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Volume 6 -- Issue 9                      June, 1986



In This Issue...



Using the 65816 Stack Relative Mode. . . . . . . . . . . .  2
Fast 16x16 Multiply & Divide in 65802. . . . . . . . . . .  7
The Real Story about DOS and BRUN. . . . . . . . . . . . . 10
Toggling Between Two Values. . . . . . . . . . . . . . . . 13
Using Apple's Protocol Converter . . . . . . . . . . . . . 17
Generalized MLI System Error Handling. . . . . . . . . . . 24
Practical Application of CRC . . . . . . . . . . . . . . . 30


So Soon?

Another issue of Apple Assembly Line already?  Well, readers sent in articles, Bob went on a writing binge, and we've managed to gain over a week in our efforts to get AAL back on schedule.  You should all actually receive this issue during the month of June!  One side effect of this acceleration is that Bill wasn't ready in time with the code to boot DOS 3.3 from his UniDisk 3.5.  It looks like next month for that program and article.


What, Not Yet?

Osborne/McGraw-Hill reports that their copies of 65816 Assembly Language Programming, by Michael Fischer, arrived today (6/3), so our orders should be shipped within two weeks.  We'll send them on to our customers just as soon as they arrive.  Simon & Schuster has taken over all of Prentice-Hall's titles, so they are now the ones we are bugging about Programming the 65816, by David Eyes.  The latest word from S & S is mid-July.  Sigh.

We understand that there is a 65816 book from Sybex in the stores, but the people who have seen it aren't very impressed, describing it as a 6502 book with some '816 information gleaned from the data sheets but few examples.


More Disk Utilities

We are now carrying the highly-regarded disk utility package Copy II Plus.  This includes disk and file copy programs, catalog and file handling utilities for both DOS and ProDOS, track and sector editing, and much more.  List price for all this is only $39.95, but we'll have it for just $35 + shipping.
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Apple Assembly Line is published monthly by S-C SOFTWARE CORPORATION, P.O. Box 280300, Dallas, Texas 75228.  Phone (214) 324-2050.  Subscription rate is $18 per year in the USA, sent Bulk Mail; add $3 for First Class postage in USA, Canada, and Mexico; add $14 postage for other countries.  Back issues are available for $1.80 each (other countries add $1 per back issue for postage).  A subscription to the newsletter and the Monthly Disk containing all source code is $64 per year in the US, Canada and Mexico, and $87 to other countries.

All material herein is copyrighted by S-C SOFTWARE CORPORATION, all rights reserved.  (Apple is a registered trademark of Apple Computer, Inc.)

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