int YM2612PicoStateLoad2_940(int *tat, int *tbt)
{
UINT8 *ym_remote_regs, *ym_local_regs;
ym_local_regs = YM2612GetRegs();
ym_remote_regs = (UINT8 *) shared_ctl->writebuff0;
if (*(UINT32 *)(ym_local_regs + 0x100) != 0x41534d59)
return -1;
*tat = *(INT32 *)(ym_local_regs + 0x108);
*tbt = *(INT32 *)(ym_local_regs + 0x10c);
if (CHECK_BUSY(JOB940_YM2612UPDATEONE)) wait_busy_940(JOB940_YM2612UPDATEONE);
/* flush writes */
if (shared_ctl->writebuffsel == 1) {
shared_ctl->writebuff0[writebuff_ptr & 0xffff] = 0xffff;
} else {
shared_ctl->writebuff1[writebuff_ptr & 0xffff] = 0xffff;
}
shared_ctl->writebuffsel ^= 1;
writebuff_ptr = 0;
add_job_940(JOB940_PICOSTATELOAD2_PREP);
if (CHECK_BUSY(JOB940_PICOSTATELOAD2_PREP)) wait_busy_940(JOB940_PICOSTATELOAD2_PREP);
memcpy(ym_remote_regs, ym_local_regs, 0x200);
add_job_940(JOB940_PICOSTATELOAD2);
if (CHECK_BUSY(JOB940_PICOSTATELOAD2)) wait_busy_940(JOB940_PICOSTATELOAD2);
return 0;
}
PICO_INTERNAL int PicoCdSaveState(void *file)
{
unsigned char buff[0x60];
void *ym2612_regs = YM2612GetRegs();
areaWrite("PicoSMCD", 1, 8, file);
areaWrite(&PicoVer, 1, 4, file);
memset(buff, 0, sizeof(buff));
PicoAreaPackCpu(buff, 0);
CHECKED_WRITE_BUFF(CHUNK_M68K, buff);
CHECKED_WRITE_BUFF(CHUNK_RAM, Pico.ram);
CHECKED_WRITE_BUFF(CHUNK_VRAM, Pico.vram);
CHECKED_WRITE_BUFF(CHUNK_ZRAM, Pico.zram);
CHECKED_WRITE_BUFF(CHUNK_CRAM, Pico.cram);
CHECKED_WRITE_BUFF(CHUNK_VSRAM, Pico.vsram);
CHECKED_WRITE_BUFF(CHUNK_MISC, Pico.m);
CHECKED_WRITE_BUFF(CHUNK_VIDEO, Pico.video);
if(PicoOpt&7) {
memset(buff, 0, sizeof(buff));
z80_pack(buff);
CHECKED_WRITE_BUFF(CHUNK_Z80, buff);
}
if(PicoOpt&3)
CHECKED_WRITE(CHUNK_PSG, 28*4, sn76496_regs);
if(PicoOpt&1)
CHECKED_WRITE(CHUNK_FM, 0x200+4, ym2612_regs);
if (PicoMCD & 1)
{
Pico_mcd->m.audio_offset = mp3_get_offset();
memset(buff, 0, sizeof(buff));
PicoAreaPackCpu(buff, 1);
if (Pico_mcd->s68k_regs[3]&4) // 1M mode?
wram_1M_to_2M(Pico_mcd->word_ram2M);
Pico_mcd->m.hint_vector = *(unsigned short *)(Pico_mcd->bios + 0x72);
CHECKED_WRITE_BUFF(CHUNK_S68K, buff);
CHECKED_WRITE_BUFF(CHUNK_PRG_RAM, Pico_mcd->prg_ram);
CHECKED_WRITE_BUFF(CHUNK_WORD_RAM, Pico_mcd->word_ram2M); // in 2M format
CHECKED_WRITE_BUFF(CHUNK_PCM_RAM, Pico_mcd->pcm_ram);
CHECKED_WRITE_BUFF(CHUNK_BRAM, Pico_mcd->bram);
CHECKED_WRITE_BUFF(CHUNK_GA_REGS, Pico_mcd->s68k_regs); // GA regs, not CPU regs
CHECKED_WRITE_BUFF(CHUNK_PCM, Pico_mcd->pcm);
CHECKED_WRITE_BUFF(CHUNK_CDD, Pico_mcd->cdd);
CHECKED_WRITE_BUFF(CHUNK_CDC, Pico_mcd->cdc);
CHECKED_WRITE_BUFF(CHUNK_SCD, Pico_mcd->scd);
CHECKED_WRITE_BUFF(CHUNK_RC, Pico_mcd->rot_comp);
CHECKED_WRITE_BUFF(CHUNK_MISC_CD, Pico_mcd->m);
if (Pico_mcd->s68k_regs[3]&4) // convert back
wram_2M_to_1M(Pico_mcd->word_ram2M);
}
return 0;
}
void YM2612PicoStateLoad_940(void)
{
UINT8 *REGS = YM2612GetRegs();
/* make sure JOB940_PICOSTATELOAD gets done before next JOB940_YM2612UPDATEONE */
