Tag Archives: programming

Exploring the ZIP File Format in JavaScript

Posted on 2019/04/13 by thiscouldbebetter

The JavaScript program below, when run, prompts the user to upload a file in .ZIP format. Then the file is parsed and its internal structure is displayed as text in the JSON format. Note that this code does not actually … Continue reading →

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Another RPG Combat Engine in JavaScript

Posted on 2019/03/02 by thiscouldbebetter

The code below implements a rudimentary turn-based combat engine for a Japanese-style role-playing game in JavaScript. I have partially implemented a similar engine in a previous post, but I recently tried to update it and found it very difficult. I … Continue reading →

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A Text-Based SVG Editor in JavaScript

Posted on 2019/02/27 by thiscouldbebetter

The JavaScript program below, when run, will present an interface that allows a user to edit a vector image in SVG format as text, and view the changes to the rendered image as they are made. To see it in … Continue reading →

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An HTTP Echo Server in C# Using HttpListener

Posted on 2018/12/12 by thiscouldbebetter

The C# code below implements a rudimentary HTTP server that simply echoes whatever is sent to it back to the client.

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A Function Argument Type Validator in JavaScript

Posted on 2018/10/07 by thiscouldbebetter

The JavaScript code below implements simple type checking on function arguments. To see it in action, copy it into an .html file and open that file in a web browser that runs JavaScript, with the debugging console open so the … Continue reading →

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An x86-16 Disassembler in JavaScript

Posted on 2018/09/30 by thiscouldbebetter

Below is a partially implemented disassembler for Intel’s x86-16 instruction set, intended to assist in the investigation of COM executables from the era of Microsoft DOS. It needs a lot more work. It can’t truly disassemble anything yet, or rather … Continue reading →

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A MOD File Viewer in JavaScript

Posted on 2018/09/01 by thiscouldbebetter

The JavaScript code below, when run, allows the user to specify a file in the .MOD music tracker format, parses it, and displays the contents as JSON (in a rather inconvenient way). To see it in action, copy it into … Continue reading →

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An Orbital Maneuver Simulator in JavaScript

Posted on 2018/08/18 by thiscouldbebetter

Below is a prototype of a simple orbital maneuver simulator in JavaScript. To see the code in action, copy it into an .html file and open that file in a web browser that runs JavaScript. Or, for an online version, … Continue reading →

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A Music Notation Renderer In JavaScript

Posted on 2018/03/10 by thiscouldbebetter

The JavaScript below prompts the user for a musical composition in JavaScript format, and then renders that composition in musical notation. To see it in action, copy the code into an .html file and open that file in a web … Continue reading →

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A MIDI Viewer in JavaScript

Posted on 2018/02/18 by thiscouldbebetter

The JavaScript program below prompts for a MIDI file, loads that file, parses it into text, and displays that text. It also allows the file to be re-saved, though, since the file can’t be edited, re-saving is solely a way … Continue reading →

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