static int depack_fcm(xmp_file in, xmp_file out)
{
uint8 c1;
uint8 ptable[128];
uint8 pat_pos;
uint8 pat_max;
int i;
int size, ssize = 0;
memset(ptable, 0, 128);
read32b(in); /* bypass "FC-M" ID */
read16b(in); /* version number? */
read32b(in); /* bypass "NAME" chunk */
pw_move_data(out, in, 20); /* read and write title */
read32b(in); /* bypass "INST" chunk */
/* read and write sample descriptions */
for (i = 0; i < 31; i++) {
pw_write_zero(out, 22); /*sample name */
write16b(out, size = read16b(in)); /* size */
ssize += size * 2;
write8(out, read8(in)); /* finetune */
write8(out, read8(in)); /* volume */
write16b(out, read16b(in)); /* loop start */
size = read16b(in); /* loop size */
if (size == 0)
size = 1;
write16b(out, size);
}
read32b(in); /* bypass "LONG" chunk */
write8(out, pat_pos = read8(in)); /* pattern table lenght */
write8(out, read8(in)); /* NoiseTracker byte */
read32b(in); /* bypass "PATT" chunk */
/* read and write pattern list and get highest patt number */
for (pat_max = i = 0; i < pat_pos; i++) {
write8(out, c1 = read8(in));
if (c1 > pat_max)
pat_max = c1;
}
for (; i < 128; i++)
write8(out, 0);
write32b(out, PW_MOD_MAGIC); /* write ptk ID */
read32b(in); /* bypass "SONG" chunk */
for (i = 0; i <= pat_max; i++) /* pattern data */
pw_move_data(out, in, 1024);
read32b(in); /* bypass "SAMP" chunk */
pw_move_data(out, in, ssize); /* sample data */
return 0;
}
static int depack_mp(FILE *in, FILE *out)
{
uint8 c1;
uint8 ptable[128];
uint8 max;
int i;
int size, ssize = 0;
memset(ptable, 0, 128);
pw_write_zero(out, 20); /* title */
if (read32b(in) != MAGIC_TRK1) /* TRK1 */
fseek(in, -4, SEEK_CUR);
for (i = 0; i < 31; i++) {
pw_write_zero(out, 22); /* sample name */
write16b(out, size = read16b(in)); /* size */
ssize += size * 2;
write8(out, read8(in)); /* finetune */
write8(out, read8(in)); /* volume */
write16b(out, read16b(in)); /* loop start */
write16b(out, read16b(in)); /* loop size */
}
write8(out, read8(in)); /* pattern table length */
write8(out, read8(in)); /* NoiseTracker restart byte */
for (max = i = 0; i < 128; i++) {
write8(out, c1 = read8(in));
if (c1 > max)
max = c1;
}
max++;
write32b(out, PW_MOD_MAGIC); /* M.K. */
if (read32b(in) != 0) /* bypass unknown empty bytes */
fseek (in, -4, SEEK_CUR);
pw_move_data(out, in, 1024 * max); /* pattern data */
pw_move_data(out, in, ssize); /* sample data */
return 0;
}
static int depack_hrt(HIO_HANDLE *in, FILE *out)
{
uint8 buf[1024];
uint8 c1, c2, c3, c4;
int len, npat;
int ssize = 0;
int i, j;
memset(buf, 0, 950);
hio_read(buf, 950, 1, in); /* read header */
for (i = 0; i < 31; i++) /* erase addresses */
*(uint32 *)(buf + 38 + 30 * i) = 0;
