[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Converting DOS 3.3



On 29 Apr 1998 03:00:52 GMT, ljsilicon@aol.com (LJSILICON) wrote:

>Also, there was a thread going around a while back about protected
>memory $300.$3FF. ProDOS protects this area.

Nit pick.  The area of memory that ProDOS marks as protected and
usually causes problems with DOS 3.3 converted programs is the text
screen memory ($400-$7FF).

This is done mostly to protect the screen "holes" that ProDOS uses to
store information about the current state of the machine.

=== I've had enough SPAM.  Cut the obvious from my address to email me. ===