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From: muir@cogsci.berkeley.edu.UUCP
Newsgroups: comp.sys.amiga
Subject: AmigaDOS packet questions
Message-ID: <18276@ucbvax.BERKELEY.EDU>
Date: Sat, 11-Apr-87 08:07:55 EST
Article-I.D.: ucbvax.18276
Posted: Sat Apr 11 08:07:55 1987
Date-Received: Sat, 11-Apr-87 21:52:39 EST
References: <3124@jade.BERKELEY.EDU>
Sender: usenet@ucbvax.BERKELEY.EDU
Reply-To: bryce@cogsci.berkeley.edu.UUCP (Bryce Nesbitt)
Organization: University of California, Berkeley
Lines: 31
Keywords: DOS packet question

Dear anybody; I am in need of information on the format of the DOS packet;

ACTION_GET_BLOCK

Which I have partially working, and partially not.  (It seeks, but no data
is to be found.  Perhaps the packet  is being sent to the wrong place??)
It is realized that this packet type is not for general use, and that the
information returned by it will not be transparent to other filesystems or
DOS upgrades.  Using this packet will prevent my needing to go DIRECTLY to
Trackdisk.  Information would also be nice on these packets;

ACTION_NIL , ACTION_SET_MAP , ACTION_DIE , ACTION_EVENT
ACTION_CURRENT_VOLUME , ACTION_INFO , ACTION_DISK_CHANGE
ACTION_DISK_TYPE and any others currently in hiding.

None of which are properly documented in the AmigaDOS Technical Reference
Manual.  Of particular interrest is ACTION_DISK_TYPE.  Please indicate any
restrictions on the use of the above requested information.
------------------
For related reasons I have a need to write a replacement for the V1.2 CLI
command ADDBUFFERS.  The location and linkage of the cache buffers eludes
my probing, and to say that disassembled BCPL is confusing would be an
understatement.
------------------
And finally, I read the V1.2 Gamma 1 autodocs on the QueuePacket and
GetPacket routines and became confused.  Is it safe to ignore these
routines and simply keep calling PutMsg().
------------------
PS. I am coding in 68000 at the moment.
   //
\\// Save the sanity of millions, ban the BPTR! (Can you say "Batty Pointer"??)