add_job_940(JOB940_PICOSTATELOAD);
if (CHECK_BUSY(JOB940_PICOSTATELOAD)) wait_busy_940(JOB940_PICOSTATELOAD);
writebuff_ptr = 0;
addr_A1 = *(INT32 *) (REGS + 0x200);
}
void YM2612PicoStateSave2_940(int tat, int tbt)
{
UINT8 *ym_remote_regs, *ym_local_regs;
add_job_940(JOB940_PICOSTATESAVE2);
if (CHECK_BUSY(JOB940_PICOSTATESAVE2)) wait_busy_940(JOB940_PICOSTATESAVE2);
ym_remote_regs = (UINT8 *) shared_ctl->writebuff0;
ym_local_regs = YM2612GetRegs();
if (*(UINT32 *)(ym_remote_regs + 0x100) != 0x41534d59) {
printf("code940 didn't return valid save data\n");
return;
}
/* copy addin data only */
memcpy(ym_local_regs, ym_remote_regs, 0x20);
memcpy(ym_local_regs + 0x100, ym_remote_regs + 0x100, 0x30);
memcpy(ym_local_regs + 0x0b8, ym_remote_regs + 0x0b8, 0x48);
memcpy(ym_local_regs + 0x1b8, ym_remote_regs + 0x1b8, 0x48);
*(INT32 *)(ym_local_regs + 0x108) = tat;
*(INT32 *)(ym_local_regs + 0x10c) = tbt;
}
PICO_INTERNAL int PicoCdLoadState(void *file)
{
unsigned char buff[0x60];
int ver, len;
void *ym2612_regs = YM2612GetRegs();
g_read_offs = 0;
CHECKED_READ(8, buff);
if (strncmp((char *)buff, "PicoSMCD", 8)) R_ERROR_RETURN("bad header");
CHECKED_READ(4, &ver);
while (!areaEof(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?");
switch (buff[0])
{
case CHUNK_M68K:
CHECKED_READ_BUFF(buff);
PicoAreaUnpackCpu(buff, 0);
break;
case CHUNK_Z80:
CHECKED_READ_BUFF(buff);
z80_unpack(buff);
break;
case CHUNK_RAM: CHECKED_READ_BUFF(Pico.ram); break;
case CHUNK_VRAM: CHECKED_READ_BUFF(Pico.vram); break;
case CHUNK_ZRAM: CHECKED_READ_BUFF(Pico.zram); break;
case CHUNK_CRAM: CHECKED_READ_BUFF(Pico.cram); break;
case CHUNK_VSRAM: CHECKED_READ_BUFF(Pico.vsram); break;
case CHUNK_MISC: CHECKED_READ_BUFF(Pico.m); break;
case CHUNK_VIDEO: CHECKED_READ_BUFF(Pico.video); break;
case CHUNK_PSG: CHECKED_READ2(28*4, sn76496_regs); break;
case CHUNK_FM:
CHECKED_READ2(0x200+4, ym2612_regs);
YM2612PicoStateLoad();
break;
// cd stuff
case CHUNK_S68K:
CHECKED_READ_BUFF(buff);
PicoAreaUnpackCpu(buff, 1);
break;
case CHUNK_PRG_RAM: CHECKED_READ_BUFF(Pico_mcd->prg_ram); break;
case CHUNK_WORD_RAM: CHECKED_READ_BUFF(Pico_mcd->word_ram2M); break;
case CHUNK_PCM_RAM: CHECKED_READ_BUFF(Pico_mcd->pcm_ram); break;
case CHUNK_BRAM: CHECKED_READ_BUFF(Pico_mcd->bram); break;
case CHUNK_GA_REGS: CHECKED_READ_BUFF(Pico_mcd->s68k_regs); break;
case CHUNK_PCM: CHECKED_READ_BUFF(Pico_mcd->pcm); break;
case CHUNK_CDD: CHECKED_READ_BUFF(Pico_mcd->cdd); break;
case CHUNK_CDC: CHECKED_READ_BUFF(Pico_mcd->cdc); break;
case CHUNK_SCD: CHECKED_READ_BUFF(Pico_mcd->scd); break;
case CHUNK_RC: CHECKED_READ_BUFF(Pico_mcd->rot_comp); break;
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);
areaSeek(file, len, SEEK_CUR);
break;
}
}
/* 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]);
#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;
return 0;
}
