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Help With Apple II Assembly Programming

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  Help With Apple II Assembly Programming AppleCoder <alxmist@aol.com> - 2016-03-06 10:30 -0800
    Re: Help With Apple II Assembly Programming wssimms@gmail.com - 2016-03-06 11:15 -0800
      Re: Help With Apple II Assembly Programming Antoine Vignau <antoine.vignau@laposte.net> - 2016-03-06 11:36 -0800
    Re: Help With Apple II Assembly Programming gids.rs@sasktel.net - 2016-03-06 16:53 -0800
    Re: Help With Apple II Assembly Programming Benoit0123 <bgilon@free.fr> - 2016-03-07 16:19 +0000
      Re: Help With Apple II Assembly Programming alxmist@aol.com - 2016-03-07 08:55 -0800
      Re: Help With Apple II Assembly Programming Benoit0123 <bgilon@free.fr> - 2016-03-07 17:15 +0000
      Re: Help With Apple II Assembly Programming Benoit0123 <bgilon@free.fr> - 2016-03-07 17:32 +0000
    Re: Help With Apple II Assembly Programming Michael Pohoreski <michael.pohoreski@gmail.com> - 2016-03-07 09:44 -0800
      Re: Help With Apple II Assembly Programming alxmist@aol.com - 2016-03-08 09:45 -0800
        Re: Help With Apple II Assembly Programming Michael J. Mahon <mjmahon@aol.com> - 2016-03-08 14:27 -0600
        Re: Help With Apple II Assembly Programming D Finnigan <dog_cow@macgui.com> - 2016-03-08 23:17 +0000
          Re: Help With Apple II Assembly Programming Michael J. Mahon <mjmahon@aol.com> - 2016-03-08 19:47 -0600
            Re: Help With Apple II Assembly Programming D Finnigan <dog_cow@macgui.com> - 2016-03-09 02:05 +0000
            Re: Help With Apple II Assembly Programming wssimms@gmail.com - 2016-03-08 19:26 -0800
              Re: Help With Apple II Assembly Programming alxmist@aol.com - 2016-03-09 07:54 -0800
                Re: Help With Apple II Assembly Programming wssimms@gmail.com - 2016-03-09 09:13 -0800
                  Re: Help With Apple II Assembly Programming alxmist@aol.com - 2016-03-09 09:38 -0800
                    Re: Help With Apple II Assembly Programming gids.rs@sasktel.net - 2016-03-09 22:14 -0800
                    Re: Help With Apple II Assembly Programming Benoit0123 <bgilon@free.fr> - 2016-03-10 08:44 +0000
                      Re: Help With Apple II Assembly Programming alxmist@aol.com - 2016-03-10 10:19 -0800
                        Re: Help With Apple II Assembly Programming wssimms@gmail.com - 2016-03-10 10:58 -0800
                        Re: Help With Apple II Assembly Programming Michael Pohoreski <michael.pohoreski@gmail.com> - 2016-03-11 03:30 -0800
                          Re: Help With Apple II Assembly Programming alxmist@aol.com - 2016-03-11 09:55 -0800
                            Re: Help With Apple II Assembly Programming D Finnigan <dog_cow@macgui.com> - 2016-03-11 21:27 +0000
                            Re: Help With Apple II Assembly Programming gids.rs@sasktel.net - 2016-03-11 14:02 -0800
                            Re: Help With Apple II Assembly Programming Michael J. Mahon <mjmahon@aol.com> - 2016-03-11 16:24 -0600
                            Re: Help With Apple II Assembly Programming wssimms@gmail.com - 2016-03-12 09:30 -0800
                            Re: Help With Apple II Assembly Programming Michael Pohoreski <michael.pohoreski@gmail.com> - 2016-03-13 14:14 -0700
                            Re: Help With Apple II Assembly Programming Chris Torrence <gorthmog@gmail.com> - 2016-04-07 10:28 -0700

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#2473

As a computer veteran/programmer of 20+ years I am ashamed that I didn't realize the disk name in Filer is NOT the name of a disk(VOLUME) when accessed by Apple II software. Knowing this and taking all your advice about prefixes I am now able to create/format disks and save and run 6502 assembly language programs!

Thank you all for your patience, and I hope you will be just as generous in helping with any other problems I might have.

Can't wait to get my hands dirty-maybe even in a few years I'll be able to translate my BASIC and Pascal games. :)

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#2474

If you haven't yet read the Prodos technical reference manual, this is a good time to do so:

http://www.easy68k.com/paulrsm/6502/PDOS8TRM.HTM

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#2480

On Thursday, March 10, 2016 at 10:19:25 AM UTC-8, alx...@aol.com wrote:
> As a computer veteran/programmer of 20+ years I am ashamed that I didn't realize the disk name in Filer is NOT the name of a disk(VOLUME) when accessed by Apple II software. Knowing this and taking all your advice about prefixes I am now able to create/format disks and save and run 6502 assembly language programs!

