4dHGet Exit Code68HCommit File
Data1aHSet DTA 3bHChDir 6cHOpen/Create
File-*-
System Service Groups
Character I/ODevice DriversDirectory and FileDisplayDisk DrivesFile I/OFile I/O via FCBMemory ManagementMiscellaneousNational Language Support
Network and File-SharingPrinterProcess ControlSystem InformationTSR/Popup Functions
DOS Function Lists
Quick Reference SubsetComplete list, by Fn Number2.0+ Fns, by VersionSuperseded DOS FunctionsDOS Interrupts
http://webpages.charter.net/danrollins/techhelp/0023.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0006.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0007.HTMhttp://webpages.charter.net/danrollins/techhelp/0298.HTMhttp://webpages.charter.net/danrollins/techhelp/0008.HTMhttp://webpages.charter.net/danrollins/techhelp/0010.HTMhttp://webpages.charter.net/danrollins/techhelp/0009.HTMhttp://webpages.charter.net/danrollins/techhelp/0012.HTMhttp://webpages.charter.net/danrollins/techhelp/0011.HTMhttp://webpages.charter.net/danrollins/techhelp/0013.HTMhttp://webpages.charter.net/danrollins/techhelp/0014.HTMhttp://webpages.charter.net/danrollins/techhelp/0015.HTMhttp://webpages.charter.net/danrollins/techhelp/0016.HTMhttp://webpages.charter.net/danrollins/techhelp/0017.HTMhttp://webpages.charter.net/danrollins/techhelp/0018.HTMhttp://webpages.charter.net/danrollins/techhelp/0019.HTMhttp://webpages.charter.net/danrollins/techhelp/0020.HTMhttp://webpages.charter.net/danrollins/techhelp/0005.HTMhttp://webpages.charter.net/danrollins/techhelp/0023.HTMhttp://webpages.charter.net/danrollins/techhelp/0024.HTMhttp://webpages.charter.net/danrollins/techhelp/0021.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0021.HTMhttp://webpages.charter.net/danrollins/techhelp/0024.HTMhttp://webpages.charter.net/danrollins/techhelp/0023.HTMhttp://webpages.charter.net/danrollins/techhelp/0005.HTMhttp://webpages.charter.net/danrollins/techhelp/0020.HTMhttp://webpages.charter.net/danrollins/techhelp/0019.HTMhttp://webpages.charter.net/danrollins/techhelp/0018.HTMhttp://webpages.charter.net/danrollins/techhelp/0017.HTMhttp://webpages.charter.net/danrollins/techhelp/0016.HTMhttp://webpages.charter.net/danrollins/techhelp/0015.HTMhttp://webpages.charter.net/danrollins/techhelp/0014.HTMhttp://webpages.charter.net/danrollins/techhelp/0013.HTMhttp://webpages.charter.net/danrollins/techhelp/0011.HTMhttp://webpages.charter.net/danrollins/techhelp/0012.HTMhttp://webpages.charter.net/danrollins/techhelp/0009.HTMhttp://webpages.charter.net/danrollins/techhelp/0010.HTMhttp://webpages.charter.net/danrollins/techhelp/0008.HTMhttp://webpages.charter.net/danrollins/techhelp/0298.HTMhttp://webpages.charter.net/danrollins/techhelp/0007.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0006.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0023.HTM8/12/2019 DOS Function Index
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DOS & BIOS Data Structures
About Structures
DOS - File System DOS - Other
Dblspace/MRCI
BPB: BIOS Parameter Block ListOfLists(undoc'ed) CVF Layout
CDS: Current Directories MCB: Memory Control BlockMDBPB
DPB: Drive Parameter BlockPSP: Prgrm Segment PrefixBitFAT
DTA: Disk Transfer Address MDFAT
FAT: File Allocation TableEnvironment Layout BootSect
FCB: File Control Block Predefined E-vars FAT
RootDir
AbsDiskIORec ExecParamRec Sector Heap
Boot Sector Layout ExecStateRec "MD Stamps"
Directory Entry Layout ExecOverlayRec
Disk Partition Table ExecLoadRec Mapping
FAT>MDFAT
Extended DOS Partition EXE File Header DBLSPACE.INI
FileInfoRec
Media Descriptor Error Codes ErrorMode MRCInfoRec
ErrorInfoRec InDOS FlagMRCRequestRec
File Access Mode
File Attribute BIOS - General
File Handle BIOS Data Area CMOS MemoryFile Time/Date Format General Memory Map Equipment List
ROM-ScanSwitch Settings
Device Drivers & IOCTL
Device Header Layout BIOS - Video
Device Attribute Video Modes SVGA Video Modes
