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 (3170)
Replies Last Post Views Sub Forum
Control bits for input of A register by learning67
2
by learning67
Project 5
Hi! Introduce My Self by Kiran
0
by Kiran
Users Forum
"The chip has a circle..." clarification by FairFriend
6
by FairFriend
Project 5
Hi there from Italy :D by FairFriend
0
by FairFriend
Users Forum
Hardware Simulator Error: No output file specified by Smitty5569
3
by Smitty5569
Chapter 1
Harware simulator won't load project hdl file by Bill Thackston
6
by ybakos
Chapter 1
Fill.asm doubt by learning67
1
by cadet1620
Chapter 4
More Fun... by sarthak
8
by sarthak
More Fun to Go
What language are the HDL files? by Kohaugustine
1
by ybakos
Chapter 1
Demux by Lokesh Poovaragan
1
by ybakos
Chapter 1
Differentiating between 'function' and 'method' calls by peterxu422
3
by Thomas Kwon
Project 11
CPU won`t pass test script by perrothedog
3
by perrothedog
Project 5
the script of the the GUI program HardwareSimulator.sh will just pop up a white window, and nothing more. by xieyuheng
5
by xieyuheng
Hardware Simulator
null pointer exception in HS running Rect.hack by cpainterwakefield
10
by ybakos
Tool Suite
Different editions of the book by Lokesh Poovaragan
2
by Lokesh Poovaragan
Users Forum
Problem with Scope by sarthak
4
by ybakos
Project 11
Hardware simulator not loading by Amish Bedi
1
by ybakos
Hardware Simulator
Operation code and address in one instruction by scout
3
by cadet1620
Chapter 4
Meaning of negate binary number by perrothedog
3
by perrothedog
Chapter 2
Chapters 7-13 of the book missing? by perrothedog
1
by ybakos
Other
Machine language question by agustinejl
1
by cadet1620
Chapter 4
My ALU implementation by agustinejl
1
by cadet1620
Chapter 2
Loading Program in VM Emulator by sarthak
1
by ybakos
Other
Error with SimpleFunction.tst (and SimpleFunction.vm) by brbecker
3
by Krozu
Project 8
Possible bug in supplied OS/Jack Compiler by Uli Kastlunger
1
by brbecker
Chapter 9
Jumps and labels when you wont be able to know PC line number? by moobles
1
by cadet1620
Chapter 7
Temp Register/Symbol Table? by jrd
4
by moobles
Chapter 7
CPU.hdl passes, Computer.hdl does not (upon reset signal) by rpc0618
4
by retepaskab
Project 5
where stuff goes... by moobles
3
by ybakos
Chapter 7
Tools: Updated OS/Math.vm file by cadet1620
0
by cadet1620
Older updates
seems to be a difference between AM=M-1 followed by D=M and simply AMD=M-1 by moobles
3
by moobles
Chapter 7
Error in FibonacciElement.cmp? by ashleyjsands
2
by ashleyjsands
Project 8
Error while running VM code in VMEmulator by sarthak
4
by cadet1620
Project 9
Project 8: SimpleFunction test file error by cadet1620
0
by cadet1620
Older updates
Done with ALU... by JustinM
9
by wyleEcoyote
Chapter 2
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