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From: american@pnet51.orb.mn.org (Jeff Iverson)
Newsgroups: comp.sys.mac.hypercard,comp.sys.mac.programmer
Subject: Re: Latest version (Re: Hypercard stack structure? Corrupted Stack.)
Message-ID: <1239@orbit.UUCP>
Date: 10 Oct 89 12:05:17 GMT
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Organization: People-Net [pnet51], Minneapolis, MN.
Lines: 36

dan@Apple.COM (Dan Allen) writes:
>In article <15945@dartvax.Dartmouth.EDU> mjm@dartmouth.edu (Michael McClennen) writes:
>>- Does HyperCard 1.2.5 simply run large stacks more efficiently than 1.2.2, or
>>  are there substantial changes in functionality?
>>
>>- Do the two versions use the same file format, so that we could develop using
>>  1.2.5 and distribute for use with 1.2.2?
>
>HC 1.2.2 verses HC 1.2.5: there are no substantial changes in
>functionality, but there are two very small (but important) bug fixes
>that cause large stacks to usually be corrupted.  One of the bugs would
>corrupt a stack when it had more than 8000 cards, while the other one
>allows stacks to grow to their theoretical maximum of 512 MB.
>
>The file format of HC 1.2.2 and HC 1.2.5 is identical.
>
>Dan Allen
>HyperCard Team
>Apple Computer

According to the HyperCard product data sheet that comes with Apple Developer
Services binder the maximum stack size is touted as 4096 megabytes.  

What is this 512 megabyte 'theoretical' maximum?
/s
ooops

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