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Hackplement BOP_CMD function 0x08: "Launch external command". Still WIP. Explanation: Launching a command from command.com starts (under certain conditions not implemented there) "cmd.exe /c <the_command>" See https://groups.google.com/forum/#!topic/microsoft.public.win2000.cmdprompt.admin/n5KbegKJuE0 and http://technet.microsoft.com/en-us/library/cc723564.aspx#XSLTsection123121120120 subsection "CMD.EXE and COMMAND.COM": "Be aware that a command shell is not an MS-DOS command prompt, even though it shares the same icon. The Windows NT command shell is a full 32-bit Windows NT console application that resides in the CMD.EXE executable file. The MS-DOS command prompt is a 16-bit DOS application that resides in the COMMAND.COM executable file. Because COMMAND.COM is a 16-bit DOS executable, Windows NT executes this shell within a Windows NT virtual DOS machine (VDM). COMMAND.COM is supplied primarily for compatibility with MS-DOS. [...] This behavior reveals a quite subtle feature of Windows NT that is very important. The 16-bit MS-DOS shell (COMMAND.COM) that ships with Windows NT is specially designed for Windows NT. When a command is entered for execution by this shell, it does not actually execute it. Instead, it packages the command text and sends it to a 32-bit CMD.EXE command shell for execution. Because all commands are actually executed by CMD.EXE (the Windows NT command shell), the 16-bit shell inherits all the features and facilities of the full Windows NT shell." svn path=/branches/ntvdm/; revision=61290 |
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| .. | ||
| bios.c | ||
| bios.h | ||
| bop.c | ||
| bop.h | ||
| CMakeLists.txt | ||
| cmos.c | ||
| cmos.h | ||
| dos.c | ||
| dos.h | ||
| emulator.c | ||
| emulator.h | ||
| int32.c | ||
| int32.h | ||
| io.c | ||
| io.h | ||
| ntvdm.c | ||
| ntvdm.h | ||
| ntvdm.rc | ||
| ntvdm.spec | ||
| pic.c | ||
| pic.h | ||
| ps2.c | ||
| ps2.h | ||
| registers.c | ||
| registers.h | ||
| resource.h | ||
| rsrc.rc | ||
| speaker.c | ||
| speaker.h | ||
| timer.c | ||
| timer.h | ||
| vddsup.c | ||
| vddsup.h | ||
| vga.c | ||
| vga.h | ||