Break Into Program

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37 Posts
Software developer & electronics dabbler Restoring & programming vintage computers from Acorn Atom to ZX81.
Twitterhttps://twitter.com/BreakIntoProg
Bloghttp://www.breakintoprogram.co.uk
Githubhttps://github.com/breakintoprogram
YouTubehttps://www.youtube.com/BreakIntoProgram
Break Into ProgramFeb 8, 2023
Bought a Tatung Einstein last March, and only just got around to firing it up. It was bought with the intention of transferring a box of disks given to me by Tim Follin that contain the source files for some of his SID and AY chip music...
Show threadBreak Into ProgramFeb 8, 2023
Thankfully it worked first time, and I was able to read one of the disks. I was half-expecting to do a 3" drive service.
Show threadBreak Into ProgramFeb 8, 2023
I mean, I know I tweet a lot, but not 2,400! Sigh.
https://help.twitter.com/en/rules-and-policies/twitter-limits#:~:text=Current%20Twitter%20limits&text=Direct%20Messages%20(daily)%3A%20The,limits%20for%20semi%2Dhourly%20intervals.
Understanding Twitter limits | Twitter Help

Learn about account limits for things like API, updates, messages, and following, and find out why limits are used.

Break Into ProgramFeb 8, 2023
What the heck? Currently unable to send tweets from any of my accounts.
Break Into ProgramFeb 3, 2023

One of my biggest regrets is the decision 30 years ago to give away all my programming reference books, assuming I'd never need/want them again. I've been looking out for this one for a couple of years now: it's like the proverbial hen's teeth. Whilst it's not as influential as the seminal "Programming the Z80" (Rodney Zaks), it is the book I could afford as a 15-year old, and served me well for a few years, developing games on the ZX Spectrum and Amstrad CPC.

Anyway, was checking on the progress of an order on Amazon and threw up a search and there was a copy for sale on World of Books (Amazon Marketplace) for £3.20. Kerching!

So I'll own the holy trinity of books that got me into assembly language programming:

- Mastering Machine code on the ZX80/81 by Toni Baker
- The Complete Spectrum ROM disassembly by Frank O'Hara and Ian Logan
- That

I'm doing my happy dance now.

Break Into ProgramJan 27, 2023

I've updated my agon-projects repo to include precompiled binaries for the disassembler and memdump utilities.

Enjoy!
https://github.com/breakintoprogram/agon-projects

GitHub - breakintoprogram/agon-projects: Official AGON QUARK Firmware: Projects

Official AGON QUARK Firmware: Projects. Contribute to breakintoprogram/agon-projects development by creating an account on GitHub.

GitHub
Show threadBreak Into ProgramJan 18, 2023
Bit of a mind bender trying to work out how the extra instructions fit in the standard Z80 opcode map; here's my scribbled notes for the block instructions.
Break Into ProgramJan 18, 2023
Spent the last few evenings working on my Agon eZ80 disassembler with my coding buddy. It's almost there now; can decode all Z80 and eZ80 instructions. Just missing the extra eZ80 addressing mode modifiers.
Break Into ProgramJan 18, 2023
The new Northwest Computer Museum will be opening its doors for the first time on the 28th January - booking details here. I'm not affiliated, but am thinking about going myself.
https://www.eventbrite.com/e/north-west-computer-museum-soft-opening-tickets-515226936637?aff=eand&fbclid=IwAR3zfvwyhlMdJzkL9Sz1F3wgR_2zbOmIc3rtuOiVXrNOO73Jyg-0DY3Ry8c
North West Computer Museum - Soft Opening

Experience vintage computers and games consoles from the 1970s all the way through till 2010 and more!!!

Eventbrite
Break Into ProgramJan 14, 2023
Today I'm sorting out the front room and the cellar. Both full of junk at the moment.