Comment by eschaton
This should have enough to build either an emulator or a window manager.
https://bitsavers.org/pdf/displayIndustryAssociation/AlphaWi...
This should have enough to build either an emulator or a window manager.
https://bitsavers.org/pdf/displayIndustryAssociation/AlphaWi...
Also there is a firmware dump for the HP 700/70 which implemented it: https://bitsavers.org/pdf/hp/terminal/700/HP_700_70_C1093/
Likewise for the Televideo 995-65: http://bitsavers.org/pdf/televideo/995/firmware/