If you like ZBasic, why
If you like ZBasic, why don’t you run it on a Propeller?
Sinclair ZX Spectrum BASIC by Baggers
http://forums.parallax.com/showthread.php?p=905261
…in the version I put up last, on the file selection menu, you just press ‘B’ it will perform a cold start on the ZX Spectrum, and you can write you’re own basic programs, there is yet no way to save them though, I will be working on that.
Sinclair ZX81 BASIC by Baggers
http://forums.parallax.com/showthread.php?p=809630
"Also, you can actually use Sinclair ZX81 BASIC, using the Spectrum emulator, which then runs a ZX81 emulator."
http://humanoidolabs.blogspot.com/2012/03/ultimate-list-of-big-brain-languages.html