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 (3167)
Replies Last Post Views Sub Forum
Some Logisim circuits to use with keyboard and screen by LegenDUST
5
by Renslay
More Fun to Go
PC logic changed? by Marty Billingsley
2
by Marty Billingsley
Project 3
Project 4 Mult.asm Missing in Projects Folder, v2.7 by investineducation
0
by investineducation
Projects
Project 4 Test Scripts Calling Incorrect File Extension, v2.7 by investineducation
0
by investineducation
Projects
Project 3 PC.hdl by john.shimin.zhang
1
by WBahn
Projects
DMux error - Help needed (Fixed) by joaodjulio
0
by joaodjulio
Project 1
Understanding memory (de)allocation by dsguy
4
by dsguy
Chapter 9
Chapter 4: Typo (";0 prefix") by pesco
0
by pesco
Book - 2nd Edition
Chapter 6: Mixed up extension of "compare file" by pesco
0
by pesco
Book - 2nd Edition
Why is a stack frame for Sys.init required? by faIan36
1
by WBahn
Project 8
e2nd edition book missing by faIan36
1
by WBahn
Web site
Chapter 8: Factorial Stack Example by faIan36
0
by faIan36
Book - 2nd Edition
Chapter 8: 'Mult' example by faIan36
1
by faIan36
Book - 2nd Edition
Chapter 4: Multiple Destinations by faIan36
5
by WBahn
Book - 2nd Edition
Project 5: CPU-external by faIan36
0
by faIan36
Projects
Project 1: Typo in DMux.hdl by faIan36
1
by WBahn
Projects
Project 3: Inconsistent PC Specification by faIan36
1
by WBahn
Projects
Software regression issues with the new tools by dolomiti7
3
by WBahn
Tool Suite
Regarding the simulator's inability to see the final test results by Taussig
8
by WBahn
Project 1
Paper-based assembler? by sharklightning
3
by WBahn
Project 6
New version of Main.jack in ArrayTest? by Marty Billingsley
2
by WBahn
Chapter 10
Having issues with return address in project 8 by goodsoop21
3
by WBahn
Project 8
Hi, I'm Joel(again) by happyhog11
1
by WBahn
Users Forum
My submission says my ALU failed but when I test it on my side it passes? by MichaelJohnOB
7
by WBahn
Chapter 2
I'm unsure why this isn't loading in to the hardware simulator by Ktesibios
3
by Ktesibios
Chapter 5
stuck with fill.asm by fmiren
1
by WBahn
Chapter 4
General: Understanding of CPU/Memory communication by dsguy
5
by dsguy
Chapter 5
project 1: chapter 1 lecture.pdf,page32 by Leon
0
by Leon
Lecture Slides
1 Nand 1 = 1 ? in project 01 when buliting And gate. by banian
3
by WBahn
Project 1
ALU Implementation - HELP by 30249
3
by WBahn
Project 1
Always have a -1 in RAM[6]/ register by anker777
1
by WBahn
Project 8
Screen display issue CPUEmulator by whycatscantfly
7
by dolomiti7
Tool Suite
PC - Comparison failure at line 7 by fmiren
1
by WBahn
Project 3
How to Zoom out on hardware Simulator (page doesnt fit) by Freddie2004
1
by WBahn
Hardware Simulator
RAM8 implementation by fmiren
2
by fmiren
Project 3
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