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Music player   by Death Ray

1 of 1 file death ray

    Download SECURITY.EXE

    Size 18 k
  • Last modified Jul 6, 2012 1:57:43 AM
     MD5 checksum 436e56843d0b4772a1932fd8d6bc6808
        Mime type MS-DOS executable, MZ for MS-DOS Self-extracting PKZIP archive

1994 December 16

Death Ray

Emulating SECURITY.EXE 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 386 CPU configuration

Experiencing graphic or animation glitches?
Set the emulator to use VGA only graphics configuration

Need to turn off the audio?
Disable sound card support

Have no audio?
  1. Try Gravis Ultrasound hardware
  2. The song or audio file maybe missing from the program

  3. Audio may not be supported
    Unlike other systems of the era, audio for DOS was unfortunately complicated for both programmers and end users alike. A lot of early scene software didn't bother including it. While those that did often didn't test it on all the hardware they supposedly supported.

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.