http://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0093.HTMhttp://webpages.charter.net/danrollins/techhelp/0060.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0094.HTMhttp://webpages.charter.net/danrollins/techhelp/0059.HTMhttp://webpages.charter.net/danrollins/techhelp/0266.HTMhttp://webpages.charter.net/danrollins/techhelp/0266.HTMhttp://webpages.charter.net/danrollins/techhelp/0061.HTMhttp://webpages.charter.net/danrollins/techhelp/0322.HTMhttp://webpages.charter.net/danrollins/techhelp/0323.HTMhttp://webpages.charter.net/danrollins/techhelp/0114.HTMhttp://webpages.charter.net/danrollins/techhelp/0085.HTMhttp://webpages.charter.net/danrollins/techhelp/0085.HTMhttp://webpages.charter.net/danrollins/techhelp/0114.HTMhttp://webpages.charter.net/danrollins/techhelp/0323.HTMhttp://webpages.charter.net/danrollins/techhelp/0322.HTMhttp://webpages.charter.net/danrollins/techhelp/0061.HTMhttp://webpages.charter.net/danrollins/techhelp/0266.HTMhttp://webpages.charter.net/danrollins/techhelp/0059.HTMhttp://webpages.charter.net/danrollins/techhelp/0094.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0060.HTMhttp://webpages.charter.net/danrollins/techhelp/0093.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTM8/12/2019 DOS Function Index
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Device Request Header Video Attributes SVGA Info Block
Device Status Word Video Font Definition SVGA Mode Info
Video Memory Layouts
IOCTL Device Info Color Table
IoctlDriveInfoRec
IoctlHandleInfoRec EGA/VGA Data Areas
VgaDynamicStateRec
EgaDynamicSaveRec
Generic IOCTL Data PacketsVgaStaticFnalityRec EgaGfxFontRec
IoctlCpIdRec VgaDccRec EgaMiscInfoRec
IoctlCpListRec VgaFlagsRec EgaSavePtrRec
IoctlCpPrepRec VgaPaletteProfileRec EgaTxtFontRec
IoctlDisplayModeRec VgaSavePtr2Rec EgaVidParmsRec
IoctlDeviceParmsRec
IoctlFmtVrfyTrackRec VidInitRec
IoctlMediaIdRec
IoctlRdWrtTrackRec BIOS - Keyboard
TrackLayoutRec Extended ASCII Keystrokes ASCII Table
Keyboard Scan Codes Control Codes
CLOCK$ I/O Structure Shift-Key Status Flags
National Language BIOS - Disk
Country Codes Diskette Parameter Table Master Boot
Record
Code Page Hard Disk Parameter Table Hard Disk Types
Code Page Font Files
Country ID Codes Error Codes
Country Info Block APM API Error Codes DPMI Error Codes
http://webpages.charter.net/danrollins/techhelp/0324.HTMhttp://webpages.charter.net/danrollins/techhelp/0087.HTMhttp://webpages.charter.net/danrollins/techhelp/0084.HTMhttp://webpages.charter.net/danrollins/techhelp/0325.HTMhttp://webpages.charter.net/danrollins/techhelp/0091.HTMhttp://webpages.charter.net/danrollins/techhelp/0086.HTMhttp://webpages.charter.net/danrollins/techhelp/0089.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0088.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0071.HTMhttp://webpages.charter.net/danrollins/techhelp/0082.HTMhttp://webpages.charter.net/danrollins/techhelp/0076.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0083.HTMhttp://webpages.charter.net/danrollins/techhelp/0078.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0081.HTMhttp://webpages.charter.net/danrollins/techhelp/0072.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0073.HTMhttp://webpages.charter.net/danrollins/techhelp/0074.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0080.HTMhttp://webpages.charter.net/danrollins/techhelp/0077.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0079.HTMhttp://webpages.charter.net/danrollins/techhelp/0075.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0090.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0055.HTMhttp://webpages.charter.net/danrollins/techhelp/0046.HTMhttp://webpages.charter.net/danrollins/techhelp/0057.HTMhttp://webpages.charter.net/danrollins/techhelp/0048.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0058.HTMhttp://webpages.charter.net/danrollins/techhelp/0275.HTMhttp://webpages.charter.net/danrollins/techhelp/0052.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0053.HTMhttp://webpages.charter.net/danrollins/techhelp/0054.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0043.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0043.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0054.HTMhttp://webpages.charter.net/danrollins/techhelp/0053.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0052.HTMhttp://webpages.charter.net/danrollins/techhelp/0275.HTMhttp://webpages.charter.net/danrollins/techhelp/0058.