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; }
PICO_INTERNAL int PicoCdLoadState(void *file) { unsigned char buff[0x60]; int ver, len; 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; // 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; }