fwrite(buf, 950, 1, out); /* write header */
for (i = 0; i < 31; i++) /* samples size */
ssize += readmem16b(buf + 42 + 30 * i) * 2;
write8(out, len = hio_read8(in)); /* song length */
write8(out, hio_read8(in)); /* nst byte */
hio_read(buf, 1, 128, in); /* pattern list */
npat = 0; /* number of patterns */
for (i = 0; i < 128; i++) {
if (buf[i] > npat)
npat = buf[i];
}
npat++;
write32b(out, PW_MOD_MAGIC); /* write ptk ID */
/* pattern data */
hio_seek(in, 1084, SEEK_SET);
for (i = 0; i < npat; i++) {
for (j = 0; j < 256; j++) {
buf[0] = hio_read8(in);
buf[1] = hio_read8(in);
buf[2] = hio_read8(in);
buf[3] = hio_read8(in);
buf[0] /= 2;
c1 = buf[0] & 0xf0;
if (buf[1] == 0)
c2 = 0;
else {
c1 |= ptk_table[buf[1] / 2][0];
c2 = ptk_table[buf[1] / 2][1];
}
c3 = ((buf[0] << 4) & 0xf0) | buf[2];
c4 = buf[3];
write8(out, c1);
write8(out, c2);
write8(out, c3);
write8(out, c4);
}
}
/* sample data */
pw_move_data(out, in, ssize);
return 0;
}
static int depack_pp21(HIO_HANDLE *in, FILE *out)
{
uint8 ptable[128];
int max = 0;
uint8 trk[4][128];
int tptr[512][64];
uint8 numpat;
uint8 *tab;
uint8 buf[1024];
int i, j;
int size;
int ssize = 0;
int tabsize = 0; /* Reference Table Size */
memset(ptable, 0, 128);
memset(trk, 0, 4 * 128);
memset(tptr, 0, 512 * 128);
pw_write_zero(out, 20); /* title */
for (i = 0; i < 31; i++) {
pw_write_zero(out, 22); /* sample name */
write16b(out, size = hio_read16b(in));
ssize += size * 2;
write8(out, hio_read8(in)); /* finetune */
write8(out, hio_read8(in)); /* volume */
write16b(out, hio_read16b(in)); /* loop start */
write16b(out, hio_read16b(in)); /* loop size */
}
write8(out, numpat = hio_read8(in)); /* number of patterns */
write8(out, hio_read8(in)); /* NoiseTracker restart byte */
max = 0;
for (j = 0; j < 4; j++) {
for (i = 0; i < 128; i++) {
trk[j][i] = hio_read8(in);
if (trk[j][i] > max)
max = trk[j][i];
}
}
/* write pattern table without any optimizing ! */
for (i = 0; i < numpat; i++)
write8(out, i);
pw_write_zero(out, 128 - i);
write32b(out, PW_MOD_MAGIC); /* M.K. */
/* PATTERN DATA code starts here */
/*printf ("Highest track number : %d\n", max); */
for (j = 0; j <= max; j++) {
for (i = 0; i < 64; i++)
tptr[j][i] = hio_read16b(in);
}
/* read "reference table" size */
tabsize = hio_read32b(in);
/* read "reference Table" */
tab = (uint8 *)malloc(tabsize);
hio_read(tab, tabsize, 1, in);
for (i = 0; i < numpat; i++) {
memset(buf, 0, 1024);
for (j = 0; j < 64; j++) {
uint8 *b = buf + j * 16;
memcpy(b, tab + tptr[trk[0][i]][j] * 4, 4);
memcpy(b + 4, tab + tptr[trk[1][i]][j] * 4, 4);
memcpy(b + 8, tab + tptr[trk[2][i]][j] * 4, 4);
memcpy(b + 12, tab + tptr[trk[3][i]][j] * 4, 4);
}
fwrite (buf, 1024, 1, out);
}
free (tab);
