Omnimaga > TI-Boy SE - Game Boy Emulator For TI-83+SE/84

TI-Boy CE Progress Thread

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calc84maniac:
Hey, so some of you already knew this, but I'm working on a TI-Boy iteration for the TI-84+ CE. Still Game Boy only and no Game Boy Color, at least for now, but I'm bringing in automatic colorization like when you play GB games on a real GBC.

Thanks to the extra RAM in this system I'm able to get all fancy with dynamic recompilation for the CPU and use caches to speed up graphics rendering, so the end result is an emulator that can actually hit fullspeed and 60 frames per second for some games, and fullspeed with frameskip for others. Not to mention, unlike previous versions of TI-Boy I'm implementing accurate cycle timing in the emulation, which is dramatically improving ROM compatibility.

I can get into more of the specifics of how it works under the hood in future posts, if you want to hear it. This thread could become a sort of development blog, I suppose.

As for remaining emulation features, I do want to implement Real Time Clock emulation for cartridges that support it, as well as basic emulation for the link port hardware that prevents games from freezing when attempting to start a transfer. There's also a bug in partial-frame sprite rendering that I need to address, and probably other things I haven't thought of yet.

On the user interface side, I still need to put in support for saving the current configuration (e.g. frameskip and palette settings), either on a global or per-game basis. Save states would be nice too, but I'm not sure if they need to be in the initial release.

At any rate, I've put up a preview video that you can view in glorious 60FPS :)

Eeems:
Well this is very exciting :D

Syrusse:
Amazing, I'm literally speechless !


Are you planning about a release ? (well, I'm gonna be honest I'm not really intersted by it because I don't have a 83/84 CE :p) but still if you're planning to do so, I guess I'll sell my TI84se xD

By the way, I'm curious, how do you make a rom compatible with the emulator ? Just as the ti84se way ?

Sorunome:
Wow, this is looking amazing!

TIfanx1999:
Ti-boy has always been a fascinating technical achievement to me. It should be a much more enjoyable experience with the increased power, resolution and color that the new model offes. I hope you'll continue to post about it here as you make progress. :)

*Edit* Just watched the video... Wow... Metroid runs super smoothly! :O There seems to be a diagonal line that crosses the screen every now and then. Any idea what's up with that? I know you said you aren't supporting Game boy Color yet, but what about DX games that run on both systems(the black cartridges). Will it be possible to have them in color? A few notable examples that come to mind are the Pokemon Gold and silver games, Zelda DX, and Dragon Warrior I&II.

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