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0048.HTMhttp://webpages.charter.net/danrollins/techhelp/0057.HTMhttp://webpages.charter.net/danrollins/techhelp/0046.HTMhttp://webpages.charter.net/danrollins/techhelp/0055.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0090.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0075.HTMhttp://webpages.charter.net/danrollins/techhelp/0079.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0077.HTMhttp://webpages.charter.net/danrollins/techhelp/0080.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0074.HTMhttp://webpages.charter.net/danrollins/techhelp/0073.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0072.HTMhttp://webpages.charter.net/danrollins/techhelp/0081.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0078.HTMhttp://webpages.charter.net/danrollins/techhelp/0083.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0076.HTMhttp://webpages.charter.net/danrollins/techhelp/0082.HTMhttp://webpages.charter.net/danrollins/techhelp/0071.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0088.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0089.HTMhttp://webpages.charter.net/danrollins/techhelp/0086.HTMhttp://webpages.charter.net/danrollins/techhelp/0091.HTMhttp://webpages.charter.net/danrollins/techhelp/0325.HTMhttp://webpages.charter.net/danrollins/techhelp/0084.HTMhttp://webpages.charter.net/danrollins/techhelp/0087.HTMhttp://webpages.charter.net/danrollins/techhelp/0324.HTM8/12/2019 DOS Function Index
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Extended Country Info BIOS COM status codes EMM Status
BIOS disk error codesMRCI Error Codes
DOS Shell/Task Switcher BIOS Printer Status Flags XMS Error Codes
SwApiInfoRec Device Driver Errors
SwCallbackInfoRec DOS Error Codes POST Error Codes
SwStartupInfoRec DoubleSpace Error Codes
SwInstanceItemRec
SwVersionRec
See Also:BIOS Data Area
General Memory MapCables and Pin OutsGeneral Index
-*-
DOS, BIOS & Extensions Service Index
This is the complete, combined list of DOS functions and BIOS interrupts
and common DOS extension services covered by TECH Help! These are listedby interrupt number, then sub-function number. For more manageable chunks,see:
API Index........ Individual APIs listed separatelyService Groups... Indexes with functions grouped by categoryTECH Topics...... Often used topics, plus API overviews and articlesGeneral Index.... Lots of ways to find stuffDOS Fns QuickRef by Number by DOS Version Obsolete FnsDOS Interrupts
Interrupts and BIOS ServicesINT 00H: Division OverflowINT 01H: Single-Step Interrupt
INT 02H: Non-Maskable InterruptINT 03H: Breakpoint InterruptINT 04H: Overflow InterruptINT 05H: Print Screen / Bounds ExceptionINT 06H: Invalid OpcodeINT 07H: Math Coprocessor Not PresentINT 08H: Timer InterruptINT 09H: Keyboard InterruptINT 0aH: IRQ 2 Cascade / Invalid Task StateINT 0bH: IRQ 3 COM2/4 / Segment Not PresentINT 0cH: IRQ 4 COM1/3 / Stack OverflowINT 0dH: IRQ 5 LPT2 / General Protection FaultINT 0eH: Diskette Interrupt / Page Fault
INT 0fH: IRQ 7 LPT1
INT 10H: Video Services
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p://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0241.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0205.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0211.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTM8/12/2019 DOS Function Index
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INT 10H 00H: Set Video ModeINT 10H 01H: Set Cursor Shape & SizeINT 10H 02H: Set Cursor PositionINT 10H 03H: Query Cursor Position and SizeINT 10H 04H: Query Light PenINT 10H 05H: Select Video Page
INT 10H 06H: Scroll Up / Clear Screen RectangleINT 10H 07H: Scroll Down / Clear Screen RectangleINT 10H 08H: Read Character/Attribute at Cursor LocationINT 10H 09H: Write Character/Attribute to Cursor LocationINT 10H 0aH: Write Character to Cursor LocationINT 10H 0bH: Select Graphics Palette or Text Border ColorINT 10H 0cH: Write Graphics PixelINT 10H 0dH: Read Graphics PixelINT 10H 0eH: Write Character as TTYINT 10H 0fH: Query Current Video InfoINT 10H 13H: AT/EGA/VGA String Display FunctionsINT 10H 1300H: Display StringINT 10H 1301H: Display String and Update Cursor
