/* Effect translation */
static void xlat_fx(int c, struct xmp_event *e)
{
uint8 h = MSN (e->fxp), l = LSN (e->fxp);
switch (e->fxt = fx[e->fxt]) {
case FX_S3M_EXTENDED: /* Extended effects */
e->fxt = FX_EXTENDED;
switch (h) {
case 0x1: /* Glissando */
e->fxp = LSN (e->fxp) | (EX_GLISS << 4);
break;
case 0x2: /* Finetune */
e->fxp = LSN (e->fxp) | (EX_FINETUNE << 4);
break;
case 0x3: /* Vibrato wave */
e->fxp = LSN (e->fxp) | (EX_VIBRATO_WF << 4);
break;
case 0x4: /* Tremolo wave */
e->fxp = LSN (e->fxp) | (EX_TREMOLO_WF << 4);
break;
case 0x5:
case 0x6:
case 0x7:
case 0x9:
case 0xa: /* Ignore */
e->fxt = e->fxp = 0;
break;
case 0x8: /* Set pan */
e->fxt = FX_SETPAN;
e->fxp = l << 4;
break;
case 0xb: /* Pattern loop */
e->fxp = LSN (e->fxp) | (EX_PATTERN_LOOP << 4);
break;
case 0xc:
if (!l)
e->fxt = e->fxp = 0;
}
break;
case NONE: /* No effect */
e->fxt = e->fxp = 0;
break;
}
}
static void get_pbod(struct xmp_context *ctx, int size, FILE *f)
{
struct xmp_player_context *p = &ctx->p;
struct xmp_mod_context *m = &p->m;
int j;
uint16 rows;
struct xxm_event *event;
if (pattern >= m->xxh->pat)
return;
if (!pattern) {
PATTERN_INIT();
reportv(ctx, 0, "Stored patterns: %d ", m->xxh->pat);
}
rows = read16b(f);
PATTERN_ALLOC (pattern);
m->xxp[pattern]->rows = rows;
TRACK_ALLOC (pattern);
for (j = 0; j < rows * m->xxh->chn; j++) {
uint8 note, ins;
event = &EVENT(pattern, j % m->xxh->chn, j / m->xxh->chn);
memset(event, 0, sizeof(struct xxm_event));
note = read8(f);
ins = read8(f);
if (note) {
event->note = 36 + note;
event->ins = 1 + ins;
}
event->fxt = fx[read8(f)];
event->fxp = read8(f);
if ((event->fxt == FX_VOLSET) && (event->fxp > 0x40)) {
if (event->fxp <= 0x50) {
event->fxt = FX_VOLSLIDE;
event->fxp -= 0x40;
} else if (event->fxp <= 0x60) {
event->fxt = FX_VOLSLIDE;
event->fxp = (event->fxp - 0x50) << 4;
} else if (event->fxp <= 0x70) {
event->fxt = FX_EXTENDED;
event->fxp = (EX_F_VSLIDE_DN << 4) | (event->fxp - 0x60);
} else if (event->fxp <= 0x80) {
event->fxt = FX_EXTENDED;
event->fxp = (EX_F_VSLIDE_UP << 4) | (event->fxp - 0x70);
}
}
if (event->fxt == FX_ARPEGGIO) /* Arpeggio fixup */
event->fxp = (((24 - MSN (event->fxp)) % 12) << 4) | LSN (event->fxp);
if (event->fxt == NONE)
event->fxt = event->fxp = 0;
}
reportv(ctx, 0, ".");
pattern++;
}
static int far_load(struct module_data *m, FILE *f, const int start)
{
struct xmp_module *mod = &m->mod;
int i, j, vib = 0;
struct xmp_event *event;
struct far_header ffh;
struct far_header2 ffh2;
struct far_instrument fih;
uint8 sample_map[8];
LOAD_INIT();
read32b(f); /* File magic: 'FAR\xfe' */
fread(&ffh.name, 40, 1, f); /* Song name */
fread(&ffh.crlf, 3, 1, f); /* 0x0d 0x0a 0x1A */
ffh.headersize = read16l(f); /* Remaining header size in bytes */
ffh.version = read8(f); /* Version MSN=major, LSN=minor */
fread(&ffh.ch_on, 16, 1, f); /* Channel on/off switches */
fseek(f, 9, SEEK_CUR); /* Current editing values */
ffh.tempo = read8(f); /* Default tempo */
fread(&ffh.pan, 16, 1, f); /* Channel pan definitions */
read32l(f); /* Grid, mode (for editor) */
ffh.textlen = read16l(f); /* Length of embedded text */
fseek(f, ffh.textlen, SEEK_CUR); /* Skip song text */
fread(&ffh2.order, 256, 1, f); /* Orders */
ffh2.patterns = read8(f); /* Number of stored patterns (?) */
ffh2.songlen = read8(f); /* Song length in patterns */
ffh2.restart = read8(f); /* Restart pos */
for (i = 0; i < 256; i++)
ffh2.patsize[i] = read16l(f); /* Size of each pattern in bytes */
mod->chn = 16;
/*mod->pat=ffh2.patterns; (Error in specs? --claudio) */
mod->len = ffh2.songlen;
mod->spd = 6;
mod->bpm = 8 * 60 / ffh.tempo;
memcpy (mod->xxo, ffh2.order, mod->len);
for (mod->pat = i = 0; i < 256; i++) {
if (ffh2.patsize[i])
mod->pat = i + 1;
}
mod->trk = mod->chn * mod->pat;
strncpy(mod->name, (char *)ffh.name, 40);
set_type(m, "Farandole Composer %d.%d", MSN(ffh.version), LSN(ffh.version));
MODULE_INFO();
PATTERN_INIT();
/* Read and convert patterns */
D_(D_INFO "Comment bytes : %d", ffh.textlen);
D_(D_INFO "Stored patterns: %d", mod->pat);
for (i = 0; i < mod->pat; i++) {
uint8 brk, note, ins, vol, fxb;
PATTERN_ALLOC(i);
if (!ffh2.patsize[i])
continue;
mod->xxp[i]->rows = (ffh2.patsize[i] - 2) / 64;
TRACK_ALLOC(i);
brk = read8(f) + 1;
read8(f);
for (j = 0; j < mod->xxp[i]->rows * mod->chn; j++) {
event = &EVENT(i, j % mod->chn, j / mod->chn);
if ((j % mod->chn) == 0 && (j / mod->chn) == brk)
event->f2t = FX_BREAK;
note = read8(f);
ins = read8(f);
vol = read8(f);
fxb = read8(f);
if (note)
event->note = note + 48;
if (event->note || ins)
event->ins = ins + 1;
vol = 16 * LSN(vol) + MSN(vol);
if (vol)
event->vol = vol - 0x10; /* ? */
event->fxt = fx[MSN(fxb)];
event->fxp = LSN(fxb);
switch (event->fxt) {
case NONE:
event->fxt = event->fxp = 0;
break;
case FX_FAR_PORTA_UP:
event->fxt = FX_EXTENDED;
event->fxp |= (EX_F_PORTA_UP << 4);
break;
case FX_FAR_PORTA_DN:
event->fxt = FX_EXTENDED;
event->fxp |= (EX_F_PORTA_DN << 4);
break;
case FX_FAR_RETRIG:
event->fxt = FX_EXTENDED;
event->fxp |= (EX_RETRIG << 4);
break;
case FX_FAR_DELAY:
event->fxt = FX_EXTENDED;
event->fxp |= (EX_DELAY << 4);
break;
case FX_FAR_SETVIBRATO:
vib = event->fxp & 0x0f;
event->fxt = event->fxp = 0;
break;
case FX_VIBRATO:
event->fxp = (event->fxp << 4) + vib;
break;
case FX_PER_VIBRATO:
event->fxp = (event->fxp << 4) + vib;
break;
case FX_FAR_VSLIDE_UP: /* Fine volume slide up */
event->fxt = FX_EXTENDED;
event->fxp |= (EX_F_VSLIDE_UP << 4);
break;
case FX_FAR_VSLIDE_DN: /* Fine volume slide down */
event->fxt = FX_EXTENDED;
event->fxp |= (EX_F_VSLIDE_DN << 4);
break;
case FX_SPEED:
event->fxp = 8 * 60 / event->fxp;
break;
}
}
}
mod->ins = -1;
fread(sample_map, 1, 8, f);
for (i = 0; i < 64; i++) {
if (sample_map[i / 8] & (1 << (i % 8)))
mod->ins = i;
}
mod->ins++;
mod->smp = mod->ins;
INSTRUMENT_INIT();
/* Read and convert instruments and samples */
for (i = 0; i < mod->ins; i++) {
if (!(sample_map[i / 8] & (1 << (i % 8))))
continue;
mod->xxi[i].sub = calloc(sizeof (struct xmp_subinstrument), 1);
fread(&fih.name, 32, 1, f); /* Instrument name */
fih.length = read32l(f); /* Length of sample (up to 64Kb) */
fih.finetune = read8(f); /* Finetune (unsuported) */
fih.volume = read8(f); /* Volume (unsuported?) */
fih.loop_start = read32l(f); /* Loop start */
fih.loopend = read32l(f); /* Loop end */
fih.sampletype = read8(f); /* 1=16 bit sample */
fih.loopmode = read8(f);
fih.length &= 0xffff;
fih.loop_start &= 0xffff;
fih.loopend &= 0xffff;
mod->xxs[i].len = fih.length;
mod->xxi[i].nsm = fih.length > 0 ? 1 : 0;
mod->xxs[i].lps = fih.loop_start;
mod->xxs[i].lpe = fih.loopend;
mod->xxs[i].flg = 0;
if (fih.sampletype != 0) {
mod->xxs[i].flg |= XMP_SAMPLE_16BIT;
mod->xxs[i].len >>= 1;
mod->xxs[i].lps >>= 1;
mod->xxs[i].lpe >>= 1;
}
mod->xxs[i].flg |= fih.loopmode ? XMP_SAMPLE_LOOP : 0;
mod->xxi[i].sub[0].vol = 0xff; /* fih.volume; */
mod->xxi[i].sub[0].sid = i;
copy_adjust(mod->xxi[i].name, fih.name, 32);
D_(D_INFO "[%2X] %-32.32s %04x %04x %04x %c V%02x",
i, mod->xxi[i].name, mod->xxs[i].len, mod->xxs[i].lps,
mod->xxs[i].lpe, fih.loopmode ? 'L' : ' ', mod->xxi[i].sub[0].vol);
load_sample(f, 0, &mod->xxs[i], NULL);
}
static int gdm_load(struct xmp_context *ctx, FILE *f, const int start)
{
struct xmp_player_context *p = &ctx->p;
struct xmp_mod_context *m = &p->m;
struct xxm_event *event;
int vermaj, vermin, tvmaj, tvmin, tracker;
int origfmt, ord_ofs, pat_ofs, ins_ofs, smp_ofs;
uint8 buffer[32], panmap[32];
int i;
LOAD_INIT();
read32b(f); /* skip magic */
fread(m->name, 1, 32, f);
fread(m->author, 1, 32, f);
fseek(f, 7, SEEK_CUR);
vermaj = read8(f);
vermin = read8(f);
tracker = read16l(f);
tvmaj = read8(f);
tvmin = read8(f);
if (tracker == 0) {
sprintf(m->type, "GDM %d.%02d, (2GDM %d.%02d)",
vermaj, vermin, tvmaj, tvmin);
} else {
sprintf(m->type, "GDM %d.%02d (unknown tracker %d.%02d)",
vermaj, vermin, tvmaj, tvmin);
}
fread(panmap, 32, 1, f);
for (i = 0; i < 32; i++) {
if (panmap[i] != 0xff)
m->xxh->chn = i + 1;
if (panmap[i] == 16)
panmap[i] = 8;
m->xxc[i].pan = 0x80 + (panmap[i] - 8) * 16;
}
m->xxh->gvl = read8(f);
m->xxh->tpo = read8(f);
m->xxh->bpm = read8(f);
origfmt = read16l(f);
ord_ofs = read32l(f);
m->xxh->len = read8(f);
pat_ofs = read32l(f);
m->xxh->pat = read8(f);
ins_ofs = read32l(f);
smp_ofs = read32l(f);
m->xxh->ins = m->xxh->smp = read8(f);
m->xxh->trk = m->xxh->pat * m->xxh->chn;
MODULE_INFO();
if (origfmt > 9)
origfmt = 9;
reportv(ctx, 0, "Orig format : %s\n", fmt[origfmt]);
fseek(f, start + ord_ofs, SEEK_SET);
for (i = 0; i < m->xxh->len; i++)
m->xxo[i] = read8(f);
/* Read instrument data */
fseek(f, start + ins_ofs, SEEK_SET);
INSTRUMENT_INIT();
reportv(ctx, 1, " Name Len LBeg LEnd L Vol Pan C4Spd\n");
for (i = 0; i < m->xxh->ins; i++) {
int flg, c4spd, vol, pan;
m->xxi[i] = calloc(sizeof(struct xxm_instrument), 1);
fread(buffer, 32, 1, f);
copy_adjust(m->xxih[i].name, buffer, 32);
fseek(f, 12, SEEK_CUR); /* skip filename */
read8(f); /* skip EMS handle */
m->xxs[i].len = read32l(f);
m->xxs[i].lps = read32l(f);
m->xxs[i].lpe = read32l(f);
flg = read8(f);
c4spd = read16l(f);
vol = read8(f);
pan = read8(f);
m->xxi[i][0].vol = vol > 0x40 ? 0x40 : vol;
m->xxi[i][0].pan = pan > 15 ? 0x80 : 0x80 + (pan - 8) * 16;
c2spd_to_note(c4spd, &m->xxi[i][0].xpo, &m->xxi[i][0].fin);
m->xxih[i].nsm = !!(m->xxs[i].len);
m->xxi[i][0].sid = i;
m->xxs[i].flg = 0;
if (flg & 0x01)
m->xxs[i].flg |= WAVE_LOOPING;
if (flg & 0x02)
m->xxs[i].flg |= WAVE_16_BITS;
if (V(1) && (strlen((char*)m->xxih[i].name) || (m->xxs[i].len > 1))) {
report("[%2X] %-32.32s %05x%c%05x %05x %c V%02x P%02x %5d\n",
i, m->xxih[i].name,
m->xxs[i].len,
m->xxs[i].flg & WAVE_16_BITS ? '+' : ' ',
m->xxs[i].lps,
m->xxs[i].lpe,
m->xxs[i].flg & WAVE_LOOPING ? 'L' : ' ',
m->xxi[i][0].vol,
m->xxi[i][0].pan,
c4spd);
}
}
/* Read and convert patterns */
fseek(f, start + pat_ofs, SEEK_SET);
PATTERN_INIT();
reportv(ctx, 0, "Stored patterns: %d ", m->xxh->pat);
for (i = 0; i < m->xxh->pat; i++) {
int len, c, r, k;
PATTERN_ALLOC(i);
m->xxp[i]->rows = 64;
TRACK_ALLOC(i);
len = read16l(f);
len -= 2;
for (r = 0; len > 0; ) {
c = read8(f);
len--;
if (c == 0) {
r++;
continue;
}
assert((c & 0x1f) < m->xxh->chn);
event = &EVENT (i, c & 0x1f, r);
if (c & 0x20) { /* note and sample follows */
k = read8(f);
event->note = 12 * MSN(k & 0x7f) + LSN(k);
event->ins = read8(f);
len -= 2;
}
if (c & 0x40) { /* effect(s) follow */
do {
k = read8(f);
len--;
switch ((k & 0xc0) >> 6) {
case 0:
event->fxt = k & 0x1f;
event->fxp = read8(f);
len--;
fix_effect(&event->fxt, &event->fxp);
break;
case 1:
event->f2t = k & 0x1f;
event->f2p = read8(f);
len--;
fix_effect(&event->f2t, &event->f2p);
break;
case 2:
read8(f);
len--;
}
} while (k & 0x20);
}
}
reportv(ctx, 0, ".");
}
reportv(ctx, 0, "\n");
/* Read samples */
fseek(f, start + smp_ofs, SEEK_SET);
reportv(ctx, 0, "Stored samples : %d ", m->xxh->smp);
for (i = 0; i < m->xxh->ins; i++) {
xmp_drv_loadpatch(ctx, f, m->xxi[i][0].sid, m->c4rate,
XMP_SMP_UNS, &m->xxs[m->xxi[i][0].sid], NULL);
reportv(ctx, 0, ".");
}
reportv(ctx, 0, "\n");
return 0;
}
static int stx_load(struct module_data *m, xmp_file f, const int start)
{
struct xmp_module *mod = &m->mod;
int c, r, i, broken = 0;
struct xmp_event *event = 0, dummy;
struct stx_file_header sfh;
struct stx_instrument_header sih;
uint8 n, b;
uint16 x16;
int bmod2stm = 0;
uint16 *pp_ins; /* Parapointers to instruments */
uint16 *pp_pat; /* Parapointers to patterns */
LOAD_INIT();
xmp_fread(&sfh.name, 20, 1, f);
xmp_fread(&sfh.magic, 8, 1, f);
sfh.psize = read16l(f);
sfh.unknown1 = read16l(f);
sfh.pp_pat = read16l(f);
sfh.pp_ins = read16l(f);
sfh.pp_chn = read16l(f);
sfh.unknown2 = read16l(f);
sfh.unknown3 = read16l(f);
sfh.gvol = read8(f);
sfh.tempo = read8(f);
sfh.unknown4 = read16l(f);
sfh.unknown5 = read16l(f);
sfh.patnum = read16l(f);
sfh.insnum = read16l(f);
sfh.ordnum = read16l(f);
sfh.unknown6 = read16l(f);
sfh.unknown7 = read16l(f);
sfh.unknown8 = read16l(f);
xmp_fread(&sfh.magic2, 4, 1, f);
/* BMOD2STM does not convert pitch */
if (!strncmp ((char *) sfh.magic, "BMOD2STM", 8))
bmod2stm = 1;
#if 0
if ((strncmp ((char *) sfh.magic, "!Scream!", 8) &&
!bmod2stm) || strncmp ((char *) sfh.magic2, "SCRM", 4))
return -1;
#endif
mod->ins = sfh.insnum;
mod->pat = sfh.patnum;
mod->trk = mod->pat * mod->chn;
mod->len = sfh.ordnum;
mod->spd = MSN (sfh.tempo);
mod->smp = mod->ins;
m->c4rate = C4_NTSC_RATE;
/* STM2STX 1.0 released with STMIK 0.2 converts STMs with the pattern
* length encoded in the first two bytes of the pattern (like S3M).