/* Now, it's sample data ... though, VERY quickly handled :) */
pw_move_data(out, in, ssize);
return 0;
}
static int depack_pru2(HIO_HANDLE *in, FILE *out)
{
uint8 header[2048];
uint8 npat;
uint8 ptable[128];
uint8 max = 0;
uint8 v[4][4];
int size, ssize = 0;
int i, j;
memset(header, 0, 2048);
memset(ptable, 0, 128);
memset(v, 0, 16);
pw_write_zero(out, 20); /* title */
hio_seek(in, 8, SEEK_SET);
for (i = 0; i < 31; i++) {
pw_write_zero(out, 22); /*sample name */
write16b(out, size = hio_read16b(in)); /* size */
ssize += size * 2;
write8(out, hio_read8(in)); /* finetune */
write8(out, hio_read8(in)); /* volume */
write16b(out, hio_read16b(in)); /* loop start */
write16b(out, hio_read16b(in)); /* loop size */
}
write8(out, npat = hio_read8(in)); /* number of patterns */
write8(out, hio_read8(in)); /* noisetracker byte */
for (i = 0; i < 128; i++) {
uint8 x;
write8(out, x = hio_read8(in));
max = (x > max) ? x : max;
}
write32b(out, PW_MOD_MAGIC);
/* pattern data stuff */
hio_seek(in, 770, SEEK_SET);
for (i = 0; i <= max; i++) {
for (j = 0; j < 256; j++) {
uint8 c[4];
memset(c, 0, 4);
header[0] = hio_read8(in);
if (header[0] == 0x80) {
write32b(out, 0);
} else if (header[0] == 0xc0) {
fwrite(v[0], 4, 1, out);
memcpy(c, v[0], 4);
} else if (header[0] >= 74) {
return -1;
} else {
header[1] = hio_read8(in);
header[2] = hio_read8(in);
c[0] = (header[1] & 0x80) >> 3;
c[0] |= ptk_table[(header[0] >> 1)][0];
c[1] = ptk_table[(header[0] >> 1)][1];
c[2] = (header[1] & 0x70) << 1;
c[2] |= (header[0] & 0x01) << 4;
c[2] |= (header[1] & 0x0f);
c[3] = header[2];
fwrite(c, 1, 4, out);
}
/* rol previous values */
memcpy(&v[0], &v[1], 4);
memcpy(&v[1], &v[2], 4);
memcpy(&v[2], &v[3], 4);
memcpy(v[3], c, 4);
}
}
/* sample data */
pw_move_data(out, in, ssize);
return 0;
}
static int depack_ksm (xmp_file in, xmp_file out)
{
uint8 tmp[1024];
uint8 c1, c5;
uint8 plist[128];
uint8 trknum[128][4];
uint8 real_tnum[128][4];
uint8 tdata[4][192];
uint8 Max;
uint8 PatPos;
uint8 Status = ON;
int ssize = 0;
int i, j, k;
memset(plist, 0, 128);
memset(trknum, 0, 128 * 4);
memset(real_tnum, 0, 128 * 4);
/* title */
xmp_fseek(in, 2, SEEK_SET);
pw_move_data(out, in, 13);
pw_write_zero(out, 7);
/* read and write whole header */
/*printf ( "Converting sample headers ... " ); */
xmp_fseek(in, 32, SEEK_SET);
for (i = 0; i < 15; i++) {
pw_write_zero(out, 22); /* write name */
xmp_fseek(in, 20, SEEK_CUR); /* 16 unknown/4 addr bytes */
write16b(out, (k = read16b(in)) / 2); /* size */
ssize += k;
write8(out, 0); /* finetune */
write8(out, read8(in)); /* volume */
read8(in); /* bypass 1 unknown byte */
write16b(out, (j = read16b(in)) / 2); /* loop start */
j = k - j;
