NOR Gate Rotating Drum Lookup Table
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Author: Satvik Ramaprasad

Forked from: Edward Vogel/NOR Gate Rotating Drum Lookup Table

Project access type: Public

Description:

Using Satvik's Async Counter to sequence the Address Bus I added:1. ROM2. Four User Inputs3. Comparator to Enable ROM Output when User Input and Address matchThis emulated a very simple rotating drum memory system such as those that preceded the IBM 650This project's aim is to make a user selectable two input logic gate:1. User Input Bits 0 and 1 are the gate inputs2. User Input Bits 2  and 3 select the logic function:    a. 00 OR    b. 01 AND    c. 10 XOR    d. 11 XNOR3. Output of the selected logic gate is Bit 0 of the ROM OutputNext steps:1. Write a compiler for the four logic gates described above in Python. I will use Codeskulptor:http://www.codeskulptor.org/2. Build a physical model of this circuit similar to this educational computer project from the 1960s:"How to Build a Working Digital Computer… out of paperclips"https://www.evilmadscientist.com/2013/paperclip/This time use integrated logic circuits instead of user manual operation and of course keep building on computation principles and  improving the compiler.   

Created: Sep 29, 2018

Updated: Apr 05, 2021

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