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RCA 1802 Breadboard System #Homebrew

Jeff Truck
 


Got the address display fully implemented.  It is running a simple memory sequencer program that was loaded using my Nano.  I throw the system into load mode and the Nano program brings DMAIN low and pumps bytes onto the data bus.  It then waits for MWR to go low then high before it throws the next byte on the bus.  Once all bytes have been loaded it sets DMAIN high.  

Jeff

Timothy Stoddard
 

That is one impressive breadboard for sure!
Love the 'new' (Nano) meets the 'old'!
--
Tim Stoddard
"Life with technology: It's a roller coaster ride!"