Acquiring the package:

All of the files are stored as plain text.

Description:

This package consists of a collection of articles from the usenet newsgroup
comp.sys.acorn.  Files marked with a '+' contain articles (and, in some cases,
source code) on a related topic;

Filename      Description
--------      -----------
a252efmt.txt +RISC OS E-format disc structure design document [26/08/90]
a252msgt.txt +MessageTrans SWIs [13/03/91]
a252armc.txt +Important rules for ARM code writers [17/05/91]
a252spr1.txt +How to display sprites mode independently and quickly [06/06/91]
a252task.txt +TaskWindow SWIs [18/09/91]
a252cmhg.txt +CMHG entry veneer for IRQ handlers (set carry flag) [04/10/91]
a252swi.txt  +Optimised SWI veneer (instead of _kernel_swi) [04/10/91]
a252div.txt  +ARM code to perform division [02/11/91]
a252bug.txt  +Acorn Bug Report Form [11/11/91]
a252sqrt.txt +ARM code to calculate square roots [21/11/91]
s252cmp.txt  +ARM code comparison guidelines [26/11/91]
a252colr.txt +Code to find closest colour out of RISC OS 256 [30/01/92]
a252spr2.txt +OS_SpriteOp Transformed sprite SWIs [15/06/92]
a252appg.txt +comp.sys.acorn Application Writer's Guide [22/06/92]
a252filt.txt +RISC OS 3 FilterManager SWIs [03/08/92]
a252drag.txt +Program to toggle DragASprite [08/10/92]
a252icon.txt +RISC OS 3.10 icon validation commands [13/10/92]
a252free.txt +ShowFree SWIs [18/11/92]
a252edit.uue +External Edit protocol (uuencoded file) [05/01/93]
a252test.txt +RISC OS 3 Self-test result codes [24/01/93]
a252thrw.txt +Throwback protocol and SWIs [31/01/93]

Additions or replacements, version 1.01, 18/03/93:
a252m23.txt  +Hi-Res mono mode 23 on a Taxan 795 monitor [29/01/91]
a252adfs.txt +New ADFS SWIs for IDE etc. [14/10/91]
a252aud.txt  +Acorn and Sun audio formats (and convertor) [02/11/91]
a252audf.txt +Removing the audio filter [14/03/92]
a252mon.txt  +Discussion about buying / using multisync monitors [10/05/92]
a252joy.txt  +Joystick SWIs [14/07/92]
a252vidp.txt +Programming the VIDC registers [31/07/92]
a252swp.txt  +ARM SWP instruction, coprocessor 15 regs, Cache SWIs [04/09/92]
a252eur1.txt +Eureka issue 1 (Bristol Uni Archimedes group) [01/10/92]
a252bas.txt  +BASIC interpreter changes since 1.02 [10/09/92]
a252eur2.txt +Eureka issue 2 (incl. ARM assembler reference manual) [13/11/92]
a252mach.txt +Full list of specifications of Acorn machines [27/11/92]
a252unix.txt +RiscIx upgrade details [00/00/93]
a252buf.txt  +Buffer Manager SWIs, events, vectors and upcalls [00/00/93]
a252font.txt +Font file format, Outlines and IntMetrics (version 8) [00/00/93]
a252eur3.txt +Eureka issue 3 [15/01/93]
a252glas.txt +Glass: proposal for new template file format [23/02/93]
a252arm6.txt +ARM6 and ARM7 chip details and availability [25/02/93]
a252wd.txt   +WD1770/2/3 Floppy disc controller chip details [25/02/93]
a252fast.txt +Hardware modifications to speed up A5000 computers [17/03/93]

Additions or replacements, version 1.02, 17/05/93:
a252site.txt +Acorn ftp and mail-server archives [22/04/93]
a252addr.txt +Acorn-related addresses [10/05/93]

Additions or replacements, version 1.03, 17/06/93:
a252site.txt +Acorn ftp and mail-server archives [12/05/93]
a252addr.txt +Acorn-related addresses [24/05/93]
a252taos.txt +TAO operating system [02/06/93]
a252amul.txt +AMULET1 - An Asynchronous ARM Processor [09/06/93]

Additions or replacements, version 1.04, 09/07/93
a252arm6.txt +ARM6, ARM7 and ARM8 chip details and availability [14/06/93]
a252tip1.txt +Useful hints and tips #1: !Run files [14/06/93]
a252tip2.txt +Useful hints and tips #2: using !Make [14/06/93]
a252addr.txt +Acorn-related addresses [24/06/93]
a252site.txt +Acorn ftp and mail-server archives [21/06/93]