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(svn r23) -Some omments on the code (blathijs)

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darkvater
2004-08-11 22:07:08 +00:00
parent 6679afc48a
commit f422014960
11 changed files with 69 additions and 10 deletions
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9
macros.h
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@@ -130,7 +130,14 @@ extern uint SafeTileAdd(uint x, int add, const char *exp, const char *file, int
#define SPRITE_PALETTE(x) ((x) + 0x8000)
extern const byte _ffb_64[128];
/* Returns the position of the first bit that is not zero, counted from the
* left. Ie, 10110100 returns 2, 00000001 returns 0, etc. When x == 0 returns
* 0.
*/
#define FIND_FIRST_BIT(x) _ffb_64[(x)]
/* Returns x with the first bit that is not zero, counted from the left, set
* to zero. So, 10110100 returns 10110000, 00000001 returns 00000000, etc.
*/
#define KILL_FIRST_BIT(x) _ffb_64[(x)+64]
static INLINE int FindFirstBit2x64(int value)
@@ -212,4 +219,6 @@ static INLINE void WRITE_LE_UINT16(const void *b, uint16 x) {
((byte*)b)[1] = (byte)(x >> 8);
}
#define MAX_DETOUR 6
#endif /* MACROS_H */