write16b(out, j != k ? j / 2 : 1); /* loop size */
xmp_fseek(in, 6, SEEK_CUR); /* bypass 6 unknown bytes */
}
memset(tmp, 0, 30);
tmp[29] = 0x01;
for (i = 0; i < 16; i++)
xmp_fwrite(tmp, 30, 1, out);
/* pattern list */
xmp_fseek (in, 512, 0);
for (Max = PatPos = 0; PatPos < 128; PatPos++) {
xmp_fread(&trknum[PatPos][0], 1, 1, in);
xmp_fread(&trknum[PatPos][1], 1, 1, in);
xmp_fread(&trknum[PatPos][2], 1, 1, in);
xmp_fread(&trknum[PatPos][3], 1, 1, in);
if (trknum[PatPos][0] == 0xFF)
break;
if (trknum[PatPos][0] > Max)
Max = trknum[PatPos][0];
if (trknum[PatPos][1] > Max)
Max = trknum[PatPos][1];
if (trknum[PatPos][2] > Max)
Max = trknum[PatPos][2];
if (trknum[PatPos][3] > Max)
Max = trknum[PatPos][3];
}
write8(out, PatPos); /* write patpos */
write8(out, 0x7f); /* ntk byte */
/* sort tracks numbers */
c5 = 0x00;
for (i = 0; i < PatPos; i++) {
if (i == 0) {
plist[0] = c5;
c5 += 0x01;
continue;
}
for (j = 0; j < i; j++) {
Status = ON;
for (k = 0; k < 4; k++) {
if (trknum[j][k] !=
trknum[i][k]) {
Status = OFF;
break;
}
}
if (Status == ON) {
plist[i] = plist[j];
break;
}
}
if (Status == OFF) {
plist[i] = c5;
c5 += 0x01;
}
Status = ON;
}
/* c5 is the Max pattern number */
/* create real list of tracks numbers for really existing patterns */
c1 = 0x00;
for (i = 0; i < PatPos; i++) {
if (i == 0) {
real_tnum[c1][0] = trknum[i][0];
real_tnum[c1][1] = trknum[i][1];
real_tnum[c1][2] = trknum[i][2];
real_tnum[c1][3] = trknum[i][3];
c1 += 0x01;
continue;
}
for (j = 0; j < i; j++) {
Status = ON;
if (plist[i] == plist[j]) {
Status = OFF;
break;
}
}
if (Status == OFF)
continue;
real_tnum[c1][0] = trknum[i][0];
real_tnum[c1][1] = trknum[i][1];
real_tnum[c1][2] = trknum[i][2];
real_tnum[c1][3] = trknum[i][3];
c1 += 0x01;
Status = ON;
}
xmp_fwrite(plist, 128, 1, out); /* write pattern list */
write32b(out, PW_MOD_MAGIC); /* write ID */
/* pattern data */
for (i = 0; i < c5; i++) {
memset(tmp, 0, 1024);
memset(tdata, 0, 192 * 4);
xmp_fseek(in, 1536 + 192 * real_tnum[i][0], SEEK_SET);
xmp_fread(tdata[0], 192, 1, in);
xmp_fseek(in, 1536 + 192 * real_tnum[i][1], SEEK_SET);
xmp_fread(tdata[1], 192, 1, in);
xmp_fseek(in, 1536 + 192 * real_tnum[i][2], SEEK_SET);
xmp_fread(tdata[2], 192, 1, in);
xmp_fseek(in, 1536 + 192 * real_tnum[i][3], SEEK_SET);
xmp_fread(tdata[3], 192, 1, in);
for (j = 0; j < 64; j++) {
int x = j * 16;
tmp[x] = ptk_table[tdata[0][j * 3]][0];
tmp[x + 1] = ptk_table[tdata[0][j * 3]][1];
if ((tdata[0][j * 3 + 1] & 0x0f) == 0x0d)
tdata[0][j * 3 + 1] -= 0x03;
tmp[x + 2] = tdata[0][j * 3 + 1];
tmp[x + 3] = tdata[0][j * 3 + 2];
tmp[x + 4] = ptk_table[tdata[1][j * 3]][0];
tmp[x + 5] = ptk_table[tdata[1][j * 3]][1];
if ((tdata[1][j * 3 + 1] & 0x0f) == 0x0d)
