On 2022-Mar-18, at 1:31 AM, Christian Corti via cctalk wrote: > On Thu, 17 Mar 2022, Brent Hilpert wrote: >> Does anyone have or know whether the schematics for the IBM 5110 or 5100 are >> available? > > No, there are no schematics, only block diagrams. I had created the > schematics for the Async/Serial I/O card years ago (it's a TTL only board) > >> And the tightly related question of whether anyone has done ROM (ROS) dumps? > > Yes. I've described the procedure a couple of times in the past ;-) > And FYI, I have also written a 5110 emulator. And I also have reverse > engineered the opcodes (at a time where the 5100 MIM was not available > online). > Everything (ROS listings, dumps, emulator etc) is on our FTP server as usual. > You'll also find my Kermit program and Infocom interpreter there, both > written in PALM assembler.
Thanks, found the directories and disassembly files, I'll forward this on.
