public void Synth(SectorSynthJob job) { //be lazy, just generate the whole sector unconditionally //this is mostly based on mednafen's approach, which was probably finely tailored for PSX //heres the comments on the subject: // I'm not trusting that the "control" field for the TOC leadout entry will always be set properly, so | the control fields for the last track entry // and the leadout entry together before extracting the D2 bit. Audio track->data leadout is fairly benign though maybe noisy(especially if we ever implement // data scrambling properly), but data track->audio leadout could break things in an insidious manner for the more accurate drive emulation code). var ses = job.Disc.Structure.Sessions[SessionNumber]; int lba_relative = job.LBA - ses.LeadoutTrack.LBA; //data is zero int ts = lba_relative; int ats = job.LBA; const int ADR = 0x1; // Q channel data encodes position EControlQ control = ses.LeadoutTrack.Control; //ehhh? CDI? //if(toc.tracks[toc.last_track].valid) // control |= toc.tracks[toc.last_track].control & 0x4; //else if(toc.disc_type == DISC_TYPE_CD_I) // control |= 0x4; control |= (EControlQ)(((int)ses.LastInformationTrack.Control) & 4); SubchannelQ sq = new SubchannelQ(); sq.SetStatus(ADR, control); sq.q_tno.BCDValue = 0xAA; sq.q_index.BCDValue = 0x01; sq.Timestamp = ts; sq.AP_Timestamp = ats; sq.zero = 0; //finally, rely on a gap sector to do the heavy lifting to synthesize this DiscFormats.CUE.CueTrackType TrackType = DiscFormats.CUE.CueTrackType.Audio; if (ses.LeadoutTrack.IsData) { if (job.Disc.TOC.Session1Format == SessionFormat.Type20_CDXA || job.Disc.TOC.Session1Format == SessionFormat.Type10_CDI) { TrackType = DiscFormats.CUE.CueTrackType.Mode2_2352; } else { TrackType = DiscFormats.CUE.CueTrackType.Mode1_2352; } } DiscFormats.CUE.SS_Gap ss_gap = new DiscFormats.CUE.SS_Gap() { Policy = Policy, sq = sq, TrackType = TrackType, Pause = true //? }; ss_gap.Synth(job); }
public void Synth(SectorSynthJob job) { Original.Synth(job); if ((job.Parts & ESectorSynthPart.SubchannelQ) == 0) { return; } //apply patched subQ for (int i = 0; i < 12; i++) { job.DestBuffer2448[2352 + 12 + i] = Buffer_SubQ[i]; } }