*/
xmp_fseek(f, start + (sfh.pp_pat << 4), SEEK_SET);
x16 = read16l(f);
xmp_fseek(f, start + (x16 << 4), SEEK_SET);
x16 = read16l(f);
if (x16 == sfh.psize)
broken = 1;
strncpy(mod->name, (char *)sfh.name, 20);
if (bmod2stm)
set_type(m, "BMOD2STM STX");
else
snprintf(mod->type, XMP_NAME_SIZE, "STM2STX 1.%d", broken ? 0 : 1);
MODULE_INFO();
pp_pat = calloc (2, mod->pat);
pp_ins = calloc (2, mod->ins);
/* Read pattern pointers */
xmp_fseek(f, start + (sfh.pp_pat << 4), SEEK_SET);
for (i = 0; i < mod->pat; i++)
pp_pat[i] = read16l(f);
/* Read instrument pointers */
xmp_fseek(f, start + (sfh.pp_ins << 4), SEEK_SET);
for (i = 0; i < mod->ins; i++)
pp_ins[i] = read16l(f);
/* Skip channel table (?) */
xmp_fseek(f, start + (sfh.pp_chn << 4) + 32, SEEK_SET);
/* Read orders */
for (i = 0; i < mod->len; i++) {
mod->xxo[i] = read8(f);
xmp_fseek(f, 4, SEEK_CUR);
}
INSTRUMENT_INIT();
/* Read and convert instruments and samples */
for (i = 0; i < mod->ins; i++) {
mod->xxi[i].sub = calloc(sizeof (struct xmp_subinstrument), 1);
xmp_fseek(f, start + (pp_ins[i] << 4), SEEK_SET);
sih.type = read8(f);
xmp_fread(&sih.dosname, 13, 1, f);
sih.memseg = read16l(f);
sih.length = read32l(f);
sih.loopbeg = read32l(f);
sih.loopend = read32l(f);
sih.vol = read8(f);
sih.rsvd1 = read8(f);
sih.pack = read8(f);
sih.flags = read8(f);
sih.c2spd = read16l(f);
sih.rsvd2 = read16l(f);
xmp_fread(&sih.rsvd3, 4, 1, f);
sih.int_gp = read16l(f);
sih.int_512 = read16l(f);
sih.int_last = read32l(f);
xmp_fread(&sih.name, 28, 1, f);
xmp_fread(&sih.magic, 4, 1, f);
mod->xxi[i].nsm = !!(mod->xxs[i].len = sih.length);
mod->xxs[i].lps = sih.loopbeg;
mod->xxs[i].lpe = sih.loopend;
if (mod->xxs[i].lpe == 0xffff)
mod->xxs[i].lpe = 0;
mod->xxs[i].flg = mod->xxs[i].lpe > 0 ? XMP_SAMPLE_LOOP : 0;
mod->xxi[i].sub[0].vol = sih.vol;
mod->xxi[i].sub[0].pan = 0x80;
mod->xxi[i].sub[0].sid = i;
copy_adjust(mod->xxi[i].name, sih.name, 12);
D_(D_INFO "[%2X] %-14.14s %04x %04x %04x %c V%02x %5d\n", i,
mod->xxi[i].name, mod->xxs[i].len, mod->xxs[i].lps, mod->xxs[i].lpe,
mod->xxs[i].flg & XMP_SAMPLE_LOOP ? 'L' : ' ',
mod->xxi[i].sub[0].vol, sih.c2spd);
sih.c2spd = 8363 * sih.c2spd / 8448;
c2spd_to_note(sih.c2spd, &mod->xxi[i].sub[0].xpo, &mod->xxi[i].sub[0].fin);
}
PATTERN_INIT();
/* Read and convert patterns */
D_(D_INFO "Stored patterns: %d", mod->pat);
for (i = 0; i < mod->pat; i++) {
PATTERN_ALLOC (i);
mod->xxp[i]->rows = 64;
TRACK_ALLOC (i);
if (!pp_pat[i])
continue;
xmp_fseek(f, start + (pp_pat[i] << 4), SEEK_SET);
if (broken)
xmp_fseek(f, 2, SEEK_CUR);
for (r = 0; r < 64; ) {
b = read8(f);
if (b == S3M_EOR) {
r++;
continue;
}
c = b & S3M_CH_MASK;
event = c >= mod->chn ? &dummy : &EVENT (i, c, r);
if (b & S3M_NI_FOLLOW) {
n = read8(f);
switch (n) {
case 255:
n = 0;
break; /* Empty note */
case 254:
n = XMP_KEY_OFF;
break; /* Key off */
default:
n = 37 + 12 * MSN (n) + LSN (n);
}
event->note = n;
event->ins = read8(f);;
}
if (b & S3M_VOL_FOLLOWS) {
event->vol = read8(f) + 1;
}
if (b & S3M_FX_FOLLOWS) {
event->fxt = fx[read8(f)];
event->fxp = read8(f);
switch (event->fxt) {
case FX_SPEED:
event->fxp = MSN (event->fxp);
break;
case FX_NONE:
event->fxp = event->fxt = 0;
break;
}
}
}
}
free (pp_pat);
free (pp_ins);
/* Read samples */
D_(D_INFO "Stored samples: %d", mod->smp);
for (i = 0; i < mod->ins; i++) {
load_sample(m, f, 0, &mod->xxs[mod->xxi[i].sub[0].sid], NULL);
}
m->quirk |= QUIRK_VSALL | QUIRKS_ST3;
m->read_event_type = READ_EVENT_ST3;
return 0;
}
static int hsc_load(struct module_data *m, xmp_file f, const int start)
{
struct xmp_module *mod = &m->mod;
int pat, i, r, c;
struct xmp_event *event;
uint8 *x, *sid, e[2], buf[128 * 12];
LOAD_INIT();
xmp_fread(buf, 1, 128 * 12, f);
x = buf;
for (i = 0; i < 128; i++, x += 12) {
if (x[9] & ~0x3 || x[10] & ~0x3) /* Test waveform register */
break;
if (x[8] & ~0xf) /* Test feedback & algorithm */
break;
}
mod->ins = i;
xmp_fseek(f, start + 0, SEEK_SET);
mod->chn = 9;
mod->bpm = 135;
mod->spd = 6;
mod->smp = mod->ins;
m->quirk |= QUIRK_LINEAR;
set_type(m, "HSC-Tracker");
MODULE_INFO();
/* Read instruments */
INSTRUMENT_INIT();
xmp_fread (buf, 1, 128 * 12, f);
sid = buf;
for (i = 0; i < mod->ins; i++, sid += 12) {
mod->xxi[i].sub = calloc(sizeof (struct xmp_subinstrument), 1);
mod->xxi[i].nsm = 1;
mod->xxi[i].sub[0].vol = 0x40;
mod->xxi[i].sub[0].fin = (int8)sid[11] / 4;
mod->xxi[i].sub[0].pan = 0x80;
mod->xxi[i].sub[0].xpo = 0;
mod->xxi[i].sub[0].sid = i;
mod->xxi[i].rls = LSN(sid[7]) * 32; /* carrier release */
load_sample(m, f, SAMPLE_FLAG_ADLIB | SAMPLE_FLAG_HSC,
&mod->xxs[i], (char *)sid);
}
/* Read orders */
for (pat = i = 0; i < 51; i++) {
xmp_fread (&mod->xxo[i], 1, 1, f);
if (mod->xxo[i] & 0x80)
break; /* FIXME: jump line */
if (mod->xxo[i] > pat)
pat = mod->xxo[i];
}
xmp_fseek(f, 50 - i, SEEK_CUR);
mod->len = i;
mod->pat = pat + 1;
mod->trk = mod->pat * mod->chn;
D_(D_INFO "Module length: %d", mod->len);
D_(D_INFO "Instruments: %d", mod->ins);
D_(D_INFO "Stored patterns: %d", mod->pat);
PATTERN_INIT();
/* Read and convert patterns */
for (i = 0; i < mod->pat; i++) {
int ins[9] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
PATTERN_ALLOC (i);
mod->xxp[i]->rows = 64;
TRACK_ALLOC (i);
for (r = 0; r < mod->xxp[i]->rows; r++) {
for (c = 0; c < 9; c++) {
xmp_fread (e, 1, 2, f);
event = &EVENT (i, c, r);
if (e[0] & 0x80) {
ins[c] = e[1] + 1;
} else if (e[0] == 0x7f) {
event->note = XMP_KEY_OFF;
} else if (e[0] > 0) {
event->note = e[0] + 25;
event->ins = ins[c];
}
event->fxt = 0;
event->fxp = 0;
if (e[1] == 0x01) {
event->fxt = 0x0d;
event->fxp = 0;
}
}
}
}
for (i = 0; i < mod->chn; i++) {
mod->xxc[i].pan = 0x80;
mod->xxc[i].flg = XMP_CHANNEL_SYNTH;
}
m->synth = &synth_adlib;
return 0;
}
static int get_inst(struct module_data *m, int size, HIO_HANDLE *f, void *parm)
{
struct xmp_module *mod = &m->mod;
struct local_data *data = (struct local_data *)parm;
int i, j;
int srate, finetune, flags;
int val, vwf, vra, vde, vsw, fade;
uint8 buf[30];
hio_read8(f); /* 00 */
i = hio_read8(f); /* instrument number */
hio_read(&mod->xxi[i].name, 1, 28, f);
adjust_string((char *)mod->xxi[i].name);
mod->xxi[i].nsm = hio_read8(f);
for (j = 0; j < 108; j++) {
mod->xxi[i].map[j].ins = hio_read8(f);
}
hio_seek(f, 11, SEEK_CUR); /* unknown */
vwf = hio_read8(f); /* vibrato waveform */
vsw = hio_read8(f); /* vibrato sweep */
hio_read8(f); /* unknown */
hio_read8(f); /* unknown */
vde = hio_read8(f); /* vibrato depth */
vra = hio_read16l(f) / 16; /* vibrato speed */
hio_read8(f); /* unknown */
val = hio_read8(f); /* PV envelopes flags */
if (LSN(val) & 0x01)
mod->xxi[i].aei.flg |= XMP_ENVELOPE_ON;
if (LSN(val) & 0x02)
mod->xxi[i].aei.flg |= XMP_ENVELOPE_SUS;
if (LSN(val) & 0x04)
mod->xxi[i].aei.flg |= XMP_ENVELOPE_LOOP;
if (MSN(val) & 0x01)
mod->xxi[i].pei.flg |= XMP_ENVELOPE_ON;
if (MSN(val) & 0x02)
mod->xxi[i].pei.flg |= XMP_ENVELOPE_SUS;
if (MSN(val) & 0x04)
mod->xxi[i].pei.flg |= XMP_ENVELOPE_LOOP;
val = hio_read8(f); /* PV envelopes points */
mod->xxi[i].aei.npt = LSN(val) + 1;
mod->xxi[i].pei.npt = MSN(val) + 1;
val = hio_read8(f); /* PV envelopes sustain point */
mod->xxi[i].aei.sus = LSN(val);
mod->xxi[i].pei.sus = MSN(val);
val = hio_read8(f); /* PV envelopes loop start */
mod->xxi[i].aei.lps = LSN(val);
mod->xxi[i].pei.lps = MSN(val);
hio_read8(f); /* PV envelopes loop end */
mod->xxi[i].aei.lpe = LSN(val);
mod->xxi[i].pei.lpe = MSN(val);
if (mod->xxi[i].aei.npt <= 0 || mod->xxi[i].aei.npt >= XMP_MAX_ENV_POINTS)
mod->xxi[i].aei.flg &= ~XMP_ENVELOPE_ON;
if (mod->xxi[i].pei.npt <= 0 || mod->xxi[i].pei.npt >= XMP_MAX_ENV_POINTS)
mod->xxi[i].pei.flg &= ~XMP_ENVELOPE_ON;
hio_read(buf, 1, 30, f); /* volume envelope points */;
for (j = 0; j < mod->xxi[i].aei.npt; j++) {
mod->xxi[i].aei.data[j * 2] = readmem16l(buf + j * 3) / 16;
mod->xxi[i].aei.data[j * 2 + 1] = buf[j * 3 + 2];
}
hio_read(buf, 1, 30, f); /* pan envelope points */;
for (j = 0; j < mod->xxi[i].pei.npt; j++) {
mod->xxi[i].pei.data[j * 2] = readmem16l(buf + j * 3) / 16;
mod->xxi[i].pei.data[j * 2 + 1] = buf[j * 3 + 2];
}
fade = hio_read8(f); /* fadeout - 0x80->0x02 0x310->0x0c */
hio_read8(f); /* unknown */
D_(D_INFO "[%2X] %-28.28s %2d ", i, mod->xxi[i].name, mod->xxi[i].nsm);
if (mod->xxi[i].nsm == 0)
return 0;
if (subinstrument_alloc(mod, i, mod->xxi[i].nsm) < 0)
return -1;
for (j = 0; j < mod->xxi[i].nsm; j++, data->snum++) {
hio_read32b(f); /* SAMP */
hio_read32b(f); /* size */
hio_read(&mod->xxs[data->snum].name, 1, 28, f);
adjust_string((char *)mod->xxs[data->snum].name);
mod->xxi[i].sub[j].pan = hio_read8(f) * 4;
if (mod->xxi[i].sub[j].pan == 0) /* not sure about this */
mod->xxi[i].sub[j].pan = 0x80;
mod->xxi[i].sub[j].vol = hio_read8(f);
flags = hio_read8(f);
hio_read8(f); /* unknown - 0x80 */
mod->xxi[i].sub[j].vwf = vwf;
mod->xxi[i].sub[j].vde = vde;
