console.py

import curses

def run(callback, machine):
    def internal(stdscr, machine):
        console = ConsoleDisplay(stdscr, machine.rows(), machine.cols())
        callback(console, machine)

    curses.wrapper(internal, machine)


class ConsoleDisplay():

    def __init__(self, win, rows, cols):

        def set_escape_keys_interpreted_by_curses(win):
            win.keypad(1)

        def set_getch_nonblocking(win):
            win.nodelay(1)

        def set_cursor_as_a_block():
            curses.curs_set(2)

        win.resize(rows, cols)
        set_escape_keys_interpreted_by_curses(win)
        set_getch_nonblocking(win)
        set_cursor_as_a_block()
        self._win = win
        self.rows = rows
        self.cols = cols

    def set_char(self, x, y, c):
        if c == 0:
            c = 32 # TODO: set this in RAM mem instead...
        self._win.insstr(y, x, str(chr(c)))

    def refresh(self):
        self._win.refresh()