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 (3183)
Replies Last Post Views Sub Forum
Java apps do not work in Windows 7, Java 6u37 by Mr. Ed
13
by sankar.lp.gym
Software installation
first reason for need standard mapping from VM to Hack rather cryptic by Rather Iffy
5
by sankar.lp.gym
Chapter 7
Reasonable expectation for # of opcodes for arithmetic? by JavaJack
9
by sankar.lp.gym
Chapter 7
comparing .hack files...best way? by krakerjak
3
by gauze
Project 6
Missing CHIP Keyword error when loading?! Bit.hdl by jrd
3
by cadet1620
Chapter 3
Trying to wrap my head around sequential circuits, don't understand transitions on positive edge by macmee
1
by cadet1620
Chapter 3
fill.asm issues - help appreciated by pwolf
7
by pwolf
Chapter 4
need help , i suck by pwolf
0
by pwolf
Chapter 4
Illegal Character Error by sledsworth
2
by sledsworth
Project 4
Finally tackling part 2 after a diversion to learn Python by wilkist1
2
by sbf
Users Forum
mux4way16 selector only accept 0 or 1 ? by pwolf
14
by cadet1620
Chapter 1
implementations by pwolf
2
by pwolf
Chapter 3
alu difficulties, nx and ny not functioning - no eval by pwolf
6
by pwolf
Chapter 2
Rect.hack draws 2 rectangles instead of 1 by sharan013
5
by zenspider
Project 5
load in ARegister by ngdrummer
1
by ngdrummer
Project 5
General purpose computer loading into ROM by w0051977
3
by cadet1620
Chapter 5
A and D Register Confusion by javalilly
2
by javalilly
Chapter 4
RAM not clearing between runs by ngdrummer
4
by ngdrummer
Chapter 4
Test Script Language tricks by WBahn
1
by cadet1620
CPU Emulator
Shifts and Rotates by WBahn
0
by WBahn
More Fun to Go
More convenient array construction? by bubkas22
1
by cadet1620
Chapter 9
Got struck in converting a pin to 8 pins by ganesshk
1
by cadet1620
Users Forum
hack (file) doesn't exist by Andrew
5
by Andrew
Chapter 4
problems with zero arguments...solved by bubkas22
0
by bubkas22
Project 8
Problem with my ALU by princejones
3
by cadet1620
Chapter 2
ACM Learning Outcomes by tansaku
4
by tansaku
Other
Issue with running hdl in project 01 folder on OSX 10.9.1 by robaroy
4
by tansaku
Software installation
Newbie/Please Help/Software Suite Problems by jrd
2
by jrd
Software installation
Trying to write a test for CheckZero16 chip by tansaku
2
by tansaku
Chapter 2
I start storing my symbols in address 1024, supplied assembler uses address 16 -- confused! by macmee
2
by macmee
Project 6
CompilationEngine - Input stream? by peterxu422
7
by ybakos
Project 10
advice needed by pwolf
9
by cadet1620
Chapter 1
Total number of lines in output files! by Fredrik Forsberg
10
by bubkas22
Project 7
Zeroing an input by ngdrummer
4
by cadet1620
Chapter 2
Out of bounds detection VM by Tim
2
by Tim
Chapter 7
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