beetle-pce-fast-libretro/mednafen/mednafen-endian.h
2020-10-06 14:38:46 +02:00

58 lines
1.3 KiB
C

#ifndef __MDFN_ENDIAN_H
#define __MDFN_ENDIAN_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
void Endian_A16_Swap(void *src, uint32_t nelements);
void Endian_A32_Swap(void *src, uint32_t nelements);
void Endian_A64_Swap(void *src, uint32_t nelements);
void Endian_A16_NE_to_LE(void *src, uint32_t nelements);
void Endian_A32_NE_to_LE(void *src, uint32_t nelements);
void Endian_A64_NE_to_LE(void *src, uint32_t nelements);
void Endian_A16_LE_to_NE(void *src, uint32_t nelements);
void Endian_A32_LE_to_NE(void *src, uint32_t nelements);
void Endian_A64_LE_to_NE(void *src, uint32_t nelements);
void Endian_V_LE_to_NE(void *src, uint32_t bytesize);
void Endian_V_NE_to_LE(void *src, uint32_t bytesize);
void FlipByteOrder(uint8_t *src, uint32_t count);
// The following functions can encode/decode to unaligned addresses.
static INLINE void MDFN_en16lsb(uint8_t *buf, uint16_t morp)
{
buf[0]=morp;
buf[1]=morp>>8;
}
static INLINE void MDFN_en32lsb(uint8_t *buf, uint32_t morp)
{
buf[0]=morp;
buf[1]=morp>>8;
buf[2]=morp>>16;
buf[3]=morp>>24;
}
static INLINE uint16_t MDFN_de16lsb(const uint8_t *morp)
{
return(morp[0] | (morp[1] << 8));
}
static INLINE uint32_t MDFN_de32lsb(const uint8_t *morp)
{
return(morp[0]|(morp[1]<<8)|(morp[2]<<16)|(morp[3]<<24));
}
#ifdef __cplusplus
}
#endif
#endif