I actually had *TWO* T/S-1000’s. Neither one worked. Ended up with a TI-99/4A.
Had an original TRS-80 I got around Christmas of ‘79.
I have a TI-85+ and recently found out it has a Z-80 core.
Between this site, here:
http://www.sealiesoftware.com/ti-asm/
...and this site, here:
http://www.ticalc.org/
...I’m intrigued at the possibilities.