mod->xxi[i].sub[j].vra = vra;
mod->xxi[i].sub[j].vsw = vsw;
mod->xxi[i].sub[j].sid = data->snum;
mod->xxs[data->snum].len = hio_read32l(f);
mod->xxs[data->snum].lps = hio_read32l(f);
mod->xxs[data->snum].lpe = hio_read32l(f);
mod->xxs[data->snum].flg = 0;
if (flags & 0x04)
mod->xxs[data->snum].flg |= XMP_SAMPLE_16BIT;
if (flags & 0x08)
mod->xxs[data->snum].flg |= XMP_SAMPLE_LOOP;
if (flags & 0x10)
mod->xxs[data->snum].flg |= XMP_SAMPLE_LOOP_BIDIR;
/* if (flags & 0x80)
mod->xxs[data->snum].flg |= ? */
srate = hio_read32l(f);
finetune = 0;
c2spd_to_note(srate, &mod->xxi[i].sub[j].xpo, &mod->xxi[i].sub[j].fin);
mod->xxi[i].sub[j].fin += finetune;
hio_read32l(f); /* 0x00000000 */
hio_read32l(f); /* unknown */
D_(D_INFO " %X: %05x%c%05x %05x %c V%02x P%02x %5d",
j, mod->xxs[data->snum].len,
mod->xxs[data->snum].flg & XMP_SAMPLE_16BIT ? '+' : ' ',
mod->xxs[data->snum].lps,
mod->xxs[data->snum].lpe,
mod->xxs[data->snum].flg & XMP_SAMPLE_LOOP_BIDIR ? 'B' :
mod->xxs[data->snum].flg & XMP_SAMPLE_LOOP ? 'L' : ' ',
mod->xxi[i].sub[j].vol,
mod->xxi[i].sub[j].pan,
srate);
if (mod->xxs[data->snum].len > 1) {
int snum = data->snum;
if (load_sample(m, f, 0, &mod->xxs[snum], NULL) < 0)
return -1;
}
}
return 0;
}
static int stm_load(struct module_data *m, HIO_HANDLE *f, const int start)
{
struct xmp_module *mod = &m->mod;
int i, j;
struct xmp_event *event;
struct stm_file_header sfh;
uint8 b;
int bmod2stm = 0;
LOAD_INIT();
hio_read(&sfh.name, 20, 1, f); /* ASCIIZ song name */
hio_read(&sfh.magic, 8, 1, f); /* '!Scream!' */
sfh.rsvd1 = hio_read8(f); /* '\x1a' */
sfh.type = hio_read8(f); /* 1=song, 2=module */
sfh.vermaj = hio_read8(f); /* Major version number */
sfh.vermin = hio_read8(f); /* Minor version number */
sfh.tempo = hio_read8(f); /* Playback tempo */
sfh.patterns = hio_read8(f); /* Number of patterns */
sfh.gvol = hio_read8(f); /* Global volume */
hio_read(&sfh.rsvd2, 13, 1, f); /* Reserved */
for (i = 0; i < 31; i++) {
hio_read(&sfh.ins[i].name, 12, 1, f); /* ASCIIZ instrument name */
sfh.ins[i].id = hio_read8(f); /* Id=0 */
sfh.ins[i].idisk = hio_read8(f); /* Instrument disk */
sfh.ins[i].rsvd1 = hio_read16l(f); /* Reserved */
sfh.ins[i].length = hio_read16l(f); /* Sample length */
sfh.ins[i].loopbeg = hio_read16l(f); /* Loop begin */
sfh.ins[i].loopend = hio_read16l(f); /* Loop end */
sfh.ins[i].volume = hio_read8(f); /* Playback volume */
sfh.ins[i].rsvd2 = hio_read8(f); /* Reserved */
sfh.ins[i].c2spd = hio_read16l(f); /* C4 speed */
sfh.ins[i].rsvd3 = hio_read32l(f); /* Reserved */
sfh.ins[i].paralen = hio_read16l(f); /* Length in paragraphs */
}
if (!strncmp ((char *)sfh.magic, "BMOD2STM", 8))
bmod2stm = 1;
mod->pat = sfh.patterns;
mod->trk = mod->pat * mod->chn;
mod->spd = MSN (sfh.tempo);
mod->ins = 31;
mod->smp = mod->ins;
m->c4rate = C4_NTSC_RATE;
copy_adjust(mod->name, sfh.name, 20);
if (bmod2stm) {
snprintf(mod->type, XMP_NAME_SIZE, "BMOD2STM STM");
} else {
snprintf(mod->type, XMP_NAME_SIZE, "Scream Tracker %d.%02d STM",
sfh.vermaj, sfh.vermin);
}
MODULE_INFO();
if (instrument_init(mod) < 0)
return -1;
/* Read and convert instruments and samples */
for (i = 0; i < mod->ins; i++) {
if (subinstrument_alloc(mod, i, 1) < 0)
return -1;
mod->xxs[i].len = sfh.ins[i].length;
mod->xxs[i].lps = sfh.ins[i].loopbeg;
mod->xxs[i].lpe = sfh.ins[i].loopend;
if (mod->xxs[i].lpe == 0xffff)
mod->xxs[i].lpe = 0;
mod->xxs[i].flg = mod->xxs[i].lpe > 0 ? XMP_SAMPLE_LOOP : 0;
mod->xxi[i].sub[0].vol = sfh.ins[i].volume;
mod->xxi[i].sub[0].pan = 0x80;
mod->xxi[i].sub[0].sid = i;
if (mod->xxs[i].len > 0)
mod->xxi[i].nsm = 1;
instrument_name(mod, i, sfh.ins[i].name, 12);
D_(D_INFO "[%2X] %-14.14s %04x %04x %04x %c V%02x %5d", i,
mod->xxi[i].name, mod->xxs[i].len, mod->xxs[i].lps,
mod->xxs[i].lpe, mod->xxs[i].flg & XMP_SAMPLE_LOOP ? 'L' : ' ',
mod->xxi[i].sub[0].vol, sfh.ins[i].c2spd);
sfh.ins[i].c2spd = 8363 * sfh.ins[i].c2spd / 8448;
c2spd_to_note (sfh.ins[i].c2spd, &mod->xxi[i].sub[0].xpo, &mod->xxi[i].sub[0].fin);
}
hio_read(mod->xxo, 1, 128, f);
for (i = 0; i < 128; i++)
if (mod->xxo[i] >= mod->pat)
break;
mod->len = i;
D_(D_INFO "Module length: %d", mod->len);
if (pattern_init(mod) < 0)
return -1;
/* Read and convert patterns */
D_(D_INFO "Stored patterns: %d", mod->pat);
for (i = 0; i < mod->pat; i++) {
if (pattern_tracks_alloc(mod, i, 64) < 0)
return -1;
for (j = 0; j < 64 * mod->chn; j++) {
event = &EVENT (i, j % mod->chn, j / mod->chn);
b = hio_read8(f);
memset (event, 0, sizeof (struct xmp_event));
switch (b) {
case 251:
case 252:
case 253:
break;
case 255:
b = 0;
default:
event->note = b ? 13 + LSN(b) + 12 * (2 + MSN(b)) : 0;
b = hio_read8(f);
event->vol = b & 0x07;
event->ins = (b & 0xf8) >> 3;
b = hio_read8(f);
event->vol += (b & 0xf0) >> 1;
if (event->vol > 0x40)
event->vol = 0;
else
event->vol++;
event->fxt = fx[LSN(b)];
event->fxp = hio_read8(f);
switch (event->fxt) {
case FX_SPEED:
event->fxp = MSN (event->fxp);
break;
case FX_NONE:
event->fxp = event->fxt = 0;
break;
}
}
}
}
/* Read samples */
D_(D_INFO "Stored samples: %d", mod->smp);
for (i = 0; i < mod->ins; i++) {
if (mod->xxs[i].len > 1) {
if (load_sample(m, f, 0, &mod->xxs[i], NULL) < 0)
return -1;
} else {
mod->xxi[i].nsm = 0;
}
}
m->quirk |= QUIRK_VSALL | QUIRKS_ST3;
m->read_event_type = READ_EVENT_ST3;
return 0;
}
void process_fx(struct context_data *ctx, struct channel_data *xc, int chn,
uint8 note, uint8 fxt, uint8 fxp, int fnum)
{
struct player_data *p = &ctx->p;
struct module_data *m = &ctx->m;
struct xmp_module *mod = &m->mod;
struct flow_control *f = &p->flow;
int h, l;
switch (fxt) {
case FX_ARPEGGIO:
fx_arpeggio:
if (fxp != 0) {
xc->arpeggio.val[0] = 0;
xc->arpeggio.val[1] = MSN(fxp);
xc->arpeggio.val[2] = LSN(fxp);
xc->arpeggio.size = 3;
}
break;
case FX_S3M_ARPEGGIO:
EFFECT_MEMORY(fxp, xc->arpeggio.memory);
goto fx_arpeggio;
#ifndef LIBXMP_CORE_PLAYER
case FX_OKT_ARP3:
if (fxp != 0) {
xc->arpeggio.val[0] = -MSN(fxp);
xc->arpeggio.val[1] = 0;
xc->arpeggio.val[2] = LSN(fxp);
xc->arpeggio.size = 3;
}
break;
case FX_OKT_ARP4:
if (fxp != 0) {
xc->arpeggio.val[0] = 0;
xc->arpeggio.val[1] = LSN(fxp);
xc->arpeggio.val[2] = 0;
xc->arpeggio.val[3] = -MSN(fxp);
xc->arpeggio.size = 4;
}
break;
case FX_OKT_ARP5:
if (fxp != 0) {
xc->arpeggio.val[0] = LSN(fxp);
xc->arpeggio.val[1] = LSN(fxp);
xc->arpeggio.val[2] = 0;
xc->arpeggio.size = 3;
}
break;
#endif
case FX_PORTA_UP: /* Portamento up */
EFFECT_MEMORY(fxp, xc->freq.memory);
if (HAS_QUIRK(QUIRK_FINEFX)
&& (fnum == 0 || !HAS_QUIRK(QUIRK_ITVPOR))) {
switch (MSN(fxp)) {
case 0xf:
fxp &= 0x0f;
goto fx_f_porta_up;
case 0xe:
fxp &= 0x0f;
fxp |= 0x10;
goto fx_xf_porta;
}
}
SET(PITCHBEND);
if (fxp != 0) {
xc->freq.slide = -fxp;
if (HAS_QUIRK(QUIRK_UNISLD))
xc->porta.memory = fxp;
} else if (xc->freq.slide > 0) {
xc->freq.slide *= -1;
}
break;
case FX_PORTA_DN: /* Portamento down */
EFFECT_MEMORY(fxp, xc->freq.memory);
if (HAS_QUIRK(QUIRK_FINEFX)
&& (fnum == 0 || !HAS_QUIRK(QUIRK_ITVPOR))) {
switch (MSN(fxp)) {
case 0xf:
fxp &= 0x0f;
goto fx_f_porta_dn;
case 0xe:
fxp &= 0x0f;
fxp |= 0x20;
goto fx_xf_porta;
}
}
SET(PITCHBEND);
if (fxp != 0) {
xc->freq.slide = fxp;
if (HAS_QUIRK(QUIRK_UNISLD))
xc->porta.memory = fxp;
} else if (xc->freq.slide < 0) {
xc->freq.slide *= -1;
}
break;
case FX_TONEPORTA: /* Tone portamento */
if (HAS_QUIRK(QUIRK_IGSTPOR)) {
if (note == 0 && xc->porta.dir == 0)
break;
}
if (!IS_VALID_INSTRUMENT(xc->ins))
break;
do_toneporta(m, xc, note);
EFFECT_MEMORY_SETONLY(fxp, xc->porta.memory);
if (fxp != 0) {
if (HAS_QUIRK(QUIRK_UNISLD)) /* IT compatible Gxx off */
xc->freq.memory = fxp;
xc->porta.slide = fxp;
}
SET(TONEPORTA);
break;
case FX_VIBRATO: /* Vibrato */
EFFECT_MEMORY_SETONLY(fxp, xc->vibrato.memory);
SET(VIBRATO);
SET_LFO_NOTZERO(&xc->vibrato.lfo, LSN(fxp) << 2, MSN(fxp));
break;
case FX_FINE_VIBRATO: /* Fine vibrato */
EFFECT_MEMORY_SETONLY(fxp, xc->vibrato.memory);
SET(VIBRATO);
SET_LFO_NOTZERO(&xc->vibrato.lfo, LSN(fxp), MSN(fxp));
break;
case FX_TONE_VSLIDE: /* Toneporta + vol slide */
if (!IS_VALID_INSTRUMENT(xc->ins))
break;
do_toneporta(m, xc, note);
SET(TONEPORTA);
goto fx_volslide;
case FX_VIBRA_VSLIDE: /* Vibrato + vol slide */
SET(VIBRATO);
goto fx_volslide;
case FX_TREMOLO: /* Tremolo */
EFFECT_MEMORY_SETONLY(fxp, xc->tremolo.memory);
SET(TREMOLO);
SET_LFO_NOTZERO(&xc->tremolo.lfo, LSN(fxp), MSN(fxp));
break;
case FX_SETPAN: /* Set pan */
xc->pan.val = fxp;
break;
case FX_OFFSET: /* Set sample offset */
SET(OFFSET);
if (fxp) {
xc->offset_val = xc->offset = fxp << 8;
} else {
xc->offset_val = xc->offset;
}
break;
case FX_VOLSLIDE: /* Volume slide */
fx_volslide:
/* S3M file volume slide note:
* DFy Fine volume down by y (...) If y is 0, the command will
* be treated as a volume slide up with a value of f (15).
* If a DFF command is specified, the volume will be slid
* up.