Glad you got it figured out.  Happens to the best of us -- it is not always "obvious" until afterwards. As they say "Hindsight is 20/20."

Looking forward to seeing what you code up in the future !

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#2482

One last thing: Can anyone suggest a good book on 6502 assembly dealing with graphics? Even a website would suffice.
For the past couple of months I have been reading Assembly Language, Step-by-Step, and Assembly Lines, The Book. Great reads for getting accustomed to bits and bytes, but neither details how to go about coding graphics, let alone activating lo-res/high-res screens.

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#2485

alxmist wrote:
> One last thing: Can anyone suggest a good book on 6502 assembly dealing
> with graphics? Even a website would suffice.
> For the past couple of months I have been reading Assembly Language,
> Step-by-Step, and Assembly Lines, The Book. Great reads for getting
> accustomed to bits and bytes, but neither details how to go about coding
> graphics, let alone activating lo-res/high-res screens.
>

I own these books on graphics. I've only really read and followed the
examples in the first, though I have skimmed the other two.

Hi-Res Graphics and Animation using Assembly Language by Leonard Malkin
Apple Graphics & Arcade Game Design by Jeffrey Stanton
Apple II & IIe Computer Graphics by Williams

-- 
]DF$
The Marina IP stack for Apple II--
http://marina.a2hq.com/

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#2487

On Friday, March 11, 2016 at 11:55:40 AM UTC-6, Alx wrote:
> One last thing: Can anyone suggest a good book on 6502 assembly dealing with graphics? Even a website would suffice.
> For the past couple of months I have been reading Assembly Language, Step-by-Step, and Assembly Lines, The Book. Great reads for getting accustomed to bits and bytes, but neither details how to go about coding graphics, let alone activating lo-res/high-res screens.


I think most books infer that you are familiar with the apple computer and its ROM calls before delving into the book.  After all, you are wanting to program in assembly language.

This ROM call chart with a list of ROM calls should help you with that.  Scroll down to the graphics routines secion.

http://mirrors.apple2.org.za/ftp.apple.asimov.net/documentation/magazines/misc/theappleorchard_v1n1_applesoftinternalentrypoints_ocr.pdf

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#2488

<alxmist@aol.com> wrote:
> One last thing: Can anyone suggest a good book on 6502 assembly dealing
> with graphics? Even a website would suffice.
> For the past couple of months I have been reading Assembly Language,
> Step-by-Step, and Assembly Lines, The Book. Great reads for getting
> accustomed to bits and bytes, but neither details how to go about coding
> graphics, let alone activating lo-res/high-res screens.
> 

The Apple ][ Reference Manual (or its //e equivalent) is a good base
document to document the hardware softswitches that control the video
modes. 
-- 
-michael - NadaNet 3.1 and AppleCrate II:  http://michaeljmahon.com

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#2495

Some useful books are:

Apple II reference manual
Apple IIe technical reference manual
Inside the Apple II (or inside the apple IIe)

You should be able to find PDFs of any of these in seconds on Google.

I had a book on high resolution graphics a long time ago but I found it to be mostly useless. The hardware manuals above were more helpful to me.

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#2503

On Friday, March 11, 2016 at 9:55:40 AM UTC-8, alx...@aol.com wrote:
> One last thing: Can anyone suggest a good book on 6502 assembly dealing with graphics? Even a website would suffice.

You'll probably be interested in my project:

Apple ][ //e HGR Font 6502 Assembly Language Tutorial
https://github.com/Michaelangel007/apple2_hgr_font_tutorial/

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#2676

On Friday, March 11, 2016 at 10:55:40 AM UTC-7, alx...@aol.com wrote:
> One last thing: Can anyone suggest a good book on 6502 assembly dealing with graphics? Even a website would suffice.
> For the past couple of months I have been reading Assembly Language, Step-by-Step, and Assembly Lines, The Book. Great reads for getting accustomed to bits and bytes, but neither details how to go about coding graphics, let alone activating lo-res/high-res screens.

You might take a look at the new edition of Assembly Lines. The missing second volume (now in the "Complete" book) contains all of the graphics articles.

You can download a free PDF from:
https://archive.org/details/AssemblyLinesCompleteWagner

Or you can purchase a hardcover from:
http://www.amazon.com/Assembly-Lines-Complete-Roger-Wagner/dp/1312089407

It's also available for a much cheaper price from Lulu.

Well worth it (not that I'm biased).

-Chris

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