DGEngine

A "modern" DOS Game Engine written in C that is fast, flexiable and has clean API.

Screen shots

More screenshots in Screen Shots Directory

Feature List

• Runs on most DOS versions and emulators. (see Compatiablity below).
• Compiles cleanly in most DOS compilers. (see Compatiablity below).
• No assembly required, easy to use C API that abstracts BIOS/System calls, etc.
• mode 13h: VGA 320x200 @ 256 colors (ie, Classic "Chunky Graphics")
• Rendering systems: Direct BIOS writes, Memory Map and Double Buffer. Can easily create "retro" effects using BIOS/MEMMAP or get smooth graphics from DOUBLEBUFF.
• Primative shapes (points, lines, rectangles, polys, circles and fill/color modes).
• FPS/Delta counters.
• PC Speaker sounds.
• Text mode fonts for debugging.

More features to come! Please see todo.txt for details.

Compatiablity

Operating Systems:

• MS DOS
• FreeDOS
• DOS Box
• Probably many others!

Compilers:

• DJGpp 6.3.0 (cross compile and native)
• OpenWatcom 1.9 (cross compile and native)

CPUs

• 486
• Pentium and above!
• maybe others!

Usage

Please see wiki pages for details.

Credits

Lots of code is taken from Dave Brackken's awesome VGA tutorial . This game engine won't have been possiable without this great resource.

Logo font is from DOS VGA 437

License

Rendering Code

A lot of the rendering code is taken from Dave Breckeen. His license is as follows:

• From source files: "Please feel free to copy this source code."
• From private email: "Feel free to do whatever you want with it, no need for credit. Consider it public domain."
• His tutorials are marked as CC BY-SA 2.5
• Please check out this site at : http://www.brackeen.com/vga/

DOS/32 Advanced

"This product uses DOS/32 Advanced DOS Extender technology."

libkb

This product uses libkb Version 1.01, 03 Jun 1998. Please see kb.h for more details. (A very small modification was made to kb.h and _handler.h to get OpenWatcom 1.9 to compile.)

Runtimes

Please see runtimes directory for 3rd party licenses for DJGPP and OpenWatcom (DOS32/A).

DOSEngine license :

• MIT License (see license file)
• We ask that you include "Made with DGEngine" in splash screen or credits, but this is 100% optional and NOT required.

(TLDR: do whatever you want with it, no warranty)