mirror of
https://github.com/libretro/beetle-pce-fast-libretro.git
synced 2024-11-23 07:50:03 +00:00
155 lines
3.2 KiB
C
155 lines
3.2 KiB
C
#ifndef __MDFN_ENDIAN_H
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#define __MDFN_ENDIAN_H
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#include <stdio.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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int write16le(uint16_t b, FILE *fp);
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int write32le(uint32_t b, FILE *fp);
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int read32le(uint32_t *Bufo, FILE *fp);
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void Endian_A16_Swap(void *src, uint32_t nelements);
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void Endian_A32_Swap(void *src, uint32_t nelements);
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void Endian_A64_Swap(void *src, uint32_t nelements);
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void Endian_A16_NE_to_LE(void *src, uint32_t nelements);
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void Endian_A32_NE_to_LE(void *src, uint32_t nelements);
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void Endian_A64_NE_to_LE(void *src, uint32_t nelements);
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void Endian_A16_LE_to_NE(void *src, uint32_t nelements);
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void Endian_A16_BE_to_NE(void *src, uint32_t nelements);
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void Endian_A32_LE_to_NE(void *src, uint32_t nelements);
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void Endian_A64_LE_to_NE(void *src, uint32_t nelements);
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void Endian_V_LE_to_NE(void *src, uint32_t bytesize);
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void Endian_V_NE_to_LE(void *src, uint32_t bytesize);
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void FlipByteOrder(uint8_t *src, uint32_t count);
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// The following functions can encode/decode to unaligned addresses.
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static inline void MDFN_en16lsb(uint8_t *buf, uint16_t morp)
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{
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buf[0]=morp;
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buf[1]=morp>>8;
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}
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static inline void MDFN_en24lsb(uint8_t *buf, uint32_t morp)
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{
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buf[0]=morp;
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buf[1]=morp>>8;
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buf[2]=morp>>16;
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}
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static inline void MDFN_en32lsb(uint8_t *buf, uint32_t morp)
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{
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buf[0]=morp;
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buf[1]=morp>>8;
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buf[2]=morp>>16;
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buf[3]=morp>>24;
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}
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static inline void MDFN_en64lsb(uint8_t *buf, uint64_t morp)
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{
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buf[0]=morp >> 0;
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buf[1]=morp >> 8;
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buf[2]=morp >> 16;
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buf[3]=morp >> 24;
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buf[4]=morp >> 32;
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buf[5]=morp >> 40;
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buf[6]=morp >> 48;
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buf[7]=morp >> 56;
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}
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static inline void MDFN_en16msb(uint8_t *buf, uint16_t morp)
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{
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buf[0] = morp >> 8;
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buf[1] = morp;
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}
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static inline void MDFN_en24msb(uint8_t *buf, uint32_t morp)
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{
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buf[0] = morp >> 16;
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buf[1] = morp >> 8;
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buf[2] = morp;
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}
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static inline void MDFN_en32msb(uint8_t *buf, uint32_t morp)
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{
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buf[0] = morp >> 24;
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buf[1] = morp >> 16;
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buf[2] = morp >> 8;
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buf[3] = morp;
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}
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static inline void MDFN_en64msb(uint8_t *buf, uint64_t morp)
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{
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buf[0] = morp >> 56;
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buf[1] = morp >> 48;
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buf[2] = morp >> 40;
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buf[3] = morp >> 32;
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buf[4] = morp >> 24;
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buf[5] = morp >> 16;
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buf[6] = morp >> 8;
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buf[7] = morp >> 0;
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}
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static inline uint16_t MDFN_de16lsb(const uint8_t *morp)
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{
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return(morp[0] | (morp[1] << 8));
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}
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static inline uint32_t MDFN_de24lsb(const uint8_t *morp)
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{
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return(morp[0]|(morp[1]<<8)|(morp[2]<<16));
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}
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static inline uint32_t MDFN_de32lsb(const uint8_t *morp)
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{
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return(morp[0]|(morp[1]<<8)|(morp[2]<<16)|(morp[3]<<24));
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}
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static inline uint64_t MDFN_de64lsb(const uint8_t *morp)
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{
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uint64_t ret = 0;
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ret |= (uint64_t)morp[0];
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ret |= (uint64_t)morp[1] << 8;
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ret |= (uint64_t)morp[2] << 16;
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ret |= (uint64_t)morp[3] << 24;
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ret |= (uint64_t)morp[4] << 32;
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ret |= (uint64_t)morp[5] << 40;
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ret |= (uint64_t)morp[6] << 48;
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ret |= (uint64_t)morp[7] << 56;
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return(ret);
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}
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static inline uint16_t MDFN_de16msb(const uint8_t *morp)
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{
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return(morp[1] | (morp[0] << 8));
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}
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static inline uint32_t MDFN_de24msb(const uint8_t *morp)
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{
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return((morp[2]<<0)|(morp[1]<<8)|(morp[0]<<16));
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}
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static inline uint32_t MDFN_de32msb(const uint8_t *morp)
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{
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return(morp[3]|(morp[2]<<8)|(morp[1]<<16)|(morp[0]<<24));
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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