Apple II

*Newly acquired box-fresh Apple II Plus! || Project log + newbie questions*

 

Hi everyone! I came across this forum when searching regarding the keyboard on my Apple II, and I found this helpful thread about converting to Cherry MX keyswitches. https://www.applefritter.com/content/cherry-mx-datanetics-dc-51-keyboard-switch-adapter

 

So I figured I might as well sign up and say hi. :)

 

I recently acquired this early Apple II Europlus (European Plus variant) which had been sat in its original box for over 30  years! 

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Apple 1983

Desktop wallpaper in 3 different resolutions...

 

 

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Dim/fuzzy output on IIe

Just picked up an Enchanced IIe, and it has a wierd problem - pretty low video output, and a bit fuzzy, connected to my Apple Monochrome monitor. My other IIe is crisp and much brighter. Any idea where to start troubleshooting?

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Homemade MMU and IOU progress thread

Hello everyone,

 

I will post my progress on my homemade MMU and IOU here in this thread.

I just made my sources for the MMU publicly available here: https://github.com/frozen-signal/Apple_IIe_MMU_IOU

These sources are licensed under Creative Common Zero (public domain). I wanted to wait before releasing them until I did due diligence and identified the problem, but that may take a while so I made the repo public this morning.

 

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Apple //c keyboard replacement

I am looking to replace my ROM 255 Apple //c's keyboard (presently an 820-6509) with a newer ALPS model (658-4087).  Will this work without problems ? 

 

 

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Apple //GS Serial Number Decoder

Good Afternoon,

 

Can anyone point me in the direction of an Apple //gs serial number decoder? I had found one and decoded my s/n but have misplaced the information. I've Googled but to avail for the GS.

Thank You in advance.

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Request [for firmware flashing]

I have a Dan ][ card that I bought last Nov. I saw the firmware update that MacFly created for it and would really like to have that on mine. Unfortunately I'm not a hardware guy. Would someone on here that is in the US and has the ability to flash the updated firmware be willing to help me? I'll pay what you think is reasonable to do this and also shipping back to me.

 

Thanks in advance.

magnus

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Apple //e keyboard board compatibility

I am having  trouble with keys on my apple //e and tried to swap a friend's keyboard from another apple //e and was surprised to see every single key being repeated constantly until I press another one. All keys do this. What could this be? Are those boards not all cross compatible? Thanks!

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Flashing a particular coordinate like a cursor in lo-res mode

I'm in the middle of working on some personal coding projects in BASIC, and I'm curious as to how one might implement this:

I've written a simple drawing program that allows you to move around the screen and draw blocks on the screen in lo-res mode, with a portion of the text window reserved for displaying your X,Y position. The problem is that if you're not drawing anything, it's a little hard to know exactly where the cursor is, even with the coordinates displayed. 

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A Quick Delve into the Laser 128 EX/2

So last night, I was literally sitting awake thinking of the projects I have set for Apple stuff this summer - and I remembered I had a Laser 128 EX/2. 

From my understanding, these things are pretty much hen's teeth and there's little to no information about them on the internet. The Laser technical manuals I've found only go as far as the 128 EX, with no details on the EX/2. Unfortunately, this one did not come with a manual.

The one thing I do know about it, however, is that unlike the Laser 128 EX (which I have a couple of as well) - the EX/2 has a built in real-time clock.  Lots of documentation online alleges that the EX does as well, but it indeed does not. I ran a GBBS Pro BBS off of my Laser 128 EX in the late 80's, and I had to fit it with an SMT No-Slot-Clock in the ROM door underneath the machine.  The EX/2 also adds a built-in MIDI port.  Otherwise, I believe it's the same as the EX - running at 1.0, 2.8 and 3.6 MHz selectable speeds - selectable by holding down "1" "2" or "3" during reset. The EX/2 also lets you set the system speed in the control panel (control-P-reset, or hold down P when powering on) as "Slow" "Medium" and "Fast".Many online resources also say the EX and EX/2 came with a built in 3.5.. I imagine some did, but all my EX's and EX/2's have 5.25's built in.  Oddly though, I do remember specifically my original EX could format and read high-density disks.  I plan on experimemnting with that later as well. 

 

The EX/2, however, does indeed have a built in RTC. That got me to thinking.. Clock.. Battery.. Leakage.. Uh oh.

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