Re: Software for MS-DOS 1.25

From: André Fachat <afachat_at_gmx.de>
Date: Sun, 08 Oct 2017 19:36:33 +0200
Message-ID: <15efd0f50e8.2813.b4d1f2b66006003a6acd9b1a7b71c3b1@gmx.de>
Am 8. Oktober 2017 2:51:30 PM schrieb Michał Pleban <lists@michau.name>:

> However,
> the board tries to access the mainboard RAM everywhere below F0000, so
> trying to access video memory on the ISA card would cause bus collision
> and crash.

You could map the video RAM in parallel to the existing RAM, just for 
writing only. Reads could be served from the existing RAM.

> So the short answer is a MAYBE strongly leaning towards NO.

It indeed looks like a challenging endeavor.

Regards
André

> Regards,
> Michau.
>
>
>        Message was sent through the cbm-hackers mailing list



       Message was sent through the cbm-hackers mailing list
Received on 2017-10-08 18:00:03

Archive generated by hypermail 2.2.0.