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From: joel@gould9.UUCP (Joel West)
Newsgroups: net.micro.mac,net.lang.mod2
Subject: Re: ETH Modula2 Single Pass (how to access the tool-box)
Message-ID: <809@gould9.UUCP>
Date: Tue, 7-Oct-86 23:07:47 EDT
Article-I.D.: gould9.809
Posted: Tue Oct  7 23:07:47 1986
Date-Received: Thu, 9-Oct-86 05:34:09 EDT
References: <6@fornax.uucp> <384@ethz.UUCP>
Distribution: net
Organization: Western Software Technology, Vista, CA
Lines: 24
Summary: TRAPS
Xref: mnetor net.micro.mac:7486 net.lang.mod2:451

In article <384@ethz.UUCP>, heeb@ethz.UUCP (Hansruedi Heeb) writes:
> You can access any tool-box tool if you know it's address. An example:
> 
> FROM SYSTEM IMPORT WORD;
> 
> PROCEDURE DrawChar(ch: WORD); CODE 0A883H;
> 
> 
> 	Hansruedi Heeb
> 	{seismo|decvax}!mcvax!cernvax!ethz!heeb

Actually, this loses something in the translation, since the
word here is "trap" not "address".  A trap is an unimplemented
68000 instruction.

This only works for stack-based calls, which are normally limited
to the toolbox.  For example, if MacMETH doesn't provide assembler,
and doesn't provide direct access to the file manager, device
manager, and memory manager, you're SOOL.
-- 
	Joel West			     MCI Mail: 282-8879
	Western Software Technology, POB 2733, Vista, CA  92083
	{cbosgd, ihnp4, pyramid, sdcsvax, ucla-cs} !gould9!joel
	joel%gould9.uucp@NOSC.ARPA