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| 1 | component gray2bin "convert a gray-code input to binary"; | |
| 2 | ||
| 3 | pin in unsigned in "gray code in"; | |
| 4 | pin out unsigned out "gray code out"; | |
| 5 | ||
| 6 | license "GPL"; | |
| 7 | author "andy pugh"; | |
| 8 | function _; | |
| 9 | ||
| 10 | ;; | |
| 11 | ||
| 12 | u32 mask; | |
| 13 | - | for(mask = in >> 1 ; mask != 0 ; mask = mask >> 1){
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| 13 | + | u32 num = in; |
| 14 | - | out ^= mask; |
| 14 | + | for(mask = num >> 1 ; mask != 0 ; mask = mask >> 1){
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| 15 | - | } |
| 15 | + | num ^= mask; |
| 16 | } | |
| 17 | out = num; |