*/
if (HAS_QUIRK(QUIRK_FINEFX)) {
h = MSN(fxp);
l = LSN(fxp);
if (l == 0xf && h != 0) {
xc->vol.memory = fxp;
fxp >>= 4;
goto fx_f_vslide_up;
} else if (h == 0xf && l != 0) {
xc->vol.memory = fxp;
fxp &= 0x0f;
goto fx_f_vslide_dn;
}
}
static void get_pbod(struct module_data *m, int size, xmp_file f, void *parm)
{
struct xmp_module *mod = &m->mod;
struct local_data *data = (struct local_data *)parm;
int j;
uint16 rows;
struct xmp_event *event;
if (data->pattern >= mod->pat)
return;
if (!data->pattern) {
PATTERN_INIT();
D_(D_INFO "Stored patterns: %d", mod->pat);
}
rows = read16b(f);
PATTERN_ALLOC(data->pattern);
mod->xxp[data->pattern]->rows = rows;
TRACK_ALLOC(data->pattern);
for (j = 0; j < rows * mod->chn; j++) {
uint8 note, ins;
event = &EVENT(data->pattern, j % mod->chn, j / mod->chn);
memset(event, 0, sizeof(struct xmp_event));
note = read8(f);
ins = read8(f);
if (note) {
event->note = 48 + note;
event->ins = 1 + ins;
}
event->fxt = fx[read8(f)];
event->fxp = read8(f);
if ((event->fxt == FX_VOLSET) && (event->fxp > 0x40)) {
if (event->fxp <= 0x50) {
event->fxt = FX_VOLSLIDE;
event->fxp -= 0x40;
} else if (event->fxp <= 0x60) {
event->fxt = FX_VOLSLIDE;
event->fxp = (event->fxp - 0x50) << 4;
} else if (event->fxp <= 0x70) {
event->fxt = FX_EXTENDED;
event->fxp = (EX_F_VSLIDE_DN << 4) | (event->fxp - 0x60);
} else if (event->fxp <= 0x80) {
event->fxt = FX_EXTENDED;
event->fxp = (EX_F_VSLIDE_UP << 4) | (event->fxp - 0x70);
}
}
if (event->fxt == FX_ARPEGGIO) /* Arpeggio fixup */
event->fxp = (((24 - MSN (event->fxp)) % 12) << 4) | LSN (event->fxp);
if (event->fxt == NONE)
event->fxt = event->fxp = 0;
}
data->pattern++;
}
void process_fx(struct xmp_context *ctx, int chn, uint8 note, uint8 fxt, uint8 fxp, struct xmp_channel *xc)
{
struct xmp_player_context *p = &ctx->p;
struct xmp_mod_context *m = &p->m;
int h, l;
switch (fxt) {
case FX_ARPEGGIO:
if (!fxp)
break;
xc->a_val[0] = 0;
xc->a_val[1] = 100 * MSN(fxp);
xc->a_val[2] = 100 * LSN(fxp);
xc->a_size = 3;
break;
case FX_OKT_ARP3:
if (!fxp)
break;
xc->a_val[0] = -100 * MSN(fxp);
xc->a_val[1] = 0;
xc->a_val[2] = 100 * LSN(fxp);;
xc->a_size = 3;
case FX_OKT_ARP4:
if (!fxp)
break;
xc->a_val[0] = 0;
xc->a_val[1] = 100 * LSN(fxp);;
xc->a_val[2] = 0;
xc->a_val[3] = -100 * MSN(fxp);
xc->a_size = 4;
break;
case FX_OKT_ARP5:
if (!fxp)
break;
xc->a_val[0] = 100 * LSN(fxp);;
xc->a_val[1] = 100 * LSN(fxp);;
xc->a_val[2] = 0;
xc->a_size = 3;
break;
case FX_PORTA_UP: /* Portamento up */
fx_porta_up:
if (m->fetch & XMP_CTL_FINEFX) {
switch (MSN(fxp)) {
case 0xf:
xc->porta = fxp;
fxp &= 0x0f;
goto ex_f_porta_up;
case 0xe:
xc->porta = fxp;
fxp &= 0x0e;
fxp |= 0x10;
goto fx_xf_porta;
}
if (!fxp) {
if ((fxp = xc->porta) != 0)
goto fx_porta_up;
}
}
SET(PITCHBEND);
if ((xc->porta = fxp) != 0)
xc->f_val = -fxp;
else if (xc->f_val > 0)
xc->f_val *= -1;
break;
case FX_PORTA_DN: /* Portamento down */
fx_porta_dn:
if (m->fetch & XMP_CTL_FINEFX) {
switch (MSN(fxp)) {
case 0xf:
xc->porta = fxp;
fxp &= 0x0f;
goto ex_f_porta_dn;
case 0xe:
xc->porta = fxp;
fxp &= 0x0e;
fxp |= 0x20;
goto fx_xf_porta;
}
if (!fxp) {
if ((fxp = xc->porta) != 0)
goto fx_porta_dn;
}
}
SET(PITCHBEND);
if ((xc->porta = fxp) != 0)
xc->f_val = fxp;
else if (xc->f_val < 0)
xc->f_val *= -1;
break;
case FX_TONEPORTA: /* Tone portamento */
if (!TEST (IS_VALID))
break;
DO_TONEPORTA();
if (fxp)
xc->s_val = fxp;
SET(TONEPORTA);
break;
case FX_PER_PORTA_UP: /* Persistent portamento up */
SET_PER(PITCHBEND);
xc->f_val = -fxp;
if ((xc->porta = fxp) == 0)
RESET_PER(PITCHBEND);
break;
case FX_PER_PORTA_DN: /* Persistent portamento down */
SET(PITCHBEND);
xc->f_val = fxp;
if ((xc->porta = fxp) == 0)
RESET_PER(PITCHBEND);
break;
case FX_PER_TPORTA: /* Persistent tone portamento */
if (!TEST(IS_VALID))
break;
SET_PER(TONEPORTA);
DO_TONEPORTA();
xc->s_val = fxp;
if (fxp == 0)
RESET_PER(TONEPORTA);
break;
case FX_PER_VSLD_UP: /* Persistent volslide up */
SET_PER(VOL_SLIDE);
xc->v_val = fxp;
if (fxp == 0)
RESET_PER(VOL_SLIDE);
break;
case FX_PER_VSLD_DN: /* Persistent volslide down */
SET_PER(VOL_SLIDE);
xc->v_val = -fxp;
if (fxp == 0)
RESET_PER(VOL_SLIDE);
break;
case FX_TEMPO_CP: /* Set tempo and ... */
if (fxp)
p->tempo = fxp;
/* fall through */
case FX_PER_CANCEL: /* Cancel persistent effects */
xc->per_flags = 0;
break;
case FX_VIBRATO: /* Vibrato */
SET(VIBRATO);
if (LSN(fxp))
xc->y_depth = LSN(fxp) * 4;
if (MSN(fxp))
xc->y_rate = MSN(fxp);
break;
case FX_FINE2_VIBRA: /* Fine vibrato (2x) */
SET(VIBRATO);
if (LSN(fxp))
xc->y_depth = LSN(fxp) * 2;
if (MSN(fxp))
xc->y_rate = MSN(fxp);
break;
case FX_FINE4_VIBRA: /* Fine vibrato (4x) */
SET(VIBRATO);
if (LSN(fxp))
xc->y_depth = LSN(fxp);
if (MSN(fxp))
xc->y_rate = MSN(fxp);
break;
case FX_PER_VIBRATO: /* Persistent vibrato */
SET_PER(VIBRATO);
if (LSN(fxp))
xc->y_depth = LSN(fxp) * 4;
else
RESET_PER(VIBRATO);
if (MSN(fxp))
xc->y_rate = MSN(fxp);
break;
case FX_TONE_VSLIDE: /* Toneporta + vol slide */
if (!TEST (IS_VALID))
break;
DO_TONEPORTA ();
SET(TONEPORTA);
goto fx_volslide;
case FX_VIBRA_VSLIDE: /* Vibrato + vol slide */
SET(VIBRATO);
goto fx_volslide;
case FX_TREMOLO: /* Tremolo */
SET(TREMOLO);
if (MSN(fxp))
xc->t_rate = MSN(fxp);
if (LSN(fxp))
xc->t_depth = LSN(fxp);
break;
case FX_SETPAN: /* Set pan */
SET(NEW_PAN);
xc->pan = fxp;
break;
case FX_OFFSET: /* Set sample offset */
SET(OFFSET);
if (fxp)
xc->offset_val = xc->offset = fxp << 8;
else
xc->offset_val = xc->offset;
break;
case FX_VOLSLIDE: /* Volume slide */
fx_volslide:
if (m->fetch & XMP_CTL_FINEFX) {
h = MSN(fxp);
l = LSN(fxp);
if (h == 0xf && l != 0) {
xc->volslide = fxp;
fxp &= 0x0f;
goto ex_f_vslide_dn;
} else if (h == 0xe && l != 0) {
xc->volslide = fxp;
fxp &= 0x0f;
goto ex_f_vslide_dn; /* FIXME */
} else if (l == 0xf && h != 0) {
xc->volslide = fxp;
fxp >>= 4;
goto ex_f_vslide_up;
} else if (l == 0xe && h != 0) {
static void get_patt(struct xmp_context *ctx, int size, FILE *f)
{
struct xmp_player_context *p = &ctx->p;
struct xmp_mod_context *m = &p->m;
int i, c, r, n, sz;
struct xxm_event *event, dummy;
uint8 x;
PATTERN_INIT();
reportv(ctx, 0, "Stored patterns: %d ", m->xxh->pat);
/*
* Note: channel and flag bytes are inverted in the format
* description document
*/
for (i = 0; i < m->xxh->pat; i++) {
PATTERN_ALLOC(i);
m->xxp[i]->rows = read16b(f);
TRACK_ALLOC(i);
sz = read32b(f);
//printf("rows = %d, size = %d\n", m->xxp[i]->rows, sz);
r = 0;
c = -1;
while (sz > 0) {
//printf(" offset=%x, sz = %d, ", ftell(f), sz);
c = read8(f);
if (--sz <= 0) break;
//printf("c = %02x\n", c);
if (c == 0) {
r++;
c = -1;
continue;
}
c--;
n = read8(f);
if (--sz <= 0) break;
//printf(" n = %d\n", n);
if (c >= m->xxh->chn || r >= m->xxp[i]->rows)
event = &dummy;
else
event = &EVENT(i, c, r);
if (n & 0x01) {
x = read8(f);
event->note = 1 + MSN(x) * 12 + LSN(x);
if (--sz <= 0) break;
}
if (n & 0x02) {
event->ins = read8(f);
if (--sz <= 0) break;
}
if (n & 0x04) {
event->fxt = read8(f);
if (--sz <= 0) break;
}
if (n & 0x08) {
event->fxp = read8(f);
if (--sz <= 0) break;
}
if (n & 0x10) {
event->f2t = read8(f);
if (--sz <= 0) break;
}
if (n & 0x20) {
event->f2p = read8(f);
if (--sz <= 0) break;
}
if (event->fxt == 0x1c)
event->fxt = FX_S3M_BPM;
if (event->fxt > 0x1c)
event->fxt = event->f2p = 0;
if (event->f2t == 0x1c)
event->f2t = FX_S3M_BPM;
if (event->f2t > 0x1c)
event->f2t = event->f2p = 0;
}
reportv(ctx, 0, ".");
}
reportv(ctx, 0, "\n");
}
static void get_patt(struct module_data *m, int size, FILE *f, void *parm)
{
struct xmp_module *mod = &m->mod;
int i, c, r, n, sz;
struct xmp_event *event, dummy;
uint8 x;
PATTERN_INIT();
D_(D_INFO "Stored patterns: %d ", mod->pat);
/*
* Note: channel and flag bytes are inverted in the format
* description document
*/
for (i = 0; i < mod->pat; i++) {
PATTERN_ALLOC(i);
mod->xxp[i]->rows = read16b(f);
TRACK_ALLOC(i);
sz = read32b(f);
//printf("rows = %d, size = %d\n", mod->xxp[i]->rows, sz);
r = 0;
c = -1;
while (sz > 0) {
//printf(" offset=%x, sz = %d, ", ftell(f), sz);
c = read8(f);
if (--sz <= 0) break;
//printf("c = %02x\n", c);
if (c == 0) {
r++;
c = -1;
continue;
}
c--;
n = read8(f);
if (--sz <= 0) break;
//printf(" n = %d\n", n);
if (c >= mod->chn || r >= mod->xxp[i]->rows)
event = &dummy;
else
event = &EVENT(i, c, r);
if (n & 0x01) {
x = read8(f);
event->note = 13 + MSN(x) * 12 + LSN(x);
if (--sz <= 0) break;
}
if (n & 0x02) {
event->ins = read8(f);
if (--sz <= 0) break;
}
if (n & 0x04) {
event->fxt = read8(f);
if (--sz <= 0) break;
}
if (n & 0x08) {
event->fxp = read8(f);
if (--sz <= 0) break;
}
if (n & 0x10) {
event->f2t = read8(f);
if (--sz <= 0) break;
}
if (n & 0x20) {
event->f2p = read8(f);
if (--sz <= 0) break;
}
if (event->fxt == 0x1c)
event->fxt = FX_S3M_BPM;
if (event->fxt > 0x1c)
event->fxt = event->f2p = 0;
if (event->f2t == 0x1c)
event->f2t = FX_S3M_BPM;
if (event->f2t > 0x1c)
event->f2t = event->f2p = 0;
}
}
}
static int get_pbod(struct module_data *m, int size, HIO_HANDLE *f, void *parm)
{
struct xmp_module *mod = &m->mod;
struct local_data *data = (struct local_data *)parm;
struct xmp_event *e;
uint16 rows;
int j;
if (data->pattern >= mod->pat)
return 0;
if (!data->pattern) {
if (pattern_init(mod) < 0)
return -1;
D_(D_INFO "Stored patterns: %d", mod->pat);
}
rows = hio_read16b(f);
if (pattern_tracks_alloc(mod, data->pattern, rows) < 0)
return -1;
for (j = 0; j < rows * mod->chn; j++) {
uint8 note, ins;
e = &EVENT(data->pattern, j % mod->chn, j / mod->chn);
memset(e, 0, sizeof(struct xmp_event));
note = hio_read8(f);
ins = hio_read8(f);
if (note) {
e->note = 48 + note;
e->ins = 1 + ins;
}
e->fxt = fx[hio_read8(f)];
e->fxp = hio_read8(f);
if ((e->fxt == FX_VOLSET) && (e->fxp > 0x40)) {
if (e->fxp <= 0x50) {
e->fxt = FX_VOLSLIDE;
e->fxp -= 0x40;
} else if (e->fxp <= 0x60) {
e->fxt = FX_VOLSLIDE;
e->fxp = (e->fxp - 0x50) << 4;
} else if (e->fxp <= 0x70) {
e->fxt = FX_F_VSLIDE_DN;
e->fxp = e->fxp - 0x60;
} else if (e->fxp <= 0x80) {
e->fxt = FX_F_VSLIDE_UP;
e->fxp = e->fxp - 0x70;
}
}
if (e->fxt == FX_ARPEGGIO) /* Arpeggio fixup */
e->fxp = (((24 - MSN(e->fxp)) % 12) << 4) | LSN(e->fxp);
if (e->fxt == NONE)
e->fxt = e->fxp = 0;
}
data->pattern++;
return 0;
}
void mmd_xlat_fx(struct xmp_event *event, int bpm_on, int bpmlen, int med_8ch)
{
if (event->fxt > 0x0f) {
event->fxt = event->fxp = 0;
return;
}
switch (event->fxt) {
case 0x05: /* Old vibrato */
event->fxp = (LSN(event->fxp) << 4) | MSN(event->fxp);
break;
case 0x06: /* Not defined in MED 3.2 */
case 0x07: /* Not defined in MED 3.2 */
break;
case 0x08: /* Set hold/decay */
break;
case 0x09: /* Set secondary tempo */
event->fxt = FX_SPEED;
break;
case 0x0d: /* Volume slide */
event->fxt = FX_VOLSLIDE;
break;
case 0x0e: /* Synth JMP */
break;
case 0x0f:
if (event->fxp == 0x00) { /* Jump to next block */
event->fxt = 0x0d;
break;
} else if (event->fxp <= 0xf0) {
event->fxt = FX_S3M_BPM;
