Upgrading a Microbee PC85 to a PC85b and adding extra Game ROMs.

[mjelic]

Sorry to say but programs like Defender and Zork are WAY to big to fit into even a 16k Eprom, ZORK is 75kb with a 9kb loader big which is one of the smallest Infocom games.  Minizork is 51kb with a 8kb loader.

There are rom external boards that plug into a 50 way (that needs fitting) but again they only take 8kb roms and for the early Series 1 units.  There is no floppy or HD controller onboard these units, so yes one could be designed I'm sure to handle a CF or SD or USB to plug into its 50 way port with boot rom in place of the Telcom (Network) rom maybe.  So there lies a challenge

Your system has a Floppy controller onboard, just plug a Gotek in and you can be running what ever within seconds.

Ah... I see... How big is EDASM?



Going by the MSPP, the PC85 Premium looks perfect for me... Except no way to save files off without tape. Yuk.



Look at this thing of beauty.