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# nand2tetris
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Trying to build a modern computer from first principles. If you want to try it visit: [From Nand to Tetris](https://www.nand2tetris.org) (:
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## Nand Numbers:
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Use [this script](https://gist.github.com/gaurishg/b788d4c13cbc02b324270e9b55f5d74d) to count how many gates you made. I modified it to print markdown tables so I can share them here:
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- [Project 01: Boolean Logic](stats-01.md)
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- [Project 02: Boolean Arithmatic](stats-02.md)
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- [Project 03: Memory](stats-03.md)
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110
stats-01.md
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stats-01.md
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# Project 01: Boolean Logic
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## Not
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Nand | 1| 1| 1|
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|**Total** ||| **1**|
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## And
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Nand | 2| 1| 2|
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|**Total** ||| **2**|
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## Or
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Nand | 3| 1| 3|
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|**Total** ||| **3**|
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## Xor
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Nand | 4| 1| 4|
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|**Total** ||| **4**|
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## Mux
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Not | 1| 1| 1|
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|And | 2| 2| 4|
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|Or | 1| 3| 3|
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|**Total** ||| **8**|
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## DMux
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Not | 1| 1| 1|
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|And | 2| 2| 4|
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|**Total** ||| **5**|
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## Not16
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Not | 16| 1| 16|
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|**Total** ||| **16**|
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## And16
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|And | 16| 2| 32|
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|**Total** ||| **32**|
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## Or16
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Or | 16| 3| 48|
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|**Total** ||| **48**|
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## Mux16
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Mux | 16| 8| 128|
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|**Total** ||| **128**|
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## Or8Way
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Or | 7| 3| 21|
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|**Total** ||| **21**|
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## Mux4Way16
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Mux16 | 3| 128| 384|
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|**Total** ||| **384**|
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## Mux8Way16
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Mux16 | 7| 128| 896|
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|**Total** ||| **896**|
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## DMux4Way
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|DMux | 3| 5| 15|
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|**Total** ||| **15**|
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## DMux8Way
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|DMux | 7| 5| 35|
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|**Total** ||| **35**|
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stats-02.md
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# Project 02: Boolean Arithmatic
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## HalfAdder
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Xor | 1| 4| 4|
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|And | 1| 2| 2|
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|**Total** ||| **6**|
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## FullAdder
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|HalfAdder | 2| 6| 12|
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|Or | 1| 3| 3|
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|**Total** ||| **15**|
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## Add16
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|HalfAdder | 1| 6| 6|
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|FullAdder | 15| 15| 225|
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|**Total** ||| **231**|
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## Inc16
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Add16 | 1| 231| 231|
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|**Total** ||| **231**|
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## ALU
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Mux16 | 6| 128| 768|
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|Not16 | 3| 16| 48|
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|And16 | 1| 32| 32|
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|Add16 | 1| 231| 231|
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|Or8Way | 2| 21| 42|
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|Or | 1| 3| 3|
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|Not | 1| 1| 1|
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|Mux | 1| 8| 8|
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|**Total** ||| **1133**|
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stats-03.md
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# Project 03: Memory
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## Bit
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Mux | 1| 8| 8|
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|DFF | 1| 4| 4|
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|**Total** ||| **12**|
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## Register
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Bit | 16| 12| 192|
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|**Total** ||| **192**|
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## RAM8
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|DMux8Way | 1| 35| 35|
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|Register | 8| 192| 1536|
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|Mux8Way16 | 1| 896| 896|
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|**Total** ||| **2467**|
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## RAM64
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|DMux8Way | 1| 35| 35|
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|RAM8 | 8| 2467| 19736|
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|Mux8Way16 | 1| 896| 896|
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|**Total** ||| **20667**|
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## RAM512
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|DMux8Way | 1| 35| 35|
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|RAM64 | 8| 20667| 165336|
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|Mux8Way16 | 1| 896| 896|
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|**Total** ||| **166267**|
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## RAM4K
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|DMux8Way | 1| 35| 35|
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|RAM512 | 8| 166267| 1330136|
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|Mux8Way16 | 1| 896| 896|
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|**Total** ||| **1331067**|
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## RAM16K
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|DMux4Way | 1| 15| 15|
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|RAM4K | 4| 1331067| 5324268|
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|Mux4Way16 | 1| 384| 384|
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|**Total** ||| **5324667**|
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## PC
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| Chip | Count | NANDs | Total |
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|------------|------------|------------|------------|
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|Inc16 | 1| 231| 231|
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|Mux16 | 3| 128| 384|
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|Register | 1| 192| 192|
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|**Total** ||| **807**|
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