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
Is there a text-editor trick to write several identical lines of code while incrementing the numbers on each line ? by petafunk
5
by Gerrit0
Hardware Simulator
Or16 Comparison failures. I can't figure out what I'm doing wrong. by Stujo
3
by WBahn
Chapter 1
Project 01 by crisam
3
by WBahn
Chapter 1
Hack on FPGA - optimized VM Translator needed by Steku
6
by Lozminda
More Fun to Go
Mult.asm Comparison failure by Ambika Lakhera
2
by Lozminda
Chapter 4
Did anyone else implement the ALU like this? by lucasvf
4
by lucasvf
Chapter 2
Screen Manipulation by advaith_dm
7
by WBahn
Project 6
HDL built-in variables by vanjazeric
2
by vanjazeric
Appendix A (HDL)
Very Strange Comparison works on local but fails on uploading by finaspirant
3
by WBahn
Chapter 8
Chip NAND is not found in the working and builtin folders by ofz23182
4
by WBahn
Hardware Simulator
Looking for effective VM translator by Steku
2
by Steku
Project 8
Fibonacci and functions with more than one return by nandona
4
by nandona
Project 8
Error in testing the memory.hdl line 39 by antble
1
by blazk
Project 5
"Not" gate always outputting 1 by hkva
6
by hkva
Chapter 1
RAM by alldp19
4
by alldp19
Chapter 3
Comparison failure at line 2- Xor.hdl by ES
3
by WBahn
Chapter 1
cpu problem in inM pin loading by karam
7
by WBahn
Chapter 5
RAM4K would'nt load on my simulator. HELP!! by thatwillchaiguy
9
by thatwillchaiguy
Project 3
Clock Cycle - Project 5 by burhan
0
by burhan
Project 5
.hdl file won't load after changes are made by Bryan M
8
by WBahn
Hardware Simulator
Question about "not" by nandona
3
by WBahn
Project 8
Clock cycles in the hack computer by pk1234
4
by burhan
Project 5
How to ng and zr? by kingofbuffs
6
by WBahn
Chapter 2
harware simulator by Marie
15
by WBahn
Hardware Simulator
macOS Catalina 10.15.4 problem by Terry Letsche
1
by Terry Letsche
Hardware Simulator
Changes in the ROM after loading script by golan13
1
by ivant
CPU Emulator
fillautomatic problem by karam
5
by WBahn
Chapter 4
Incrementing SP question by kolibri
2
by kolibri
Project 7
PC design with DEMUX by burhan
6
by burhan
Chapter 5
General ASM question by nandona
3
by WBahn
Project 7
Getting error while runing simple assembly by ajilraju
4
by ajilraju
Chapter 4
CPu.hdl does not pass the test by bader
7
by rbrisi
Project 5
Implementing the Hack Assembler... In HACK MACHINE LANGUAGE! by dyn-dadeni
5
by dyn-dadeni
Project 6
Nand2tetris implementation on Olimex FPGA with screen! by lgsp
1
by Lozminda
More Fun to Go
Implementing project 7 in C# - Parser Constructor by jsalaz1989
3
by Lozminda
Project 7
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