@newdossoftware

Using new (Claude Code) and old (Borland C++) to create new software for MSDOS that nobody else is asking for: Kanban, SQL, Grid

 Dos, IL
Joined February 2025
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61Media
Started on Grid tonight - a spreadsheet for MSDOS. Without me asking - Claude code decided to be more efficient for my dos projects. Now it writes code, launches dosbox, tests its changes, screenshots evidence, updates me in chat, and repeats. #msdos #retrodev
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I was watching Claude test new features and noticed a stack overflow, was curious how Claude would handle that. It noticed and is pondering how to proceed.
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And its plan is…
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Used 89% of my 5 hour limit to get to v0.6 - 5700 lines of code across 10 modules.
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Using Opus 5 Extra
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A spreadsheet for DOS is not something I’m likely to use. This is more of an experiment because it’s so much more complex than my Kanban program so I want to see how Claude does with the challenge.
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NewDOS SQL — a SQL engine for dBASE III (.DBF) tables, built with Claude Code and compiled on Borland C++ 3.1 for real MS-DOS. Multi-table JOIN w/ aliases, GROUP BY/HAVING, aggregates, ORDER BY, DISTINCT, CAST, subqueries, string/arith fns, CRUD, ALTER TABLE, batch scripts…
🤖 Made with AI
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The features of SQL for DOS by NEWDOS Software
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Mixed emotions when I easily complete something in an evening that I started and restarted many times pre-AI without getting it anywhere near done. Here is my Video Poker for MSDOS. Getting it playable and looking decent was incredibly easy for Opus 5. #retrocomputing #msdos
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Kanban for DOS by NEWDOS Software. #retrodev #retroware #retrocomputing #msdos
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Got motivated to look at ND Kanban and ND SQL again last week. Put Claude Code to work on my list of features, 1 at a time, and it’s been knocking them off. Kanban is very usable now and SQL is coming along nicely.
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Today is the day I've been promised the first royalty payment for my #retrocomputing book, "20 GOTO 10" Payments are currently 18 months late. Will the $$$ arrive? Place your bets...
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So @bigfishgames still owe me $3700 of incorrectly withheld taxes and their royalty dept doesn’t respond to me. Does anyone have a senior contact there who can help? I tried messaging their president on LinkedIn but got no reply. Thx and please share. It’s been 4 months now.
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Thought my 1992 3.5” beige floppy drive gave out this week after formatting 65 disks. So I bought a replacement on eBay, decided to get black and change to a XT inspired colorway. Then discovered the old floppy cable was just loose. I have decisions to make now. #retrocomputing
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Step 1 of the transformation has happened. I have the black 3.5” drive, not going to try and buy a black 5.25, will replace that with a gotek and bottom slot will get a compact flash slot.
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Completed the two-tone conversion in my Tandy 2100. Now it’s a black on beige Pentium 100 with Compact Flash hard drive, 3.5 floppy, gotek floppy emulator, CD ROM drive, and Compact Flash reader.
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A #pico8 thing I did last night to be ready to answer upcoming (hopefully) questions from my kid about tables/objects, arrays, randomizing, animation speed, organizing code. Amazing the high % of time an appdev has to spent on gfx stuff like squishing a ball. #notagameprogrammer
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80x50 with the headers and lane dividers put back in.
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Some upcoming enhancements: - Lines wrap to support card text longer than 25 chars. - Cards resize vertically based on text length - Headers show how many cards are in that lane. Ex: To-Do (4)
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