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Article: 41890 of comp.sys.apple2
Path: agate!ucsee.Berkeley.EDU!chiu
From: chiu@ucsee.berkeley.edu
Newsgroups: comp.sys.apple2
Subject: Infocom_Pro patch
Date: 20 Aug 1992 09:15:06 GMT
Organization: University of California Society of Electrical Engineers (UCSEE)
Lines: 35
Distribution: world
Message-ID: <16vnqqINN3pn@agate.berkeley.edu>
References: <1992Aug19.122046.15716@ll.mit.edu> <16vkaeINN3e7@agate.berkeley.edu>
Reply-To: chiu@ucsee.Berkeley.EDU
NNTP-Posting-Host: ucsee.berkeley.edu
Summary: Infosnarf does not work properly with clock card
Keywords: Infocom_Pro, Infosnarf
Originator: chiu@ucsee.Berkeley.EDU

Because infosnarf uses $200 (input buffer area) for storing file name,
people using Thunder Clock/Compatible slot cards may experience trouble
with infosnarf (most likely be ProDOS Error #40C or #40O) since ProDOS 8
uses $200-$210 as scratch pad for its clock driver. Apple //GS owners
need not worry since ProDOS 8 handles //GS internal clock differently
from Thunder Clock/Compatibles.

I've devised the following patch to get around the problem by changing
several lines of code in Infosnarf. If you do not have clock card in
your Apple // (//GS owners need now worry since ProDOS 8 handles //GS
internal clock differently) you will not need this patch.

Like the Infocom_Pro, this patch is supplied as-is so use it at your own
risk.

From BASIC.SYSTEM set the prefix to appropriate volume/subdirectory where
infosnarf is kept, then enter the following (ignoring comments enclosed
in '/* ... */')

]BLOAD INFOSNARF
]CALL-151







After this patch infosnarf should work on Apple //s with ThunderClock or
Compatible clock cards. 

-Dave C.