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SVP save support

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@352 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-02-08 20:00:32 +00:00
parent 94fc546caa
commit 945c2fdcfd
5 changed files with 85 additions and 24 deletions
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2
Pico/Area.c
View file

@ -174,7 +174,7 @@ int PmovState(int PmovAction, void *PmovFile)
int minimum=0;
unsigned char head[32];
if (PicoMCD & 1)
if ((PicoMCD & 1) || carthw_chunks != NULL)
{
if (PmovAction&1) return PicoCdSaveState(PmovFile);
if (PmovAction&2) return PicoCdLoadState(PmovFile);

1
Pico/Cart.c
View file

@ -497,6 +497,7 @@ int PicoCartInsert(unsigned char *rom,unsigned int romsize)
PicoDmaHook = NULL;
PicoResetHook = NULL;
PicoLineHook = NULL;
carthw_chunks = NULL;
PicoMemReset();

8
Pico/PicoInt.h
View file

@ -367,6 +367,14 @@ PICO_INTERNAL int PicoAreaUnpackCpu(unsigned char *cpu, int is_sub);
PICO_INTERNAL int PicoCdSaveState(void *file);
PICO_INTERNAL int PicoCdLoadState(void *file);
typedef struct {
int chunk;
int size;
void *ptr;
} carthw_state_chunk;
extern carthw_state_chunk *carthw_chunks;
#define CHUNK_CARTHW 64
// Cart.c
PICO_INTERNAL void PicoCartDetect(void);

22
Pico/carthw/svp/svp.c
View file

@ -11,6 +11,22 @@
svp_t *svp = NULL;
int PicoSVPCycles = 1000; // cycles/line
/* save state stuff */
typedef enum {
CHUNK_IRAM = CHUNK_CARTHW,
CHUNK_DRAM,
CHUNK_SSP
} chunk_name_e;
static carthw_state_chunk svp_states[] =
{
{ CHUNK_IRAM, 0x800, NULL },
{ CHUNK_DRAM, sizeof(svp->dram), NULL },
{ CHUNK_SSP, sizeof(svp->ssp1601), NULL },
{ 0, 0, NULL }
};
static void PicoSVPReset(void)
{
elprintf(EL_SVP, "SVP reset");
@ -79,5 +95,11 @@ void PicoSVPInit(void)
PicoDmaHook = PicoSVPDma;
PicoResetHook = PicoSVPReset;
PicoLineHook = PicoSVPLine;
// save state stuff
svp_states[0].ptr = svp->iram_rom;
svp_states[1].ptr = svp->dram;
svp_states[2].ptr = &svp->ssp1601;
carthw_chunks = svp_states;
}

