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From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.sys.mac.programmer,comp.sys.mac.system
Subject: Re: Developing software for ancient Macs
Message-ID: <1990Oct18.053136.25070@eng.umd.edu>
Date: 18 Oct 90 05:31:36 GMT
References: <3635@syma.sussex.ac.uk>
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In article <3635@syma.sussex.ac.uk> paulr@syma.sussex.ac.uk (Paul T Russell) writes:
>I have an 'interesting' problem. I need to write some

>1 What version of system software should I use ? I have all
>  of them on a CD-ROM but I'm not sure which one is the
>  newest usable version for a Mac 512.
3.2 rings a bell... might be 3.2.1 or something like tat.

>2 The application will probably have to be written in Pascal.
>  Obviously I can use a slightly more modern Mac for development,
>  but will THINK Pascal (or any other Pascal compiler) generate
>  code which will run OK on these antique machines ? I seem
>  to remember some changes to do with the Segment Loader and
>  attributes on CODE resources when the Mac Plus came along...

I think as long as you make sure CODE 1 is locked, you will be OK.  Also, if
you use a compiler which can generate >32K segments, don't use that feature.

>3 Is there anything else which I might have problems with ?
>  Obviously I won't be able to use anything more recent
>  than Inside Mac I to III, but is there anything else
>  which might cause problems ?

Don't forget all the bugs (or 32K limitations).


--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
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