mirror of https://github.com/n64decomp/mk64.git
30 lines
976 B
C
30 lines
976 B
C
#ifndef MK64_H
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#define MK64_H
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// Global header for Mario Kart 64
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#include <types.h>
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#include "config.h"
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// Pointer casting is technically UB, and avoiding it gets rid of endian issues
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// as well as a nice side effect.
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#ifdef AVOID_UB
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#define GET_HIGH_U16_OF_32(var) ((u16)((var) >> 16))
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#define GET_HIGH_S16_OF_32(var) ((s16)((var) >> 16))
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#define GET_LOW_U16_OF_32(var) ((u16)((var) & 0xFFFF))
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#define GET_LOW_S16_OF_32(var) ((s16)((var) & 0xFFFF))
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#define SET_HIGH_U16_OF_32(var, x) ((var) = ((var) & 0xFFFF) | ((x) << 16))
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#define SET_HIGH_S16_OF_32(var, x) ((var) = ((var) & 0xFFFF) | ((x) << 16))
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#else
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#define GET_HIGH_U16_OF_32(var) (((u16 *)&(var))[0])
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#define GET_HIGH_S16_OF_32(var) (((s16 *)&(var))[0])
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#define GET_LOW_U16_OF_32(var) (((u16 *)&(var))[1])
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#define GET_LOW_S16_OF_32(var) (((s16 *)&(var))[1])
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#define SET_HIGH_U16_OF_32(var, x) ((((u16 *)&(var))[0]) = (x))
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#define SET_HIGH_S16_OF_32(var, x) ((((s16 *)&(var))[0]) = (x))
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#endif
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#endif // MK64_H
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