50
Pico/cd/Area.c
View file

@ -10,6 +10,7 @@
// sn76496
extern int *sn76496_regs;
carthw_state_chunk *carthw_chunks;
void (*PicoStateProgressCB)(const char *str) = 0;
@ -38,6 +39,8 @@ typedef enum {
CHUNK_SCD,
CHUNK_RC,
CHUNK_MISC_CD,
CHUNK_DEFAULT_COUNT
// CHUNK_CARTHW = 64, // defined in PicoInt
} chunk_name_e;
@ -81,13 +84,17 @@ static int write_chunk(chunk_name_e name, int len, void *data, void *file)
}
#define CHECKED_WRITE(name,len,data) \
if (PicoStateProgressCB) PicoStateProgressCB(chunk_names[name]); \
if (!write_chunk(name, len, data, file)) return 1;
#define CHECKED_WRITE(name,len,data) { \
if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT) \
PicoStateProgressCB(chunk_names[name]); \
if (!write_chunk(name, len, data, file)) return 1; \
}
#define CHECKED_WRITE_BUFF(name,buff) \
if (PicoStateProgressCB) PicoStateProgressCB(chunk_names[name]); \
if (!write_chunk(name, sizeof(buff), &buff, file)) return 1;
#define CHECKED_WRITE_BUFF(name,buff) { \
if (PicoStateProgressCB && name < CHUNK_DEFAULT_COUNT) \
PicoStateProgressCB(chunk_names[name]); \
if (!write_chunk(name, sizeof(buff), &buff, file)) return 1; \
}
PICO_INTERNAL int PicoCdSaveState(void *file)
{
@ -143,6 +150,13 @@ PICO_INTERNAL int PicoCdSaveState(void *file)
wram_2M_to_1M(Pico_mcd->word_ram2M);
}
if (carthw_chunks != NULL)
{
carthw_state_chunk *chwc;
for (chwc = carthw_chunks; chwc->ptr != NULL; chwc++)
CHECKED_WRITE(chwc->chunk, chwc->size, chwc->ptr);
}
return 0;
}
@ -150,7 +164,7 @@ static int g_read_offs = 0;
#define R_ERROR_RETURN(error) \
{ \
elprintf(EL_STATUS, "PicoCdLoadState @ %x: " error "\n", g_read_offs); \
elprintf(EL_STATUS, "PicoCdLoadState @ %x: " error, g_read_offs); \
return 1; \
}
@ -189,7 +203,8 @@ PICO_INTERNAL int PicoCdLoadState(void *file)
CHECKED_READ(1, buff);
CHECKED_READ(4, &len);
if (len < 0 || len > 1024*512) R_ERROR_RETURN("bad length");
if (buff[0] > CHUNK_FM && !(PicoMCD & 1)) R_ERROR_RETURN("cd chunk in non CD state?");
if (buff[0] > CHUNK_FM && buff[0] <= CHUNK_MISC_CD && !(PicoMCD & 1))
R_ERROR_RETURN("cd chunk in non CD state?");
switch (buff[0])
{
@ -235,12 +250,25 @@ PICO_INTERNAL int PicoCdLoadState(void *file)
case CHUNK_MISC_CD: CHECKED_READ_BUFF(Pico_mcd->m); break;
default:
elprintf(EL_STATUS, "PicoCdLoadState: skipping unknown chunk %i of size %i\n", buff[0], len);
if (carthw_chunks != NULL)
{
carthw_state_chunk *chwc;
for (chwc = carthw_chunks; chwc->ptr != NULL; chwc++) {
if (chwc->chunk == buff[0]) {
CHECKED_READ2(chwc->size, chwc->ptr);
goto breakswitch;
}
}
}
elprintf(EL_STATUS, "PicoCdLoadState: skipping unknown chunk %i of size %i", buff[0], len);
areaSeek(file, len, SEEK_CUR);
break;
}
breakswitch:;
}
if (PicoMCD & 1)
{
/* after load events */
if (Pico_mcd->s68k_regs[3]&4) // 1M mode?
wram_2M_to_1M(Pico_mcd->word_ram2M);
@ -253,6 +281,7 @@ PICO_INTERNAL int PicoCdLoadState(void *file)
mp3_start_play(Pico_mcd->TOC.Tracks[Pico_mcd->m.audio_track].F, Pico_mcd->m.audio_offset);
// restore hint vector
*(unsigned short *)(Pico_mcd->bios + 0x72) = Pico_mcd->m.hint_vector;
}
return 0;
}
@ -273,7 +302,8 @@ int PicoCdLoadStateGfx(void *file)
CHECKED_READ(1, buff);
CHECKED_READ(4, &len);
if (len < 0 || len > 1024*512) R_ERROR_RETURN("bad length");
if (buff[0] > CHUNK_FM && !(PicoMCD & 1)) R_ERROR_RETURN("cd chunk in non CD state?");
if (buff[0] > CHUNK_FM && buff[0] <= CHUNK_MISC_CD && !(PicoMCD & 1))
R_ERROR_RETURN("cd chunk in non CD state?");
switch (buff[0])
{