Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!marque!studsys!jetzer
From: jetzer@studsys.mu.edu (Mike Jetzer)
Newsgroups: comp.sys.apple
Subject: Re: Ending a SYS file
Message-ID: <931@studsys.mu.edu>
Date: 15 Feb 90 02:27:22 GMT
References: <90044.234706ART100@psuvm.psu.edu> <22086@pasteur.Berkeley.EDU>
Reply-To: jetzer@studsys.UUCP (Mike Jetzer)
Organization: Marquette University - Milwaukee, Wisconsin
Lines: 19

In article <22086@pasteur.Berkeley.EDU> fadden@cory.Berkeley.EDU.UUCP (Andy McFadden) writes:
>Executing another system file:
>1) Read the file into memory at $2000
>2) jmp $2000

>The read routine isn't hard to code... just do a GET_EOF on the file
>and then do a READ for that number of bytes.  Add a few OPENs and CLOSEs,
>and you're all set.

Even easier:  Never mind the GET_EOF call; just request $FFFF bytes.
If the read is successful, and it read more than $0000 bytes, there
you have it!




-- 
Mike Jetzer
"Hack first, ask questions later."