betula

A live-coding logic simulation with a text user interface

go build -gcflags="all=-N -l" && ./betula clock.betula ; stty sane ; tset

Screencast videos here: and here:

Cell Value types

#
*
+
-
.
/
<
=
>
@
B
C
D
E
J
L
M
N
R
S
Z
\\
^
_
|
~

Special Keystrokes

• • add a value flag and move left
• add a horizontal line and move right
• BACKSPACE Delete the cell to the left of the cursor
• CTRL-C Copy the selected region to a buffer
• CTRL-Q Quit, no save
• CTRL-S, Save file
• CTRL-V Paste the buffer at cursor position
• CTRL-X Cut the selected region to the buffer
• DEL Delete selection or cell at cursor position
• F4 Save to file
• F5 Cycle to the next value at the cursor
• UP, DOWN, LEFT and RIGHT arrow keys move the cursor
• | add a vertical line and move down

Other keys add a value to the cell at the cursor.

Screenshots

Logic Gates

Relay Circuits

Wolffia Relay Computer

Development

Build for IDE attach to process debugger

go build -gcflags="all=-N -l"