INT 10H 1302H: Display Character/Attribute CellsINT 10H 1303H: Display Char/Attr Cells & Update CursorINT 10H 10H: EGA/VGA Palette FunctionsINT 10H 1000H: Set One Palette RegisterINT 10H 1001H: Set Overscan/Border Color RegisterINT 10H 1002H: Set All Palette Registers and OverscanINT 10H 1003H: Select Foreground Blink or Bold BackgroundINT 10H 1007H: Read One Palette RegisterINT 10H 1008H: Read Overscan RegisterINT 10H 1009H: Read All Palette RegistersINT 10H 1010H: Set One DAC Color RegisterINT 10H 1012H: Set a Block of DAC Color RegisterINT 10H 1013H: DAC Color Paging FunctionsINT 10H 1015H: Read One DAC Color RegisterINT 10H 1017H: Read a Block of DAC Color RegistersINT 10H 101aH: Query DAC Color Paging StateINT 10H 101bH: Convert DAC Colors to Gray-Scale ValuesINT 10H 11H: EGA/VGA Character Generator FunctionsINT 10H 1100H: Load User-Defined FontINT 10H 1101H: Load ROM 8x14 Character SetINT 10H 1102H: Load ROM 8x8 Character SetINT 10H 1103H: Activate Font BlockINT 10H 1104H: Load ROM 8x16 Character SetINT 10H 1110H: Load and Activate User-Defined FontINT 10H 1111H: Load and Activate ROM 8x14 Character SetINT 10H 1112H: Load and Activate ROM 8x8 Character SetINT 10H 1114H: Load and activate ROM 8x16 Character SetINT 10H 1120H: Setup INT 1fH VectorINT 10H 1121H: Setup User-Defined Font for Graphics ModeINT 10H 1122H: Setup ROM 8x14 Font for Graphics ModeINT 10H 1123H: Setup ROM 8x8 Font for Graphics ModeINT 10H 1124H: Setup ROM 8x16 Font for Graphics ModeINT 10H 1130H: Get Current Character Generator InfoINT 10H 12H: EGA/VGA Special Functions/Alternate SelectINT 10H 12H BL=10H: Get EGA informationINT 10H 12H BL=20H: Select Alternate Print Screen HandlerINT 10H 12H BL=30H: Select Scan Lines for Text ModesINT 10H 12H BL=31H: Palette Loading on Mode SetINT 10H 12H BL=32H: Enable/Disable Video RAM & I/O PortsINT 10H 12H BL=33H: Enable/Disable Gray-Scale Summing
INT 10H 12H BL=34H: Cursor Emulation (Scaling)INT 10H 12H BL=35H: Switch PS/2 Displays
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charter.net/danrollins/techhelp/0148.HTMhttp://webpages.charter.net/danrollins/techhelp/0147.HTMhttp://webpages.charter.net/danrollins/techhelp/0146.HTMhttp://webpages.charter.net/danrollins/techhelp/0145.HTMhttp://webpages.charter.net/danrollins/techhelp/0144.HTMhttp://webpages.charter.net/danrollins/techhelp/0143.HTMhttp://webpages.charter.net/danrollins/techhelp/0142.HTMhttp://webpages.charter.net/danrollins/techhelp/0141.HTMhttp://webpages.charter.net/danrollins/techhelp/0140.HTMhttp://webpages.charter.net/danrollins/techhelp/0139.HTMhttp://webpages.charter.net/danrollins/techhelp/0138.HTMhttp://webpages.charter.net/danrollins/techhelp/0137.HTMhttp://webpages.charter.net/danrollins/techhelp/0136.HTMhttp://webpages.charter.net/danrollins/techhelp/0135.HTMhttp://webpages.charter.net/danrollins/techhelp/0134.HTMhttp://webpages.charter.net/danrollins/techhelp/0133.HTMhttp://webpages.charter.net/danrollins/techhelp/0132.HTMhttp://webpages.charter.net/danrollins/techhelp/0131.HTMhttp://webpages.charter.net/danrollins/techhelp/0130.HTMhttp://webpages.charter.net/danrollins/techhelp/0129.HTMhttp://webpages.charter.net/danrollins/techhelp/0128.HTMhttp://webpages.charter.net/danrollins/techhelp/0127.HTMhttp://webpages.charter.net/danrollins/techhelp/0126.HTMhttp://webpages.charter.net/danrollins/techhelp/0125.HTMhttp://webpages.charter.net/danrollins/techhelp/0124.HTMhttp://webpages.charter.net/danrollins/techhelp/0123.HTMhttp://webpages.charter.net/danrollins/techhelp/0122.HTMhttp://webpages.charter.net/danrollins/techhelp/0121.HTMhttp://webpages.charter.net/danrollins/techhelp/0120.HTMhttp://webpages.charter.net/danrollins/techhelp/0119.HTMhttp://webpages.charter.net/danrollins/techhelp/0118.HTMhttp://webpages.charter.net/danrollins/techhelp/0117.HTMhttp://webpages.charter.net/danrollins/techhelp/0116.HTMhttp://webpages.charter.net/danrollins/techhelp/0115.HTM8/12/2019 DOS Function Index
