mirror of https://github.com/mgba-emu/mgba.git
Tools: Spit out dotcodes that mGBA can read
This commit is contained in:
Vicki Pfau
parent
4bb8744cd5
commit
2e0c245e2d
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@ -34,8 +34,6 @@ for i in range(16):
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for i in range(16):
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gg[i] = rev[gg[i]]
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print(*[hex(x) for x in gg])
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def interleave(data, header):
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data = data.reshape([-1, 48]).T
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new_data = np.zeros((64, data.shape[1]), dtype=data.dtype)
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@ -88,67 +86,69 @@ def bin2raw(data):
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new_data = interleave(np.frombuffer(data, np.uint8), header)
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return new_data.tobytes()
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with open(sys.argv[1], 'rb') as f:
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data = f.read()
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size = len(data)
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if size in (1344, 2112):
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data = bin2raw(data)
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def make_dotcode(data):
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size = len(data)
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with open('dotcode.raw', 'wb') as f:
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f.write(data)
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blocks = size // blocksize
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height = 36
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width = 35
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margin = 2
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if size in (1344, 2112):
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data = bin2raw(data)
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size = len(data)
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dots = np.zeros((width * blocks + margin * 2 + 1, height + margin * 2), dtype=np.bool)
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anchor = np.array([[0, 1, 1, 1, 0],
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[1, 1, 1, 1, 1],
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[1, 1, 1, 1, 1],
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[1, 1, 1, 1, 1],
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[0, 1, 1, 1, 0]], dtype=np.bool)
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alignment = np.array([1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0], dtype=np.bool)
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nybbles = [[0, 0, 0, 0, 0], [0, 0, 0, 0, 1], [0, 0, 0, 1, 0], [1, 0, 0, 1, 0],
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[0, 0, 1, 0, 0], [0, 0, 1, 0, 1], [0, 0, 1, 1, 0], [1, 0, 1, 1, 0],
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[0, 1, 0, 0, 0], [0, 1, 0, 0, 1], [0, 1, 0, 1, 0], [1, 0, 1, 0, 0],
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[0, 1, 1, 0, 0], [0, 1, 1, 0, 1], [1, 0, 0, 0, 1], [1, 0, 0, 0, 0]]
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addr = [0x03FF]
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for i in range(1, 54):
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addr.append(addr[i - 1] ^ ((i & -i) * 0x769))
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if (i & 0x07) == 0:
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addr[i] ^= 0x769
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if (i & 0x0F) == 0:
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addr[i] ^= 0x769 << 1
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if (i & 0x1F) == 0:
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addr[i] ^= (0x769 << 2) ^ 0x769
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blocks = size // blocksize
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height = 36
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width = 35
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margin = 2
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base = 1 if blocks == 18 else 25
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for i in range(blocks + 1):
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dots[i * width:i * width + 5, 0:5] = anchor
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dots[i * width:i * width + 5, height + margin * 2 - 5:height + margin * 2] = anchor
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dots[i * width + margin, margin + 5] = 1
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a = addr[base + i]
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for j in range(16):
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dots[i * width + margin, margin + 14 + j] = a & (1 << (15 - j))
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for i in range(blocks):
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dots[i * width:(i + 1) * width, margin] = alignment
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dots[i * width:(i + 1) * width, height + margin - 1] = alignment
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block = []
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for byte in data[i * blocksize:(i + 1) * blocksize]:
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block.extend(nybbles[byte >> 4])
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block.extend(nybbles[byte & 0xF])
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j = 0
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for y in range(3):
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dots[i * width + margin + 5:i * width + margin + 31, margin + 2 + y] = block[j:j + 26]
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j += 26
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for y in range(26):
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dots[i * width + margin + 1:i * width + margin + 35, margin + 5 + y] = block[j:j + 34]
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j += 34
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for y in range(3):
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dots[i * width + margin + 5:i * width + margin + 31, margin + 31 + y] = block[j:j + 26]
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j += 26
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im = PIL.Image.fromarray(dots.T)
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dots = np.zeros((width * blocks + margin * 2 + 1, height + margin * 2), dtype=bool)
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anchor = np.array([[0, 1, 1, 1, 0],
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[1, 1, 1, 1, 1],
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[1, 1, 1, 1, 1],
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[1, 1, 1, 1, 1],
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[0, 1, 1, 1, 0]], dtype=bool)
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alignment = np.array([1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0], dtype=bool)
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nybbles = [[0, 0, 0, 0, 0], [0, 0, 0, 0, 1], [0, 0, 0, 1, 0], [1, 0, 0, 1, 0],
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[0, 0, 1, 0, 0], [0, 0, 1, 0, 1], [0, 0, 1, 1, 0], [1, 0, 1, 1, 0],
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[0, 1, 0, 0, 0], [0, 1, 0, 0, 1], [0, 1, 0, 1, 0], [1, 0, 1, 0, 0],
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[0, 1, 1, 0, 0], [0, 1, 1, 0, 1], [1, 0, 0, 0, 1], [1, 0, 0, 0, 0]]
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addr = [0x03FF]
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for i in range(1, 54):
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addr.append(addr[i - 1] ^ ((i & -i) * 0x769))
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if (i & 0x07) == 0:
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addr[i] ^= 0x769
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if (i & 0x0F) == 0:
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addr[i] ^= 0x769 << 1
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if (i & 0x1F) == 0:
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addr[i] ^= (0x769 << 2) ^ 0x769
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base = 1 if blocks == 18 else 25
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for i in range(blocks + 1):
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dots[i * width:i * width + 5, 0:5] = anchor
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dots[i * width:i * width + 5, height + margin * 2 - 5:height + margin * 2] = anchor
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dots[i * width + margin, margin + 5] = 1
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a = addr[base + i]
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for j in range(16):
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dots[i * width + margin, margin + 14 + j] = a & (1 << (15 - j))
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for i in range(blocks):
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dots[i * width:(i + 1) * width, margin] = alignment
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dots[i * width:(i + 1) * width, height + margin - 1] = alignment
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block = []
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for byte in data[i * blocksize:(i + 1) * blocksize]:
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block.extend(nybbles[byte >> 4])
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block.extend(nybbles[byte & 0xF])
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j = 0
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for y in range(3):
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dots[i * width + margin + 5:i * width + margin + 31, margin + 2 + y] = block[j:j + 26]
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j += 26
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for y in range(26):
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dots[i * width + margin + 1:i * width + margin + 35, margin + 5 + y] = block[j:j + 34]
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j += 34
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for y in range(3):
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dots[i * width + margin + 5:i * width + margin + 31, margin + 31 + y] = block[j:j + 26]
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j += 26
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return np.pad(dots.T, 2)
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with open(sys.argv[1], 'rb') as f:
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dots = make_dotcode(f.read())
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im = PIL.Image.fromarray(dots)
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im = PIL.ImageChops.invert(im)
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im.save('dotcode.png')
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im.save('dotcode.bmp')
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