IBM PCjr Cartridges Explored

Come explore how the hardware and software for IBM PCjr catridges works. Here I go over the details of how the hardware works, and how to write your own cartridge programs and burn them to a cartridge for use in the PCjr. Brutman PCjr Page and Forums: https://www.brutman.com/PCjr/pcjr.html IBM PCjr Forums: https://www.pcjribm.com/PCJRIBM/index... Imperator Banana MASM configuration (with example for setting up PIC instead of using int 0x18 setup): https://github.com/ImperatorBanana/PC... Trixter's channel (‪@TheOldskoolPC‬ )    / theoldskoolpc   Programming Boot Sector Games, Oscar Toledo G.: https://nanochess.org/store.html Also available any many book retailers. Oscar Toledo G. F-Bird: https://github.com/nanochess/fbird HxD - Freeware Hex Editor: https://mh-nexus.de/en/hxd/ My GitHub: https://github.com/guldmuddypaws My updated NASM shell cartridge program: https://github.com/guldmuddypaws/PCjr... My CRC calculation program: https://github.com/guldmuddypaws/PCjr... PCjr Hardware resources: Raphnet: https://www.raphnet.net/electronique/... Texelec: https://texelec.com/ PCjr cartridge boards: Raphnet cartriges: https://www.raphnet-tech.com/products... Intro Music Clip from "Crush at Maracas Bar" Rolemusic Attribution 4.0 International License https://freemusicarchive.org/music/Ro... 00:00 Introduction 01:32 How the Cartridges Work 15:00 Disassembly of Example Cartridges 23:48 Making Your Own Cartridges - Software 33:23 Making Your Own Cartridges - Hardware 38:38 Running F-bird and conclusions 39:47 Credits