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INT 10H 12H BL=36H: Enable/Disable Screen RefreshINT 10H 1aH: Set or Query Display Combination CodeINT 10H 1bH: Get VGA Functionality and State InfoINT 10H 1cH: VGA State Save/Restore FunctionsINT 10H 1c00H: VGA Query Size of State-Save BufferINT 10H 1c01H: VGA Save Video State
INT 10H 1c02H: VGA Restore Video State
VESA/SVGA BIOS FunctionsINT 10H 4f00H - Query SuperVGA SupportINT 10H 4f01H - Query SuperVGA Mode InformationINT 10H 4f02H - Set SuperVGA Video ModeINT 10H 4f03H - Query Current SuperVGA Video ModeINT 10H 4f04H - Save/Restore SuperVGA StateINT 10H 4f05H - Query/Set SuperVGA Video Memory Window
INT 11H: Equipment CheckINT 12H: Conventional Memory Size
INT 13H: BIOS Disk I/OINT 13H 00H: Reset DriveINT 13H 01H: Query Disk Error StatusINT 13H 02H: Read SectorsINT 13H 03H: Write SectorsINT 13H 04H: Verify SectorsINT 13H 05H: Format TrackINT 13H 08H: Get Drive ParametersINT 13H 09H: Initialize Drive Parameter TableINT 13H 0aH: Read Sector Plus ECCINT 13H 0bH: Write Sector Plus ECCINT 13H 0cH: Seek CylinderINT 13H 0dH: Alternate Reset Drive
INT 13H 10H: Test Drive ReadyINT 13H 11H: Recalibrate DriveINT 13H 14H: Controller Self-TestINT 13H 15H: Get Diskette Type or Check Hard Drive InstalledINT 13H 16H: Detect Media ChangeINT 13H 17H: Set Media Transfer RateINT 13H 18H: Set Media Type for Format
INT 14H: Serial Port I/OINT 14H 00H: Initialize Asynchronous Communication PortINT 14H 01H: Send a CharacterINT 14H 02H: Receive a CharacterINT 14H 03H: Query Serial Port Status
INT 15H: ATExtended Services / APMINT 15H 4fH: Keyboard InterceptINT 15H 80H: Device OpenINT 15H 81H: Device CloseINT 15H 82H: Program TerminationINT 15H 8300H: Set Event Wait IntervalINT 15H 8301H: Cancel Event Wait IntervalINT 15H 84H: Joystick SupportINT 15H 85H: SysReq KeyINT 15H 86H: WaitINT 15H 87H: Move Memory BlockINT 15H 88H: Get Extended Memory Size
INT 15H 89H: Switch to Protected modeINT 15H 90H: Device Busy
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DOS Function Index
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INT 15H 91H: Interrupt FinishedINT 15H c0H: Get System Parameters
Power Management APIINT 15H 5300H: Installation CheckINT 15H 5301H: Interface Connect
INT 15H 5302H: Interface Connect (Prot. Mode/16-bit)INT 15H 5303H: Interface Connect (Prot. Mode/32-bit)INT 15H 5304H: Interface DisconnectINT 15H 5305H: CPU IdleINT 15H 5306H: CPU BusyINT 15H 5307H: Set Power StateINT 15H 5308H: Enable/Disable Power ManagementINT 15H 5309H: Restore System-BIOS Power-On DefaultsINT 15H 530aH: Query Power StatusINT 15H 530bH: Get Power Management Event
INT 16H: Keyboard ServicesINT 16H 00H: Read (Wait for) Next Keystroke
INT 16H 01H: Query Keyboard Status / Preview KeyINT 16H 02H: Query Keyboard Shift StatusINT 16H 03H: Set Keyboard Typematic Rate and DelayINT 16H 05H: Store Keystroke DataINT 16H 10H: Read Extended Keyboard InputINT 16H 11H: Query Extended Keyboard Status / Preview KeyINT 16H 12H: Query Extended Keyboard Shift Status
INT 17H: Printer SupportINT 17H 00H: Print One CharacterINT 17H 01H: Initialize Printer PortINT 17H 02H: Query Printer Status
INT 18H: ROM-BASICINT 19H: Bootstrap Loader
INT 1aH: TimerI/O (and MRCI POST Hook)INT 1aH 00H: Read System Clock (Ticks)INT 1aH 01H: Set System Clock (Ticks)INT 1aH 02H: Read Time from Real-Time ClockINT 1aH 03H: Set Time on Real-Time ClockINT 1aH 04H: Read Date from Real-Time ClockINT 1aH 05H: Set Date on Real-Time ClockINT 1aH 06H: Set Real-Time Clock AlarmINT 1aH 07H: Cancel Real-Time Clock Alarm
INT 1aH b001H: Query ROM/Hardware-Based MRCI Support
INT 1bH: Keyboard BreakINT 1cH: User Timer InterruptINT 1dH: Video Initialization Table PointerINT 1eH: Diskette Parameter PointerINT 1fH: CGA Graphics Character Font Pointer
INT 20H: Program Terminate
INT 21H: DOS FunctionsDOS Fn 00H: Terminate a ProgramDOS Fns 01H-0cH: Low-level I/O
DOS Fn 01H: Keyboard InputDOS Fn 02H: Display Output
