Official website of Nand to Tetris courses: https://www.nand2tetris.org/
Some details of the original HACK Computer:
HACK
16bit Computer
Harvard architecture: separate Program & Data memory
32 KBytes ROM
32 KBytes Addressable RAM:
16 KBytes GENERAL RAM
8 KBytes VRAM
1 Bytes Keyboard input memory map
This repository is based on the example caravel_user_project. Refer to README for a quickstart of how to use caravel_user_project