Similar to less popular handheld of the era, the Gameboy, the Psion used a proprietary cartridge format for distributing commercial software. Psion sold blank cartridges, flashing hardware and duplicators to software houses, as well as releasing a number of titles under their own license. There’s a wide range of commercial...
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Categories:
Coding
Psion OPL - A built in development environment, when we owned our devices
Shortly after the write-up for the Psion Series 5, I picked up a Psion 3a from a fellow collector through a retro group. The plan was to do a write-up comparing the two platforms. Despite that you can see the DNA carry from the 3 to the 5, they’re distinct...
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Categories:
Coding
HU-017A RDA5807S FM Radio Kit
I get asked for recommendations for practice soldering kits.
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Categories:
Making
A One Handed Accessible Keyboard, Inspired by FrogPad
A couple of years ago, I was in an incident that reduced the strength in my left shoulder. I’ve been waiting for an operation to restore the function to that shoulder, but we were warned the post-operative recovery period would be several months. So I started looking for keyboard options...
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Categories:
Making
Connecting your RC2014 to a Psion 5MX, Psion 3, or other RS232 terminal
Back in the early part of last year, my first frustrated attempts at connecting my Psions to the RC2014 Z80 kit computer ultimately led to building the Sidecar, a small, battery powered Linux computer designed for serial use. The early experiments used a Pi Zero as a go-between between the...
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Categories:
Coding
Online Psion Document Conversion With PsiConv
TLDR; you can convert Series 5 Word documents to Text, HTML5 or Markdown
using this online service. No guarantees
are made, and for transparency you can view the code here.
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Categories:
Coding
RC2014 Emulation for Development
Carting your precious RC2014 isn’t always practical.
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Categories:
Coding
Getting Started With z80asm on the RC2014
Happy New Year.
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Categories:
Coding
In The Dark - A Rogue-like game for old and new systems
TLDR; I’ve released the first version of my rogue-like game - “In The Dark” for CP/M, DOS and modern systems. You can
download the binaries for each system and source code
from GitHub. I hope you enjoy it.
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Categories:
Coding
The Rough and Ready Guide To Getting Your RC2014 Pro Online
Back in t’day (drops 20p in t’swear jar), before the advent of the Internet as we know it in its current form, computers talked to each other using BBS software and terminal programs. You dialled the remote machine, the modem on the other side would pick up and a conversation...
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Categories:
Making
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I'm Kian Ryan
TLDR; I sport, code, make stuff, and play adventure games.
Stay safe. Go Make. Trans rights are human rights. Still get f-ed Putin. Might need to stock up on milkshakes.
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