So what we know is that our DOS program is accessing it at least via port 0x378. Back to DOS days, these dongles were connected to LPT printer port. I have a very old DOS program that requires access to very old piece of hardware, such as copy-protection dongle, and we need to get rid of it. What we got is relatively big text file (can be as big as couple of gigabytes), which can be easily parsed with grep, sed, AWK or whatever you like. Type "LOG 100000": it means to run program and log 100,000 executed instructions.
#DOSBOX DEBUGGER SOFTWARE#
Load your old DOS software by typing "DEBUG program.exe" in command line, and debugger will be activated.
#DOSBOX DEBUGGER FULL#
One interesting feature of DosBox compiled with "heavydebug" option is built-in disassembler, not very powerful, but it can log every instruction it executes with full registers' states. Learn more about WinDbg and other debuggers in Debugging Tools for Windows (WinDbg, KD, CDB, NTSD).Dennis Yurichev: 2: Using debugging features of DosBox 2: Using debugging features of DosBoxĭosBox is DOS emulator, one can say, it is a kind of virtual machine, mainly used for retrocomputing and retrogaming. In the installation wizard of the SDK, select Debugging Tools for Windows, and deselect all other components. To download the debugger tools for previous versions of Windows, you need to download the Windows SDK for the version you are debugging from the Looking for the debugging tools for earlier versions of Windows?
If the Windows SDK is already installed, open Settings, navigate to Apps & features, select Windows Software Development Kit, and then select Modify to change the installation to add Debugging Tools for Windows. In the SDK installation wizard, select Debugging Tools for Windows, and deselect all other components.Īdding the Debugging Tools for Windows if the SDK is already installed
#DOSBOX DEBUGGER INSTALL#
If you just need the Debugging Tools for Windows, and not the Windows Driver Kit (WDK) for Windows, you can install the debugging tools as a standalone component from the Windows Software Development Kit (SDK). Use the download link on the Windows SDK page, as the Debugging Tools for Windows are not available as part of Visual Studio. Get Debugging Tools for Windows (WinDbg) from the SDK: Windows SDK. Learn more about installation and configuration in WinDbg Preview - Installation. WinDbg Preview is using the same underlying engine as WinDbg today, so all the commands, extensions, and workflows still work as they did before.ĭownload WinDbg Preview from the Microsoft Store: WinDbg Preview. It is built with the extensible object-orientated debugger data model front and center. WinDbg Preview is a new version of WinDbg with more modern visuals, faster windows, and a full-fledged scripting experience. To get started with Windows debugging, see Getting Started with Windows Debugging.
#DOSBOX DEBUGGER CODE#
The Windows Debugger (WinDbg) can be used to debug kernel-mode and user-mode code, analyze crash dumps, and examine the CPU registers while the code executes.
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