videos
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retro assembly videos
Bit by Bit - Exploring Low-Level Programming on the Apple IIe
This is the first episode of my bit by bit series - where I walk though the pages of Assembly Lines: The Complete Book by Roger Wagner and edited by Chris Torrence.
In this series, I share what I learn as I work through the material. I picked the IIe as the platform for the exploration because it's... well, it's fun. As soon as the computer boots you can do basic sound and graphics and machine language coding. With an Apple DOS disk, you can do integer basic and use the mini-assembler. With the Merlin disk, you have the full toolkit for doing low-level programming. It's amazing and fun.
Here's a link to the playlist:
https://www.youtube.com/playlist?list=PL_z8XUfqFSXHvJ5E5r80ZmMN7LRcCI0Zx
Currently, four episodes are up. I plan to post pretty much as soon as I finish digesting a chapter of the book.
Enjoy!
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unix research-unix opensimh videos
Building and Installing OpenSIMH from Source
A video walking the user through the process of obtaining, building and installing OpenSIMH from source. This is a prerequisite for installing Research Unix Version 6 or 7.
Enjoy!
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unix research-unix v7 videos
Installing and Using Research Unix Version 7 on the OpenSIMH PDP-11 Emulator
A video walking the user through the process of installing and using Research Unix Version 7 on the Open SIMH PDP-11/45 and PDP-11/70 emulators.
Enjoy!
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retro-computing pal-1 videos
Programming the PAL-1 Using the Keypad
A video walking the user through the process of programming the PAL-1 using the keypad. It begins with a short overview of the PAL-1, then covers prelims like where the START program resides in ROM, how to set up the IRQ and NMI vectors, how to view the Accumulator contents, how to enter a program, where it should go, and how to run it normally and single step.
Enjoy!
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electronics theory videos
Ohm's Law Power Wheel Made Simple and Rational
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unix freebsd videos
freebsd 2021 ep 2 logging in and out
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unix freebsd videos
freebsd 2021 ep 1 installation
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unix freebsd videos
freebsd 2020 ep 7 all about manpages
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unix freebsd videos
freebsd 2020 ep 6 system programming who command
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unix freebsd videos
freebsd 2020 ep 5 playing with zfs and zfs snapshots