Initial commit

LICENSE

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+(c) Copyright 2019 by Radomir Dopieralski.
+
+This work is licensed under a Creative Commons
+Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) License
+(http://creativecommons.org/licenses/by-sa/4.0/).

pew.py

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+from micropython import const
+import board
+import time
+import digitalio
+import _pew
+
+
+_FONT = (
+        b'\xff\xff\xff\xff\xff\xff\xf3\xf3\xf7\xfb\xf3\xff\xcc\xdd\xee\xff\xff'
+        b'\xff\xdd\x80\xdd\x80\xdd\xff\xf7\x81\xe4\xc6\xd0\xf7\xcc\xdb\xf3\xf9'
+        b'\xcc\xff\xf6\xcdc\xdcf\xff\xf3\xf7\xfe\xff\xff\xff\xf6\xfd\xfc\xfd'
+        b'\xf6\xff\xe7\xdf\xcf\xdf\xe7\xff\xff\xd9\xe2\xd9\xff\xff\xff\xf3\xc0'
+        b'\xf3\xff\xff\xff\xff\xff\xf3\xf7\xfe\xff\xff\x80\xff\xff\xff\xff\xff'
+        b'\xff\xff\xf3\xff\xcf\xdb\xf3\xf9\xfc\xff\xd2\xcd\xc8\xdc\xe1\xff\xf7'
+        b'\xf1\xf3\xf3\xe2\xff\xe1\xce\xe3\xfd\xc0\xff\xe1\xce\xe3\xce\xe1\xff'
+        b'\xf3\xf9\xdc\xc0\xcf\xff\xc0\xfc\xe4\xcf\xe1\xff\xd2\xfc\xe1\xcc\xe2'
+        b'\xff\xc0\xdb\xf3\xf9\xfc\xff\xe2\xcc\xe2\xcc\xe2\xff\xe2\xcc\xd2\xcf'
+        b'\xe1\xff\xff\xf3\xff\xf3\xff\xff\xff\xf3\xff\xf3\xf7\xfe\xcf\xf3\xfc'
+        b'\xf3\xcf\xff\xff\xc0\xff\xc0\xff\xff\xfc\xf3\xcf\xf3\xfc\xff\xe1\xcf'
+        b'\xe3\xfb\xf3\xff\xe2\xcd\xc4\xd4\xbd\xd2\xe2\xdd\xcc\xc4\xcc\xff\xe4'
+        b'\xcc\xe4\xcc\xe4\xff\xe2\xcd\xfc\xcd\xe2\xff\xe4\xdc\xcc\xdc\xe4\xff'
+        b'\xd0\xfc\xf4\xfc\xd0\xff\xd0\xfc\xfc\xf4\xfc\xff\xd2\xfd\xfc\x8d\xd2'
+        b'\xff\xcc\xcc\xc4\xcc\xcc\xff\xd1\xf3\xf3\xf3\xd1\xff\xcb\xcf\xcf\xdc'
+        b'\xe2\xff\xdc\xcc\xd8\xf4\xc8\xff\xfc\xfc\xfc\xec\xc0\xff\xdd\xc4\xc0'
+        b'\xc8\xcc\xff\xcd\xd4\xd1\xc5\xdc\xff\xe2\xdd\xcc\xdd\xe2\xff\xe4\xcc'
+        b'\xcc\xe4\xfc\xff\xe2\xcc\xcc\xc8\xd2\xcf\xe4\xcc\xcc\xe0\xcc\xff\xd2'
+        b'\xec\xe2\xce\xe1\xff\xc0\xe2\xf3\xf3\xf3\xff\xcc\xcc\xcc\xdd\xe2\xff'
+        b'\xcc\xcc\xdd\xe6\xf3\xff\xcc\xc8\xc4\xc0\xd9\xff\xcc\xd9\xe2\xd9\xcc'
+        b'\xff\xcc\xdd\xe6\xf3\xf3\xff\xc0\xde\xf7\xed\xc0\xff\xd0\xfc\xfc\xfc'
+        b'\xd0\xff\xfc\xf9\xf3\xdb\xcf\xff\xc1\xcf\xcf\xcf\xc1\xff\xf3\xd9\xee'
+        b'\xff\xff\xff\xff\xff\xff\xff\x80\xff\xfc\xf7\xef\xff\xff\xff\xff\xd2'
+        b'\xcd\xcc\x86\xff\xfc\xe4\xdc\xcc\xe4\xff\xff\xd2\xfd\xbc\xc6\xff\xcf'
+        b'\xc6\xcd\xcc\x86\xff\xff\xd6\xcd\xb1\xd2\xff\xcb\xb7\xc1\xf3\xf3\xf6'
+        b'\xff\xe2\xcc\xd2\xdf\xe1\xfc\xe4\xdc\xcc\xcc\xff\xf3\xfb\xf1\xb3\xdb'
+        b'\xff\xcf\xef\xc7\xcf\xdd\xe2\xfd\xec\xd8\xf4\xcc\xff\xf6\xf3\xf3\xf3'
+        b'\xdb\xff\xff\xd9\xc4\xc8\xcc\xff\xff\xe4\xdd\xcc\xcc\xff\xff\xe2\xcc'
+        b'\xcc\xe2\xff\xff\xe4\xdc\xcc\xe4\xfc\xff\xc6\xcd\xcc\xc6\xcf\xff\xc9'
+        b'\xf4\xfc\xfc\xff\xff\xd2\xf8\xcb\xe1\xff\xf3\xd1\xf3\xb3\xdb\xff\xff'
+        b'\xcc\xcc\xcd\x82\xff\xff\xcc\xdd\xe6\xf3\xff\xff\xcc\xc8\xd1\xd9\xff'
+        b'\xff\xcc\xe6\xe6\xcc\xff\xff\xdc\xcd\xd2\xcf\xe1\xff\xc0\xdb\xf9\xc0'
+        b'\xff\xd3\xf3\xf9\xf3\xd3\xff\xf3\xf3\xf7\xf3\xf3\xff\xf1\xf3\xdb\xf3'
+        b'\xf1\xff\xbfr\x8d\xfe\xff\xfff\x99f\x99f\x99')
+
+
+K_RIGHT = const(0x01)
+K_DOWN = const(0x02)
+K_LEFT = const(0x04)
+K_UP = const(0x08)
+K_O = const(0x40)
+K_X = const(0x80)
+
+_screen = None
+
+
+def brightness(level):
+    pass
+
+
+def show(pix):
+    _screen.blit(pix)
+
+
+def tick(delay):
+    global _tick
+
+    now = time.monotonic()
+    _tick += delay
+    if _tick < now:
+        _tick = now
+    else:
+        time.sleep(_tick - now)
+
+
+class GameOver(Exception):
+    pass
+
+
+class Pix:
+    def __init__(self, width=8, height=8, buffer=None):
+        if buffer is None:
+            buffer = bytearray(width * height)
+        self.buffer = buffer
+        self.width = width
+        self.height = height
+
+    @classmethod
+    def from_text(cls, string, color=None, bgcolor=0, colors=None):
+        pix = cls(4 * len(string), 6)
+        font = memoryview(_FONT)
+        if colors is None:
+            if color is None:
+                colors = (3, 2, 1, bgcolor)
+            else:
