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1 of 4 files the underground council

    Download BOBUGC1.ZIP

    Size 183 kB

  • This download is an executable MS-DOS program that will not run on a modern computer. It needs a DOS emulator such as DOSBox-X, Staging; or a virtualized MS-DOS or FreeDOS system.
    Browsers may flag this download as unwanted or malicious. If unsure, scan it with VirusTotal.
  • Last modified Oct 12, 1991 11:52:38 PM
     MD5 checksum 9ccbecc7c1c35b18c2f64765b75b7307
        Mime type Zip archive data

Emulating RUNME.BAT in DOSee.

Use these tabs to make adjustments to the emulation

If the emulation is taking too long to load, you can turn it off.


Reload DOSee to launch the DOS prompt

Applying changes will reload the page and reboot the emulator





Changes are not applied until the browser tab is reloaded





DOS programs need a keyboard for user input
Some common keys used in DOS programs

ENTER to select or continue
ESC to navigate back or exit
are often used to navigate menus


Emulation too slow?
Set the emulator to use maximum CPU speed

Emulation too fast?
Set the emulator to use the 8086 CPU configuration

DOSee pronounced dos/see, is our emulator used to run MS-DOS based software in your web browser.

MS-DOS (Microsoft DOS) was the primary operating system used by PCs during the 1980s to the early 1990s and is the precursor to Microsoft Windows.


DOSee is a slimmed down, modified port of The Emularity.

The Emularity is a multi-platform JavaScript emulator that supports the running of software for legacy computer platforms in a web browser. It is the same platform that's running emulation on the Internet Archive.

EM-DOSBox is a discontinued, high-performance JavaScript port of DOSBox that is applied by The Emularity for its emulation of the MS-DOS platform.

DOSee uses BrowserFS ZipFS and ZipFS Extras to simulate zip file archives as hard disks within EM-DOSBox.

DOSBox is the most popular MS-DOS emulator in use today and is frequently used by commercial game publishers to run games from their back-catalogues on modern computers.


DOSee, built on The Emularity, EM-DOSBox and DOSBox. Capture screenshot and save function built on canvas-toBlob.js.

19 items in the archive
  • ADLIBSFX
  • INSTALL.BAT
  • INSTALL4.BAT
  • RUNME.BAT
  • BOB.EXE
  • GMAT.GOB
  • GOBS.GOB
  • READ.ME
  • AIR4.PAC
  • AIR4S.PAC
  • AIRFX1.PAC
  • AIRFX1S.PAC
  • INTRO.PAC
  • SHIPV1.PAC
  • SHIPV1S.PAC
  • WTR2.PAC
  • WTR2S.PAC
  • WTRFX1S.PAC
  • SFX.SFX
[+] Configuration Copy text
----------- Cracked by Black Star and Sam Brown Many thanks to Warlord and Malignant Growth (SysOps of Fungus Land) for supplying us this game! Well, this one LOOKED difficult, but once we got started in it, it was pretty straighforward. The game requires that you "tune" your radio to a specific three digit number -- and each digit can be red, white, or blue. Pretty nasty doc check. Anyway, I loaded up the BOB.EXE file into EMS (using Turbo Debugger 386) and executed it. I have TD set so the Alt-SysRq key is an unconditional break at the current CS:IP. I executed until I hit the doc check window and Alt-SysRq'd. Then, I traced through the routines until I found a RET or RETF. Actually, this is intuitive -- a combination of paging down the through the code and tracing. When you break, you're usually in a mouse/keyboard/video routine, very low level, and have to trace up to the calling routine. This one required 12 traces to get to what looked like a nice high level. Anyway, you write all these addresses down where the calls originate. Then step over the calls -- see what each one does. Find the one that pulls up the doc check window and look at what memory bytes it changes in the global data area (usually DS). Then check for compares against that address and reverse the subsequent branch -- eg, JNE to JE. Killed the routine that pulls up the window and played it. It still says "Tune your radio!" but it no longer pulls up the window or restricts any flying function. Hmm... Sam checked and found another flag and showed me the instruction to reverse. Tryed it and it worked perfectly. Modified some of the text in the program to brag a bit, tested the thing for about 3-4 hours, and wrote this text file. Black Star
READ.ME 80x37 Font
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