Psion Series 3c

Boots the authentic Psion Series 3c EPOC16 (SIBO) v5.20F "Oak" system ROM — the 1996 backlit successor to the 3a — on a NEC V30MX core built from PCjs's x86 executor, all the way to the System screen: the EPOC16 desktop with the System, Data, Word, Agenda, Time, World, Calc and Sheet apps. The 3c adds an EL backlight and an IrDA / second serial channel over the 3a's ASIC9; the ROM's boot-time probe of those registers reads back sane values so it reaches the desktop. Move the selection between apps with the arrow keys. Open the debugger to single-step the V30 one true instruction at a time, read and write the full register file, disassemble and inspect memory through the ASIC9 pager, and set execution breakpoints and write watchpoints. Type on the on-screen Psion keyboard or your physical keyboard.