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Article #1208

Re: ST programs without AES & VDI?

#1208
From: Dave J. Burris
Date: Fri, 11 Oct 1985 14:24
39 lines
1933 bytes
> Has anybody gotton any non-AES&VDI programs to run on the ST?  Even
> the following program bombs for me:
> 
> 	#include <stdio.h>
> 	main()
> 	{
> 	}
> 
> I'm linking it with gemstart.  I've also tried it with gems.  Anybody
> out there know what is wrong?
> 
> --Bob Mayo
> 
> 	...!ucbvax!mayo
> 	mayo@ucbkim.berkeley.edu

Try this:

	link68 [s,u] gemstart,PROG,gemlib,libf

I think that's all of them. I've managed to get a simple program that reads
the MIDI port and prints the hex byte to the screen working. The libf library
resolves the atof() and etoa() undefined errors. 

You also have to be careful when passing arguments because the C compiler
does not automatically convert everything to long words when passing arguments
on the stack. chars and ints use MOV.W data,(SP)- and pointers and longs
use MOV.L data,(SP)-. This can can a crash due to bus errors because if
you're not careful you could pick up an invalid pointer.

Don't ask me why they decided to do it this way, probably just to cut down
on generated code and improve speed, but it definately will cause problems
with LOTS of software that assumes that arguments passed to function are
the same size and resized to the proper size by the called function.

-- 
Dave Burris
..!ihnp4!ihopa!riccb!djb
Rockwell Switching Systems, Downers Grove, Il.
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Message-ID: <558@riccb.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!cbosgd!ihnp4!riccb!djb
References: <10613@ucbvax.ARPA>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/5/84; site riccb.UUCP
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!cbosgd!ihnp4!riccb!djb
From: djb@riccb.UUCP (Dave J. Burris )
Newsgroups: net.micro.atari
Subject: Re: ST programs without AES & VDI?
Message-ID: <558@riccb.UUCP>
Date: Fri, 11-Oct-85 10:24:51 EDT
Article-I.D.: riccb.558
Posted: Fri Oct 11 10:24:51 1985
Date-Received: Sat, 12-Oct-85 18:31:58 EDT
References: <10613@ucbvax.ARPA>
Distribution: net
Organization: Rockwell Telecommunications, Downers Grove,Il.
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