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 (3169)
Replies Last Post Views Sub Forum
Help with mult.asm (baffling errors...I'm probably missing something basic) -SOLVED by Magerman
2
by Magerman
Chapter 4
Function labels and call labels by pawdwanlearner
5
by ElliotW
Chapter 8
Can't find Java class error in HardwareSimulator by dkrasner
1
by xedover
Software installation
Implementations of gt, lt, and eq in asm by TimothyJimothy
3
by WBahn
Chapter 7
ALU Chip not loading by Greemngreek
8
by WBahn
Chapter 2
x-y on page 37 by Joel
8
by WBahn
Chapter 2
out[15] by tuckbrand2019
2
by WBahn
Project 2
cadet1620 - we miss you, get well soon by xedover
0
by xedover
Other
A couple of questions about memory segments by ElliotW
4
by ElliotW
Chapter 7
Is -1 part of the Virtual Machine language syntax? by Acsor
4
by Acsor
Chapter 7
In the "Hack ALU", what does the "Hack" mean? by merit
4
by merit
Chapter 2
Static variable handling by mng12689
3
by WBahn
Project 11
Data Sheets for parts? what is the distinction between: Register, ARegister, DRegister by MarinaP
3
by ivant
Appendix A (HDL)
ALU DESIGN by Minoshi
3
by WBahn
Chapter 2
Where is DFF clock input? by tyler1313
2
by WBahn
Chapter 3
What are the 'this' and 'that' memory segments for? by A_Random_Person
3
by WBahn
Chapter 7
VM translator passed all tests but when i submit, the grader says it failed by A_Random_Person
1
by WBahn
Project 7
High DPI Scaling problems with 4k screens by maxbrand99
3
by maxbrand99
Software installation
Buffer Overflow Attack by danluba
3
by WBahn
Other
Clearing memory on stack by 63rrit
3
by WBahn
Project 7
Nor gate by Matt Keenan
3
by WBahn
Chapter 1
Idea for changing the VM by kingpinzs
1
by ajoshguy
More Fun to Go
Saving tasks? by karmic
2
by ajoshguy
Project 5
Why won't this work? by glassesfame
1
by xedover
Hardware Simulator
Memory.hdl by glassesfame
1
by ivant
Project 5
'That' segment must be in the Heap or Screen range in Memory.alloc.13 by manikishan
1
by Chuu Htet Naing
Project 12
RAM[256] always -38 instead of 472 (BasicTest.asm)(solved) by A_Random_Person
0
by A_Random_Person
Project 7
A built-in function tried to access memory outside the Heap or Screen range. by manikishan
6
by manikishan
Project 12
GUI not working properly by Magikarp
4
by ivant
Hardware Simulator
Alu Worksheet question by tdr
6
by MarinaP
Chapter 2
Link to Appendix A broken? by rodavok
2
by MarinaP
Appendix A (HDL)
dealing with (i) by sn1012
3
by ivant
Project 7
VM deleting all contents of input file before reading it(solved) by A_Random_Person
0
by A_Random_Person
Project 7
[SOLVED] Pong.asm (@ponggame.0) Comparison failure - all programs still run fine by mijuraut
4
by mijuraut
Project 6
question about the project7 on coursera by hgy
2
by hgy
Project 7
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