http://webpages.charter.net/danrollins/techhelp/0226.HTMhttp://webpages.charter.net/danrollins/techhelp/0226.HTMhttp://webpages.charter.net/danrollins/techhelp/0227.HTMhttp://webpages.charter.net/danrollins/techhelp/0029.HTMhttp://webpages.charter.net/danrollins/techhelp/0031.HTMhttp://webpages.charter.net/danrollins/techhelp/0032.HTMhttp://webpages.charter.net/danrollins/techhelp/0033.HTMhttp://webpages.charter.net/danrollins/techhelp/0034.HTMhttp://webpages.charter.net/danrollins/techhelp/0035.HTMhttp://webpages.charter.net/danrollins/techhelp/0036.HTMhttp://webpages.charter.net/danrollins/techhelp/0037.HTMhttp://webpages.charter.net/danrollins/techhelp/0038.HTMhttp://webpages.charter.net/danrollins/techhelp/0039.HTMhttp://webpages.charter.net/danrollins/techhelp/0040.HTMhttp://webpages.charter.net/danrollins/techhelp/0041.HTMhttp://webpages.charter.net/danrollins/techhelp/0042.HTMhttp://webpages.charter.net/danrollins/techhelp/0228.HTMhttp://webpages.charter.net/danrollins/techhelp/0229.HTMhttp://webpages.charter.net/danrollins/techhelp/0230.HTMhttp://webpages.charter.net/danrollins/techhelp/0231.HTMhttp://webpages.charter.net/danrollins/techhelp/0232.HTMhttp://webpages.charter.net/danrollins/techhelp/0233.HTMhttp://webpages.charter.net/danrollins/techhelp/0234.HTMhttp://webpages.charter.net/danrollins/techhelp/0235.HTMhttp://webpages.charter.net/danrollins/techhelp/0236.HTMhttp://webpages.charter.net/danrollins/techhelp/0237.HTMhttp://webpages.charter.net/danrollins/techhelp/0237.HTMhttp://webpages.charter.net/danrollins/techhelp/0237.HTMhttp://webpages.charter.net/danrollins/techhelp/0238.HTMhttp://webpages.charter.net/danrollins/techhelp/0239.HTMhttp://webpages.charter.net/danrollins/techhelp/0240.HTMhttp://webpages.charter.net/danrollins/techhelp/0242.HTMhttp://webpages.charter.net/danrollins/techhelp/0243.HTMhttp://webpages.charter.net/danrollins/techhelp/0244.HTMhttp://webpages.charter.net/danrollins/techhelp/0244.HTMhttp://webpages.charter.net/danrollins/techhelp/0244.HTMhttp://webpages.charter.net/danrollins/techhelp/0245.HTMhttp://webpages.charter.net/danrollins/techhelp/0246.HTMhttp://webpages.charter.net/danrollins/techhelp/0247.HTMhttp://webpages.charter.net/danrollins/techhelp/0248.HTMhttp://webpages.charter.net/danrollins/techhelp/0249.HTMhttp://webpages.charter.net/danrollins/techhelp/0250.HTMhttp://webpages.charter.net/danrollins/techhelp/0251.HTMhttp://webpages.charter.net/danrollins/techhelp/0252.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0253.HTMhttp://webpages.charter.net/danrollins/techhelp/0254.HTMhttp://webpages.charter.net/danrollins/techhelp/0255.HTMhttp://webpages.charter.net/danrollins/techhelp/0256.HTMhttp://webpages.charter.net/danrollins/techhelp/0257.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0257.HTMhttp://webpages.charter.net/danrollins/techhelp/0256.HTMhttp://webpages.charter.net/danrollins/techhelp/0255.HTMhttp://webpages.charter.net/danrollins/techhelp/0254.HTMhttp://webpages.charter.net/danrollins/techhelp/0253.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/0252.HTMhttp://webpages.charter.net/danrollins/techhelp/0251.HTMhttp://webpages.charter.net/danrollins/techhelp/0250.HTMhttp://webpages.charter.net/danrollins/techhelp/0249.HTMhttp://webpages.charter.net/danrollins/techhelp/0248.HTMhttp://webpages.charter.net/danrollins/techhelp/0247.HTMhttp://webpages.charter.net/danrollins/techhelp/0246.HTMhttp://webpages.charter.net/danrollins/techhelp/0245.HTMhttp://webpages.charter.net/danrollins/techhelp/0244.HTMhttp://webpages.charter.net/danrollins/techhelp/0244.HTMhttp://webpages.charter.net/danrollins/techhelp/0243.HTMhttp://webpages.charter.net/danrollins/techhelp/0242.HTMhttp://webpages.charter.net/danrollins/techhelp/0240.HTMhttp://webpages.charter.net/danrollins/techhelp/0239.HTMhttp://webpages.charter.net/danrollins/techhelp/0238.HTMhttp://webpages.charter.net/danrollins/techhelp/0237.HTMhttp://webpages.charter.net/danrollins/techhelp/0236.HTMhttp://webpages.charter.net/danrollins/techhelp/0235.HTMhttp://webpages.charter.net/danrollins/techhelp/0234.HTMhttp://webpages.charter.net/danrollins/techhelp/0233.HTMhttp://webpages.charter.net/danrollins/techhelp/0232.HTMhttp://webpages.charter.net/danrollins/techhelp/0231.HTMhttp://webpages.charter.net/danrollins/techhelp/0230.HTMhttp://webpages.charter.net/danrollins/techhelp/0229