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 (3240)
Replies Last Post Views Sub Forum
Draw and Simulate your chips / logic gates by ashort
10
by BigBang
More Fun to Go
Program Counter Implementation by Zebo
19
by SpoonByte
Chapter 3
Online HDL IDE supports multi-cursor by DaveAZ
4
by WBahn
Hardware
Hints on Implementing ALU by The Gigabiter
4
by The Gigabiter
Project 2
How to preload a value into a bus pin. by The Gigabiter
1
by WBahn
Chapter 2
Where is alu test script without status pins? by The Gigabiter
0
by The Gigabiter
Chapter 2
Making new chips outside of the course in the online HDL ide by The Gigabiter
2
by The Gigabiter
More Fun to Go
Chapter 3 Figure 3.2 by SpoonByte
3
by SpoonByte
Book - 2nd Edition
Pong Game triggers game over immediately on MAC OSX by intractablehero
4
by WBahn
Project 11
Fun Challenge - Smallest possible code for fill.asm by dolomiti7
9
by dolomiti7
Project 4
Need help understanding by Unc_Red84
3
by WBahn
Chapter 2
hdl code for bus by djbell
7
by Reginald Bosco
Project 1
Not again! Mux8way16 this time by The Gigabiter
4
by The Gigabiter
Chapter 1
Where did I go wrong? by The Gigabiter
11
by WBahn
Chapter 1
Not quite errata or a bug but.... by The Gigabiter
2
by pm100
Errata, Bugs, and Such
Hello from USA by PeterBergman
0
by PeterBergman
Users Forum
Internal Bus Pins by The Gigabiter
1
by WBahn
Appendix A (HDL)
Where to find info on hdl by The Gigabiter
6
by WBahn
Appendix A (HDL)
hardware simulator messages by utsav
10
by The Gigabiter
Tool Suite
Question about feedback from DFF output to Mux in a 1-bit register by Yutao228
5
by Yutao228
Chapter 3
Hi I am from Australia doing an Online degree. by hdllearn
3
by WBahn
Users Forum
Forgot to introduce myself...... by The Gigabiter
0
by The Gigabiter
Users Forum
Elektronika 60 -- the original (Soviet!) computer Tetris was written for(I am American) by The Gigabiter
0
by The Gigabiter
More Fun to Go
Chess by ashort
21
by c0ff33
More Fun to Go
Worthwhile Optimization? by AleKahpwn
2
by germap
Chapter 4
right shift with the Hack ALU by ybakos
3
by germap
Project 4
Mux4Way16 by mor3dr3ad
5
by SpoonByte
Chapter 1
how to learn programming? how to learn top-down design? by toastur
6
by toastur
Other
Appendix 5: Hack Character Set by mocswy
1
by tservi
Book - 2nd Edition
AM and ADM destinations by ...
3
by ...
Chapter 4
not free anymore? by noelorithm
1
by noelorithm
Other
ALU Order of Operations by AntigrainWarhead
1
by WBahn
Project 2
Python Framework: Compiler, Debugger, Test Automation & Emulators by c0ff33
1
by c0ff33
More Fun to Go
I heard we're posting FPGA builds by c0ff33
1
by c0ff33
More Fun to Go
Question about Figure 3.2, Page 48, Second Edition of the book by charleszzx
15
by 8bittown
Chapter 3
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