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Aliases
Rudiger
b.nagel (at) usa (dot) net
Site URL
http://www.icestorm.net/aurora/
Ticalc.org URL
http://www.ticalc.org/archives/files/authors/2/228.html
Location
Ohio, US
Years Active
1997-1999
Affiliations
TI-Files
Aurora Technologies
Bill Nagel was one of the pioneers of assembly language for the TI graphing calculators. In particular, Bill Nagel was the first person to release assembly games for the TI-83 and TI-86 graphing calculators, as well as the first assembly shell for the TI-83 and TI-86 (AShell).
Significance

Bill Nagel had his own one-person programming group called Aurora Technologies (URL: http://www.icestorm.net/aurora/) from 1997 to 1999, where he released several high-quality assembly games. In fact, he was the first person to release assembly games for the TI-83 and TI-86, as well as releasing the first assembly shell (Ashell and Aurora Shell Enhanced) for the TI-83 and TI-86 calculators. Some of his most notable games include Super Mario 86 and Penguins (the first scrolling platform game on a TI graphing calculator).
He was also a staff member on TI-Files, where he wrote the assembly columns along with Ahmed El-Helw.
Contributions
- Ashell
- Penguins
- Super Mario 86
- Nibbles
- Pong
- Turbo Breakout
Site URLs
- http://www.icestorm.net/aurora/
History

Aurora Technologies was founded in Fall 1997 by Bill Nagel.