Programming a DOS Twitch Bot: Part 3
Channel: Jookia
Date: 14/10/2021

After solving the serial port problem off stream, I spend an hour making an interrupt handler then the rest of the stream debugging it and descending in to madness. Find out what I did wrong in this riveting stream.

This video is intended to be family friendly.
Streamed on 2019-06-02.

See more at https://twitch.tv/jookia2

Music Albums:

Lucy Lefty - staRpauSe
https://starpause.bandcamp.com/album/lucy-lefty
Copyright Jul 14 2016 staRpauSe, hizgi
Licensed CC-BY 3.0

WeeklyBeats - 2018 - staRpauSe
https://starpause.bandcamp.com/album/weeklybeats-2018
Copyright Jan 1 staRpauSe
Licensed CC-BY 3.0

All original content in the video is licensed CC0 by me.

Timestamps:
00:00:00 - Stream start
00:02:58 - Reviewing serial ports
00:07:11 - Making a loopback cable in DOSBox
00:13:40 - Testing my serial program
00:14:30 - Explaining the double 0xff parmrk issue
00:16:20 - Debugging my serial program
00:20:28 - Making a test interrupt program
00:44:00 - Debugging the test interrupt program
00:50:05 - Intel Itanium aside rant
00:56:10 - Continuing debugging
01:28:50 - Writing and debugging a serial interrupt handler
01:52:50 - Debugging the serial interrupt
03:12:00 - Giving up and reading source code
03:29:20 - Realization and deep regret
03:38:40 - Stream end, encouraging speech