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 (3130)
Replies Last Post Views Sub Forum
ALU ouptut flags by Tony
8
by daveking
Chapter 2
Windows 7 compatibility issue? by Ferg
2
by Ferg
Software installation
Shortening ALU Code by Zebo
1
by cadet1620
Chapter 2
Hack actually a Harvard architecture (and not von Neumann per the book)? by malyn
4
by cadet1620
Book - 1st Edition
Software doesn't run on my computer by carfreak3504
1
by cadet1620
Software installation
Question about M register and A register. by Jorge Bendahan
3
by Jorge Bendahan
Chapter 4
De-bus pins? by mmiller7
4
by cadet1620
Hardware Simulator
how to build RAM4K by davnav
3
by cadet1620
Chapter 3
Shall we deal with the error input? by woodylcy
1
by cadet1620
Project 6
Figure 7.10 by Kyle Smith
3
by cadet1620
Book - 1st Edition
when deal with the D instruction, shall I determine if it's a jump first? by woodylcy
1
by cadet1620
Project 6
Mux4Way16 Problem - Help by Veneficus
7
by cadet1620
Chapter 1
the screen is not right by woodylcy
1
by cadet1620
Chapter 4
What does it mean, you must make sure R0>0,R1>0,R0*R1<32768 by woodylcy
1
by cadet1620
Project 4
There is no pdf for Chapters 8, 9, and 11 by Jeriboy
1
by cadet1620
Other
How can I expand a one-bit signal to multi bits? by woodylcy
1
by cadet1620
Chapter 2
Problems understanding the Clock, Flip-Flops and Registers as explained in the book. by jb
6
by ybakos
Chapter 3
Question regarding PC and ARegister by Justin
6
by cadet1620
Project 5
How is the VM really made? by Andreas
4
by Andreas
Chapter 8
Multi-line comments by Joe
0
by Joe
Project 6
Definition of allowed symbols? Clarification about how to deal with it? by mmiller7
3
by mmiller7
Project 6
Java Implementation for Project 6 by bright.mulenga
1
by mmiller7
Project 6
Incrementer question by blackfishgm
6
by Jorge
Chapter 2
can't see the screen and the keyboard icon in the HS by jAb
0
by jAb
Hardware Simulator
Strange load bit behavior and random exceptions by Joeq
1
by mmiller7
Project 5
Grey Screen of Nothing when Attempting to launch. by jdd
2
by mmiller7
Hardware Simulator
Not not working by methermeneus
5
by methermeneus
Hardware Simulator
"|" operator in comp bits by L B
1
by cadet1620
Chapter 4
Memory Mapped I/O Misunderstanding by Andreas
8
by Andreas
Chapter 5
If-Else Logic by Joe
2
by cadet1620
Chapter 4
Fill.asm random whitespace? by mmiller7
5
by mmiller7
Chapter 4
Not suitable for netbooks by culchie
2
by mmiller7
Software installation
CPU Emulator doesn't screech when a test fails by Matt Horn
1
by mmiller7
Software installation
Emulator Speed by Joe
1
by cadet1620
CPU Emulator
Why is NAND primitive? by Andreas
2
by davidk01
Chapter 1
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