event->fxp = med_8ch ? mmd_get_8ch_tempo(event->fxp) : (bpm_on ? event->fxp/bpmlen : event->fxp);
break;
} else switch (event->fxp) {
case 0xf1: /* Play note twice */
event->fxt = FX_EXTENDED;
event->fxp = (EX_RETRIG << 4) | 3;
break;
case 0xf2: /* Delay note */
event->fxt = FX_EXTENDED;
event->fxp = (EX_DELAY << 4) | 3;
break;
case 0xf3: /* Play note three times */
event->fxt = FX_EXTENDED;
event->fxp = (EX_RETRIG << 4) | 2;
break;
case 0xf8: /* Turn filter off */
case 0xf9: /* Turn filter on */
case 0xfa: /* MIDI pedal on */
case 0xfb: /* MIDI pedal off */
case 0xfd: /* Set pitch */
case 0xfe: /* End of song */
event->fxt = event->fxp = 0;
break;
case 0xff: /* Note cut */
event->fxt = FX_EXTENDED;
event->fxp = (EX_CUT << 4) | 3;
break;
default:
event->fxt = event->fxp = 0;
}
break;
}
}
static int unpack_block(struct module_data *m, uint16 bnum, uint8 *from)
{
struct xmp_module *mod = &m->mod;
struct xmp_event *event;
uint32 linemsk0 = *((uint32 *)from), linemsk1 = *((uint32 *)from + 1);
uint32 fxmsk0 = *((uint32 *)from + 2), fxmsk1 = *((uint32 *)from + 3);
uint32 *lmptr = &linemsk0, *fxptr = &fxmsk0;
uint16 fromn = 0, lmsk;
uint8 *fromst = from + 16, bcnt, *tmpto;
uint8 *patbuf, *to;
int i, j, trkn = mod->chn;
from += 16;
patbuf = to = calloc(3, 4 * 64);
if (to == NULL)
return -1;
for (i = 0; i < 64; i++) {
if (i == 32) {
lmptr = &linemsk1;
fxptr = &fxmsk1;
}
if (*lmptr & MASK) {
lmsk = get_nibbles(fromst, &fromn, (uint8)(trkn / 4));
lmsk <<= (16 - trkn);
tmpto = to;
for (bcnt = 0; bcnt < trkn; bcnt++) {
if (lmsk & 0x8000) {
*tmpto = (uint8)get_nibbles(fromst,
&fromn,2);
*(tmpto + 1) = (get_nibble(fromst,
&fromn) << 4);
}
lmsk <<= 1;
tmpto += 3;
}
}
if (*fxptr & MASK) {
lmsk = get_nibbles(fromst,&fromn,(uint8)(trkn / 4));
lmsk <<= (16 - trkn);
tmpto = to;
for (bcnt = 0; bcnt < trkn; bcnt++) {
if (lmsk & 0x8000) {
*(tmpto+1) |= get_nibble(fromst,
&fromn);
*(tmpto+2) = (uint8)get_nibbles(fromst,
&fromn,2);
}
lmsk <<= 1;
tmpto += 3;
}
}
to += 3 * trkn;
*lmptr <<= 1;
*fxptr <<= 1;
}
for (i = 0; i < 64; i++) {
for (j = 0; j < 4; j++) {
event = &EVENT(bnum, j, i);
event->note = patbuf[i * 12 + j * 3 + 0];
if (event->note)
event->note += 48;
event->ins = patbuf[i * 12 + j * 3 + 1] >> 4;
if (event->ins)
event->ins++;
event->fxt = patbuf[i * 12 + j * 3 + 1] & 0x0f;
event->fxp = patbuf[i * 12 + j * 3 + 2];
switch (event->fxt) {
case 0x00: /* arpeggio */
case 0x01: /* slide up */
case 0x02: /* slide down */
case 0x03: /* portamento */
case 0x04: /* vibrato? */
break;
case 0x0c: /* set volume (BCD) */
event->fxp = MSN(event->fxp) * 10 +
LSN(event->fxp);
break;
case 0x0d: /* volume slides */
event->fxt = FX_VOLSLIDE;
break;
case 0x0f: /* tempo/break */
if (event->fxp == 0)
event->fxt = FX_BREAK;
if (event->fxp == 0xff) {
event->fxp = event->fxt = 0;
event->vol = 1;
} else if (event->fxp == 0xfe) {
event->fxp = event->fxt = 0;
} else if (event->fxp == 0xf1) {
event->fxt = FX_EXTENDED;
event->fxp = (EX_RETRIG << 4) | 3;
} else if (event->fxp == 0xf2) {
event->fxt = FX_EXTENDED;
event->fxp = (EX_CUT << 4) | 3;
} else if (event->fxp == 0xf3) {
event->fxt = FX_EXTENDED;
event->fxp = (EX_DELAY << 4) | 3;
} else if (event->fxp > 10) {
event->fxt = FX_S3M_BPM;
event->fxp = 125 * event->fxp / 33;
}
break;
default:
event->fxp = event->fxt = 0;
}
}
}
free(patbuf);
return 0;
}
static void xlat_fx(int c, struct xmp_event *e, uint8 *last_fxp, int new_fx)
{
uint8 h = MSN(e->fxp), l = LSN(e->fxp);
switch (e->fxt = fx[e->fxt]) {
case FX_XTND: /* Extended effect */
e->fxt = FX_EXTENDED;
if (h == 0 && e->fxp == 0) {
e->fxp = last_fxp[c];
h = MSN(e->fxp);
l = LSN(e->fxp);
} else {
last_fxp[c] = e->fxp;
}
switch (h) {
case 0x1: /* Glissando */
e->fxp = 0x30 | l;
break;
case 0x2: /* Finetune */
e->fxp = 0x50 | l;
break;
case 0x3: /* Vibrato wave */
e->fxp = 0x40 | l;
break;
case 0x4: /* Tremolo wave */
e->fxp = 0x70 | l;
break;
case 0x5: /* Panbrello wave */
if (l <= 3) {
e->fxt = FX_PANBRELLO_WF;
e->fxp = l;
} else {
e->fxt = e->fxp = 0;
}
break;
case 0x6: /* Pattern delay */
e->fxp = 0xe0 | l;
break;
case 0x7: /* Instrument functions */
e->fxt = FX_IT_INSTFUNC;
e->fxp &= 0x0f;
break;
case 0x8: /* Set pan position */
e->fxt = FX_MASTER_PAN;
e->fxp = l << 4;
break;
case 0x9: /* 0x91 = set surround -- NOT IMPLEMENTED */
e->fxt = e->fxp = 0;
break;
case 0xb: /* Pattern loop */
e->fxp = 0x60 | l;
break;
case 0xc: /* Note cut */
case 0xd: /* Note delay */
if ((e->fxp = l) == 0)
e->fxp++; /* SD0 and SC0 becomes SD1 and SC1 */
e->fxp |= h << 4;
break;
case 0xe: /* Pattern row delay */
e->fxt = FX_IT_ROWDELAY;
e->fxp = l;
break;
default:
e->fxt = e->fxp = 0;
}
break;
case FX_FLT_CUTOFF:
if (e->fxp > 0x7f && e->fxp < 0x90) { /* Resonance */
e->fxt = FX_FLT_RESN;
e->fxp = (e->fxp - 0x80) * 16;
} else { /* Cutoff */
e->fxp *= 2;
}
break;
case FX_TREMOR:
if (!new_fx && e->fxp != 0) {
e->fxp = ((MSN(e->fxp) + 1) << 4) | (LSN(e->fxp) + 1);
}
break;
case FX_GLOBALVOL:
if (e->fxp > 0x80) { /* See storlek test 16 */
e->fxt = e->fxp = 0;
}
break;
case FX_NONE: /* No effect */
e->fxt = e->fxp = 0;
break;
}
}
static int mgt_load(struct module_data *m, HIO_HANDLE *f, const int start)
{
struct xmp_module *mod = &m->mod;
struct xmp_event *event;
int i, j;
int ver;
int sng_ptr, seq_ptr, ins_ptr, pat_ptr, trk_ptr, smp_ptr;
int sdata[64];
LOAD_INIT();
hio_read24b(f); /* MGT */
ver = hio_read8(f);
hio_read32b(f); /* MCS */
set_type(m, "Megatracker MGT v%d.%d", MSN(ver), LSN(ver));
mod->chn = hio_read16b(f);
hio_read16b(f); /* number of songs */
mod->len = hio_read16b(f);
mod->pat = hio_read16b(f);
mod->trk = hio_read16b(f);
mod->ins = mod->smp = hio_read16b(f);
hio_read16b(f); /* reserved */
hio_read32b(f); /* reserved */
sng_ptr = hio_read32b(f);
seq_ptr = hio_read32b(f);
ins_ptr = hio_read32b(f);
pat_ptr = hio_read32b(f);
trk_ptr = hio_read32b(f);
smp_ptr = hio_read32b(f);
hio_read32b(f); /* total smp len */
hio_read32b(f); /* unpacked trk size */
hio_seek(f, start + sng_ptr, SEEK_SET);
hio_read(mod->name, 1, 32, f);
seq_ptr = hio_read32b(f);
mod->len = hio_read16b(f);
mod->rst = hio_read16b(f);
mod->bpm = hio_read8(f);
mod->spd = hio_read8(f);
hio_read16b(f); /* global volume */
hio_read8(f); /* master L */
hio_read8(f); /* master R */
for (i = 0; i < mod->chn; i++) {
hio_read16b(f); /* pan */
}
MODULE_INFO();
/* Sequence */
hio_seek(f, start + seq_ptr, SEEK_SET);
for (i = 0; i < mod->len; i++)
mod->xxo[i] = hio_read16b(f);
/* Instruments */
if (instrument_init(mod) < 0)
return -1;
hio_seek(f, start + ins_ptr, SEEK_SET);
for (i = 0; i < mod->ins; i++) {
int c2spd, flags;
if (subinstrument_alloc(mod, i , 1) < 0)
return -1;
hio_read(mod->xxi[i].name, 1, 32, f);
sdata[i] = hio_read32b(f);
mod->xxs[i].len = hio_read32b(f);
mod->xxs[i].lps = hio_read32b(f);
mod->xxs[i].lpe = mod->xxs[i].lps + hio_read32b(f);
hio_read32b(f);
hio_read32b(f);
c2spd = hio_read32b(f);
c2spd_to_note(c2spd, &mod->xxi[i].sub[0].xpo, &mod->xxi[i].sub[0].fin);
mod->xxi[i].sub[0].vol = hio_read16b(f) >> 4;
hio_read8(f); /* vol L */
hio_read8(f); /* vol R */
mod->xxi[i].sub[0].pan = 0x80;
flags = hio_read8(f);
mod->xxs[i].flg = flags & 0x03 ? XMP_SAMPLE_LOOP : 0;
mod->xxs[i].flg |= flags & 0x02 ? XMP_SAMPLE_LOOP_BIDIR : 0;
mod->xxi[i].sub[0].fin += 0 * hio_read8(f); // FIXME
hio_read8(f); /* unused */
hio_read8(f);
hio_read8(f);
hio_read8(f);
hio_read16b(f);
hio_read32b(f);
hio_read32b(f);
mod->xxi[i].nsm = !!mod->xxs[i].len;
mod->xxi[i].sub[0].sid = i;
D_(D_INFO "[%2X] %-32.32s %04x %04x %04x %c V%02x %5d\n",
i, mod->xxi[i].name,
mod->xxs[i].len, mod->xxs[i].lps, mod->xxs[i].lpe,
mod->xxs[i].flg & XMP_SAMPLE_LOOP_BIDIR ? 'B' :
mod->xxs[i].flg & XMP_SAMPLE_LOOP ? 'L' : ' ',
mod->xxi[i].sub[0].vol, c2spd);
}
/* PATTERN_INIT - alloc extra track*/
if (pattern_init(mod) < 0)
return -1;
D_(D_INFO "Stored tracks: %d", mod->trk);
/* Tracks */
for (i = 1; i < mod->trk; i++) {
int offset, rows;
uint8 b;
hio_seek(f, start + trk_ptr + i * 4, SEEK_SET);
offset = hio_read32b(f);
hio_seek(f, start + offset, SEEK_SET);
rows = hio_read16b(f);
if (track_alloc(mod, i, rows) < 0)
return -1;
//printf("\n=== Track %d ===\n\n", i);
for (j = 0; j < rows; j++) {
uint8 note, f2p;
b = hio_read8(f);
j += b & 0x03;
note = 0;
event = &mod->xxt[i]->event[j];
if (b & 0x04)
note = hio_read8(f);
if (b & 0x08)
event->ins = hio_read8(f);
if (b & 0x10)
event->vol = hio_read8(f);
if (b & 0x20)
event->fxt = hio_read8(f);
if (b & 0x40)
event->fxp = hio_read8(f);
if (b & 0x80)
f2p = hio_read8(f);
if (note == 1)
event->note = XMP_KEY_OFF;
else if (note > 11) /* adjusted to play codeine.mgt */
event->note = note + 1;
/* effects */
if (event->fxt < 0x10)
/* like amiga */ ;
else switch (event->fxt) {
case 0x13:
case 0x14:
case 0x15:
case 0x17:
case 0x1c:
case 0x1d:
case 0x1e:
event->fxt = FX_EXTENDED;
event->fxp = ((event->fxt & 0x0f) << 4) |
(event->fxp & 0x0f);
break;
default:
event->fxt = event->fxp = 0;
}
/* volume and volume column effects */
if ((event->vol >= 0x10) && (event->vol <= 0x50)) {
event->vol -= 0x0f;
continue;
}
switch (event->vol >> 4) {
case 0x06: /* Volume slide down */
event->f2t = FX_VOLSLIDE_2;
event->f2p = event->vol - 0x60;
break;
case 0x07: /* Volume slide up */
event->f2t = FX_VOLSLIDE_2;
event->f2p = (event->vol - 0x70) << 4;
break;
case 0x08: /* Fine volume slide down */
event->f2t = FX_EXTENDED;
event->f2p = (EX_F_VSLIDE_DN << 4) |
(event->vol - 0x80);
break;
case 0x09: /* Fine volume slide up */
event->f2t = FX_EXTENDED;
event->f2p = (EX_F_VSLIDE_UP << 4) |
(event->vol - 0x90);
break;
case 0x0a: /* Set vibrato speed */
event->f2t = FX_VIBRATO;
event->f2p = (event->vol - 0xa0) << 4;
break;
case 0x0b: /* Vibrato */
event->f2t = FX_VIBRATO;
event->f2p = event->vol - 0xb0;
break;
case 0x0c: /* Set panning */
event->f2t = FX_SETPAN;
event->f2p = ((event->vol - 0xc0) << 4) + 8;
break;
case 0x0d: /* Pan slide left */
event->f2t = FX_PANSLIDE;
event->f2p = (event->vol - 0xd0) << 4;
break;
case 0x0e: /* Pan slide right */
event->f2t = FX_PANSLIDE;
event->f2p = event->vol - 0xe0;
break;
case 0x0f: /* Tone portamento */
event->f2t = FX_TONEPORTA;
event->f2p = (event->vol - 0xf0) << 4;
break;
}
event->vol = 0;
/*printf("%02x %02x %02x %02x %02x %02x\n",
j, event->note, event->ins, event->vol,
event->fxt, event->fxp);*/
}
}
/* Extra track */
mod->xxt[0] = calloc(sizeof(struct xmp_track) +
sizeof(struct xmp_event) * 64 - 1, 1);
mod->xxt[0]->rows = 64;
/* Read and convert patterns */
D_(D_INFO "Stored patterns: %d", mod->pat);
hio_seek(f, start + pat_ptr, SEEK_SET);
for (i = 0; i < mod->pat; i++) {
if (pattern_alloc(mod, i) < 0)
return -1;
mod->xxp[i]->rows = hio_read16b(f);
for (j = 0; j < mod->chn; j++) {
mod->xxp[i]->index[j] = hio_read16b(f) - 1;
}
}
/* Read samples */
D_(D_INFO "Stored samples: %d", mod->smp);
for (i = 0; i < mod->ins; i++) {
if (mod->xxi[i].nsm == 0)
continue;
hio_seek(f, start + sdata[i], SEEK_SET);
if (load_sample(m, f, 0, &mod->xxs[i], NULL) < 0)
