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
Unknown Variable: addressM by Tejesh
6
by Tejesh
Project 5
HDL Specification by woolcutt
3
by WBahn
Appendix A (HDL)
Error:This Chip has a circle in its parts connection. by harshchikorde1234@gm...
5
by WBahn
Project 5
projects/01/Xor.hdl by leder
1
by WBahn
Chapter 1
Regarding the ALU by SirGouki
1
by tamir99
Chapter 2
Possible typo in 2nd Ed: 4.2.1 Background, Branching by rleininger
1
by WBahn
Book - 1st Edition
Internal Bus Pins x[i..j] = v by ouverson
4
by ouverson
Appendix A (HDL)
FullAdder by Idrisadeniyi
8
by Idrisadeniyi
Project 2
Full-Adder (3 Gates) by erwinleonardy
11
by WBahn
Chapter 2
2nd Edition: A1.3 The Expressive Power of Nand by ouverson
1
by Mornaug
Book - 1st Edition
Boolean algebra manipulates two-state binary values by ouverson
4
by ouverson
Chapter 1
Help with the CPU by ImmaLemonnyyy
11
by ImmaLemonnyyy
Project 5
chip is not found in the working or built in folders by fabrice
2
by naidnicsec
Chapter 1
HDL File edited in text editor won't show changes when chip uploaded by Margaret
13
by WBahn
Hardware Simulator
machine language > assembler > cpu/computer layer by ouverson
2
by ouverson
Project 4
Can generate the MainT.xml, but cannot generate the SquareT.xml nor SquareGameT.xml by Ichiro
2
by Ichiro
Project 10
TextComparer issue for empty parameterLists and expressionLists by ngdrummer
5
by WBahn
Project 10
How to include the symbol in the token list? by Ichiro
4
by Ichiro
Project 10
Software for new edition? by Marty Billingsley
2
by WBahn
Other
project 4 by sebbi2005
5
by WBahn
Project 6
Machine Language Keyboard Interface: Uppercase Only? by rleininger
2
by rleininger
Chapter 4
other approaches to software engineering by ouverson
7
by ouverson
Other
StarHack - Classic Trek game in Jack/Hack by lambda_express
11
by Lozminda
More Fun to Go
Not sure why RAM8 implementation does not work by davidtaylor23
8
by WBahn
Project 3
Problem in 2's compliment by RasenRhino
12
by WBahn
Chapter 2
second edition of the book forthcoming by burger-flipper
4
by WBahn
Other
Possible to extend course to cover networks? by kqian
3
by Lozminda
Other
Difference between the 2 test files in Simple Function by solaris208
4
by WBahn
Project 8
no matter what I do I only get 0 as outputs. what am I doing wrong by compscinoob
6
by WBahn
Chapter 1
ALU-notstat.hdl is missing by killerbean7
2
by killerbean7
Chapter 2
Removing the Requirement for Braces in Jack's "if" and "while" Statements by cadet1620
2
by WBahn
More Fun to Go
FullAdder imp. by ysh443
7
by WBahn
Chapter 2
Jack Grammar by cadet1620
3
by ouverson
Compiler
Stuck on PC by mwy
7
by WBahn
Chapter 3
Not 16 by ron2308
6
by WBahn
Chapter 1
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