Re: Question about modifying DOS 3.3 or ProDOS

[BLuRry <brendan.robert@gmail.com>]

On Jan 7, 11:16 pm, bluebird <mildst...@gmail.com> wrote:
> To use serial I/O instead of disk II (I know which is already made.) I
> want to know how to make modifed dos image.

I've already done it for Dos 3.3 RWTS -- current version of Apple Game
Server supports Dos 3.3 images (tested with Chipwits and Jungle
Hunt).  Unfortunately, most games were not exactly Dos 3.3
based.  :-/  Anyhow, full assembly source as well as server-side
(java) implementation of the disk drive is implemented.  What is not
done is prodos image support (different sector ordering and slightly
different RWTS), mostly because my free time has evaporated.

The trick is to replace the Boot 0 and Boot 1 loaders with a custom
serial approach and look at each sector being transferred to see if it
is a RWTS routine.  If so, replace with your own with the same entry
points.  You might get more traction building off of the AGS codebase
rather than starting from scratch.

-B