Serial Loading Program
I have a 1702A EPROM programmer loaned to me hooked up to my Altair 8800. This programmer can only be used with an Altair 8800 or S-100 based computer. With the help of some other people I was able to recreate the VTL-2 EPROM set for the Altair 680. The data is 768 bytes and I did not want to toggle in all of it!
So I used a simple serial loader program that I wrote a while back. It is located at 0x1000 in memory and halts when the specified number of bytes has been read. Here it is for those who are interested: (I assembled it using A85) Code:
01 0000 ;Serial loader to get 768 bytes into RAM to burn VTL-2 for the 680 |
Although it may not make a difference here, I learned a while back that the first instruction in any power-up/bootstrap should be "disable system interrupts". Just in case there might be some chatty random timer or peripheral.
You mention the Altair 680. I see these from time to time on the auction sites. Are you planning a replica for it? |
programs for 8080
Thank You for the program, I have put it in my Notebook !!!!
I await more programs from all of You !! Thank You Marty |
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I couldn't answer your question until the official website was up. It is now, so the answer to your question is YES. :) Click here: http://www.altair680kit.com/index.html |
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