Old Mac keyboard M0110 protocol

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Old Mac keyboard M0110 protocol

Hello,

I own a vintage Macintosh and I need some information about the keyboard M0110. I temporary need to use this keyboard on my ARM STM32 emulator, well, actually I would like to use this for a demo. I am new to retro Apple world, so I would like to learn more about the protocol used by this keyboard. My goal is to read data coming from the keyboard and send it to the microcontroller.

I don't have enough time for now to design and build a custom keyboard but this solution for now may work.

Thank you

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Re: Old Mac keyboard M0110 protocol

Hello, I just found this project that lets you use a Mac Keyboard with a PC through USB, I am not sure if you already know it so here's the link:

M0110 to USB

Maybe this is a good start point Smile

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Re: Old Mac keyboard M0110 protocol

I modified the source code of the mentioned project to work on an Arduino mini compatible board. This works as a protocol translation layer that converts the raw codes coming from the M0110 Keyboard into ASCII codes, that for now goes into a serial connection to the PC. But later on I will plug this to my Apple 1 emulator. The Interface considers also the "Key down" and "Key up" codes to parse also the Shift key. Even if in the Apple 1 there aren't lower case characters, I use the Shift for symbols.

IMAGE(http://www.applefritter.com/files/Arduino_and_M0110_Keyboard.jpg)

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Re: Old Mac keyboard M0110 protocol

The keyboard in place Smile

IMAGE(http://www.applefritter.com/files/Emulatore_Apple1_CortexM4_006.jpg)

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hi there! We run a computer

hi there!

 

We run a computer Museum here in Brazil. (https://www.facebook.com/museucapixaba/)

We received an old MAC512 without a keyboard. 

Is there a possibility do "addapt" you project so i could use a "new" USB (or PS2) keyboard on this old MAC computer?

 

 

 

 

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LtData wrote:hi there! We run
LtData wrote:

hi there!

 

We run a computer Museum here in Brazil. (https://www.facebook.com/museucapixaba/)

We received an old MAC512 without a keyboard. 

Is there a possibility do "addapt" you project so i could use a "new" USB (or PS2) keyboard on this old MAC computer?

 

Is this a public museum? I am trying to look at your facebook site (I am not registered on facebook, and I never shall register there), but I can;t tell if you have a physical location or not. It sounds as if you want to set the system up to be used (a modern KB has no point purely for a display), so I would like to know what you are doing over there. I may be willing to donate a proper KB for it, depending on the circumstances. 

 

 

 

 

 

 

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