.HTMhttp://webpages.charter.net/danrollins/techhelp/0228.HTMhttp://webpages.charter.net/danrollins/techhelp/0042.HTMhttp://webpages.charter.net/danrollins/techhelp/0041.HTMhttp://webpages.charter.net/danrollins/techhelp/0040.HTMhttp://webpages.charter.net/danrollins/techhelp/0039.HTMhttp://webpages.charter.net/danrollins/techhelp/0038.HTMhttp://webpages.charter.net/danrollins/techhelp/0037.HTMhttp://webpages.charter.net/danrollins/techhelp/0036.HTMhttp://webpages.charter.net/danrollins/techhelp/0035.HTMhttp://webpages.charter.net/danrollins/techhelp/0034.HTMhttp://webpages.charter.net/danrollins/techhelp/0033.HTMhttp://webpages.charter.net/danrollins/techhelp/0032.HTMhttp://webpages.charter.net/danrollins/techhelp/0031.HTMhttp://webpages.charter.net/danrollins/techhelp/0029.HTMhttp://webpages.charter.net/danrollins/techhelp/0227.HTMhttp://webpages.charter.net/danrollins/techhelp/0226.HTM8/12/2019 DOS Function Index
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DOS Fn 03H: Auxiliary InputDOS Fn 04H: Auxiliary OutputDOS Fn 05H: Printer OutputDOS Fn 06H: Console I/ODOS Fn 07H: No Echo Unfiltered Console InputDOS Fn 08H: No Echo Console Input
DOS Fn 09H: Display StringDOS Fn 0aH: Buffered String InputDOS Fn 0bH: Check Input StatusDOS Fn 0cH: Clear & InputDOS Fn 0dH: Reset DiskDOS Fn 0eH: Select DOS Default DiskDOS Fn 0fH: Open File via FCBDOS Fn 10H: Close File via FCBDOS Fn 11H: Find 1st Matching File via FCBDOS Fn 12H: Find Next Matching File via FCBDOS Fn 13H: Delete File via FCBDOS Fn 14H: Read Sequential File via FCBDOS Fn 15H: Write Sequential File via FCB
DOS Fn 16H: Create File via FCBDOS Fn 17H: Rename File via FCBDOS Fn 19H: Query DOS Default DiskDOS Fn 1aH: Set Disk Transfer Address (DTA)DOS Fn 1bH: Get Drive Info (current disk)DOS Fn 1cH: Get Drive Info (any disk)DOS Fn 1fH: Get Drive Parameter Block (current disk)DOS Fn 21H: Read Random File RecordDOS Fn 22H: Write Random File RecordDOS Fn 23H: Query File Size via FCBDOS Fn 24H: Set Random File Block AddressDOS Fn 25H: Set Interrupt VectorDOS Fn 26H: Create Program Segment PrefixDOS Fn 27H: Read Random File BlockDOS Fn 28H: Write Random File BlockDOS Fn 29H: Parse FilenameDOS Fn 2aH: Query DOS DateDOS Fn 2bH: Set DOS DateDOS Fn 2cH: Query DOS TimeDOS Fn 2dH: Set DOS TimeDOS Fn 2eH: Set/Reset Verify SwitchDOS Fn 2fH: Query Disk Transfer Address (DTA)DOS Fn 30H: Get DOS Version NumberDOS Fn 31H: Terminate & Stay ResidentDOS Fn 32H: Get DPB (Drive Parameter Block)DOS Fn 33H: Set/Query Break-check; Query DOS InfoDOS Fn 3300H: Query Break-Check FlagDOS Fn 3301H: Set Break-check levelDOS Fn 3305H: Get Boot DriveDOS Fn 3306H: Get DOS Version InfoDOS Fn 34H: Get InDOS Address (DOS Reentrancy Status)DOS Fn 35H: Get Interrupt VectorDOS Fn 36H: Get Disk Free SpaceDOS Fn 37H: Set or Query Switch CharacterDOS Fn 3700H: Query SwitcharDOS Fn 3701H: Set SwitcharDOS Fn 38H: Get/Set Country-dependent InfoDOS Fn 39H: Create a New Directory -- MKDIRDOS Fn 3aH: Delete a Directory -- RMDIRDOS Fn 3bH: Set DOS Default Directory -- CHDIR
DOS Fn 3cH: Create a File via HandleDOS Fn 3dH: Open a File via Handle
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elp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTMhttp://webpages.charter.net/danrollins/techhelp/NOTHERE.HTM8/12/2019 DOS Function Index
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DOS Fn 3eH: Close a File HandleDOS Fn 3fH: Read from File via HandleDOS Fn 40H: Write to File via HandleDOS Fn 41H: Delete FileDOS Fn 42H: Set File PointerDOS Fn 43H: Set or Query File attributes
DOS Fn 4300H: Query File AttributeDOS Fn 4301H: Set File AttributeDOS Fn 44H: Device I/O Control -- IOCTLDOS Fn 4400H: IOCTL Query Device/File FlagsDOS Fn 4401H: IOCTL Set Device/File FlagsDOS Fn 4402H: IOCTL Receive Control Data from Char DeviceDOS Fn 4403H: IOCTL Send Control Data to Character DeviceDOS Fn 4404H: IOCTL Receive Control Data from Block Device
DoubleSpace IOCTL fn 'F': Flush DoubleSpace CacheDoubleSpace IOCTL fn 'I': Flush and Invalidate CacheDoubleSpace IOCTL fn 'S': Get DriveSpace Pointers
DOS Fn 4405H: IOCTL Send Control Data to Block DeviceDOS Fn 4406H: IOCTL Query Handle Input Status
