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EDIT: Current release 4/25/20 can be found here Hello! Long time no see! Due to the coronavirus outbreak my schedule has conveniently been freed up, and I've started to port VePseu to the TI-99/4a! Attached is the progress so far.. Kinda sad I couldn't make a raster engine like BUILD or DOOM, but floating/fixed point is kinda a pain to implement and multiplication/division isn't signed like addition/subtraction, so I didn't feel like tackling that beast just yet. Is it possible? more than likely. Would it be playable? Not so sure The cart limitations are very similar to the original VeSpeu, in that I aim to keep the whole shebang under 4k. The code I'm working with also uses the upper 4k of the cart for RAM (specifically, as a video buffer so we don't have to access the slow VDP to manage basic graphics, you'll see why). The basic render code is done and only takes up around 1520 bytes *including an uncompressed map. I also plan to implement basic RLE or possibly simplified gzip compression on the maps as well, i'll just need to see how that goes.. Here's the basic to-do list Optimize code so it can run at 60/50 fps Comment the code Code Java-based development tools for maps, sprites, etc. Implement basic compression Make walls prettier Increase map size from 16x16(maybe, depends how tight optimization has to be) Minimap(maybe, depends if I have trouble moving through maps. Colored walls are a thing now) I do tend to have a habit of not finishing projects, I'm aware of this, but I still plan on optimizing the code a little and commenting the code before releasing the source. The TI-99 does have a lot more room to implement a game compared to the Atari 2600, and I already have a few in mind The source will be licensed under the BSD 3-Clause Revised license, and I'd love to see a game or two made with it! Plan on the code/binary to be released within a day or two, but don't quote me on it...