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 (3168)
Replies Last Post Views Sub Forum
Actual hardware? by Jim Mahoney
8
by x653
Other
Why can't I connect more that one chip part output to chip output? by hacker
2
by hacker
Chapter 1
Fill.asm works with animation, doesn't work without by phsteve
4
by Stujo
Chapter 4
Bootstrap code by hemasaad
7
by Sai krishna
Project 8
I spent too much time trying to find error on my code. I didn't find one. But it doesn't work. by Mike2345
13
by WBahn
Project 8
Constructor questions by thatwillchaiguy
3
by ashort
Chapter 9
Can't load an edited chip! by cmprice11
18
by WBahn
Chapter 1
pong vm to asm by trogne
4
by WBahn
Project 8
Troubles with implementing Incrementer chip by markoFooego
12
by paward
Chapter 2
RAM512, Comparison failure at line174 by Md. Al-Imran Abir
6
by WBahn
Project 3
Memory Chip by alldp19
3
by WBahn
Chapter 5
About RAM8 by kingofbuffs
5
by WBahn
Chapter 3
return type must be class type error message by sendhelp
5
by ashort
Chapter 9
how to implement arithmetic? by kawakami
6
by kawakami
Chapter 7
Can't solve Dmux by kingofbuffs
6
by nilumbra
Chapter 1
mult.asm Test by alldp19
5
by alldp19
Chapter 4
eval is not working by promistrio
3
by WBahn
Hardware Simulator
Never exit while loop by thesaxo
6
by thesaxo
Chapter 9
Circle Jack Code by advaith_dm
4
by WBahn
Project 9
Is there a text-editor trick to write several identical lines of code while incrementing the numbers on each line ? by petafunk
5
by Gerrit0
Hardware Simulator
Or16 Comparison failures. I can't figure out what I'm doing wrong. by Stujo
3
by WBahn
Chapter 1
Project 01 by crisam
3
by WBahn
Chapter 1
Hack on FPGA - optimized VM Translator needed by Steku
6
by Lozminda
More Fun to Go
Mult.asm Comparison failure by Ambika Lakhera
2
by Lozminda
Chapter 4
Did anyone else implement the ALU like this? by lucasvf
4
by lucasvf
Chapter 2
Screen Manipulation by advaith_dm
7
by WBahn
Project 6
HDL built-in variables by vanjazeric
2
by vanjazeric
Appendix A (HDL)
Very Strange Comparison works on local but fails on uploading by finaspirant
3
by WBahn
Chapter 8
Chip NAND is not found in the working and builtin folders by ofz23182
4
by WBahn
Hardware Simulator
Looking for effective VM translator by Steku
2
by Steku
Project 8
Fibonacci and functions with more than one return by nandona
4
by nandona
Project 8
Error in testing the memory.hdl line 39 by antble
1
by blazk
Project 5
"Not" gate always outputting 1 by hkva
6
by hkva
Chapter 1
RAM by alldp19
4
by alldp19
Chapter 3
Comparison failure at line 2- Xor.hdl by ES
3
by WBahn
Chapter 1
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