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.

Due to a large number of spam posts, you must be a registered member to post to the forum.

Software and tools can be downloaded from the Nand2Tetris site.
1 ... 23242526272829 ... 91
Topics (3169)
Replies Last Post Views Sub Forum
Getting my hands dirty by svajoklis
8
by svajoklis
Users Forum
math to compute the jump control bits by ouverson
5
by Mike2345
Project 5
Err 5 MemAlloc must be +ve, but i haven't allocated any memory yet.. by Lozminda
8
by Lozminda
Project 9
RAM efficiency by Daniel
3
by WBahn
Chapter 3
charAt() by Lozminda
5
by WBahn
Chapter 9
Nested Call Error; A=-1 illegal memory address by JM
2
by Lozminda
Project 8
slide deck and/or additional materials by ouverson
1
by WBahn
Other
class to handle very large number of significant figures by Lozminda
5
by ivant
Project 9
Stuck at the very beginning of CPU implementation by theratulz
14
by Lozminda
Project 5
Comparision failed at Line 5 by amrit239
10
by amrit239
Chapter 1
why isn't my CPU working? by smcbot
3
by theratulz
Chapter 5
Derivation of the recursive division algorithm by cadet1620
5
by Lozminda
Chapter 12
Variable length by Jowan
5
by Lozminda
Chapter 4
ALU failing ALU-nostat.tst but not ALU.tst? by mchtx
2
by mchtx
Chapter 2
Direct/Indirect Addressing Question by dgnunch
9
by WBahn
Project 4
Trying to understand how the assembler would be written using OOP paradigm by JM
4
by ivant
Project 6
Why did Noam and/or Shimon choose to communicate as a 4, 4-bit composition? by ouverson
2
by ouverson
Chapter 6
Behavior of addressM and inM by ouverson
7
by ouverson
Project 5
In Regards to a 4WayMux16 and 8WayMux16... by Dan1984mor2017
3
by WBahn
Chapter 1
Handling the double ")" by pawdwanlearner
10
by daniel4422
Chapter 10
Why "call" Sys.init? by VonLoewe
2
by WBahn
Project 8
Yet Another DMux4Way Question by salmoneus
1
by WBahn
Chapter 1
implementation of or gate by Gokul.g
1
by WBahn
Chapter 1
"Bad Zip File" by BenS
0
by BenS
Chapter 1
Who is responsible to store the ASCII code of the currently pressed on keyboard memory address? by Henoktes722
1
by ivant
Project 12
All local tests passed, arithmetic grader tests passed, 3 other memory access tests failed by kuznetsovivan
0
by kuznetsovivan
Project 7
How are fonts mapped to memory? by Henoktes722
2
by Henoktes722
Project 12
Drawing a line when x1 or y1 greater than x2 or y2? by Henoktes722
1
by Henoktes722
Project 12
How to handle allocation of 0 byte of memory in String.new? by Henoktes722
1
by WBahn
Project 12
Confusion on implementation of String class? by Henoktes722
3
by WBahn
Project 12
ALU Error by Mike2345
7
by WBahn
Chapter 2
PC Error by Mike2345
4
by Mike2345
Chapter 3
ALU Implementation Error by Mike2345
4
by Mike2345
Chapter 2
Ram8 Error by Mike2345
2
by Mike2345
Chapter 3
implementation of AND gate by Gokul.g
4
by Gokul.g
Chapter 1
1 ... 23242526272829 ... 91