Hacking up the Psion SIBO SDK DOS debugger

Poking around in the old Psion SIBO SDK debugger – which looks like it’s based heavily on the MC’s GUI…

Psion MC400 – retro computing via RS232 to Raspberry Pi – handshaking fixed…

Getting the 1990s era Psion MC400 laptop online via an attached Raspberry Pi and some custom shortened Psion serial-USB cables… Tweets, Emails, BBC News & screenshots! All in glorious monochrome and at 19200 baud 🙂