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Over the past few days, some readers have encountered an error while executing the winxp debug command. This problem can arise for several reasons. Let’s take a look at them below.
DEBUG any line-oriented debugger is a command external to the operation of cpa networks such as DOS, OS / 2 and Windows (only in 16-bit / 32-bit versions [1] ).
DEBUG can act as an assembly, disassembler, or hex dump program, allowing users to interactively explore memory elements (assembly, ASCII hex) or jump and selectively execute COM, EXE, and various file types. It also has many types of subcommands that are used to access specific CD sectors, I / O ports, and memory locations.
Presentation
Traditionally, almost all computers and systems have an extensive maintenance function that is used to determine if the latest version of a program is working properly. [Link Required] DEBUG was originally developed by Tim Paterson for. written to do this in 86-DOS. When PateSon started at Microsoft in the early 1980s and brought the software with him. DEBUG was part of DOS 1. And 00 seems to have been in MS-DOS / PC-DOS and some Microsoft Windows replicas. The executable was originally named DEBUG.COM, but was renamed DEBUG.EXE in DOS 5.0. [2]
Windows XP and later have integrated DEBUG for MS-DOS as a subsystem for MS-DOS compatibility. 16-bit DOS commands are not considered available on 64-bit versions of Windows. [3]
- Only 8086.Can opcodes are supported in Build / Disassemble mode
- Perfect access to 16-bit registers, never 32-bit extension registers.
- If the “N” subcommand is used to recall files, the file name is stored from offset DS: 5D to DS: 67 (segment program prefix file control block area). It is important that the program only stores data in FAT. use the 8.3 filename format.
Extended DEBUG packages contain the DEBUG command in DOS Novelty 7, OpenDOS 7.01 and DR-DOS 7.02 and later, reimplementation of the previous SID / SID86 symbolic instruction from Digital Research, [4] Debugger is supplied with previous versions and DR DOS. [5] [6] [7] This is almost certainly full compatibility with the DEBUG MS-DOS / PCÂ DOS command fishing line syntax, but offers many updates including support for 16-bit and 32-bit opcodes up to the Pentium, extended path (/ X) with dozens of additional command submodes, significantly improved command line syntax for custom macros, and symbolic debugging functions via named registers, loaded symbol tables, basic math and transformation routines, and a comment disassembler. [8] [7] Some versions also used DPMS to act as a protected mode debugger in “h hidden mode”. 32 bits [9]
There is also a version of the “DEBUGX” clone that supports 32-bit DPMI programs. [11] Andreas “Japheth” Grech, author of the HX-Extender, has expanded the DEBUG version 0.98 times for. While developing 1.25, former PC-DOS developer Vernon S. Brooks added version 1.26 to 1.32. [12]
Syntax
DEBUG [[drive:] [path] filename [settings]]
If DEBUG is started without separate parameters,the DEBUG prompt displays “-“. The user can then enter one of several one- or two-letter subcommands, such as “A” to switch to assembler mode, “D” to perform a hex dump, “T” to monitor, and “U” to disassemble the program for the amount of memory. [13] DEBUG can also be used as a “DEBUG script” interpreter with the following syntax. <
Debug file name
A script file can consist of DEBUG subcommands and assembly language instructions. [14] This method can be used to create files from batch files or to edit files in binary format. [2]
Use For Purposes Other Than Debugging
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The debug utility is useful for managing binaries in an environment where only DOS is installed and nothing else is installed. It can also be used to modify hard disk sectors, which is a method to remove boot sector viruses.
Accessibility
Although the technical documentation for the DEBUG command was usually removed with the release of MS / DOS 3.3, this command is usedIt was used in the standard distribution, unlike EXE2BIN. [15] [16]
DEBUGGING ON OTHER SYSTEMS
Intel ISIS-II operating systems [17] and iRMX 86, [18] DEC TOPS-10 [19] and TOPS -20, [20] THEOS / OASIS, [21] Zilog Z80-RIO, [22] Stratus OpenVOS, [23 ] PC-MOS, [24] and AROS [25] also issue the DEBUG command.
See Also
- List of DOS Commands
- DDT (CP / M Command) (Dynamic Debugging Method)
- SID (Symbolic Instruction Debugger)
- SYMDEB
- View Code
- Turbo Debugger
- SoftICE
Links
External Links
- Debugging | Microsoft Docs
- The open source DEBUG implementation included in MS-DOS v2.0
- ^ According to the Microsoft Macro Assembler reference, inline assembly is not supported for x64. a
- ^ b Sedori, Daniel B. DEBUG Guide. Date of treatment 11/29/2014.
- ^ MS-DOS Subsystem Commands
- ^ SID-86 CP / M-86 User’s Guide for (2nd Edition). Digital research. August 1982 [March 1982]. SID86UG.WS4. Archived in the original on October 20, 2019 Received February 6, 2020 [1] (Note.Revised version of the physical version of Emmanuel Roche with added Q, SR, Z and commands. This guide is only for the cp / m-86 version, but the DR-DOS version is similar.)
- ^ Born, Gunther (1993). DOS 5 Tuning (in (1st ed. German).). Market and technology. ISBN 3-87791-495-0 . (NB. Has several pages on DEBUG ms-dos.EXE and the SID.EXE symbolic instruction debugger in DR DOS 5.0 / 6.0.)
- ^ Paul, Mathias R. (May 24, 1997) [1991]. DRDOSTIP.TXT – Tips and Tricks for DR DOS 3.41 – 5.0. MPDOSTIP (in German) (47th ed.). Archived November 7, 2016. Retrieved November 7, 2016 (Note: Some have information about the symbolic instruction debugger (SID86.EXE in DR DOS 3.41 and additionally SID.EXE in DR DOS 5.0 / 6.0), the predecessor of DR -DOS, DEBUG.EXE .)
- ^ a Paul, b Matthias R. (2002-01-09). “SID86”. Newsgroup: Comp.os.cpm. Retrieved April 8, 2018
[…] Since DR-DOS 7.03 DEBUG is generally still based on the old SID86.EXE, I suggest running DEBUG 1.51 and using the help system extended with ?? any debug prompt. This gives you 8 screens with instructions for using the syntax functions. Some of these features have also been protected byolder issues. [â € ¦]
- ^ Paul, Mathias R. (1997-07-30). “Chapter II.5. General: Undocumented DEBUG Features ”[Undocumented DEBUG Features]. NWDOS-TIPs – Tips and tricks for Novell and DOS 7 that provide details, bugs, and undocumented workarounds. MPDOSTIP. Version 157 (in German) (3rd ed.). Archived September 10, 2017. Retrieved September 6, 2014 (NB. NWDOSTIP.TXT is a descriptive work on DOS Novell 7 and OpenDOS 7.01 that describes various undocumented features and internals. This is part of an even larger collection MPDOSTIP.ZIP. Moved until 2001, at that time many of them were distributed via sites. The links provided are from the old version converted to HTML, which is linked to the NWDOSTIP .TXT file.)
- ^ Paul, Matt
Speed up your computer's performance now with this simple download.To enter redebug press, you must type “Q” and then press Enter. To start the debug routine, you must type “G” and press Enter.
To invoke the debugger from the UNIX shell, enter the debugger alias followed by the phone number of the object program being executed in the debug direction. The debugger prompts you to enter one of the inexpensive commands listed below. To start a new program in the debugger, use this special command gdb r (un).
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