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TI 83+ and TI 84+ Port Documentation

Started by Starbuck Johnson, December 26, 2015, 08:40:19 PM

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Starbuck Johnson

I've got an absurd amount of time to devote to reverse engineering these calculators. But I've been having a great deal of difficulty discovering how the knowledge about IO ports was gained in the first place. As my eventual project is to completely reverse engineer the whole OS knowing the ins and outs of every port used is a huge requirement. How was the detailed usage documentation created? If anyone knows I'd love their help!
  • Calculators owned: HP50g,TI83+

TIfanx1999

Brandon W would pretty much be the person to ask. His website is here: http://brandonw.net/ . There is also a good amount of info here: http://wikiti.brandonw.net/index.php?title=WikiTI_Home . He also tends to idle in #Omnimaga if you want to catch him on IRC. I don't think that he's registered here or if he frequents this IRC channel.

Dream of Omnimaga

BrandonW is actually idle in #CodeWalrus but he indeed doesn't have a forum account. I don't know if he is very active, though. Perhaps he checks #TI more often.
  • Calculators owned: TI-82 Advanced Edition Python TI-84+ TI-84+CSE TI-84+CE TI-84+CEP TI-86 TI-89T cfx-9940GT fx-7400G+ fx 1.0+ fx-9750G+ fx-9860G fx-CG10 HP 49g+ HP 39g+ HP 39gs (bricked) HP 39gII HP Prime G1 HP Prime G2 Sharp EL-9600C
  • Consoles, mobile devices and vintage computers owned: Huawei P30 Lite, Moto G 5G, Nintendo 64 (broken), Playstation, Wii U

novenary

Official TI docs, OS disassrmblies and thorough testing by hand were most likely used for that.

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