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add big endian platform support

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This commit is contained in:
kub 2021-02-22 22:25:03 +01:00
parent b053cb2044
commit 57c5a5e505
21 changed files with 224 additions and 178 deletions
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24
cpu/cz80/cz80.h
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@ -21,36 +21,38 @@
extern "C" {
#endif
#include <pico/pico_port.h>
/******************************/
/* Compiler dependant defines */
/******************************/
#ifndef UINT8
#define UINT8 unsigned char
#define UINT8 u8
#endif
#ifndef INT8
#define INT8 signed char
#define INT8 s8
#endif
#ifndef UINT16
#define UINT16 unsigned short
#define UINT16 u16
#endif
#ifndef INT16
#define INT16 signed short
#define INT16 s16
#endif
#ifndef UINT32
#define UINT32 unsigned int
#define UINT32 u32
#endif
#ifndef INT32
#define INT32 signed int
#define INT32 s32
#endif
#ifndef FPTR
#define FPTR uintptr_t
#define FPTR uptr
#endif
/*************************************/
@ -62,16 +64,16 @@ extern "C" {
#define CZ80_FETCH_SFT (16 - CZ80_FETCH_BITS)
#define CZ80_FETCH_BANK (1 << CZ80_FETCH_BITS)
#define PICODRIVE_HACKS 1
#define CZ80_LITTLE_ENDIAN 1
#define PICODRIVE_HACKS 1
#define CZ80_LITTLE_ENDIAN CPU_IS_LE
#define CZ80_USE_JUMPTABLE 1
#define CZ80_BIG_FLAGS_ARRAY 1
#define CZ80_BIG_FLAGS_ARRAY 1
//#ifdef BUILD_CPS1PSP
//#define CZ80_ENCRYPTED_ROM 1
//#else
#define CZ80_ENCRYPTED_ROM 0
//#endif
#define CZ80_EMULATE_R_EXACTLY 1
#define CZ80_EMULATE_R_EXACTLY 1
#define zR8(A) (*CPU->pzR8[A])
#define zR16(A) (CPU->pzR16[A]->W)