U0 PsmNoteDel(PsmNote *tmpn)
{
    Free(tmpn->word);
    Free(tmpn);
}

PsmNote *PsmNoteCopy(PsmNote *tmpn)
{
    PsmNote *tmpn1 = MAllocIdent(tmpn);

    if (tmpn->word)
        tmpn1->word = StrNew(tmpn->word);
    else
        tmpn1->word = NULL;

    return tmpn1;
}

U0 PsmSongDel(PsmNote *head)
{
    PsmNote *tmpn, *tmpn1;

    tmpn = head->next;
    while (tmpn != head)
    {
        tmpn1 = tmpn->next;
        PsmNoteDel(tmpn);
        tmpn = tmpn1;
    }
    QueueInit(head);
}

U0 PsmCutToClip()
{
    PsmNote *tmpn, *tmpn1;

    PsmSongDel(&psm.clip);
    tmpn = psm.head.next;
    while (tmpn != &psm.head)
    {
        tmpn1 = tmpn->next;
        if (tmpn->flags & PSMF_SEL)
        {
            if (psm.cur_note == tmpn)
                psm.cur_note = tmpn->next;
            QueueRemove(tmpn);
            tmpn->flags &= ~PSMF_SEL;
            QueueInsert(tmpn, psm.clip.last);
        }
        tmpn = tmpn1;
    }
}

U0 PsmPasteClip()
{
    PsmNote *tmpn, *tmpn1;

    tmpn = psm.clip.next;
    while (tmpn != &psm.clip)
    {
        tmpn1 = PsmNoteCopy(tmpn);
        QueueInsert(tmpn1, psm.cur_note->last);
        tmpn = tmpn->next;
    }
}

U0 PsmCopyToClip()
{
    PsmNote *tmpn, *tmpn1;

    PsmSongDel(&psm.clip);
    tmpn = psm.head.next;
    while (tmpn != &psm.head)
    {
        if (tmpn->flags & PSMF_SEL)
        {
            tmpn->flags &= ~PSMF_SEL;
            tmpn1 = PsmNoteCopy(tmpn);
            QueueInsert(tmpn1, psm.clip.last);
        }
        tmpn = tmpn->next;
    }
}

PsmNote *PsmFindNote(I64 x, I64)
{
    PsmNote *tmpn=psm.head.next;

    PsmRecalcNoteXY;
    x += PSM_NOTE_SPACING / 2;
    while (x > tmpn->next->x && tmpn != &psm.head)
        tmpn = tmpn->next;

    return tmpn;
}

U8 *PsmMusicSetOctave(U8 *st, I64 *psm_octave)
{
    while ('0' <= *st <= '9')
        *psm_octave = *st++ - '0';

    return st;
}

U8 *PsmMusicSetNoteLen(U8 *st, F64 *psm_duration)
{
    Bool cont = TRUE;

    do
    {
        switch (*st++)
        {
            case 'w': *psm_duration = 4.0;  break;
            case 'h': *psm_duration = 2.0;  break;
            case 'q': *psm_duration = 1.0;  break;
            case 'e': *psm_duration = 0.5;  break;
            case 's': *psm_duration = 0.25; break;
            case 't': *psm_duration = 2.0 * *psm_duration / 3.0;    break;
            case '.': *psm_duration = 1.5 * *psm_duration;          break;

            default:
                st--;
                cont = FALSE;
        }
    }
    while (cont);

    return st;
}

U0 PsmLoadSongStr(U8 *st, I64 *psm_octave, F64 *psm_duration)
{
    PsmNote *tmpn, *tmpn1;
    I64      note, i = 0;

