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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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76
Pico/cd/Area.c
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@ -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)
{
@ -107,14 +114,14 @@ PICO_INTERNAL int PicoCdSaveState(void *file)
CHECKED_WRITE_BUFF(CHUNK_VSRAM, Pico.vsram);
CHECKED_WRITE_BUFF(CHUNK_MISC, Pico.m);
CHECKED_WRITE_BUFF(CHUNK_VIDEO, Pico.video);
if(PicoOpt&7) {
if (PicoOpt&7) {
memset(buff, 0, sizeof(buff));
z80_pack(buff);
CHECKED_WRITE_BUFF(CHUNK_Z80, buff);
}
if(PicoOpt&3)
if (PicoOpt&3)
CHECKED_WRITE(CHUNK_PSG, 28*4, sn76496_regs);
if(PicoOpt&1)
if (PicoOpt&1)
CHECKED_WRITE(CHUNK_FM, 0x200+4, ym2612_regs);
if (PicoMCD & 1)
@ -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])
{
@ -235,24 +250,38 @@ 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:;
}
/* after load events */
if (Pico_mcd->s68k_regs[3]&4) // 1M mode?
wram_2M_to_1M(Pico_mcd->word_ram2M);
PicoMemResetCD(Pico_mcd->s68k_regs[3]);
if (PicoMCD & 1)
{
/* after load events */
if (Pico_mcd->s68k_regs[3]&4) // 1M mode?
wram_2M_to_1M(Pico_mcd->word_ram2M);
PicoMemResetCD(Pico_mcd->s68k_regs[3]);
#ifdef _ASM_CD_MEMORY_C
if (Pico_mcd->s68k_regs[3]&4)
PicoMemResetCDdecode(Pico_mcd->s68k_regs[3]);
if (Pico_mcd->s68k_regs[3]&4)
PicoMemResetCDdecode(Pico_mcd->s68k_regs[3]);
#endif
if (Pico_mcd->m.audio_track > 0 && Pico_mcd->m.audio_track < Pico_mcd->TOC.Last_Track)
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;
if (Pico_mcd->m.audio_track > 0 && Pico_mcd->m.audio_track < Pico_mcd->TOC.Last_Track)
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])
{