I have some questions pertaining to disk access from pure assembly language on a CoCo 3 …
(1) Is there a special way to know whether a computer is running HDB-DOS from assembly language?
(2) What DECB commands are supported in assembly language from HDB-DOS? Does HDB-DOS maintain backward-compatibility with DECB when it comes to implementing DECB commands? I have the book “Disk BASIC Unravelled”. Will that be of any use under HDB-DOS?
(3) I noticed that someone from the CoCo Mailing List recently asked whether there is such a thing as HDB-DOS Unravelled. Is there?
I will probably have additional questions based upon the responses to the above questions. I am currently working with CoCo_Jay on a text-based video game that will utilize the CoCo 3’s 80-column text mode.
Thank you for your help.
This post was submitted by CoCoJon.