tdata[1][j * 3 + 1] -= 0x03;
tmp[x + 6] = tdata[1][j * 3 + 1];
tmp[x + 7] = tdata[1][j * 3 + 2];
tmp[x + 8] = ptk_table[tdata[2][j * 3]][0];
tmp[x + 9] = ptk_table[tdata[2][j * 3]][1];
if ((tdata[2][j * 3 + 1] & 0x0f) == 0x0d)
tdata[2][j * 3 + 1] -= 0x03;
tmp[x + 10] = tdata[2][j * 3 + 1];
tmp[x + 11] = tdata[2][j * 3 + 2];
tmp[x + 12] = ptk_table[tdata[3][j * 3]][0];
tmp[x + 13] = ptk_table[tdata[3][j * 3]][1];
if ((tdata[3][j * 3 + 1] & 0x0f) == 0x0d)
tdata[3][j * 3 + 1] -= 0x03;
tmp[x + 14] = tdata[3][j * 3 + 1];
tmp[x + 15] = tdata[3][j * 3 + 2];
}
xmp_fwrite(tmp, 1024, 1, out);
}
/* sample data */
xmp_fseek(in, 1536 + (192 * (Max + 1)), SEEK_SET);
pw_move_data(out, in, ssize);
return 0;
}
static int depack_eu(FILE *in, FILE *out)
{
uint8 tmp[1080];
uint8 c1;
int npat, smp_addr;
int ssize = 0;
int trk_addr[128][4];
int i, j, k;
/* read header ... same as ptk */
fread(tmp, 1080, 1, in);
fwrite(tmp, 1080, 1, out);
/* now, let's sort out that a bit :) */
/* first, the whole sample size */
for (i = 0; i < 31; i++)
ssize += 2 * readmem16b(tmp + i * 30 + 42);
/* now, the pattern list .. and the max */
for (npat = i = 0; i < 128; i++) {
if (tmp[952 + i] > npat)
npat = tmp[952 + i];
}
npat++;
write32b(out, PW_MOD_MAGIC); /* write ptk ID */
smp_addr = read32b(in); /* read sample data address */
/* read tracks addresses */
for (i = 0; i < npat; i++) {
for (j = 0; j < 4; j++)
trk_addr[i][j] = read16b(in);
}
/* the track data now ... */
for (i = 0; i < npat; i++) {
memset(tmp, 0, 1024);
for (j = 0; j < 4; j++) {
fseek(in, trk_addr[i][j], SEEK_SET);
for (k = 0; k < 64; k++) {
uint8 *x = &tmp[k * 16 + j * 4];
c1 = read8(in);
if ((c1 & 0xc0) == 0x00) {
*x++ = c1;
*x++ = read8(in);
*x++ = read8(in);
*x++ = read8(in);
continue;
}
if ((c1 & 0xc0) == 0xc0) {
k += (c1 & 0x3f);
continue;
}
if ((c1 & 0xc0) == 0x40) {
x += 2;
*x++ = c1 & 0x0f;
*x++ = read8(in);
continue;
}
if ((c1 & 0xc0) == 0x80) {
*x++ = read8(in);
*x++ = read8(in);
*x++ = (c1 << 4) & 0xf0;
continue;
}
}
}
fwrite(tmp, 1024, 1, out);
}
fseek(in, smp_addr, SEEK_SET);
pw_move_data(out, in, ssize);
return 0;
}
static int depack_fuzz(FILE *in, FILE *out)
{
uint8 c1;
uint8 data[1024];
uint8 ord[128];
uint8 tidx[128][16];
uint8 tidx_real[128][4];
uint8 track[4][256];
uint8 status = 1;
int len, ntrk, npat;
int size, ssize = 0;
int lps, lsz;
int i, j, k, l;
memset(tidx, 0, 128 * 16);
memset(tidx_real, 0, 128 * 4);
memset(ord, 0, 128);
read32b(in); /* bypass ID */
read16b(in); /* bypass 2 unknown bytes */
pw_write_zero(out, 20); /* write title */
for (i = 0; i < 31; i++) {
pw_move_data(out, in, 22); /*sample name */
fseek(in, 38, SEEK_CUR);
write16b(out, size = read16b(in));
ssize += size * 2;
