Atari Game Tools: Atari STE game engine - Nemesis Mockup
The AGT engine has been created to allow programmers to make games on the STE platform (8MHz 68000, 1989) without having to begin from scratch. It makes content creation a lot easier, so you can focus on the gameplay and visuals, spending less time in the debugger! It provides lots of common functionality - scrolling, sprites, collisions, AI, level & game data importing and the rest.
It also performs at least as well as - or better than - many commercial game engines for similar genres released during the lifespan of the STE (i.e. the early 1990's), using the latest coding techniques.
This demo is a mix-n-match using graphics assets from the Gradius (Nemesis) series and a YM2149 track generated for AGT's built-in player. The track is 'Slash Fight' from Salamander/LifeForce, the second game in the series.
The purpose of the demo is to show what can be done using AGT with very little program code, in a relatively short time.
Title screen test uses Photochrome v6 display routines to approximate true colour on STE.
The demo is fixed at 50hz framerate.