+                colors = (color, color, bgcolor, bgcolor)
+        x = 0
+        for c in string:
+            index = ord(c) - 0x20
+            if not 0 <= index <= 95:
+                continue
+            row = 0
+            for byte in font[index * 6:index * 6 + 6]:
+                for col in range(4):
+                    pix.pixel(x + col, row, colors[byte & 0x03])
+                    byte >>= 2
+                row += 1
+            x += 4
+        return pix
+
+    @classmethod
+    def from_iter(cls, lines):
+        pix = cls(len(lines[0]), len(lines))
+        y = 0
+        for line in lines:
+            x = 0
+            for pixel in line:
+                pix.pixel(x, y, pixel)
+                x += 1
+            y += 1
+        return pix
+
+    def pixel(self, x, y, color=None):
+        if not 0 <= x < self.width or not 0 <= y < self.height:
+            return 0
+        if color is None:
+            return self.buffer[x + y * self.width]
+        self.buffer[x + y * self.width] = color
+
+    def box(self, color, x=0, y=0, width=None, height=None):
+        x = min(max(x, 0), self.width - 1)
+        y = min(max(y, 0), self.height - 1)
+        width = max(0, min(width or self.width, self.width - x))
+        height = max(0, min(height or self.height, self.height - y))
+        for y in range(y, y + height):
+            xx = y * self.width + x
+            for i in range(width):
+                self.buffer[xx] = color
+                xx += 1
+
+    def blit(self, source, dx=0, dy=0, x=0, y=0,
+             width=None, height=None, key=None):
+        if dx < 0:
+            x -= dx
+            dx = 0
+        if x < 0:
+            dx -= x
+            x = 0
+        if dy < 0:
+            y -= dy
+            dy = 0
+        if y < 0:
+            dy -= y
+            y = 0
+        width = min(min(width or source.width, source.width - x),
+                    self.width - dx)
+        height = min(min(height or source.height, source.height - y),
+                     self.height - dy)
+        source_buffer = memoryview(source.buffer)
+        self_buffer = self.buffer
+        if key is None:
+            for row in range(height):
+                xx = y * source.width + x
+                dxx = dy * self.width + dx
+                self_buffer[dxx:dxx + width] = source_buffer[xx:xx + width]
+                y += 1
+                dy += 1
+        else:
+            for row in range(height):
+                xx = y * source.width + x
+                dxx = dy * self.width + dx
+                for col in range(width):
+                    color = source_buffer[xx]
+                    if color != key:
+                        self_buffer[dxx] = color
+                    dxx += 1
+                    xx += 1
+                y += 1
+                dy += 1
+
+    def __str__(self):
+        return "\n".join(
+            "".join(
+                ('.', '+', '*', '@')[self.pixel(x, y)]
+                for x in range(self.width)
+            )
+            for y in range(self.height)
+        )
+
+
+def init():
+    global _screen, _tick, keys, _rows, _cols
+
+    if _screen is not None:
+        return
+
+    _screen = Pix(8, 8)
+    _tick = time.monotonic()
+
+    _rows = (
+        digitalio.DigitalInOut(board._R1),
+        digitalio.DigitalInOut(board._R2),
+        digitalio.DigitalInOut(board._R3),
+        digitalio.DigitalInOut(board._R4),
+        digitalio.DigitalInOut(board._R5),
+        digitalio.DigitalInOut(board._R6),
+        digitalio.DigitalInOut(board._R7),
+        digitalio.DigitalInOut(board._R8),
+    )
+
+    _cols = (
+        digitalio.DigitalInOut(board._C1),
+        digitalio.DigitalInOut(board._C2),
+        digitalio.DigitalInOut(board._C3),
+        digitalio.DigitalInOut(board._C4),
+        digitalio.DigitalInOut(board._C5),
+        digitalio.DigitalInOut(board._C6),
+        digitalio.DigitalInOut(board._C7),
+        digitalio.DigitalInOut(board._C8),
+    )
+    _buttons = digitalio.DigitalInOut(board._BUTTONS)
+    _pew.PewPew(_screen.buffer, _rows, _cols, _buttons)
+    keys = _pew.get_pressed