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Merge pull request #8 from OldBoredEE/main
Resolve region unlocking issues
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Original file line number | Diff line number | Diff line change |
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@@ -1,9 +1,32 @@ | ||
#ifndef UTILS_H_INCLUDED | ||
#define UTILS_H_INCLUDED | ||
#include <math.h> | ||
#include "stdlib.h" | ||
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extern inline int tobcd(int in); | ||
extern inline uint32_t reverseBits(uint32_t num, int bits); | ||
extern inline int track_to_sector(int track); | ||
extern inline int sectors_per_track(int track); | ||
inline int tobcd(int in) { | ||
if (in > 99) { | ||
return 0x99; | ||
} else { | ||
return (in / 10) << 4 | (in % 10); | ||
} | ||
} | ||
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inline uint32_t reverseBits(uint32_t num, int bits) { | ||
uint32_t NO_OF_BITS = bits; | ||
uint32_t reverse_num = 0; | ||
int i; | ||
for (i = 0; i < NO_OF_BITS; i++) { | ||
if ((num & (1 << i))) | ||
reverse_num |= 1 << ((NO_OF_BITS - 1) - i); | ||
} | ||
return reverse_num; | ||
} | ||
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inline int track_to_sector(int track) { | ||
return pow(track, 2) * 0.00031499 + track * 9.357516535; | ||
} | ||
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inline int sectors_per_track(int track) { | ||
return round(track * 0.000616397 + 9); | ||
} | ||
#endif |