20 lines
401 B
Text
20 lines
401 B
Text
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local fmt = require "fmt"
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local function to_gray(n) return n ~ (n >> 1) end
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local function from_gray(g)
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local b = 0
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while g != 0 do
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b ~= g
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g >>= 1
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end
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return b
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end
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print("decimal binary gray decoded")
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for b = 0, 31 do
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fmt.write(" %2d %05d", b, fmt.bin(b))
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local g = to_gray(b)
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fmt.print(" %05d %05d", fmt.bin(g), fmt.bin(from_gray(g)))
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end
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