TilEm is Gtk+ based emulator for the Z80 series of Texas Instruments graphing
calculators.  It currently features and supports:

  - All Z80 TI calculators (73, 76, 81, 82, 83/+/+SE, 84/+/+SE, 85, and 86)
    with all known ROM/OS versions, and attempts to reproduce the behavior
    of the original calculator hardware as faithfully as possible
  - Grabbing screenshots and recording GIFs (w/animations)
  - Built-in fully featured debugger
  - Virtual linking (through libticables)
  - Flash writing and erasing
  - Application and OS loading
  - Scripting using macros

WWW: http://lpg.ticalc.org/prj_tilem/