lps = read16b(in); /* loop start */
lsz = read16b(in); /* loop size */
write8(out, read8(in)); /* finetune */
write8(out, read8(in)); /* volume */
write16b(out, lps);
write16b(out, lsz > 0 ? lsz : 1);
}
write8(out, len = read8(in)); /* size of pattern list */
ntrk = read8(in); /* read the number of tracks */
write8(out, 0x7f); /* write noisetracker byte */
/* place file pointer at track number list address */
fseek(in, 2118, SEEK_SET);
/* read tracks numbers */
for (i = 0; i < 4; i++) {
for (j = 0; j < len; j++)
fread(&tidx[j][i * 4], 1, 4, in);
}
/* sort tracks numbers */
npat = 0;
for (i = 0; i < len; i++) {
if (i == 0) {
ord[0] = npat++;
continue;
}
for (j = 0; j < i; j++) {
status = 1;
for (k = 0; k < 4; k++) {
if (tidx[j][k * 4] !=
tidx[i][k * 4]) {
status = 0;
break;
}
}
if (status == 1) {
ord[i] = ord[j];
break;
}
}
if (status == 0)
ord[i] = npat++;
status = 1;
}
/* create a list of tracks numbers for the really existing patterns */
c1 = 0x00;
for (i = 0; i < len; i++) {
if (i == 0) {
tidx_real[c1][0] = tidx[i][0];
tidx_real[c1][1] = tidx[i][4];
tidx_real[c1][2] = tidx[i][8];
tidx_real[c1][3] = tidx[i][12];
c1++;
continue;
}
for (j = 0; j < i; j++) {
status = 1;
if (ord[i] == ord[j]) {
status = 0;
break;
}
}
if (status == 0)
continue;
tidx_real[c1][0] = tidx[i][0];
tidx_real[c1][1] = tidx[i][4];
tidx_real[c1][2] = tidx[i][8];
tidx_real[c1][3] = tidx[i][12];
c1++;
status = 1;
}
fwrite(ord, 128, 1, out); /* write pattern list */
write32b(out, PW_MOD_MAGIC); /* write ID */
/* pattern data */
l = 2118 + len * 16;
for (i = 0; i < npat; i++) {
memset(data, 0, 1024);
memset(track, 0, 4 << 8);
fseek(in, l + (tidx_real[i][0] << 8), SEEK_SET);
fread(track[0], 256, 1, in);
fseek(in, l + (tidx_real[i][1] << 8), SEEK_SET);
fread(track[1], 256, 1, in);
fseek(in, l + (tidx_real[i][2] << 8), SEEK_SET);
fread(track[2], 256, 1, in);
fseek(in, l + (tidx_real[i][3] << 8), SEEK_SET);
fread(track[3], 256, 1, in);
for (j = 0; j < 64; j++) {
memcpy(&data[j * 16 ], &track[0][j * 4], 4);
memcpy(&data[j * 16 + 4 ], &track[1][j * 4], 4);
memcpy(&data[j * 16 + 8 ], &track[2][j * 4], 4);
memcpy(&data[j * 16 + 12], &track[3][j * 4], 4);
data[j * 16 + 15] = track[3][j * 4 + 3];
}
fwrite(data, 1024, 1, out);
}
/* sample data */
/* bypass the "SEnd" unidentified ID */
fseek(in, l + (ntrk << 8) + 4, SEEK_SET);
pw_move_data(out, in, ssize);
return 0;
}
static int depack_tdd(HIO_HANDLE *in, FILE *out)
{
uint8 *tmp;
uint8 pat[1024];
uint8 pmax;
int i, j, k;
int size, ssize = 0;
int saddr[31];
int ssizes[31];
memset(saddr, 0, 31 * 4);
memset(ssizes, 0, 31 * 4);
/* write ptk header */
pw_write_zero(out, 1080);
/* read/write pattern list + size and ntk byte */
