Tic-Tac-Toe terminal game

# CC:Tweaked and Python 3
# Tic-Tac-Toe terminal game
# Version 1.0 06.07.2021 10:27:00
# (c) 2021, MCAP-2020 (mcap_nikita & mcap_slipers)

from cc import os
from cc import commands
from cc import term, peripheral

out = term;  # out = peripheral.wrap("top")
out.clear(); out.setCursorPos(1, 1); size = out.getSize()
x_min = 1; y_min = 1; x_max = size[0]; y_max = size[1]
tic = chr(120); tac = chr(111); toe = chr(7); scr = []

def say(msg):
    commands.exec('say ' + str(msg))

def check(y, x):
     global scr
     x1 = max(x_min, x - 4); x2 = min(x_max, x + 4) + 1
     y1 = max(y_min, y - 4); y2 = min(y_max, y + 4) + 1
     res = '['
     for dx in range(x1, x2):
          res = res + ('-' if scr[y][dx] == '' else scr[y][dx])
     res = res + '<>'
     for dy in range(y1, y2):
          res = res + ('-' if scr[dy][x] == '' else scr[dy][x])
     res = res + '<>'

     dxi = 0
     dx1 = x - min((x - x1), (y - y1)); dy1 = y - min((x - x1), (y - y1))
     dx2 = x + min((x2 - x), (y2 - y)); dy2 = y + min((x2 - x), (y2 - y))
     for dx in range(dx1, dx2):
          dxi = dxi + 1; dyi = 0
          for dy in range(dy1, dy2):
               dyi = dyi + 1
               if (dxi == dyi):
                    res = res + ('-' if scr[dy][dx] == '' else scr[dy][dx])
     res = res + '<>'

     dxi = 0
     dx1 = x + min((x2 - x), (y - y1)); dy1 = y - min((x2 - x), (y - y1))
     dx2 = x - min((x - x1), (y2 - y)) - 1; dy2 = y + min((x - x1), (y2 - y)) + 1
     for dx in range(dx1, dx2, -1):
          dxi = dxi + 1; dyi = 0
          for dy in range(dy1, dy2):
               dyi = dyi + 1
               if (dxi == dyi):
                    res = res + ('-' if scr[dy][dx] == '' else scr[dy][dx])
     res = res + ']'

     # say(res)

     tics = res.find(tic * 5); tacs = res.find(tac * 5)
     if (tics != -1):
          return 'TIC'
     elif (tacs != -1):
          return 'TAC'
     else:
          return None


def redrawing(x, y):
     global scr
     out.setCursorPos(x - 1, y)
     if scr[y][x - 1] == '':
          out.write(' '); out.write('')
     else:
          out.write(scr[y][x - 1])

for i in range(y_max + 2):
    save = []
    for j in range(x_max + 2):
        save.append('')
    scr.append(save)

out.setCursorPos(1, 1); out.write(toe)
for e in os.captureEvent('key'):
     key = e[0]
     cur_pos = out.getCursorPos(); x = cur_pos[0]; y = cur_pos[1]
     if key == 16:
        out.clear(); out.setCursorPos(1, 1); break
     else:
          win = None
          if (key == 205) and (x <= x_max):
               redrawing(x, y); out.setCursorPos(x, y); out.write(toe)
          elif (key == 203) and ((x - 2) >= x_min):
               redrawing(x, y); out.setCursorPos(x - 2, y); out.write(toe)
          elif (key == 208) and ((y + 1) <= y_max):
               redrawing(x, y); out.setCursorPos(x - 1, y + 1); out.write(toe)
          elif (key == 200) and ((y - 1) >= y_min):
               redrawing(x, y); out.setCursorPos(x - 1, y - 1); out.write(toe)
          elif key == 29:
               out.setCursorPos(x - 1, y); out.write(tic)
               scr[y][x - 1] = tic
               win = check(y, x - 1)
          elif key == 56:
               out.setCursorPos(x - 1, y); out.write(tac)
               scr[y][x - 1] = tac
               win = check(y, x - 1)
     if win != None:
          out.setCursorPos(1, 1); print('WIN ' + win)
          break

# 29 - tic, 56 - tac
# 200 - up, 208 - down, 203 - left, 205 - right