This page is my current best guess at the semantics of Ward Cunningham's Biota language. I would welcome corrections. The source is in biota.js
Start by selecting a sample or Show your own program below. Even columns are code and data. Odd columns have control characters: '$' for the program counter, '#' for the data counter.
g$g
g r
t g
g g
1#. 3 #
. . c .
. . s . .
t g
t t
t . t . .$d
t s . .
b . b . s s . 1#2 3 4 5
. s s . b . b
. . s t
u d t t t t
t t
g t
. . s . .
. c . .
data counter direction
Press Run or Step to single step the program and see the counter positions update. The program counter is red and the data counter is green.
ms times