Apple II

MM5740/AAE Keyboard Controllers...

Submitted by rittwage on August 14, 2015 - 8:37pm

Just dropping in to check if anyone has any of these chips. I see them come up occasionally on Alibaba, but they never respond and they are probably fake anyway. I'd like to get my II+ keyboard working again, but not willing to pay LittleDiode prices, since I could get another II+ for that kind of money.

If anyone has any or has made a work-alike, I'd appreciate it!

-Pete

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Apple II

Back to the Future

Submitted by wishtoknow on August 13, 2015 - 12:03am

As a lot of people on this forum have done, I
spent alot of time with computers in my youth.
I started on a Apple II clone, not
being satisfied I saved my hard earn dollars
and bought an Apple ][e. (unenhanced)

Now I wish to reclaim what I did not do in
my younger years. I wish to write software
for it. This time I will be using an emulator
on my Mac.

First question - I think I will using Sweet16
or maybe Kegs but I do not know. How do you
save programs in an emulator? I have used one
before but only to load programs.

2nd question - Are there other versions of Basic
that support Shape Tables for Double Hi-REs? I am
looking to do animation but I cannot find much
documentation for the IIe on this. I have been going
throught the IIe techincal manual and know that it
the memory map for DHGR interweaves between the aux
memory and main memory but cannot find examples
of this being implemented in coding. (Apart
from the games like Airheart and the like)
Does anyone have any experience of pointers in this direction?

Sound - I would like write tunes for the graphics in
assembler or basic but need a little more information
that the tech manual.

Regards

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Apple II

Apple //c • Screen anomalies on Startup with & with out disc.

Submitted by GaryLauterback on August 9, 2015 - 7:52pm

Hello everyone, and thank any of you in advance for shedding any light on my issue(s).

I bought an Apple //c. It came with the Green Display, 5.25" Apple //c external drive. The purchase also included some original discs as well as many "home brew" looking discs.

The challenge I face is this: When I boot up with or with out a Startup disc in the internal bay, I observed an artifact in the mid-lower/center of the screen.

Follow this link: https://youtu.be/bcyAhMvTb3s to view the video I made of the process. For what it's worth I rebooted again with out the disc in place. I got similar results.

Any suggestions on how to proceed this next?

Thank you again for you time and consideration. Oh this appears to be a ROM 1 unit. - Gary

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Apple II

Apple II Cases

Submitted by 1978AppleII on August 8, 2015 - 3:32pm

So from what I've gathered, there were a number of changes made to the Apple II case over the years. The two earliest Apples I have access to (A2S1-17385 & A2S1-19561) have some significant changes to later Apple II cases.

Starting with the underside of the lids...

To that of a slightly later Apple II+:

NOT FOUND: IMG_0331.jpg

Inside rear corners, much more rounded on earlier Apple II's:

NOT FOUND: IMG_0332.jpg

And later, more squared off:

NOT FOUND: IMG_0337.jpg

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Apple II

Apple II keyboard light

Submitted by tolderlund on August 8, 2015 - 1:47pm

I was ordering some parts to repair my keyboard, and I stumbled upon a light bulb which in dimensions seems to be perfect for my broken light bulb.
I don't know if there are different light bulb for the different keyboard types?
It's a good match for my europlus keyboard.
Just ordered it, so it's untested.

Part no. CM7361-ND from

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Apple II

Apple II case lid history

Submitted by Jepple on August 8, 2015 - 5:25am

Hi,

I'm a new member on applefritter (from Sweden) but has collected/repaired/enjoyed early Apple computers for several years.

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Apple II

Apple II keyboard problem with the Ctrl key

Submitted by tolderlund on August 7, 2015 - 2:17pm

Hi

I need help with the keyboard on my Apple II europlus.
It behaves as if the Crtl key is always pressed.
When I run the keyboard test program from an Apple Diagnostic diskette all keys work as they should, except for the letter keys A-Z.
The A-Z keys work as if Ctrl is always pressed.
With the ] prompt pressing G sounds the bell as if I pressed Ctrl + G.

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Apple II

Apple II Parallel Printer Interface and the "Spare" slots

Submitted by NeilMoore on August 5, 2015 - 3:35am

Parallel Printer Interface with populated "spare" chips.

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Apple II

Apple II Plus - Keyboard not working

Submitted by apple7159 on August 5, 2015 - 12:09am

I'm trying to test an Apple II Plus. I loaded the DOS 3.3 master disk. But, I press every key on the keyboard and I can't get any characters to show up on the screen. Is there something that I'm missing? Thanks for any help you guys can provide me.

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Apple II

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