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1 of 2 files iguana

    Download blastersound_bbs4.zip

    Size 46 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 Jun 28, 2020 11:32:23 AM
     MD5 checksum 69abc2a71ffcab9b61e34630d3ccefbd
        Mime type

1993 August 19

Emulating INTRO.EXE in DOSee.

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    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.

8 items in the archive
  • BLASINTR.ZIP
  • BLASTER2.PCX
  • FONT.INC
  • INTRO.ASM
  • INTRO.EXE
  • INTRO.NFO
  • RAND.INC
  • RANDGEN.BAS
[+] Configuration Copy text
┌─────────────────────────────────────────────────────────────────────────────┐ │ NFO file for the BLASINTR intro version 0.0 - August 19th, 1993 │ └─────────────────────────────────────────────────────────────────────────────┘ Hi everyone! What you have here is the little intro I coded upon request by Miguel, sysop of the world-famous BBS Blastersound. I did this in about 3 days, so don't expect the best intro ever. Odds are that Miguel didn't like it (he wanted CDs flying and morphing into characters to form the banners!), so I've decided to place this code in the public domain, so that anybody can see the effect and study the ASM code to produce it. So here you have the original intro, with an info file (this!) to tell you some things. There are two things I would study in this intro, the rest is bullshit. The first and most important is the Bresenham algorithm that drives the points. It is an original idea of the Arevalo bros, slightly retouched. The fact that makes it so amazing (at least to me) is that it uses a technique that achieves not having to jump, wich speeds it up in a 80x86, and not having to special-case lines of any kind: horizontal, vertical and pure diagonal lines are handled by the very same code as the rest, that is completely bizarre to see on a PC. And the other thing is a lot least interesting, but quite useful. I learnt it from an introduction to starfields, by Draeden/VLA. It is a kind of random numbers that are really shuffled numbers. Here, I use it to choose the X coordinate of the points upon their creation. The result is nice, isn't it? So here you have. Do whatever you want with this font (it's PD, remember?), but it would not be very nice to change just the text and use it for anything. You know what courtesy is, I expect. The source code is here so that you learn the techniques, mainly to spread the not-jumping-Bres by the Arevalo brothers, of which I think it's, after the wheel, one of the great inventions of human beings :-) So, you can see I got an alias, and that I've joined the great guys at Iguana. I'll be working with them in the next demos :-) (Greetings to all o'them). Now, go! and start studying the source code! So long, and thanks for all the fish! Yann/Iguana AKA. Jon Beltran de Heredia
INTRO.NFO 80x40 Font
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