"3niti alpha simu1" is not a TRUE ternary computer, but more likely a stand-alone emulator of ternary computer based on binary microcontroller with TRUE ternary controls (15 three-state slide switches) and TRUE ternary visualization (15 three-state red-green LEDs).Sourcecode on SourceForge
Firmware TEST1 with sources - basic test (1st video)
Firmware TEST2 with sources - ternary clock (2nd video)
Firmware TEST3 with sources - emulator of ternary computer "3niti alpha"
shaos-p16.inc - useful macros for PIC16...
PDBLv1-2A2.inc - interface to the public domain bootloader PDBLv1
Public Domain Bootloader PDBLv1: HEX and C source
pdbl1hex.c - POSIX program to write HEX to the PIC16F870 through PDBLv1