Nand2Tetris Questions and Answers Forum

If you have questions about Nand2Tetris projects or software, you are in the right place. Please select a sub-forum and review the posts; there is a good chance that a similar question was previously asked and answered. If not,  post your question, and we will answer it shortly. If you feel like answering some of the questions yourself, feel free. Please avoid posting solutions or solution segments (a few lines of code is fine). It's important to let people have the freedom to build the computer on their own.

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Software and tools can be downloaded from the Nand2Tetris site.
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Topics (3183)
Replies Last Post Views Sub Forum
output file cannot be found by Ichiro
3
by WBahn
Project 8
Mux4way16 problem by Idrisadeniyi
22
by Idrisadeniyi
Chapter 1
ALU issue with built in Not chip by LFinch
2
by LFinch
Chapter 2
Calling constructor to allocate memory by ajksdf
3
by WBahn
Project 11
Help with bootstrap and call Sys.init by cyclogenesis
7
by cyclogenesis
Project 8
Fun Game "Drunken Sniper" by leimao
2
by ParrLauren
More Fun to Go
Dmux4way Issues by Idrisadeniyi
0
by Idrisadeniyi
Chapter 1
Mux4way16 problem by Idrisadeniyi
3
by Idrisadeniyi
Project 1
M register == RAM[A], Why? by igaloly
6
by igaloly
Chapter 4
"And" Gate by ron2308
5
by WBahn
Chapter 1
Program Counter strangeness by Ty
4
by Ty
Project 5
Chip Not4 is not found in the working and built in folders by Infidian
3
by WBahn
Chapter 1
Questions about the virtual machine by cyclogenesis
7
by WBahn
Chapter 7
Stuck in Memory. Keyboard by eVh1955
8
by WBahn
Project 5
confused about first compiler written by trogne
10
by guardiancrescent
Chapter 6
Mux8way for driving program counter load? by Ty
2
by Ty
Project 5
nota - usage by ron2308
2
by ron2308
Chapter 1
Passed the first 3 tests but got stuck in the NestedCall.vm by ajksdf
2
by ajksdf
Project 8
The way to think by Aleksey
4
by WBahn
Project 5
Got stuck in CPU.hdl. What is your mental model of figuring out? by ajksdf
10
by Ty
Project 5
Mux16 by Idrisadeniyi
3
by WBahn
Chapter 1
Multiplexer Gate by Idrisadeniyi
6
by WBahn
Chapter 1
Modified HDL file fails to load with error message by Infidian
3
by Infidian
Chapter 1
The use of the extra register to store value while 'pop pointer' by ajksdf
6
by ajksdf
Project 7
Terminating Condition in Rectangle.asm by EstudianteCurioso
0
by EstudianteCurioso
Chapter 4
A Jack Virtual Machine running on the Web by jconnell
3
by jconnell
More Fun to Go
Comparison Failure for And or Or gates by Idrisadeniyi
8
by Idrisadeniyi
Chapter 1
eq implementation in a different way by ajksdf
7
by ajksdf
Chapter 7
Confused about SimpleAdd implementation concept by ajksdf
6
by ajksdf
Chapter 7
Usefulness of internal pins which are (implicitly) buses? by neophyte
9
by WBahn
Appendix A (HDL)
Mandelbrot set by Lozminda
6
by WBahn
More Fun to Go
Hardware Simulator is not loading my edited chip by Idrisadeniyi
8
by Idrisadeniyi
Hardware Simulator
One failed comparison with FibonacciElement and StaticsTest by pstrawn
12
by WBahn
Project 8
Write Assembler code by MATLAB by Taimor
2
by maheen
Chapter 6
Load Hardware Simulator in interactive mode by neophyte
2
by neophyte
Hardware Simulator
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