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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 (3184)
Replies Last Post Views Sub Forum
Problems understanding the Clock, Flip-Flops and Registers as explained in the book. by jb
6
Apr 26, 2011 by ybakos
1382 Chapter 3
Question regarding PC and ARegister by Justin
6
Apr 26, 2011 by cadet1620
1419 Project 5
How is the VM really made? by Andreas
4
Apr 26, 2011 by Andreas
2017 Chapter 8
Multi-line comments by Joe
0
Apr 19, 2011 by Joe
431 Project 6
Definition of allowed symbols? Clarification about how to deal with it? by mmiller7
3
Apr 17, 2011 by mmiller7
550 Project 6
Java Implementation for Project 6 by bright.mulenga
1
Apr 17, 2011 by mmiller7
739 Project 6
Incrementer question by blackfishgm
6
Apr 15, 2011 by Jorge
730 Chapter 2
can't see the screen and the keyboard icon in the HS by jAb
0
Apr 14, 2011 by jAb
260 Hardware Simulator
Strange load bit behavior and random exceptions by Joeq
1
Apr 11, 2011 by mmiller7
628 Project 5
Grey Screen of Nothing when Attempting to launch. by jdd
2
Apr 10, 2011 by mmiller7
472 Hardware Simulator
Not not working by methermeneus
5
Apr 07, 2011 by methermeneus
1264 Hardware Simulator
"|" operator in comp bits by L B
1
Apr 03, 2011 by cadet1620
351 Chapter 4
Memory Mapped I/O Misunderstanding by Andreas
8
Mar 29, 2011 by Andreas
4574 Chapter 5
If-Else Logic by Joe
2
Mar 29, 2011 by cadet1620
827 Chapter 4
Fill.asm random whitespace? by mmiller7
5
Mar 28, 2011 by mmiller7
915 Chapter 4
Not suitable for netbooks by culchie
2
Mar 27, 2011 by mmiller7
563 Software installation
CPU Emulator doesn't screech when a test fails by Matt Horn
1
Mar 27, 2011 by mmiller7
339 Software installation
Emulator Speed by Joe
1
Mar 25, 2011 by cadet1620
727 CPU Emulator
Why is NAND primitive? by Andreas
2
Mar 23, 2011 by davidk01
2288 Chapter 1
String.jack by John Douma
1
Mar 21, 2011 by cadet1620
1139 Project 12
How long should this test script take...? by mmiller7
1
Mar 17, 2011 by mmiller7
534 Project 3
Can't get programs to run by J
2
Mar 14, 2011 by J
678 Hardware Simulator
ALU Testing by Jorge Bendahan
2
Mar 13, 2011 by Jorge Bendahan
1036 Project 2
chapter 00 mux? by buster
1
Mar 12, 2011 by cadet1620
410 Hardware Simulator
The VHDL Simulator by adrian.berg
0
Mar 11, 2011 by adrian.berg
667 Other
Where are my Scripts? by Cody
1
Mar 10, 2011 by cadet1620
287 Hardware Simulator
Using MUX16 inside ALU to implement zx by Jorge Bendahan
2
Mar 06, 2011 by Jorge Bendahan
680 Chapter 2
How to build a chip in java and compile it by catvsrat
1
Mar 05, 2011 by cadet1620
369 Chapter 1
Almost by Mike D
1
Mar 05, 2011 by cadet1620
356 Chapter 1
Screencast discussing virtual memory segments by ybakos
0
Mar 02, 2011 by ybakos
444 Chapter 7
How to use a multi-bit version of a gate? by cygnus
1
Feb 27, 2011 by cadet1620
479 Chapter 1
JRE v 1.3.1 for Mac by ken
2
Feb 25, 2011 by gcheong
506 Appendix A (HDL)
pass through? by Stephen Davies
0
Feb 22, 2011 by Stephen Davies
169 Hardware Simulator
Using sub-bus of internal bus by Stephen Davies
2
Feb 22, 2011 by Stephen Davies
2644 Hardware Simulator
Busing internal pins by Todun
13
Feb 22, 2011 by cadet1620
1461 Hardware Simulator
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