mirror of
https://github.com/libretro/beetle-psx-libretro.git
synced 2024-11-23 08:49:47 +00:00
118 lines
3.7 KiB
C++
118 lines
3.7 KiB
C++
#ifndef _STATE_H
|
|
#define _STATE_H
|
|
|
|
#include <retro_inline.h>
|
|
|
|
typedef struct
|
|
{
|
|
uint8_t *data;
|
|
uint32_t loc;
|
|
uint32_t len;
|
|
uint32_t malloced;
|
|
uint32_t initial_malloc; // A setting!
|
|
} StateMem;
|
|
|
|
// Eh, we abuse the smem_* in-memory stream code
|
|
// in a few other places. :)
|
|
int32_t smem_read(StateMem *st, void *buffer, uint32_t len);
|
|
int32_t smem_write(StateMem *st, void *buffer, uint32_t len);
|
|
int32_t smem_putc(StateMem *st, int value);
|
|
int32_t smem_seek(StateMem *st, uint32_t offset, int whence);
|
|
int smem_write32le(StateMem *st, uint32_t b);
|
|
int smem_read32le(StateMem *st, uint32_t *b);
|
|
|
|
int MDFNSS_SaveSM(void *st, int, int, const void*, const void*, const void*);
|
|
int MDFNSS_LoadSM(void *st, int, int);
|
|
|
|
// Flag for a single, >= 1 byte native-endian variable
|
|
#define MDFNSTATE_RLSB 0x80000000
|
|
|
|
// 32-bit native-endian elements
|
|
#define MDFNSTATE_RLSB32 0x40000000
|
|
|
|
// 16-bit native-endian elements
|
|
#define MDFNSTATE_RLSB16 0x20000000
|
|
|
|
// 64-bit native-endian elements
|
|
#define MDFNSTATE_RLSB64 0x10000000
|
|
|
|
#define MDFNSTATE_BOOL 0x08000000
|
|
|
|
typedef struct {
|
|
void *v; // Pointer to the variable/array
|
|
uint32_t size; // Length, in bytes, of the data to be saved EXCEPT:
|
|
// In the case of MDFNSTATE_BOOL, it is the number of bool elements to save(bool is not always 1-byte).
|
|
// If 0, the subchunk isn't saved.
|
|
uint32_t flags; // Flags
|
|
const char *name; // Name
|
|
} SFORMAT;
|
|
|
|
INLINE bool SF_IS_BOOL(bool *) { return(1); }
|
|
INLINE bool SF_IS_BOOL(void *) { return(0); }
|
|
|
|
INLINE uint32_t SF_FORCE_AB(bool *) { return(0); }
|
|
|
|
INLINE uint32_t SF_FORCE_A8(int8_t *) { return(0); }
|
|
INLINE uint32_t SF_FORCE_A8(uint8_t *) { return(0); }
|
|
|
|
INLINE uint32_t SF_FORCE_A16(int16_t *) { return(0); }
|
|
INLINE uint32_t SF_FORCE_A16(uint16_t *) { return(0); }
|
|
|
|
INLINE uint32_t SF_FORCE_A32(int32_t *) { return(0); }
|
|
INLINE uint32_t SF_FORCE_A32(uint32_t *) { return(0); }
|
|
|
|
INLINE uint32_t SF_FORCE_A64(int64_t *) { return(0); }
|
|
INLINE uint32_t SF_FORCE_A64(uint64_t *) { return(0); }
|
|
|
|
INLINE uint32_t SF_FORCE_D(double *) { return(0); }
|
|
|
|
#define SFVARN(x, n) { &(x), SF_IS_BOOL(&(x)) ? 1 : (uint32_t)sizeof(x), MDFNSTATE_RLSB | (SF_IS_BOOL(&(x)) ? MDFNSTATE_BOOL : 0), n }
|
|
#define SFVAR(x) SFVARN((x), #x)
|
|
|
|
#define SFARRAYN(x, l, n) { (x), (uint32_t)(l), 0 | SF_FORCE_A8(x), n }
|
|
#define SFARRAY(x, l) SFARRAYN((x), (l), #x)
|
|
|
|
#define SFARRAYBN(x, l, n) { (x), (uint32_t)(l), MDFNSTATE_BOOL | SF_FORCE_AB(x), n }
|
|
#define SFARRAYB(x, l) SFARRAYBN((x), (l), #x)
|
|
|
|
#define SFARRAY16N(x, l, n) { (x), (uint32_t)((l) * sizeof(uint16_t)), MDFNSTATE_RLSB16 | SF_FORCE_A16(x), n }
|
|
#define SFARRAY16(x, l) SFARRAY16N((x), (l), #x)
|
|
|
|
#define SFARRAY32N(x, l, n) { (x), (uint32_t)((l) * sizeof(uint32_t)), MDFNSTATE_RLSB32 | SF_FORCE_A32(x), n }
|
|
#define SFARRAY32(x, l) SFARRAY32N((x), (l), #x)
|
|
|
|
#define SFARRAY64N(x, l, n) { (x), (uint32_t)((l) * sizeof(uint64_t)), MDFNSTATE_RLSB64 | SF_FORCE_A64(x), n }
|
|
#define SFARRAY64(x, l) SFARRAY64N((x), (l), #x)
|
|
|
|
#define SFARRAYDN(x, l, n) { (x), (uint32_t)((l) * 8), MDFNSTATE_RLSB64 | SF_FORCE_D(x), n }
|
|
#define SFARRAYD(x, l) SFARRAYDN((x), (l), #x)
|
|
|
|
#define SFEND { 0, 0, 0, 0 }
|
|
|
|
#include <vector>
|
|
|
|
// State-Section Descriptor
|
|
class SSDescriptor
|
|
{
|
|
public:
|
|
SSDescriptor(SFORMAT *n_sf, const char *n_name, bool n_optional = 0)
|
|
{
|
|
sf = n_sf;
|
|
name = n_name;
|
|
optional = n_optional;
|
|
}
|
|
~SSDescriptor(void)
|
|
{
|
|
|
|
}
|
|
|
|
SFORMAT *sf;
|
|
const char *name;
|
|
bool optional;
|
|
};
|
|
|
|
int MDFNSS_StateAction(void *st, int load, int data_only, std::vector <SSDescriptor> §ions);
|
|
int MDFNSS_StateAction(void *st, int load, int data_only, SFORMAT *sf, const char *name, bool optional = 0);
|
|
|
|
#endif
|