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 (3167)
Replies Last Post Views Sub Forum
Project 8, the second half by Lozminda
12
by linuxford
Project 8
How to get memory base adresses by Scatman_John
7
by linuxford
Chapter 7
Project 5 - External tests by WBahn
0
by WBahn
Architecture
Project 4 - Mult.asm: Things to consider by WBahn
0
by WBahn
Architecture
Project 4 - Fill.asm: Things to consider by WBahn
0
by WBahn
Architecture
The Xor demo project by WBahn
0
by WBahn
Chapter 1
bit() too slow and strange pong behavior. by HighSchoolerWhoAsksH...
3
by HighSchoolerWhoAsksH...
Project 12
SysTest error by HighSchoolerWhoAsksH...
6
by HighSchoolerWhoAsksH...
Project 12
2s complement by HighSchoolerWhoAsksH...
3
by WBahn
Project 12
Comparison Failure for "AND" gate by mohamad.ismail
7
by mohamad.ismail
Chapter 1
JackOS extended by DiamondCoder1000
1
by dev
More Fun to Go
General Question by HighSchoolerWhoAsksH...
2
by HighSchoolerWhoAsksH...
Project 12
What should I read next when I finish this book? by burge91
1
by WBahn
Other
Ram8 by ron2308
6
by ron2308
Chapter 3
Confused by return address by riverfish
17
by WBahn
Chapter 8
Confused about CPU-external.cmp by gnb03
4
by throwinshapes
Chapter 5
Confused with binary operations and multiplication. by HighSchoolerWhoAsksH...
2
by HighSchoolerWhoAsksH...
Project 12
Stack-structure is for RAM but program counter only connected with ROM by BigBang
6
by BigBang
Chapter 7
Hardware Simulator showing strange error message and not loading my CPU chip by thedumbone
1
by ivant
Project 5
StackTest execution not moving beyond a jump instruction by kraftwerk1611
5
by linuxford
Project 7
and/neg operations by ngdrummer
10
by linuxford
Chapter 7
Why we need ALU "feedback" in the registers? (CPU implementation) by thedumbone
5
by ivant
Project 5
need help understanding screen memory mapping by stranger
6
by stranger
Chapter 4
TEMP 6 or temp6 ? by Christer Nilsson
4
by linuxford
Project 7
How to do push/pop static by virote328
8
by linuxford
Project 8
a problem when loading the .asm into the CPUEmulator by Ferd
3
by linuxford
Project 7
Moving sprites by Bobber
3
by Bobber
Project 9
OSX "Permission Denied": HardwareSimulator.sh by Connor
7
by Tompete
Hardware Simulator
need help understanding binary numbers w.r.t the hack ALU ng out. by stranger
2
by WBahn
Chapter 2
How many temp registers are needed for 'pop segment index'? by linuxford
3
by linuxford
Project 7
Issue with Memory.hdl by setanjan123
4
by setanjan123
Project 5
Hardware simulator acting strange, or am I the problem? by ligman stichdeez
0
by ligman stichdeez
Hardware Simulator
testing multiple bit gates (values interpretation) by lodowcowy_rowerzysta
4
by lodowcowy_rowerzysta
Hardware Simulator
A bit confused on the pointer notation by cyclogenesis
6
by linuxford
Chapter 7
2 bit multiplier? by MrPostnikov
2
by MrPostnikov
Chapter 2
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