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From: 2hnemarrow@kuhub.cc.ukans.edu
Newsgroups: comp.sys.apple2
Subject: Orca/C/M...Ack!
Message-ID: <28630.27bd478e@kuhub.cc.ukans.edu>
Date: 16 Feb 91 20:54:06 GMT
Organization: University of Kansas Academic Computing Services
Lines: 14

Yites... Excuse me, but I was just sitting here and wondering (and wondering
here, sitting ) if anyone would happen to have an example of an Orca/M
subroutine called from Orca/C.  We are trying to use code already written in ML
(to load and display pictures) but we can't seem to figure out how to set up
the ML subroutines.  I tried following the example and saving and retrieving
the DP pointers, but we keep getting an error # 53 (which has something to do
with the tools, I can't remember exactly right now.)  Anway, I think the error
relates to the only variable we're trying to pass (MyID, i.e., the programs ID)
for setting up space to load the picture.

So after all that, I guess the question is how to pass parameters between the
languages.  The manual says to put the variable on the stack from C (which we
did) but the example has the variable equated right after the START of the ML
subroutine.  Which doesn't seem to work with us.