Path: utzoo!attcan!uunet!amdahl!ames!killer!elg
From: elg@killer.Dallas.TX.US (Eric Green)
Newsgroups: comp.sys.amiga.tech
Subject: Re: New RKM:AutoDocs & Includes  MAJOR problem!
Message-ID: <7500@killer.Dallas.TX.US>
Date: 11 Mar 89 03:51:44 GMT
References: <1467@percival.UUCP>
Organization: The Unix(R) Connection, Dallas, Texas
Lines: 22

in article <1467@percival.UUCP>, baer@percival.UUCP (Ken Baer) says:
> pleased with the fact that the parameter types were actually listed with
> the function descriptions.  HOWEVER, to my dismay, I discovered that the
> type sizes are WRONG!  Those of us who use Manx C, know that when you 
> pass an integer to an Amiga system function (like Draw()), you have to
> cast it to LONG (or it must me LONG in the first place).  But, in the new
> RKM, these variables are listed as SHORT!!  Not as LONG!  I guarentee

Note that this is a problem with Manx's "wrapper" functions, not with
the Autodocs etc. The Rom Kernel was designed to be accessed via
assembler. When it says a parameter is "SHORT", what it is really
saying is, "OK, load the parameter using an ordinary 16-bit MOV into
register <n>".  Manx calls the Rom Kernel via "stub code" written in
assembly, which translates from Manx's "on-the-stack" form of
parameter passing to Exec's "In-the-registers" form of parameter
passing. Manx does it wrong in a number of places, depending on what
version of the compiler you have.

--
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