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@zedstarr

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18.11.2024
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Latest posts by @zedstarr

Yeah I'm sure it can do it, even in OPL but it would take a looong time. Assembler could be reasonable but my brain to old to learn 8086 ASM 😆

19.02.2026 23:33 👍 0 🔁 0 💬 0 📌 0
Old laptop displaying QR code almost filling its monochrome LCD screen

Old laptop displaying QR code almost filling its monochrome LCD screen

Upgraded my auto-convert-cloud-sync of screenshots taken on the old Psion MC400 to now include QR code generation 💻 <spoiler> there's a Pi doing the hard work, the poor 7MHz 8086 in the MC just does the pretty screen print 😎

zedstarr.com/2026/02/19/q...

19.02.2026 13:45 👍 4 🔁 0 💬 0 📌 1

Wow, that's wonky! Hold on a sec & I'll go bash WordPress with a stick....

09.04.2025 10:19 👍 0 🔁 0 💬 0 📌 0
Preview
MC400_ROM/software at main · zedstarr/MC400_ROM Psion MC400 ROM image & software repository plus some hardware (ROM chips & keyboard) details - zedstarr/MC400_ROM

"extremely spartan" to non-existent 😀 I wrote an MF dialling app for it in 1995... most of the feedback I got was along the lines of "hey that's great, do you know if any other software was written for the MC400?" 😆🤔😬 I've tried to gather all the k own software here: github.com/zedstarr/MC4...

09.04.2025 09:53 👍 0 🔁 0 💬 1 📌 0
Preview
The Last Psion | Alex (@thelastpsion@oldbytes.space) Attached: 3 images Some success with the 4MB #Psion 3mx! I've been able to write directly to a page of RAM in the upper 2MB of memory, using #EDisAsm. I modified one of the memory-dumping assembly r...

Update on the 4MB #Psion 3mx. The hardware can definitely see the extra RAM, and I can write to it. But #EPOC16 no likey. Current guess is that the ramdrive driver doesn't like more than 2MB RAM.

oldbytes.space/@thelastpsio...

#retrocomputing

14.03.2025 07:12 👍 5 🔁 3 💬 2 📌 0