    while (*st)
    {
        tmpn = CAlloc(sizeof(PsmNote));
        while (*st && !('A' <= *st <= 'G') && *st != 'R')
        {
            if (*st == 'M')
            {
                tmpn1 = CAlloc(sizeof(PsmNote));
                tmpn1->type = PSMT_METER;
                st++;
                if ('1' <= *st <= '9')
                    tmpn1->meter_top = *st++ - '0';
                else
                    tmpn1->meter_top = 4;
                if (*st == '/')
                    st++;
                if ('1' <= *st <= '9')
                    tmpn1->meter_bottom = *st++ - '0';
                else
                    tmpn1->meter_bottom = 4;
                PsmSetWidth(tmpn1);
                QueueInsert(tmpn1, psm.head.last);
            }
            while (*st == '(')
            {
                Bts(&tmpn->flags, PSMf_TIE);
                st++;
            }
            st = PsmMusicSetOctave(st, psm_octave);
            st = PsmMusicSetNoteLen(st, psm_duration);
        }
        if (!*st)
        {
            PsmNoteDel(tmpn);
            break;
        }
        note = *st++ - 'A';
        if (note < 7)
        {
            note = music.note_map[note];
            if (*st == 'b')
            {
                Bts(&tmpn->flags, PSMf_FLAT);
                note--;
                st++;
                if (note < 0) //Ab
                    note = 11;
                else if (note == 2) //Cb
                    *psm_octave -= 1;
            }
            else if (*st == '#')
            {
                Bts(&tmpn->flags, PSMf_SHARP);
                note++;
                st++;
                if (note > 11) //G#
                    note = 0;
                else if (note == 3) //B#
                    *psm_octave += 1;
            }
            tmpn->ona = Note2Ona(note, *psm_octave);
        }
        else
            tmpn->ona = 0;
        if (*psm_duration <= 2*.25 / 3)
            i = 0;
        else if (*psm_duration <= .25)
            i = 1;
        else if (*psm_duration <= 2 * .5 / 3)
            i = 2;
        else if (*psm_duration <= .5)
            i = 3;
        else if (*psm_duration <= 2.0 / 3)
            i = 4;
        else if (*psm_duration <= .5 * 1.5)
            i = 5;
        else if (*psm_duration <= 1.0)
            i = 6;
        else if (*psm_duration <= 1.5)
            i = 7;
        else if (*psm_duration <= 2.0)
            i = 8;
        else if (*psm_duration <= 3.0)
            i = 9;
        else if (*psm_duration <= 4.0)
            i = 10;
        else
            i = 11;
        tmpn->duration = i;
        tmpn->type = PSMT_NOTE;
        PsmSetWidth(tmpn);
        QueueInsert(tmpn, psm.cur_note->last);
    }
}

U0 PsmLoadSong(U8 *filename, I64 *psm_octave, F64 *psm_duration)
{
    U8          *st;
    PsmNote     *tmpn;
    CCompCtrl   *cc = CompCtrlNew(MStrPrint("#include \"%s\"", filename));

    if (FileOcc("incomplete", filename, ""))
        psm.incomplete_entry->checked = TRUE;
    else
        psm.incomplete_entry->checked = FALSE;
    while (Lex(cc))
    {
        if (cc->token == TK_IDENT)
            if (!StrCompare(cc->cur_str, "Play"))
            {
                if (Lex(cc) == '(')
                    if (Lex(cc) == TK_STR)
                    {
                        tmpn = psm.head.last;
                        st = LexExtStr(cc);
                        PsmLoadSongStr(st, psm_octave, psm_duration);
                        if (cc->token == ',')
                        {
                            if (Lex(cc) == TK_STR)
                            {
                                st = LexExtStr(cc);
                                do
                                {
                                    do tmpn = tmpn->next;
                                    while (tmpn != &psm.head && tmpn->type == PSMT_METER);
                                    if (tmpn != &psm.head)
                                        tmpn->word = StrNew(st);
                                    st += StrLen(st) + 1;
                                }
                                while (*st);
                            }
                        }
                    }
            }
            else if (!StrCompare(cc->cur_str, "music") && Lex(cc) == '.' && Lex(cc) == TK_IDENT)
            {
                if (!StrCompare(cc->cur_str, "tempo"))
                {
                    if (Lex(cc) == '=' && Lex(cc) == TK_F64)
                    {
                        music.tempo = cc->cur_f64 - 0.0005;
                        tempo_state.tempo = Round(TEMPO_RANGE * (music.tempo - 0.5) / 4.4);
                    }
                }
                else if (!StrCompare(cc->cur_str, "stacatto_factor"))
                {
                    if (Lex(cc) == '=' && Lex(cc) == TK_F64)
                    {
                        music.stacatto_factor = cc->cur_f64 - 0.0005;
                        tempo_state.stacatto = Round(TEMPO_RANGE * (music.stacatto_factor - 0.12) / 0.88);
                    }
                }
            }
    }
    CompCtrlDel(cc);
}

U8 *PsmConvertSong()
{
    PsmNote *tmpn;
    U8      *st, *src, *dst;
    I64      i, ona, note, octave, last_octave, last_duration;

    i = 0;
    tmpn = psm.head.next;
    last_octave = I64_MIN;
    last_duration = -1;
    while (tmpn != &psm.head)
    {
        dst = &tmpn->ascii;
        if (tmpn->type == PSMT_METER)
        {
            *dst++ = 'M';
            *dst++ = tmpn->meter_top + '0';
            *dst++ = '/';
            *dst++ = tmpn->meter_bottom + '0';
        }
        else
        {
            if (tmpn->ona)
            {
                ona = tmpn->ona;
                if (Bt(&tmpn->flags, PSMf_SHARP))
                    ona--;
                if (Bt(&tmpn->flags, PSMf_FLAT))
                    ona++;
                octave = Ona2Octave(ona);
                note = Ona2Note  (ona);
                note = music.note_map[*ListSub(note, psm_note_list) - 'A'];
            }
            if (Bt(&tmpn->flags, PSMf_TIE))
                *dst++ = '(';
            if (octave != last_octave && tmpn->ona)
            {
                *dst++ = octave + '0';
                last_octave = octave;
            }
            if (tmpn->duration != last_duration)
            {
                src = ListSub(tmpn->duration, psm_duration_list);
                *dst++ = src[0];
                if (src[1])
                    *dst++ = src[1];
                last_duration = tmpn->duration;
            }
            if (tmpn->ona)
            {
                src = ListSub(note, psm_note_list);
                *dst++ = src[0];
                if (src[1])
                    *dst++ = src[1];
                else if (Bt(&tmpn->flags, PSMf_FLAT))
                    *dst++ = 'b';
                else if (Bt(&tmpn->flags, PSMf_SHARP))
                    *dst++ = '#';
            }
            else
                *dst++ = 'R';
        }
        *dst++ = 0;
        i += StrLen(tmpn->ascii);
        tmpn = tmpn->next;
    }

