6809 BASIC computer is working!!

This time I made a very simple computer, consisting of 6809, well-done 8-bit processor. Actually this circuit is NOT my original but I found a very nice simple one at Grant's 6-bit 6809 computer. http://zx80.netai.net/grant/6809/Simple6809.html
The author does not allow any reproduction of his work on the net, and I already obtain the author's permission. This BASIC supporting floating point and related function (sin, cos, log. ....) and may be more useful and practical

Видео 6809 BASIC computer is working!! канала microwavemont