BionicINS8070 (Teensy 4.1)

by tgtakaoka 2 years ago

GNU/Linux ◆ xterm-256color ◆ bash 247 views

With Cortext-M7 600 MHz as the controller, INS8070 (SC/MP III) can run at about 4MHz clock. The controller can communicate with the MPU via software UART using F1 and SA at 4,800bps. It can load INS8073’s ROM (NSC Tiny Basic) and run the sample calendar.bas program.

Since INS8070 doesn’t have a signal which indicates the start of an instruction, the controller inspects every bus cycles and finds a start of instruction cycle by pattern matching.

https://github.com/tgtakaoka/RetroCyborg/tree/main/BionicINS8070

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You can download this recording in asciicast v2 format, as a .cast file.

Download

Replay in terminal

You can replay the downloaded recording in your terminal using the asciinema play command:

asciinema play 468530.cast

If you don't have asciinema CLI installed then see installation instructions.

Use with stand-alone player on your website

Download asciinema player from the releases page (you only need .js and .css file), then use it like this:

<!DOCTYPE html>
<html>
<head>
  <link rel="stylesheet" type="text/css" href="asciinema-player.css" />
</head>
<body>
  <div id="player"></div>
  <script src="asciinema-player.min.js"></script>
  <script>
    AsciinemaPlayer.create(
      '/assets/468530.cast',
      document.getElementById('player'),
      { cols: 88, rows: 60 }
    );
  </script>
</body>
</html>

See asciinema player quick-start guide for full usage instructions.

While this site doesn't provide GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility - agg.

Once you have it installed, generate a GIF with the following command:

agg https://asciinema.org/a/468530 demo.gif

Or, if you already downloaded the recording file:

agg demo.cast demo.gif

Check agg --help for all available options. You can change font family and size, select color theme, adjust speed and more.

See agg manual for full usage instructions.