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
Mux16 by dmoeller
4
by dmoeller
Chapter 1
Trouble Compiling GitHub Download by skippy1300
1
by ivant
Hardware Simulator
Contract by Nick Lee
3
by robotron
Other
Adding 3 numbers with Simple Add by pawdwanlearner
5
by cadet1620
Chapter 7
Keyboard input not being recognized by sc24evr
2
by ivant
Hardware Simulator
4 way / 16-bit multiplexer not working by trirpi
1
by cadet1620
Project 1
Finished my assembler by pawdwanlearner
4
by pawdwanlearner
Project 6
Kogge-Stone 16-bit Parallel Prefix Adder by rjrotheryjr
3
by cadet1620
Project 2
Diagonal slash in gate diagrams by Foggerty
2
by Foggerty
Other
Worthwhile Optimization? by AleKahpwn
1
by cadet1620
Chapter 4
Horizontal Scrolling Help by mryordanov
1
by ivant
Hardware Simulator
A little bit of amusement with Mux4Way by IronP
3
by cadet1620
Chapter 1
Please take a look at my Memory.jack code. by social_loser
1
by cadet1620
Project 12
please confirm my understanding of screen memory map is right. by social_loser
2
by social_loser
Project 12
projects\01\Mux.hdl - Not always returns 1 by robotron
2
by robotron
Projects
drawing screen pixels and output characters by cipherdog
2
by cipherdog
Project 12
Clarification needed in the ALU part of CPU.hdl. by wangdw406
2
by wangdw406
Project 5
negative values by yoniman
1
by cadet1620
Chapter 2
Hardware simulator - implementation artifact? by Foggerty
3
by cadet1620
Hardware Simulator
Not16 Incomplete Truth Table? by Nick Lee
4
by Nick Lee
Project 1
Help needed with PC - not sure where to get output from? by dhruvkapur91
1
by cadet1620
Project 3
Why does 0 And 1 = 0? by 25b4a97a
2
by 25b4a97a
Chapter 1
Please help with the ALU code bug. by rajat
2
by rajat
Project 2
hello from a cygwin user by invitro
1
by cadet1620
Users Forum
How to run assembler from the command line? by cdg
4
by cdg
Project 6
Alien Language by runningbio
1
by cadet1620
Users Forum
How can I understand time sequence in “Bit.cmp” by Desmond.Song
2
by Desmond
Project 3
mux4way16,help please!what's wrong with it? by bluce
3
by bluce
Chapter 1
Question About Screen Memory Map by Jatudrea
10
by cadet1620
Chapter 4
Keyboard Commands Don't Work in VmEmulator by blossoms75
4
by blossoms75
Chapter 9
Why is out = 1 when all the control bits are set to 1? by wetFence
4
by cadet1620
Chapter 2
Translating Logic Tables into boolean algebra functions by jeatontech
3
by Thyreen
Chapter 1
HardwareSimulator.sh on Ubuntu 16.04 SIGSEGV by SteveGreen
2
by SteveGreen
Hardware Simulator
Multiple Options for Not by runningbio
5
by cadet1620
Chapter 1
DMux4Way Selector Ordering by wrinklytech
7
by cadet1620
Chapter 1
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