return -1;
}
return 0;
}
static int mtm_load(struct module_data *m, HIO_HANDLE *f, const int start)
{
struct xmp_module *mod = &m->mod;
int i, j;
struct mtm_file_header mfh;
struct mtm_instrument_header mih;
uint8 mt[192];
uint16 mp[32];
LOAD_INIT();
hio_read(&mfh.magic, 3, 1, f); /* "MTM" */
mfh.version = hio_read8(f); /* MSN=major, LSN=minor */
hio_read(&mfh.name, 20, 1, f); /* ASCIIZ Module name */
mfh.tracks = hio_read16l(f); /* Number of tracks saved */
mfh.patterns = hio_read8(f); /* Number of patterns saved */
mfh.modlen = hio_read8(f); /* Module length */
mfh.extralen = hio_read16l(f); /* Length of the comment field */
mfh.samples = hio_read8(f); /* Number of samples */
mfh.attr = hio_read8(f); /* Always zero */
mfh.rows = hio_read8(f); /* Number rows per track */
mfh.channels = hio_read8(f); /* Number of tracks per pattern */
hio_read(&mfh.pan, 32, 1, f); /* Pan positions for each channel */
#if 0
if (strncmp ((char *)mfh.magic, "MTM", 3))
return -1;
#endif
mod->trk = mfh.tracks + 1;
mod->pat = mfh.patterns + 1;
mod->len = mfh.modlen + 1;
mod->ins = mfh.samples;
mod->smp = mod->ins;
mod->chn = mfh.channels;
mod->spd = 6;
mod->bpm = 125;
strncpy(mod->name, (char *)mfh.name, 20);
set_type(m, "MultiTracker %d.%02d MTM", MSN(mfh.version), LSN(mfh.version));
MODULE_INFO();
if (instrument_init(mod) < 0)
return -1;
/* Read and convert instruments */
for (i = 0; i < mod->ins; i++) {
if (subinstrument_alloc(mod, i, 1) < 0)
return -1;
hio_read(&mih.name, 22, 1, f); /* Instrument name */
mih.length = hio_read32l(f); /* Instrument length in bytes */
mih.loop_start = hio_read32l(f); /* Sample loop start */
mih.loopend = hio_read32l(f); /* Sample loop end */
mih.finetune = hio_read8(f); /* Finetune */
mih.volume = hio_read8(f); /* Playback volume */
mih.attr = hio_read8(f); /* &0x01: 16bit sample */
mod->xxs[i].len = mih.length;
mod->xxs[i].lps = mih.loop_start;
mod->xxs[i].lpe = mih.loopend;
mod->xxs[i].flg = mod->xxs[i].lpe ? XMP_SAMPLE_LOOP : 0; /* 1 == Forward loop */
if (mfh.attr & 1) {
mod->xxs[i].flg |= XMP_SAMPLE_16BIT;
mod->xxs[i].len >>= 1;
mod->xxs[i].lps >>= 1;
mod->xxs[i].lpe >>= 1;
}
mod->xxi[i].sub[0].vol = mih.volume;
mod->xxi[i].sub[0].fin = mih.finetune;
mod->xxi[i].sub[0].pan = 0x80;
mod->xxi[i].sub[0].sid = i;
instrument_name(mod, i, mih.name, 22);
if (mod->xxs[i].len > 0)
mod->xxi[i].nsm = 1;
D_(D_INFO "[%2X] %-22.22s %04x%c%04x %04x %c V%02x F%+03d\n", i,
mod->xxi[i].name, mod->xxs[i].len,
mod->xxs[i].flg & XMP_SAMPLE_16BIT ? '+' : ' ',
mod->xxs[i].lps, mod->xxs[i].lpe,
mod->xxs[i].flg & XMP_SAMPLE_LOOP ? 'L' : ' ',
mod->xxi[i].sub[0].vol, mod->xxi[i].sub[0].fin - 0x80);
}
static int mgt_load(struct xmp_context *ctx, FILE *f, const int start)
{
struct xmp_player_context *p = &ctx->p;
struct xmp_mod_context *m = &p->m;
struct xxm_event *event;
int i, j;
int ver;
int sng_ptr, seq_ptr, ins_ptr, pat_ptr, trk_ptr, smp_ptr;
int sdata[64];
LOAD_INIT();
read24b(f); /* MGT */
ver = read8(f);
read32b(f); /* MCS */
sprintf(m->type, "MGT v%d.%d (Megatracker)", MSN(ver), LSN(ver));
m->xxh->chn = read16b(f);
read16b(f); /* number of songs */
m->xxh->len = read16b(f);
m->xxh->pat = read16b(f);
m->xxh->trk = read16b(f);
m->xxh->ins = m->xxh->smp = read16b(f);
read16b(f); /* reserved */
read32b(f); /* reserved */
sng_ptr = read32b(f);
seq_ptr = read32b(f);
ins_ptr = read32b(f);
pat_ptr = read32b(f);
trk_ptr = read32b(f);
smp_ptr = read32b(f);
read32b(f); /* total smp len */
read32b(f); /* unpacked trk size */
fseek(f, start + sng_ptr, SEEK_SET);
fread(m->name, 1, 32, f);
seq_ptr = read32b(f);
m->xxh->len = read16b(f);
m->xxh->rst = read16b(f);
m->xxh->bpm = read8(f);
m->xxh->tpo = read8(f);
read16b(f); /* global volume */
read8(f); /* master L */
read8(f); /* master R */
for (i = 0; i < m->xxh->chn; i++) {
read16b(f); /* pan */
}
MODULE_INFO();
/* Sequence */
fseek(f, start + seq_ptr, SEEK_SET);
for (i = 0; i < m->xxh->len; i++)
m->xxo[i] = read16b(f);
/* Instruments */
INSTRUMENT_INIT();
fseek(f, start + ins_ptr, SEEK_SET);
reportv(ctx, 1, " Name Len LBeg LEnd L Vol C2Spd\n");
for (i = 0; i < m->xxh->ins; i++) {
int c2spd, flags;
m->xxi[i] = calloc(sizeof(struct xxm_instrument), 1);
fread(m->xxih[i].name, 1, 32, f);
sdata[i] = read32b(f);
m->xxs[i].len = read32b(f);
m->xxs[i].lps = read32b(f);
m->xxs[i].lpe = m->xxs[i].lps + read32b(f);
read32b(f);
read32b(f);
c2spd = read32b(f);
c2spd_to_note(c2spd, &m->xxi[i][0].xpo, &m->xxi[i][0].fin);
m->xxi[i][0].vol = read16b(f) >> 4;
read8(f); /* vol L */
read8(f); /* vol R */
m->xxi[i][0].pan = 0x80;
flags = read8(f);
m->xxs[i].flg = flags & 0x03 ? WAVE_LOOPING : 0;
m->xxs[i].flg |= flags & 0x02 ? WAVE_BIDIR_LOOP : 0;
m->xxi[i][0].fin += 0 * read8(f); // FIXME
read8(f); /* unused */
read8(f);
read8(f);
read8(f);
read16b(f);
read32b(f);
read32b(f);
m->xxih[i].nsm = !!m->xxs[i].len;
m->xxi[i][0].sid = i;
if (V(1) && (strlen((char*)m->xxih[i].name) || (m->xxs[i].len > 1))) {
report("[%2X] %-32.32s %04x %04x %04x %c V%02x %5d\n",
i, m->xxih[i].name,
m->xxs[i].len, m->xxs[i].lps, m->xxs[i].lpe,
m->xxs[i].flg & WAVE_BIDIR_LOOP ? 'B' :
m->xxs[i].flg & WAVE_LOOPING ? 'L' : ' ',
m->xxi[i][0].vol, c2spd);
}
}
/* PATTERN_INIT - alloc extra track*/
PATTERN_INIT();
reportv(ctx, 0, "Stored tracks : %d ", m->xxh->trk);
/* Tracks */
for (i = 1; i < m->xxh->trk; i++) {
int offset, rows;
uint8 b;
fseek(f, start + trk_ptr + i * 4, SEEK_SET);
offset = read32b(f);
fseek(f, start + offset, SEEK_SET);
rows = read16b(f);
m->xxt[i] = calloc(sizeof(struct xxm_track) +
sizeof(struct xxm_event) * rows, 1);
m->xxt[i]->rows = rows;
//printf("\n=== Track %d ===\n\n", i);
for (j = 0; j < rows; j++) {
uint8 note, f2p;
b = read8(f);
j += b & 0x03;
note = 0;
event = &m->xxt[i]->event[j];
if (b & 0x04)
note = read8(f);
if (b & 0x08)
event->ins = read8(f);
if (b & 0x10)
event->vol = read8(f);
if (b & 0x20)
event->fxt = read8(f);
if (b & 0x40)
event->fxp = read8(f);
if (b & 0x80)
f2p = read8(f);
if (note == 1)
event->note = XMP_KEY_OFF;
else if (note > 11) /* adjusted to play codeine.mgt */
event->note = note - 11;
/* effects */
if (event->fxt < 0x10)
/* like amiga */ ;
else switch (event->fxt) {
case 0x13:
case 0x14:
case 0x15:
case 0x17:
case 0x1c:
case 0x1d:
case 0x1e:
event->fxt = FX_EXTENDED;
event->fxp = ((event->fxt & 0x0f) << 4) |
(event->fxp & 0x0f);
break;
default:
event->fxt = event->fxp = 0;
}
/* volume and volume column effects */
if ((event->vol >= 0x10) && (event->vol <= 0x50)) {
event->vol -= 0x0f;
continue;
}
switch (event->vol >> 4) {
case 0x06: /* Volume slide down */
event->f2t = FX_VOLSLIDE_2;
event->f2p = event->vol - 0x60;
break;
case 0x07: /* Volume slide up */
event->f2t = FX_VOLSLIDE_2;
event->f2p = (event->vol - 0x70) << 4;
break;
case 0x08: /* Fine volume slide down */
event->f2t = FX_EXTENDED;
event->f2p = (EX_F_VSLIDE_DN << 4) |
(event->vol - 0x80);
break;
case 0x09: /* Fine volume slide up */
event->f2t = FX_EXTENDED;
event->f2p = (EX_F_VSLIDE_UP << 4) |
(event->vol - 0x90);
break;
case 0x0a: /* Set vibrato speed */
event->f2t = FX_VIBRATO;
event->f2p = (event->vol - 0xa0) << 4;
break;
case 0x0b: /* Vibrato */
event->f2t = FX_VIBRATO;
event->f2p = event->vol - 0xb0;
break;
case 0x0c: /* Set panning */
event->f2t = FX_SETPAN;
event->f2p = ((event->vol - 0xc0) << 4) + 8;
break;
case 0x0d: /* Pan slide left */
event->f2t = FX_PANSLIDE;
event->f2p = (event->vol - 0xd0) << 4;
break;
case 0x0e: /* Pan slide right */
event->f2t = FX_PANSLIDE;
event->f2p = event->vol - 0xe0;
break;
case 0x0f: /* Tone portamento */
event->f2t = FX_TONEPORTA;
event->f2p = (event->vol - 0xf0) << 4;
break;
}
event->vol = 0;
/*printf("%02x %02x %02x %02x %02x %02x\n",
j, event->note, event->ins, event->vol,
event->fxt, event->fxp);*/
}
if (V(0) && i % m->xxh->chn == 0)
report(".");
}
reportv(ctx, 0, "\n");
/* Extra track */
m->xxt[0] = calloc(sizeof(struct xxm_track) +
sizeof(struct xxm_event) * 64 - 1, 1);
m->xxt[0]->rows = 64;
/* Read and convert patterns */
reportv(ctx, 0, "Stored patterns: %d ", m->xxh->pat);
fseek(f, start + pat_ptr, SEEK_SET);
for (i = 0; i < m->xxh->pat; i++) {
PATTERN_ALLOC(i);
m->xxp[i]->rows = read16b(f);
for (j = 0; j < m->xxh->chn; j++) {
m->xxp[i]->info[j].index = read16b(f) - 1;
//printf("%3d ", m->xxp[i]->info[j].index);
}
reportv(ctx, 0, ".");
//printf("\n");
}
reportv(ctx, 0, "\n");
/* Read samples */
reportv(ctx, 0, "Stored samples : %d ", m->xxh->smp);
for (i = 0; i < m->xxh->ins; i++) {
if (m->xxih[i].nsm == 0)
continue;
fseek(f, start + sdata[i], SEEK_SET);
xmp_drv_loadpatch(ctx, f, m->xxi[i][0].sid, m->c4rate, 0,
&m->xxs[m->xxi[i][0].sid], NULL);
reportv(ctx, 0, ".");
}
reportv(ctx, 0, "\n");
return 0;
}
static int s3m_load(struct module_data *m, FILE *f, const int start)
{
struct xmp_module *mod = &m->mod;
int c, r, i;
struct s3m_adlib_header sah;
struct xmp_event *event = 0, dummy;
struct s3m_file_header sfh;
struct s3m_instrument_header sih;
int pat_len;
uint8 n, b, x8;
char tracker_name[40];
int quirk87 = 0;
uint16 *pp_ins; /* Parapointers to instruments */
uint16 *pp_pat; /* Parapointers to patterns */
uint8 arpeggio_val[32];
LOAD_INIT();
fread(&sfh.name, 28, 1, f); /* Song name */
read8(f); /* 0x1a */
sfh.type = read8(f); /* File type */
read16l(f); /* Reserved */
sfh.ordnum = read16l(f); /* Number of orders (must be even) */
sfh.insnum = read16l(f); /* Number of instruments */
sfh.patnum = read16l(f); /* Number of patterns */
sfh.flags = read16l(f); /* Flags */
sfh.version = read16l(f); /* Tracker ID and version */
sfh.ffi = read16l(f); /* File format information */
sfh.magic = read32b(f); /* 'SCRM' */
sfh.gv = read8(f); /* Global volume */
sfh.is = read8(f); /* Initial speed */
sfh.it = read8(f); /* Initial tempo */
sfh.mv = read8(f); /* Master volume */
sfh.uc = read8(f); /* Ultra click removal */
sfh.dp = read8(f); /* Default pan positions if 0xfc */
read32l(f); /* Reserved */
read32l(f); /* Reserved */
sfh.special = read16l(f); /* Ptr to special custom data */
fread(sfh.chset, 32, 1, f); /* Channel settings */
#if 0
if (sfh.magic != MAGIC_SCRM)
return -1;
#endif
/* S3M anomaly in return_of_litmus.s3m */
if (sfh.version == 0x1301 && sfh.name[27] == 0x87)
quirk87 = 1;
if (quirk87) {
fix87(sfh.name);
fix87(sfh.patnum);
fix87(sfh.flags);
}
copy_adjust(mod->name, sfh.name, 28);
/* Load and convert header */
mod->len = sfh.ordnum;
mod->ins = sfh.insnum;
mod->smp = mod->ins;
mod->pat = sfh.patnum;
pp_ins = calloc (2, mod->ins);
pp_pat = calloc (2, mod->pat);
if (sfh.flags & S3M_AMIGA_RANGE)
m->quirk |= QUIRK_MODRNG;
if (sfh.flags & S3M_ST300_VOLS)
m->quirk |= QUIRK_VSALL;
/* m->volbase = 4096 / sfh.gv; */
mod->spd = sfh.is;
mod->bpm = sfh.it;
for (i = 0; i < 32; i++) {
if (sfh.chset[i] == S3M_CH_OFF)
continue;
mod->chn = i + 1;
if (sfh.mv & 0x80) { /* stereo */
int x = sfh.chset[i] & S3M_CH_PAN;
mod->xxc[i].pan = (x & 0x0f) < 8 ? 0x00 : 0xff;
} else {
