Floppy Disk Controller Repair and Diagnostics ROM for the Amstrad CPC
Support Noel's Retro Lab on Patreon: / noelsretrolab Today I tackle an odd repair that hangs the Amstrad when I try to do any disk command. Along the way, I write a ROM check program that balloons into the start of a diagnostics ROM I always wanted to have. Chapters: 00:00 Intro 01:21 ROM and diagnostics 03:28 Writing a ROM test 04:59 Floppy disk controller 09:28 Gathering data 14:47 Control signals 20:15 Final test 21:59 Lower RAM tests 26:21 Conclusion Amstrad Diagnostics ROM https://github.com/llopis/amstrad-dia... More awesome music by McKlain: https://www.mcklain.com You can also support Noel's Retro Lab on YouTube by joining this channel: / @noelsretrolab Connect with Noel's Retro Lab: Discord ➤ / discord Facebook ➤ / noelsretrolab Twitter ➤ / noelsretrolab Instagram ➤ / noelsretrolab Mailing list ➤ https://noelsretrolab.com #amstrad #floppydiskcontroller #diagnosticsROM
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