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 (3168)
Replies Last Post Views Sub Forum
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
Problems loading my CPU.hdl by rbrisi
8
by rbrisi
Project 5
Simpler add 16 by Gtantse
1
by WBahn
Chapter 2
HackCPU and DATA bus architecture by clinden
2
by clinden
Chapter 5
What is A-instruction and C-intruction. by ajilraju
1
by WBahn
Chapter 5
Fill problem by bryan5
2
by clinden
Chapter 4
Fill.asm error message by MultiplexorMan
11
by clinden
Chapter 4
Comparison Failure by Gtantse
5
by WBahn
Chapter 1
CPU implementation by nandona
3
by ivant
Chapter 5
Condition to logic by nandona
13
by ivant
Chapter 1
A built-in function tried to access memory outside the Heap or Screen range by jfmolderez
2
by jfmolderez
Project 11
C instructions implementation by Mike2345
1
by WBahn
Project 6
'loading...' by code2win
5
by ivant
Project 11
Hardware Simulator by Jae
11
by pedrogmedeiros
Software installation
Why we need the DFF to build the Register by geraldli
3
by WBahn
Chapter 3
Handling neg vs sub by pfonash
8
by gnb03
Project 11
Reference to the object calling (this 0 or pointer 0)? by pier
1
by WBahn
Chapter 11
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