mod->xxc[i].pan = 0x80;
}
}
mod->trk = mod->pat * mod->chn;
fread(mod->xxo, 1, mod->len, f);
for (i = 0; i < mod->ins; i++)
pp_ins[i] = read16l(f);
for (i = 0; i < mod->pat; i++)
pp_pat[i] = read16l(f);
/* Default pan positions */
for (i = 0, sfh.dp -= 0xfc; !sfh.dp /* && n */ && (i < 32); i++) {
uint8 x = read8(f);
if (x & S3M_PAN_SET)
mod->xxc[i].pan = (x << 4) & 0xff;
else
mod->xxc[i].pan = sfh.mv % 0x80 ? 0x30 + 0xa0 * (i & 1) : 0x80;
}
m->c4rate = C4_NTSC_RATE;
if (sfh.version == 0x1300)
m->quirk |= QUIRK_VSALL;
switch (sfh.version >> 12) {
case 1:
snprintf(tracker_name, 40, "Scream Tracker %d.%02x",
(sfh.version & 0x0f00) >> 8, sfh.version & 0xff);
m->quirk |= QUIRK_ST3GVOL;
break;
case 2:
snprintf(tracker_name, 40, "Imago Orpheus %d.%02x",
(sfh.version & 0x0f00) >> 8, sfh.version & 0xff);
break;
case 3:
if (sfh.version == 0x3216) {
strcpy(tracker_name, "Impulse Tracker 2.14v3");
} else if (sfh.version == 0x3217) {
strcpy(tracker_name, "Impulse Tracker 2.14v5");
} else {
snprintf(tracker_name, 40, "Impulse Tracker %d.%02x",
(sfh.version & 0x0f00) >> 8, sfh.version & 0xff);
}
break;
case 4:
snprintf(tracker_name, 40, "Schism Tracker %d.%02x",
(sfh.version & 0x0f00) >> 8, sfh.version & 0xff);
break;
case 5:
snprintf(tracker_name, 40, "OpenMPT %d.%02x",
(sfh.version & 0x0f00) >> 8, sfh.version & 0xff);
break;
default:
snprintf(tracker_name, 40, "unknown (%04x)", sfh.version);
}
snprintf(mod->type, XMP_NAME_SIZE, "%s S3M", tracker_name);
MODULE_INFO();
PATTERN_INIT();
/* Read patterns */
D_(D_INFO "Stored patterns: %d", mod->pat);
memset (arpeggio_val, 0, 32);
for (i = 0; i < mod->pat; i++) {
PATTERN_ALLOC (i);
mod->xxp[i]->rows = 64;
TRACK_ALLOC (i);
if (!pp_pat[i])
continue;
fseek(f, start + pp_pat[i] * 16, SEEK_SET);
r = 0;
pat_len = read16l(f) - 2;
/* Used to be (--pat_len >= 0). Replaced by Rudolf Cejka
* <*****@*****.**>, fixes hunt.s3m
* ftp://us.aminet.net/pub/aminet/mods/8voic/s3m_hunt.lha
*/
while (r < mod->xxp[i]->rows) {
b = read8(f);
if (b == S3M_EOR) {
r++;
continue;
}
c = b & S3M_CH_MASK;
event = c >= mod->chn ? &dummy : &EVENT (i, c, r);
if (b & S3M_NI_FOLLOW) {
switch(n = read8(f)) {
case 255:
n = 0;
break; /* Empty note */
case 254:
n = XMP_KEY_OFF;
break; /* Key off */
default:
n = 13 + 12 * MSN (n) + LSN (n);
}
event->note = n;
event->ins = read8(f);
pat_len -= 2;
}
if (b & S3M_VOL_FOLLOWS) {
event->vol = read8(f) + 1;
pat_len--;
}
if (b & S3M_FX_FOLLOWS) {
event->fxt = read8(f);
event->fxp = read8(f);
xlat_fx(c, event, arpeggio_val);
pat_len -= 2;
}
}
}
D_(D_INFO "Stereo enabled: %s", sfh.mv & 0x80 ? "yes" : "no");
D_(D_INFO "Pan settings: %s", sfh.dp ? "no" : "yes");
INSTRUMENT_INIT();
/* Read and convert instruments and samples */
D_(D_INFO "Instruments: %d", mod->ins);
for (i = 0; i < mod->ins; i++) {
mod->xxi[i].sub = calloc(sizeof (struct xmp_subinstrument), 1);
fseek(f, start + pp_ins[i] * 16, SEEK_SET);
x8 = read8(f);
mod->xxi[i].sub[0].pan = 0x80;
mod->xxi[i].sub[0].sid = i;
if (x8 >= 2) {
/* OPL2 FM instrument */
fread(&sah.dosname, 12, 1, f); /* DOS file name */
fread(&sah.rsvd1, 3, 1, f); /* 0x00 0x00 0x00 */
fread(&sah.reg, 12, 1, f); /* Adlib registers */
sah.vol = read8(f);
sah.dsk = read8(f);
read16l(f);
sah.c2spd = read16l(f); /* C 4 speed */
read16l(f);
fread(&sah.rsvd4, 12, 1, f); /* Reserved */
fread(&sah.name, 28, 1, f); /* Instrument name */
sah.magic = read32b(f); /* 'SCRI' */
if (sah.magic != MAGIC_SCRI) {
D_(D_CRIT "error: FM instrument magic");
return -2;
}
sah.magic = 0;
copy_adjust(mod->xxi[i].name, sah.name, 28);
mod->xxi[i].nsm = 1;
mod->xxi[i].sub[0].vol = sah.vol;
c2spd_to_note(sah.c2spd, &mod->xxi[i].sub[0].xpo, &mod->xxi[i].sub[0].fin);
mod->xxi[i].sub[0].xpo += 12;
load_sample(f, SAMPLE_FLAG_ADLIB, &mod->xxs[i], (char *)&sah.reg);
D_(D_INFO "[%2X] %-28.28s", i, mod->xxi[i].name);
continue;
}
fread(&sih.dosname, 13, 1, f); /* DOS file name */
sih.memseg = read16l(f); /* Pointer to sample data */
sih.length = read32l(f); /* Length */
sih.loopbeg = read32l(f); /* Loop begin */
sih.loopend = read32l(f); /* Loop end */
sih.vol = read8(f); /* Volume */
sih.rsvd1 = read8(f); /* Reserved */
sih.pack = read8(f); /* Packing type (not used) */
sih.flags = read8(f); /* Loop/stereo/16bit samples flags */
sih.c2spd = read16l(f); /* C 4 speed */
sih.rsvd2 = read16l(f); /* Reserved */
fread(&sih.rsvd3, 4, 1, f); /* Reserved */
sih.int_gp = read16l(f); /* Internal - GUS pointer */
sih.int_512 = read16l(f); /* Internal - SB pointer */
sih.int_last = read32l(f); /* Internal - SB index */
fread(&sih.name, 28, 1, f); /* Instrument name */
sih.magic = read32b(f); /* 'SCRS' */
if (x8 == 1 && sih.magic != MAGIC_SCRS) {
D_(D_CRIT "error: instrument magic");
return -2;
}
if (quirk87) {
fix87(sih.length);
fix87(sih.loopbeg);
fix87(sih.loopend);
fix87(sih.flags);
}
mod->xxs[i].len = sih.length;
mod->xxi[i].nsm = sih.length > 0 ? 1 : 0;
mod->xxs[i].lps = sih.loopbeg;
mod->xxs[i].lpe = sih.loopend;
mod->xxs[i].flg = sih.flags & 1 ? XMP_SAMPLE_LOOP : 0;
if (sih.flags & 4) {
mod->xxs[i].flg |= XMP_SAMPLE_16BIT;
mod->xxs[i].len >>= 1;
mod->xxs[i].lps >>= 1;
mod->xxs[i].lpe >>= 1;
}
mod->xxi[i].sub[0].vol = sih.vol;
sih.magic = 0;
copy_adjust(mod->xxi[i].name, sih.name, 28);
D_(D_INFO "[%2X] %-28.28s %04x%c%04x %04x %c V%02x %5d",
i, mod->xxi[i].name, mod->xxs[i].len,
mod->xxs[i].flg & XMP_SAMPLE_16BIT ?'+' : ' ',
mod->xxs[i].lps, mod->xxs[i].lpe,
mod->xxs[i].flg & XMP_SAMPLE_LOOP ? 'L' : ' ',
mod->xxi[i].sub[0].vol, sih.c2spd);
c2spd_to_note(sih.c2spd, &mod->xxi[i].sub[0].xpo, &mod->xxi[i].sub[0].fin);
fseek(f, start + 16L * sih.memseg, SEEK_SET);
load_sample(f, (sfh.ffi - 1) * SAMPLE_FLAG_UNS, &mod->xxs[i], NULL);
}
static int polly_load(struct module_data *m, FILE *f, const int start)
{
struct xmp_module *mod = &m->mod;
struct xmp_event *event;
uint8 *buf;
int i, j, k;
LOAD_INIT();
read8(f); /* skip 0xae */
/*
* File is RLE-encoded, escape is 0xAE (Aleksi Eeben's initials).
* Actual 0xAE is encoded as 0xAE 0x01
*/
if ((buf = calloc(1, 0x10000)) == NULL)
return -1;
decode_rle(buf, f, 0x10000);
for (i = 0; buf[ORD_OFS + i] != 0 && i < 128; i++)
mod->xxo[i] = buf[ORD_OFS + i] - 0xe0;
mod->len = i;
memcpy(mod->name, buf + ORD_OFS + 160, 16);
/* memcpy(m->author, buf + ORD_OFS + 176, 16); */
set_type(m, "Polly Tracker");
MODULE_INFO();
mod->spd = 0x03;
mod->bpm = 0x7d * buf[ORD_OFS + 193] / 0x88;
#if 0
for (i = 0; i < 1024; i++) {
if ((i % 16) == 0) printf("\n");
printf("%02x ", buf[ORD_OFS + i]);
}
#endif
mod->pat = 0;
for (i = 0; i < mod->len; i++) {
if (mod->xxo[i] > mod->pat)
mod->pat = mod->xxo[i];
}
mod->pat++;
mod->chn = 4;
mod->trk = mod->pat * mod->chn;
PATTERN_INIT();
D_(D_INFO "Stored patterns: %d", mod->pat);
for (i = 0; i < mod->pat; i++) {
PATTERN_ALLOC(i);
mod->xxp[i]->rows = 64;
TRACK_ALLOC(i);
for (j = 0; j < 64; j++) {
for (k = 0; k < 4; k++) {
uint8 x = buf[i * PAT_SIZE + j * 4 + k];
event = &EVENT(i, k, j);
if (x == 0xf0) {
event->fxt = FX_BREAK;
event->fxp = 0;
continue;
}
event->note = LSN(x);
if (event->note)
event->note += 48;
event->ins = MSN(x);
}
}
}
mod->ins = mod->smp = 15;
INSTRUMENT_INIT();
for (i = 0; i < 15; i++) {
mod->xxi[i].sub = calloc(sizeof (struct xmp_subinstrument), 1);
mod->xxs[i].len = buf[ORD_OFS + 129 + i] < 0x10 ? 0 :
256 * buf[ORD_OFS + 145 + i];
mod->xxi[i].sub[0].fin = 0;
mod->xxi[i].sub[0].vol = 0x40;
mod->xxs[i].lps = 0;
mod->xxs[i].lpe = 0;
mod->xxs[i].flg = 0;
mod->xxi[i].sub[0].pan = 0x80;
mod->xxi[i].sub[0].sid = i;
mod->xxi[i].nsm = !!(mod->xxs[i].len);
mod->xxi[i].rls = 0xfff;
D_(D_INFO "[%2X] %04x %04x %04x %c V%02x",
i, mod->xxs[i].len, mod->xxs[i].lps,
mod->xxs[i].lpe, ' ', mod->xxi[i].sub[0].vol);
}
/* Convert samples from 6 to 8 bits */
for (i = SMP_OFS; i < 0x10000; i++)
buf[i] = buf[i] << 2;
/* Read samples */
D_(D_INFO "Loading samples: %d", mod->ins);
for (i = 0; i < mod->ins; i++) {
if (mod->xxs[i].len == 0)
continue;
load_sample(NULL, SAMPLE_FLAG_NOLOAD | SAMPLE_FLAG_UNS,
&mod->xxs[mod->xxi[i].sub[0].sid],
(char*)buf + ORD_OFS + 256 +
256 * (buf[ORD_OFS + 129 + i] - 0x10));
}
free(buf);
/* make it mono */
for (i = 0; i < mod->chn; i++)
mod->xxc[i].pan = 0x80;
m->quirk |= QUIRK_MODRNG;
return 0;
}
static int psm_load(struct module_data *m, HIO_HANDLE *f, const int start)
{
struct xmp_module *mod = &m->mod;
int c, r, i;
struct xmp_event *event;
uint8 buf[1024];
uint32 p_ord, p_chn, p_pat, p_ins;
uint32 p_smp[64];
int type, ver /*, mode*/;
LOAD_INIT();
hio_read32b(f);
hio_read(buf, 1, 60, f);
strncpy(mod->name, (char *)buf, 60);
type = hio_read8(f); /* song type */
ver = hio_read8(f); /* song version */
/*mode =*/ hio_read8(f); /* pattern version */
if (type & 0x01) /* song mode not supported */
return -1;
libxmp_set_type(m, "Protracker Studio PSM %d.%02d", MSN(ver), LSN(ver));
mod->spd = hio_read8(f);
mod->bpm = hio_read8(f);
hio_read8(f); /* master volume */
hio_read16l(f); /* song length */
mod->len = hio_read16l(f);
mod->pat = hio_read16l(f);
mod->ins = hio_read16l(f);
hio_read16l(f); /* ignore channels to play */
mod->chn = hio_read16l(f); /* use channels to proceed */
mod->smp = mod->ins;
mod->trk = mod->pat * mod->chn;
/* Sanity check */
if (mod->len > 256 || mod->pat > 256 || mod->ins > 255 ||
mod->chn > XMP_MAX_CHANNELS) {
return -1;
}
p_ord = hio_read32l(f);
p_chn = hio_read32l(f);
p_pat = hio_read32l(f);
p_ins = hio_read32l(f);
/* should be this way but fails with Silverball song 6 */
//mod->flg |= ~type & 0x02 ? XXM_FLG_MODRNG : 0;
m->c4rate = C4_NTSC_RATE;
MODULE_INFO();
hio_seek(f, start + p_ord, SEEK_SET);
hio_read(mod->xxo, 1, mod->len, f);
hio_seek(f, start + p_chn, SEEK_SET);
hio_read(buf, 1, 16, f);
if (libxmp_init_instrument(m) < 0)
return -1;
hio_seek(f, start + p_ins, SEEK_SET);
for (i = 0; i < mod->ins; i++) {
uint16 flags, c2spd;
int finetune;
if (libxmp_alloc_subinstrument(mod, i, 1) < 0)
return -1;
hio_read(buf, 1, 13, f); /* sample filename */
hio_read(buf, 1, 24, f); /* sample description */
buf[24] = 0; /* add string termination */
strncpy((char *)mod->xxi[i].name, (char *)buf, 24);
p_smp[i] = hio_read32l(f);
hio_read32l(f); /* memory location */
hio_read16l(f); /* sample number */
flags = hio_read8(f); /* sample type */
mod->xxs[i].len = hio_read32l(f);
mod->xxs[i].lps = hio_read32l(f);
mod->xxs[i].lpe = hio_read32l(f);
finetune = (int8)(hio_read8(f) << 4);
mod->xxi[i].sub[0].vol = hio_read8(f);
c2spd = hio_read16l(f);
mod->xxi[i].sub[0].pan = 0x80;
mod->xxi[i].sub[0].sid = i;
mod->xxs[i].flg = flags & 0x80 ? XMP_SAMPLE_LOOP : 0;
mod->xxs[i].flg |= flags & 0x20 ? XMP_SAMPLE_LOOP_BIDIR : 0;
libxmp_c2spd_to_note(c2spd, &mod->xxi[i].sub[0].xpo,
&mod->xxi[i].sub[0].fin);
mod->xxi[i].sub[0].fin += finetune;
if (mod->xxs[i].len > 0)
mod->xxi[i].nsm = 1;
D_(D_INFO "[%2X] %-22.22s %04x %04x %04x %c V%02x %5d",
i, mod->xxi[i].name, mod->xxs[i].len, mod->xxs[i].lps,
mod->xxs[i].lpe, mod->xxs[i].flg & XMP_SAMPLE_LOOP ?
