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apps: gameoflife: Better pixel colour selection

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This commit is contained in:
Daniel Thompson 2020-05-18 22:19:19 +01:00
parent 7f6b1b9059
commit 60bb43e87b
1 changed files with 5 additions and 5 deletions
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10
wasp/apps/gameoflife.py
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@ -36,11 +36,11 @@ def xorshift12(v: int) -> int:
@micropython.viper
def get_color(v: int) -> int:
r = v >> 10
g = (v >> 8) & 7
b = (v >> 5) & 3
return (r << 13) | (g << 7) | (b << 1) | 0x9c73
"""Convert a 12-bit number into a reasonably bright RGB565 pixel"""
rgb = v ^ (v << 4)
while 0 == (rgb & 0xc710):
rgb += 0x2104
return rgb
@micropython.viper
def get_cell(board, stride: int, x: int, y: int) -> bool: