The Last Psion | Alex
@thelastpsion.com
Psion hardware/software hackery, especially SIBO/EPOC16 (Series 3, etc).
Made #PsiDrive, a USB Psion SSD drive. Slowly rewriting the SIBO C SDK.
⚠️ WARNING: Will sidequest ⚠️
🦣 https://oldbytes.space/@thelastpsion
🦑 https://github.com/thelastpsion
Made #PsiDrive, a USB Psion SSD drive. Slowly rewriting the SIBO C SDK.
⚠️ WARNING: Will sidequest ⚠️
🦣 https://oldbytes.space/@thelastpsion
🦑 https://github.com/thelastpsion
Glaswegian keyboard?
October 29, 2025 at 12:53 PM
Glaswegian keyboard?
Reposted by The Last Psion | Alex
Let's take it to the beach! #psion #ShareTheShore
October 18, 2025 at 8:29 AM
Let's take it to the beach! #psion #ShareTheShore
Also moved to #Codeberg is #EDisAsm, an #EPOC16 tool to explore and dump ROM, RAM and SSDs on ASIC9 #Psion machines (i.e. 3a, Siena, 3c, 3mx, Workabout 1, Workabout mx, Pocket Book II and Pocket Book III).
codeberg.org/thelastpsion...
#RetroComputing
codeberg.org/thelastpsion...
#RetroComputing
edisasm
An exploratory tool developed for investigation into Psion's 16 bit SIBO architecture and EPOC16 operating system. Designed to work on the Psion Series 3a/c/mx, Siena, Workabout 1, Workabout mx, Acorn...
codeberg.org
October 10, 2025 at 8:31 AM
Also moved to #Codeberg is #EDisAsm, an #EPOC16 tool to explore and dump ROM, RAM and SSDs on ASIC9 #Psion machines (i.e. 3a, Siena, 3c, 3mx, Workabout 1, Workabout mx, Pocket Book II and Pocket Book III).
codeberg.org/thelastpsion...
#RetroComputing
codeberg.org/thelastpsion...
#RetroComputing
Next to go to #Codeberg are #libsibo and the #PsiDrive plans.
codeberg.org/thelastpsion...
libsibo is long due a rewrite. I've been thinking about moving away from the Arduino core and over to the RP C/C++ SDK for over a year now. The Qualcomm purchase has nudged me over the edge.
codeberg.org/thelastpsion...
libsibo is long due a rewrite. I've been thinking about moving away from the Arduino core and over to the RP C/C++ SDK for over a year now. The Qualcomm purchase has nudged me over the edge.
libsibo
A collection of Arduino libraries for communicating with peripherals compatible with Psion's SIBO range of computers.
codeberg.org
October 10, 2025 at 8:31 AM
Next to go to #Codeberg are #libsibo and the #PsiDrive plans.
codeberg.org/thelastpsion...
libsibo is long due a rewrite. I've been thinking about moving away from the Arduino core and over to the RP C/C++ SDK for over a year now. The Qualcomm purchase has nudged me over the edge.
codeberg.org/thelastpsion...
libsibo is long due a rewrite. I've been thinking about moving away from the Arduino core and over to the RP C/C++ SDK for over a year now. The Qualcomm purchase has nudged me over the edge.