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 (3176)
Replies Last Post Views Sub Forum
HardwareSimulator not cooperating for testing Memory.hdl by gcgsauce
8
by WBahn
Project 5
What is wrong with my RAM64 Implementation? by Jiangmh
2
by Jiangmh
Project 3
Screen mapping by savage
10
by Reuben Adams
Project 4
Mux gate by ron2308
4
by ron2308
Chapter 1
Mac OS VMEmulator: Display & Screen issues by curiouscoder
0
by curiouscoder
Software installation
Please explain to me how D=A-D is supposed to flow by eVh1955
1
by WBahn
Project 5
Responsive design? by tuzmusic
1
by WBahn
Software installation
Dev tools & IDEs? by tuzmusic
5
by WBahn
Chapter 9
Exception in thread "Thread-1" java.lang.StringIndexOutOfBoundsException: String index out of range: -1 by jsAJvuEp7b
3
by FraZZler
Project 11
ALU Problem(It says comparison fail but i couldn't find the problem) by ChenYi
1
by WBahn
Project 2
Can I put in '0000000000000000' on a Mux16? by eVh1955
7
by WBahn
Project 5
How does jump works? by bamar
2
by bamar
Chapter 4
RAM64 Line27, a pin name is expected by Leontocephaline
6
by Leontocephaline
Chapter 3
No code was displayed when I loaded a FibonacciElement.asm in the CPU emulator by Ichiro
2
by Ichiro
Project 8
Cannot edit projects by DK3250
5
by WBahn
Other
Hack Computer Simulator inside Browser! [OpenSource] by magiwanders
4
by Lozminda
More Fun to Go
Fill.asm works in emulator, fails test by greebo777
8
by WBahn
Project 4
Return from the callee function by hemasaad
6
by WBahn
Project 8
Clarity needed about which numbers can be directly loaded into A/M/D by motty
6
by motty
Project 4
Can't connect output pin to part...? by eVh1955
8
by eVh1955
Project 5
Hi from Italy! by magiwanders
1
by WBahn
Users Forum
Can't insert data in the CPU Emulator by Yishail12
5
by Yishail12
Software installation
And16 by DK3250
6
by DK3250
Chapter 1
How does n =17 flow into the CPU? by eVh1955
3
by WBahn
Project 5
Tips for NestedCall, FibonacciElement, & StaticsTest by Bozar
2
by T KARTHIKEYAN
Project 8
4 bit Right shift by SreePran
13
by WBahn
Other
That what happens when i'm trying to convert the screen to white again .. by meni
3
by WBahn
Project 4
output file cannot be found by Ichiro
3
by WBahn
Project 8
Mux4way16 problem by Idrisadeniyi
22
by Idrisadeniyi
Chapter 1
ALU issue with built in Not chip by LFinch
2
by LFinch
Chapter 2
Calling constructor to allocate memory by ajksdf
3
by WBahn
Project 11
Help with bootstrap and call Sys.init by cyclogenesis
7
by cyclogenesis
Project 8
Fun Game "Drunken Sniper" by leimao
2
by ParrLauren
More Fun to Go
Dmux4way Issues by Idrisadeniyi
0
by Idrisadeniyi
Chapter 1
Mux4way16 problem by Idrisadeniyi
3
by Idrisadeniyi
Project 1
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