π•­π–†π–˜π–˜π–•π–Žπ–˜π–™π–”π–‘ 🎬

π•­π–†π–˜π–˜π–•π–Žπ–˜π–™π–”π–‘ 🎬

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π•­π–†π–˜π–˜π–•π–Žπ–˜π–™π–”π–‘ 🎬 episodes

  • Turkey flyover

    A turkey was perched on a tree in my yard, about 40ft up, and then flies toward and over me once he decides it's time.

    0 min
  • #CommonLisp #conditionHandling and my common lisp #deepLearning condition #programming. Code actually runs

    Viz this toot of Kent's : https://climatejustice.social/@kentpitman/116032024902130479

    And these articles of mine,

    here is the one I actually stepped through in the video:
    https://screwlisp.small-web.org/conditions/lisp-symbolic-deep-learning-streamlined/

    This was the one which is why I sounded exhausted:

    https://screwlisp.small-web.org/fundamental/sharpsign-sharpsign-input-referential-ffnn-dl-data/

    0 min
  • Anonymous: Affetuoso

    This video was made in autumn 2021 during a warm-up session for a recital at the lovely Tenneberg castle in Waltershausen in Thuringia.

    I'm playing the second movement of an organ concerto by an anonymous composer from the 18th century on the 1721/2017 Thielemann organ.

    0 min
  • Sneaky ZX Spectrum Fault Hiding the TRUTH

    Special thanks to PCBWay for sponsoring this video. Check out their community projects page for open-source mods and fixes for your own retro hardware.

    https://www.pcbway.com/

    In this episode, I'm repairing a ZX Spectrum Issue 3B that came from a batch of computers previously worked on by another technician. While it initially seemed like a straightforward fix, it turned into a deep dive into the data bus.

    After ruling out the ULA and CPU, I discovered that the signals on data lines 5 and 6 weren't reaching a logic high. The culprit? Two partially failed RAM chips (IC20 and IC21) that were dragging the bus down. It’s a great example of why modern chip testers can’t always be trustedβ€”both chips passed several external tests but failed immediately when put to work in the actual machine.

    Key moments in this repair:

    • Initial Triage: Identifying previous "bodges" and a poor composite mod.
    • Power Rail Checks: Testing for shorts and verifying the voltage regulator.
    • Diagnostics: Using the Steam Card Pro to pin down IC11 as a failure point.
    • Advanced Troubleshooting: Using an oscilloscope to identify weak data line signals.
    • The Solution: Testing pull-up resistor values and replacing the faulty lower RAM.

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    About π•­π–†π–˜π–˜π–•π–Žπ–˜π–™π–”π–‘ 🎬

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    Who, What, How?The Outernational Music Syndicate.Established in 2010 as a pro-active reaction to everything that is broken in the music-industry. Basspistol is an endlessly evolving union for the…