    st = MAlloc(i + 1);
    dst = st;
    tmpn = psm.head.next;
    while (tmpn != &psm.head)
    {
        StrCopy(dst, tmpn->ascii);
        dst += StrLen(tmpn->ascii);
        tmpn = tmpn->next;
    }
    *dst++ = 0;

    return st;
}

U8 *PsmSaveSong(U8 *dirname, U8 *full_filename)
{
    CDoc    *doc = DocNew(full_filename);
    Bool     has_words;
    PsmNote *tmpn, *tmpn1;
    F64      measure_len = 4, two_measure_left = 2 * measure_len;
    I64      ch;
    U8      *ptr;

    Free(PsmConvertSong); //set tmpn->ascii;

    music.tempo             = 4.4  * tempo_state.tempo    / TEMPO_RANGE + 0.5;
    music.stacatto_factor   = 0.88 * tempo_state.stacatto / TEMPO_RANGE + 0.12;

    has_words = FALSE;
    tmpn = psm.head.next;
    while (tmpn != &psm.head)
    {
        if (PsmHasWords(tmpn->word))
            has_words = TRUE;
        tmpn = tmpn->next;
    }
    if (psm.incomplete_entry->checked)
        DocPrint(doc, "//0 incomplete\n");
    else if (has_words)
        DocPrint(doc, "//0 has words\n");
    else
        DocPrint(doc, "//0 no nothing\n");

    DocPrint(doc, 
                "U0 Song()\n"
                "{\n"
                "\tFs->task_end_cb=&SoundTaskEndCB;\n"
                "\tMusicSettingsReset;\n"
                "\tmusic.tempo=%6.3f;\n"
                "\tmusic.stacatto_factor=%6.3f;\n"
                "\ttry {\n"
                "\t\twhile (!KeyScan) {\n"
                "\t\t\tPlay(\"", music.tempo + 0.0005, music.stacatto_factor + 0.0005);

    tmpn = psm.head.next;
    tmpn1 = tmpn;
    has_words = FALSE;
    while (tmpn != &psm.head)
    {
        DocPrint(doc, "%s", tmpn->ascii);
        if (PsmHasWords(tmpn->word))
            has_words = TRUE;
        if (tmpn->type == PSMT_METER)
        {
            measure_len = tmpn->meter_top * 4.0 / tmpn->meter_bottom;
            two_measure_left = 0;
        }
        else
            two_measure_left -= psm_durations[tmpn->duration];
        tmpn = tmpn->next;
        if (two_measure_left < 0.001 && tmpn != &psm.head)
        {
            if (has_words)
            {
                DocPrint(doc, "\",\n\t\t\"");
                while (tmpn1 != tmpn)
                {
                    if (tmpn1->type != PSMT_METER)
                    {
                        if (ptr=tmpn1->word)
                        {
                            while (ch = *ptr)
                                ptr++;
                            DocPrint(doc, "%Q\\0", tmpn1->word);
                        }
                        else
                            DocPrint(doc, " \\0");
                    }
                    tmpn1 = tmpn1->next;
                }
            }
            DocPrint(doc,
                        "\");\n"
                        "\tPlay(\"");
            two_measure_left = 2 * measure_len;
            tmpn1 = tmpn;
            has_words = FALSE;
        }
    }
    if (has_words)
    {
        DocPrint(doc, "\",\n\t\t\"");
        while (tmpn1 != tmpn)
        {
            if (tmpn1->type != PSMT_METER)
            {
                if (ptr = tmpn1->word)
                {
                    while (ch = *ptr)
                        ptr++;
                    
                    DocPrint(doc, "%Q\\0", tmpn1->word);
                }
                else
                    DocPrint(doc, " \\0");
            }
            tmpn1 = tmpn1->next;
        }
    }
    DocPrint(doc,
                "\");\n"
                "\t\t}\n"
                "\t} catch\n"
                "\t\tPutExcept;\n"
                "\tSound;\n"
                "}\n"
                "\n"
                "Song;\n");
    DocRecalc(doc);
    if (full_filename)
        Free(full_filename);
    else
        StrPrint(doc->filename.name, "%s/Tmp.CC", dirname);
    DocWrite(doc, TRUE);
    full_filename = StrNew(doc->filename.name);
    DocDel(doc);

    return full_filename;
}