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
Have I found a bug in the HardwareSimulator ? (Probably not) by Lozminda
4
by Lozminda
Chapter 3
Comments in hack file? by stansbuj
1
by WBahn
Project 6
The ALU, can't i use Mux4Way16 ? by Lozminda
2
by Lozminda
Chapter 2
typo in Fig 2.6? (x+1 vs x-1) by kowey
5
by WBahn
Book - 1st Edition
Trouble with understanding memory mapping(structure/architecture) and instruction set by cdrh
2
by WBahn
Chapter 4
Problems understanding Hardware/Software interface by cdrh
12
by WBahn
Chapter 4
using internal node as a select line by nasserAlhouti
6
by nasserAlhouti
Chapter 2
Computer chip does not pass tests by Arjun Daddikar
11
by Arjun Daddikar
Chapter 5
The chip has a circle in its part connections by Arjun Daddikar
3
by ivant
Chapter 5
Yet another HACK assembler written in Perl by kwokt
1
by ivant
Project 6
MineSweeper for Hack Platform in Jack by Marco Bellocchi
2
by Marco Bellocchi
Project 9
Complexity of bitmaps by The_Larks
4
by The_Larks
Project 9
Assembly commands and clocks by Ashish
12
by KazaK
Chapter 4
Assembler Changing Code by cjm4443
4
by ivant
Chapter 6
LFSR32Rand: A new Random Number Generator for Jack by cadet1620
6
by ivant
Project 9
PDF version of book for purchase? by craftyguy
3
by WBahn
Other
Computer Chip not working by Arjun Daddikar
7
by Arjun Daddikar
Chapter 5
Hello, People! by A_Random_Person
0
by A_Random_Person
Users Forum
Out of segment space in Piece.move.3 by A_Random_Person
7
by A_Random_Person
Project 9
Hardware simulator comparison failure when everything is correct by erlendkrool
6
by erlendkrool
Chapter 1
Question about the address by TamioH
3
by WBahn
Chapter 5
Assembler Bugs by Uli Kastlunger
1
by WBahn
Software installation
Confusion about ticks and tocks by Greemngreek
30
by Johnaxle
Chapter 3
Please comment on my logic for delaying movement of a Tetris piece by The111
3
by WBahn
Project 9
Push/Pop LCL, ARG by ElliotW
6
by ElliotW
Chapter 8
Gates by Mustard
8
by xedover
Chapter 1
Terminal Issues by Chelsea
7
by WBahn
Software installation
Need some help with loops for fill program -- Solved by Magerman
4
by WBahn
Chapter 4
Need clarification about the CPU by bool
1
by ivant
Chapter 5
VM program with calls to OS facilities constantly halts by Acsor
1
by Acsor
Chapter 12
I/O Handling by Greemngreek
7
by Greemngreek
Chapter 4
Instruction memory by Greemngreek
13
by Greemngreek
Chapter 4
Is it alright to store temporary variables FRAME and RET in R13-R15 by kraftwerk1611
6
by A_Random_Person
Project 8
Commands for reading keyboard/writing to screen? by Magerman
6
by Magerman
Chapter 4
Everything right in NestedCall but SP and TEMP 0 by A_Random_Person
3
by WBahn
Project 8
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