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
Error while trying to optimize a working code. by Henoktes722
4
by ivant
Project 8
Trigonometry by cadet1620
3
by Lozminda
More Fun to Go
I've crossed over by xedover
4
by WBahn
Users Forum
Cannot pass ALU test : 2's complement issue ? by thibaut
3
by WBahn
Chapter 2
Multi.tst is failing but my manual tests pass by ouverson
4
by ouverson
Chapter 4
Can't get the same output with the .cmp file. by Henoktes722
7
by Henoktes722
Project 8
location of R0-R15 in relation to ALU and RAM[0]-RAM[15] by ouverson
6
by ouverson
Chapter 4
translating eq to asm by amber
11
by cliu
Project 7
Why didn’t this chapter/week focus on machine language only; why introduce assembly now? by ouverson
26
by ouverson
Chapter 4
Assembly command for "return" vm command is too long. by Henoktes722
1
by WBahn
Project 8
Where is Sys.init defined? by Henoktes722
4
by Henoktes722
Project 8
Best way to structure the code of the vm translator(dependencies between modules). by Henoktes722
14
by WBahn
Project 7
x and y in binary operations? by Henoktes722
1
by WBahn
Project 7
Confused on HDL implementation and results by Schopenhaur1859
5
by WBahn
Chapter 1
How to write our VM translator if HACK is the first platform on build. by Henoktes722
3
by Henoktes722
Chapter 7
Struggling with Multiplication Program (Mult.asm) by MultiplexorMan
3
by WBahn
Chapter 4
Mapping VM to hack assembly. by Henoktes722
3
by WBahn
Chapter 7
Mapping memory access commands? by Henoktes722
5
by WBahn
Chapter 7
Action games and demos (Chapter 9) by gav
16
by Lozminda
Other
Is there a way to do sin, cos, and tan in Jack? by A_Random_Person
3
by WBahn
Chapter 9
Missed function Check by Jeana
8
by WBahn
Chapter 2
How does the cpu get inM at the first time? by Henoktes722
2
by Henoktes722
Chapter 5
On sub-busing internal pins to determine ng and zr by PLV
2
by MultiplexorMan
Chapter 2
Trouble with zr by loof
4
by loof
Chapter 2
Calculator icon in the Hardware simulator is greyed out on user's programs by stefano
2
by stefano
Hardware Simulator
Negating Binary Numbers by loof
2
by loof
Chapter 2
4-way mux is a dick by neekeri
17
by MultiplexorMan
Chapter 1
Hello Nand2Tetris! by MultiplexorMan
0
by MultiplexorMan
Users Forum
Suggestion for Hardware Simulator’s feedback text field. by jrveale
1
by ivant
Tool Suite
Can't grasp DFF output by Henoktes722
4
by Henoktes722
Chapter 3
I have been working so hard for over a 2 Weeks but by Ameeno
6
by Lozminda
Project 8
I'm working on my last chip in chapter/week 3: the PC chip by ouverson
24
by WBahn
Chapter 3
help with create a file by liamdx
2
by liamdx
Project 1
length method implemented on Array class by damien
0
by damien
More Fun to Go
Dmux by jonzzzsat
5
by WBahn
Chapter 1
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