'L' : ' ', mod->xxi[i].sub[0].vol, c2spd);
}
if (libxmp_init_pattern(mod) < 0)
return -1;
D_(D_INFO "Stored patterns: %d", mod->pat);
hio_seek(f, start + p_pat, SEEK_SET);
for (i = 0; i < mod->pat; i++) {
int len;
uint8 b, rows, chan;
len = hio_read16l(f) - 4;
rows = hio_read8(f);
if (rows > 64) {
return -1;
}
chan = hio_read8(f);
if (chan > 32) {
return -1;
}
if (libxmp_alloc_pattern_tracks(mod, i, rows) < 0)
return -1;
for (r = 0; r < rows; r++) {
while (len > 0) {
b = hio_read8(f);
len--;
if (b == 0)
break;
c = b & 0x0f;
if (c >= mod->chn)
return -1;
event = &EVENT(i, c, r);
if (b & 0x80) {
event->note = hio_read8(f) + 36 + 1;
event->ins = hio_read8(f);
len -= 2;
}
if (b & 0x40) {
event->vol = hio_read8(f) + 1;
len--;
}
if (b & 0x20) {
event->fxt = hio_read8(f);
event->fxp = hio_read8(f);
len -= 2;
}
}
}
if (len > 0)
hio_seek(f, len, SEEK_CUR);
}
/* Read samples */
D_(D_INFO "Stored samples: %d", mod->smp);
for (i = 0; i < mod->ins; i++) {
hio_seek(f, start + p_smp[i], SEEK_SET);
if (libxmp_load_sample(m, f, SAMPLE_FLAG_DIFF,
&mod->xxs[mod->xxi[i].sub[0].sid], NULL) < 0)
return -1;
}
return 0;
}
static int ptm_load(struct xmp_context *ctx, FILE *f, const int start)
{
struct xmp_player_context *p = &ctx->p;
struct xmp_mod_context *m = &p->m;
int c, r, i, smp_ofs[256];
struct xxm_event *event;
struct ptm_file_header pfh;
struct ptm_instrument_header pih;
uint8 n, b;
LOAD_INIT();
/* Load and convert header */
fread(&pfh.name, 28, 1, f); /* Song name */
pfh.doseof = read8(f); /* 0x1a */
pfh.vermin = read8(f); /* Minor version */
pfh.vermaj = read8(f); /* Major type */
pfh.rsvd1 = read8(f); /* Reserved */
pfh.ordnum = read16l(f); /* Number of orders (must be even) */
pfh.insnum = read16l(f); /* Number of instruments */
pfh.patnum = read16l(f); /* Number of patterns */
pfh.chnnum = read16l(f); /* Number of channels */
pfh.flags = read16l(f); /* Flags (set to 0) */
pfh.rsvd2 = read16l(f); /* Reserved */
pfh.magic = read32b(f); /* 'PTMF' */
#if 0
if (pfh.magic != MAGIC_PTMF)
return -1;
#endif
fread(&pfh.rsvd3, 16, 1, f); /* Reserved */
fread(&pfh.chset, 32, 1, f); /* Channel settings */
fread(&pfh.order, 256, 1, f); /* Orders */
for (i = 0; i < 128; i++)
pfh.patseg[i] = read16l(f);
m->xxh->len = pfh.ordnum;
m->xxh->ins = pfh.insnum;
m->xxh->pat = pfh.patnum;
m->xxh->chn = pfh.chnnum;
m->xxh->trk = m->xxh->pat * m->xxh->chn;
m->xxh->smp = m->xxh->ins;
m->xxh->tpo = 6;
m->xxh->bpm = 125;
memcpy (m->xxo, pfh.order, 256);
m->c4rate = C4_NTSC_RATE;
copy_adjust((uint8 *)m->name, pfh.name, 28);
sprintf(m->type, "PTMF %d.%02x (Poly Tracker)",
pfh.vermaj, pfh.vermin);
MODULE_INFO();
INSTRUMENT_INIT();
/* Read and convert instruments and samples */
reportv(ctx, 1, " Instrument name Len LBeg LEnd L Vol C4Spd\n");
for (i = 0; i < m->xxh->ins; i++) {
m->xxi[i] = calloc (sizeof (struct xxm_instrument), 1);
pih.type = read8(f); /* Sample type */
fread(&pih.dosname, 12, 1, f); /* DOS file name */
pih.vol = read8(f); /* Volume */
pih.c4spd = read16l(f); /* C4 speed */
pih.smpseg = read16l(f); /* Sample segment (not used) */
pih.smpofs = read32l(f); /* Sample offset */
pih.length = read32l(f); /* Length */
pih.loopbeg = read32l(f); /* Loop begin */
pih.loopend = read32l(f); /* Loop end */
pih.gusbeg = read32l(f); /* GUS begin address */
pih.guslps = read32l(f); /* GUS loop start address */
pih.guslpe = read32l(f); /* GUS loop end address */
pih.gusflg = read8(f); /* GUS loop flags */
pih.rsvd1 = read8(f); /* Reserved */
fread(&pih.name, 28, 1, f); /* Instrument name */
pih.magic = read32b(f); /* 'PTMS' */
if ((pih.type & 3) != 1)
continue;
smp_ofs[i] = pih.smpofs;
m->xxih[i].nsm = !!(m->xxs[i].len = pih.length);
m->xxs[i].lps = pih.loopbeg;
m->xxs[i].lpe = pih.loopend;
if (m->xxs[i].lpe)
m->xxs[i].lpe--;
m->xxs[i].flg = pih.type & 0x04 ? WAVE_LOOPING : 0;
m->xxs[i].flg |= pih.type & 0x08 ? WAVE_LOOPING | WAVE_BIDIR_LOOP : 0;
m->xxs[i].flg |= pih.type & 0x10 ? WAVE_16_BITS : 0;
m->xxi[i][0].vol = pih.vol;
m->xxi[i][0].pan = 0x80;
m->xxi[i][0].sid = i;
pih.magic = 0;
copy_adjust(m->xxih[i].name, pih.name, 28);
if ((V(1)) && (strlen((char *)m->xxih[i].name) || m->xxs[i].len))
report ("[%2X] %-28.28s %05x%c%05x %05x %c V%02x %5d\n",
i, m->xxih[i].name, m->xxs[i].len, pih.type & 0x10 ? '+' : ' ',
m->xxs[i].lps, m->xxs[i].lpe, m->xxs[i].flg & WAVE_LOOPING ? 'L' : ' ',
m->xxi[i][0].vol, pih.c4spd);
/* Convert C4SPD to relnote/finetune */
c2spd_to_note (pih.c4spd, &m->xxi[i][0].xpo, &m->xxi[i][0].fin);
}
PATTERN_INIT();
/* Read patterns */
reportv(ctx, 0, "Stored patterns: %d ", m->xxh->pat);
for (i = 0; i < m->xxh->pat; i++) {
if (!pfh.patseg[i])
continue;
PATTERN_ALLOC (i);
m->xxp[i]->rows = 64;
TRACK_ALLOC (i);
fseek(f, start + 16L * pfh.patseg[i], SEEK_SET);
r = 0;
while (r < 64) {
fread (&b, 1, 1, f);
if (!b) {
r++;
continue;
}
c = b & PTM_CH_MASK;
if (c >= m->xxh->chn)
continue;
event = &EVENT (i, c, r);
if (b & PTM_NI_FOLLOW) {
fread (&n, 1, 1, f);
switch (n) {
case 255:
n = 0;
break; /* Empty note */
case 254:
n = XMP_KEY_OFF;
break; /* Key off */
}
event->note = n;
fread (&n, 1, 1, f);
event->ins = n;
}
if (b & PTM_FX_FOLLOWS) {
event->fxt = read8(f);
event->fxp = read8(f);
if (event->fxt > 0x17)
event->fxt = event->fxp = 0;
switch (event->fxt) {
case 0x0e: /* Extended effect */
if (MSN(event->fxp) == 0x8) { /* Pan set */
event->fxt = FX_SETPAN;
event->fxp = LSN (event->fxp) << 4;
}
break;
case 0x10: /* Set global volume */
event->fxt = FX_GLOBALVOL;
break;
case 0x11: /* Multi retrig */
event->fxt = FX_MULTI_RETRIG;
break;
case 0x12: /* Fine vibrato */
event->fxt = FX_FINE4_VIBRA;
break;
case 0x13: /* Note slide down */
event->fxt = FX_NSLIDE_DN;
break;
case 0x14: /* Note slide up */
event->fxt = FX_NSLIDE_UP;
break;
case 0x15: /* Note slide down + retrig */
event->fxt = FX_NSLIDE_R_DN;
break;
case 0x16: /* Note slide up + retrig */
event->fxt = FX_NSLIDE_R_UP;
break;
case 0x17: /* Reverse sample */
event->fxt = event->fxp = 0;
break;
}
}
if (b & PTM_VOL_FOLLOWS) {
event->vol = read8(f) + 1;
}
}
reportv(ctx, 0, ".");
}
reportv(ctx, 0, "\nStored samples : %d ", m->xxh->smp);
for (i = 0; i < m->xxh->smp; i++) {
if (!m->xxs[i].len)
continue;
fseek(f, start + smp_ofs[m->xxi[i][0].sid], SEEK_SET);
xmp_drv_loadpatch(ctx, f, m->xxi[i][0].sid, m->c4rate,
XMP_SMP_8BDIFF, &m->xxs[m->xxi[i][0].sid], NULL);
reportv(ctx, 0, ".");
}
reportv(ctx, 0, "\n");
m->vol_xlat = ptm_vol;
for (i = 0; i < m->xxh->chn; i++)
m->xxc[i].pan = pfh.chset[i] << 4;
return 0;
}
void process_fx(struct context_data *ctx, struct channel_data *xc, int chn,
struct xmp_event *e, int fnum)
{
struct player_data *p = &ctx->p;
struct module_data *m = &ctx->m;
struct xmp_module *mod = &m->mod;
struct flow_control *f = &p->flow;
uint8 note, fxp, fxt;
int h, l;
/* key_porta is IT only */
if (m->read_event_type != READ_EVENT_IT) {
xc->key_porta = xc->key;
}
note = e->note;
if (fnum == 0) {
fxt = e->fxt;
fxp = e->fxp;
} else {
fxt = e->f2t;
fxp = e->f2p;
}
switch (fxt) {
case FX_ARPEGGIO:
fx_arpeggio:
if (fxp != 0) {
xc->arpeggio.val[0] = 0;
xc->arpeggio.val[1] = MSN(fxp);
xc->arpeggio.val[2] = LSN(fxp);
xc->arpeggio.size = 3;
}
break;
case FX_S3M_ARPEGGIO:
EFFECT_MEMORY(fxp, xc->arpeggio.memory);
goto fx_arpeggio;
#ifndef LIBXMP_CORE_PLAYER
case FX_OKT_ARP3:
if (fxp != 0) {
xc->arpeggio.val[0] = -MSN(fxp);
xc->arpeggio.val[1] = 0;
xc->arpeggio.val[2] = LSN(fxp);
xc->arpeggio.size = 3;
}
break;
case FX_OKT_ARP4:
if (fxp != 0) {
xc->arpeggio.val[0] = 0;
xc->arpeggio.val[1] = LSN(fxp);
xc->arpeggio.val[2] = 0;
xc->arpeggio.val[3] = -MSN(fxp);
xc->arpeggio.size = 4;
}
break;
case FX_OKT_ARP5:
if (fxp != 0) {
xc->arpeggio.val[0] = LSN(fxp);
xc->arpeggio.val[1] = LSN(fxp);
xc->arpeggio.val[2] = 0;
xc->arpeggio.size = 3;
}
break;
#endif
case FX_PORTA_UP: /* Portamento up */
EFFECT_MEMORY(fxp, xc->freq.memory);
if (HAS_QUIRK(QUIRK_FINEFX)
&& (fnum == 0 || !HAS_QUIRK(QUIRK_ITVPOR))) {
switch (MSN(fxp)) {
case 0xf:
fxp &= 0x0f;
goto fx_f_porta_up;
case 0xe:
fxp &= 0x0f;
fxp |= 0x10;
goto fx_xf_porta;
}
}
SET(PITCHBEND);
if (fxp != 0) {
xc->freq.slide = -fxp;
if (HAS_QUIRK(QUIRK_UNISLD))
xc->porta.memory = fxp;
} else if (xc->freq.slide > 0) {
xc->freq.slide *= -1;
}
break;
case FX_PORTA_DN: /* Portamento down */
EFFECT_MEMORY(fxp, xc->freq.memory);
if (HAS_QUIRK(QUIRK_FINEFX)
&& (fnum == 0 || !HAS_QUIRK(QUIRK_ITVPOR))) {
switch (MSN(fxp)) {
case 0xf:
fxp &= 0x0f;
goto fx_f_porta_dn;
case 0xe:
fxp &= 0x0f;
fxp |= 0x20;
goto fx_xf_porta;
}
}
SET(PITCHBEND);
if (fxp != 0) {
xc->freq.slide = fxp;
if (HAS_QUIRK(QUIRK_UNISLD))
xc->porta.memory = fxp;
} else if (xc->freq.slide < 0) {
xc->freq.slide *= -1;
}
break;
case FX_TONEPORTA: /* Tone portamento */
if (HAS_QUIRK(QUIRK_IGSTPOR)) {
if (note == 0 && xc->porta.dir == 0)
break;
}
if (!IS_VALID_INSTRUMENT(xc->ins))
break;
do_toneporta(m, xc, note);
EFFECT_MEMORY_SETONLY(fxp, xc->porta.memory);
if (fxp != 0) {
if (HAS_QUIRK(QUIRK_UNISLD)) /* IT compatible Gxx off */
xc->freq.memory = fxp;
xc->porta.slide = fxp;
}
SET(TONEPORTA);
break;
case FX_VIBRATO: /* Vibrato */
EFFECT_MEMORY_SETONLY(fxp, xc->vibrato.memory);
SET(VIBRATO);
SET_LFO_NOTZERO(&xc->vibrato.lfo, LSN(fxp) << 2, MSN(fxp));
break;
case FX_FINE_VIBRATO: /* Fine vibrato */
EFFECT_MEMORY_SETONLY(fxp, xc->vibrato.memory);
SET(VIBRATO);
SET_LFO_NOTZERO(&xc->vibrato.lfo, LSN(fxp), MSN(fxp));
break;
case FX_TONE_VSLIDE: /* Toneporta + vol slide */
if (!IS_VALID_INSTRUMENT(xc->ins))
break;
do_toneporta(m, xc, note);
SET(TONEPORTA);
goto fx_volslide;
case FX_VIBRA_VSLIDE: /* Vibrato + vol slide */
SET(VIBRATO);
goto fx_volslide;
case FX_TREMOLO: /* Tremolo */
EFFECT_MEMORY_SETONLY(fxp, xc->tremolo.memory);
SET(TREMOLO);
SET_LFO_NOTZERO(&xc->tremolo.lfo, LSN(fxp), MSN(fxp));
break;
case FX_SETPAN: /* Set pan */
/* From OpenMPT PanOff.xm:
* "Another chapter of weird FT2 bugs: Note-Off + Note Delay
* + Volume Column Panning = Panning effect is ignored."
*/
if (!HAS_QUIRK(QUIRK_FT2BUGS) /* If not FT2 */
|| fnum == 0 /* or not vol column */
|| e->note != XMP_KEY_OFF /* or not keyoff */
|| e->fxt != FX_EXTENDED /* or not delay */
|| MSN(e->fxp) != EX_DELAY) {
xc->pan.val = fxp;
xc->pan.surround = 0;
}
break;
case FX_OFFSET: /* Set sample offset */
EFFECT_MEMORY(fxp, xc->offset.memory);
SET(OFFSET);
if (note) {
xc->offset.val &= xc->offset.val & ~0xffff;
xc->offset.val |= fxp << 8;
xc->offset.val2 = fxp << 8;
}
if (e->ins) {
xc->offset.val2 = fxp << 8;
}
break;
case FX_VOLSLIDE: /* Volume slide */
fx_volslide:
/* S3M file volume slide note:
* DFy Fine volume down by y (...) If y is 0, the command will
* be treated as a volume slide up with a value of f (15).
* If a DFF command is specified, the volume will be slid
* up.
*/
if (HAS_QUIRK(QUIRK_FINEFX)) {
h = MSN(fxp);
l = LSN(fxp);
if (l == 0xf && h != 0) {
xc->vol.memory = fxp;
fxp >>= 4;
goto fx_f_vslide_up;
} else if (h == 0xf && l != 0) {
xc->vol.memory = fxp;
fxp &= 0x0f;
goto fx_f_vslide_dn;
}
}