Weera Wu wulab

wulab / piano.py

Created October 1, 2022 05:41 — forked from av1d/piano.py

Simple 1 octave piano in Python with live input

	import numpy as np
	import simpleaudio as sa
	import os, sys, termios, time, tty

	# Key mapping:
	# W E T I U
	# A S D F G H J K
	#
	# Which translates to:
	# C#D# F#G#A#

wulab / lisp.lua

Created September 29, 2022 17:51 — forked from polymeris/lisp.lua

Toy Lisp interpreter in Lua / LPEG

	local lpeg = require'lpeg'
	local P, R, S = lpeg.P, lpeg.R, lpeg.S --patterns
	local C, Ct = lpeg.C, lpeg.Ct --capture
	local V = lpeg.V --variable

	local parser = P {
	'program', -- initial rule
	program = Ct(V'sexpr' ^ 0),
	wspace = S' \n\r\t' ^ 0,
	atom = V'boolean' + V'integer' + V'string' + V'symbol',