DOS Fn 4407H: IOCTL Query Handle Output StatusDOS Fn 4408H: IOCTL Does Drive Use Removable MediaDOS Fn 4409H: IOCTL Is Drive Remote or SUBSTDOS Fn 440aH: IOCTL Is File/Device RemoteDOS Fn 440bH: IOCTL Set Sharing Retry CountDOS Fn 440cH: Generic I/O Control -- Character DevicesDOS Fn 440cH CL=45H: IOCTL Set Retry Iteration CountDOS Fn 440cH CL=4AH: IOCTL Select Code PageDOS Fn 440cH CL=4CH: IOCTL Start Code Page PrepareDOS Fn 440cH CL=4DH: IOCTL End Code Page PrepareDOS Fn 440cH CL=5Fh: IOCTL Set Display ModeDOS Fn 440cH CL=65H: IOCTL Query Retry Iteration CountDOS Fn 440cH CL=6AH: IOCTL Query Current Code PageDOS Fn 440cH CL=6BH: IOCTL Query Code Page ListDOS Fn 440cH CL=7Fh: IOCTL Query Display ModeDOS Fn 440dH: Generic I/O Control -- Block DevicesDOS Fn 440dH CL=40H: IOCTL Set Device ParametersDOS Fn 440dH CL=41H: IOCTL Write Track on Logical DriveDOS Fn 440dH CL=42H: IOCTL Format Track on Logical DriveDOS Fn 440dH CL=46H: IOCTL Set Media IDDOS Fn 440dH CL=47H: IOCTL Set Access FlagDOS Fn 440dH CL=60H: IOCTL Query Device ParametersDOS Fn 440dH CL=61H: IOCTL Read Track on Logical DriveDOS Fn 440dH CL=62H: IOCTL Verify Track on Logical DriveDOS Fn 440dH CL=66H: IOCTL Query Media IDDOS Fn 440dH CL=67H: IOCTL Query Access FlagDOS Fn 440dH CL=68H: IOCTL Sense Media TypeDOS Fn 440eH: IOCTL Query Logical Drive MapDOS Fn 440fH: IOCTL Set Logical Drive MapDOS Fn 4410H: IOCTL Query IOCTL Support for HandleDOS Fn 4411H: IOCTL Query IOCTL Support for DeviceDOS Fn 45H: Duplicate a File HandleDOS Fn 46H: Redirect a HandleDOS Fn 47H: Query Default DirectoryDOS Fn 48H: Allocate Memory / Query Free MemoryDOS Fn 49H: Free Allocated Memory BlockDOS Fn 4aH: Shrink or Expand a Memory BlockDOS Fn 4bH: Load or Execute a programDOS Fn 4b00H: Execute a ProgramDOS Fn 4b01H: Load Program
DOS Fn 4b03H: Load OverlayDOS Fn 4b05H: Set Execution State
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DOS Function Index
10/24
DOS Fn 4cH: Terminate ProgramDOS Fn 4dH: Get Program Exit CodeDOS Fn 4eH: Find 1st Matching FileDOS Fn 4fH: Find Next Matching FileDOS Fn 50H: Set PSPDOS Fn 51H: Query Current PSP
DOS Fn 52H: Get DOS VariablesDOS Fn 53H: Convert BPB to DPBDOS Fn 54H: Get DOS Verify StateDOS Fn 56H: Rename/Move a FileDOS Fn 57H: Set or Query File Time/DateDOS Fn 5700H: Query File Time/DateDOS Fn 5701H: Set File Time/DateDOS Fn 58H: Set or Query Memory Allocation OptionsDOS Fn 5800H: Query Memory Allocation StrategyDOS Fn 5801H: Set Memory Allocation StrategyDOS Fn 5802H: Query Upper-Memory Link StateDOS Fn 5803H: Set Upper-Memory Link StateDOS Fn 59H: Get Extended Error Info
DOS Fn 5aH: Create Unique Temporary FileDOS Fn 5bH: Create New FileDOS Fn 5cH: Lock/Unlock File AccessDOS Fn 5c00H: Lock File AccessDOS Fn 5c01H: Unlock File AccessDOS Fn 5d0aH: Set Extended ErrorDOS Fn 5eH: Network MiscellaneousDOS Fn 5e00H: Query Network Node NameDOS Fn 5e02H: Set Network Printer SetupDOS Fn 5e03H: Query Network Printer SetupDOS Fn 5fH: Network Device RedirectionDOS Fn 5f02H: Network Query Assign-List EntryDOS Fn 5f03H: Make Network ConnectionDOS Fn 5f04H: Delete Network ConnectionDOS Fn 60H: Query TrueNameDOS Fn 62H: Query Current PSPDOS Fn 65H: Extended Country Information FunctionsDOS Fn 6501H: Get Extended Country InformationDOS Fn 6504H: Get Uppercase TableDOS Fn 6505H: Get Filename Character TableDOS Fn 6506H: Get Collating Sequence TableDOS Fn 6507H: Get Double-Byte Character SetDOS Fn 6520H: Upshift CharacterDOS Fn 6521H: Upshift StringDOS Fn 6522H: Upshift ASCIIZ StringDOS Fn 66H: Set or Query Active Code PageDOS Fn 6601H: Query Active Code PageDOS Fn 6602H: Activate Code PageDOS Fn 67H: Set File Handle CountDOS Fn 68H: Commit FileDOS Fn 6cH: Extended Open/Create
Device Driver RequestsDevice Request 00H: Initialize deviceDevice Request 01H: Media CheckDevice Request 02H: Build BPBDevice Request 03H: IOCTL InputDevice Request 04H: Input (Read Data from Device)Device Request 05H: Non-destructive InputDevice Request 06H: Input StatusDevice Request 07H: Input FlushDevice Request 08H: Output (Write Data to Device)
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