Emacs major mode for Nand2Tetris(NAND) hdl files (.hdl)

Emac major mode for NAND hardward description language files (.hdl) from the coursera class nand2tetris.

See jack-mode for a Jack major-mode.

The mode provides

• syntax / font-locking
• customizable indentation: choose indentation for IN/OUT declarations, PARTS, and general offset.
• Compilation support, running the chip in simulator, and jumping to mismatches in .out file.
• Comparison buffer for expected vs. output. (C-c C-c)
• imenu, other user functions, etc.
• Autocompletion / dropdown help using company-nand with company-mode and company-quickhelp

Tools in build directory:

• Autogenerate snippets from the HDL survival website (for use with yasnippet)
• Autogenerate docs.txt from builtin chips.

Todo:

• Completion-at-point functions.
• Jump to definitions

Installation

Require this file or autoload mode / compile. Snippets can be enabled by simply enabling yas-minor-mode in nand-hdl-mode-hook.

The variable nand-hdl-directory needs to be set to point to the installation directory of nand2tetris, ie the directory containing 'tools' and 'projects' directories.

;; Example
(require 'nand-hdl-mode)
(add-hook 'nand-hdl-mode-hook 'yas-minor-mode)

See company-nand for autocompletion setup.