tmp = (uint8 *)malloc(130);
memset(tmp, 0, 130);
fseek(out, 950, 0);
hio_read(tmp, 130, 1, in);
fwrite(tmp, 130, 1, out);
for (pmax = i = 0; i < 128; i++) {
if (tmp[i + 2] > pmax) {
pmax = tmp[i + 2];
}
}
free(tmp);
/* sample descriptions */
for (i = 0; i < 31; i++) {
fseek(out, 42 + (i * 30), SEEK_SET);
/* sample address */
saddr[i] = hio_read32b(in);
/* read/write size */
write16b(out, size = hio_read16b(in));
ssize += size;
ssizes[i] = size;
write8(out, hio_read8(in)); /* read/write finetune */
write8(out, hio_read8(in)); /* read/write volume */
/* read/write loop start */
write16b(out, (hio_read32b(in) - saddr[i]) / 2);
write16b(out, hio_read16b(in)); /* read/write replen */
}
/* bypass Samples datas */
hio_seek(in, ssize, SEEK_CUR);
/* write ptk's ID string */
fseek(out, 0, SEEK_END);
write32b(out, PW_MOD_MAGIC);
/* read/write pattern data */
tmp = (uint8 *)malloc(1024);
for (i = 0; i <= pmax; i++) {
memset(tmp, 0, 1024);
memset(pat, 0, 1024);
hio_read(tmp, 1024, 1, in);
for (j = 0; j < 64; j++) {
for (k = 0; k < 4; k++) {
int x = j * 16 + k * 4;
/* fx arg */
pat[x + 3] = tmp[x + 3];
/* fx */
pat[x + 2] = tmp[x + 2] & 0x0f;
/* smp */
pat[x] = tmp[x] & 0xf0;
pat[x + 2] |= (tmp[x] << 4) & 0xf0;
/* note */
pat[x] |= ptk_table[tmp[x + 1] / 2][0];
pat[x + 1] = ptk_table[tmp[x + 1] / 2][1];
}
}
fwrite(pat, 1024, 1, out);
}
free(tmp);
/* Sample data */
for (i = 0; i < 31; i++) {
if (ssizes[i] == 0)
continue;
hio_seek(in, saddr[i], SEEK_SET);
pw_move_data(out, in, ssizes[i]);
}
return 0;
}
static int depack_skyt(HIO_HANDLE *in, FILE *out)
{
uint8 c1, c2, c3, c4;
uint8 ptable[128];
uint8 pat_pos;
uint8 pat[1024];
int i = 0, j = 0, k = 0;
int trkval[128][4];
int trk_addr;
int size, ssize = 0;
memset(ptable, 0, 128);
memset(trkval, 0, 128 * 4);
pw_write_zero(out, 20); /* write title */
/* read and write sample descriptions */
for (i = 0; i < 31; i++) {
pw_write_zero(out, 22); /*sample name */
write16b(out, size = hio_read16b(in)); /* sample size */
ssize += size * 2;
write8(out, hio_read8(in)); /* finetune */
write8(out, hio_read8(in)); /* volume */
write16b(out, hio_read16b(in)); /* loop start */
write16b(out, hio_read16b(in)); /* loop size */
}
hio_read32b(in); /* bypass 8 empty bytes */
hio_read32b(in);
hio_read32b(in); /* bypass "SKYT" ID */
pat_pos = hio_read8(in) + 1; /* pattern table lenght */
if (pat_pos >= 128) {
return -1;
}
write8(out, pat_pos);
write8(out, 0x7f); /* write NoiseTracker byte */
/* read track numbers ... and deduce pattern list */
for (i = 0; i < pat_pos; i++) {
for (j = 0; j < 4; j++) {
trkval[i][j] = hio_read16b(in);
}
}
/* write pseudo pattern list */
for (i = 0; i < 128; i++) {
write8(out, i < pat_pos ? i : 0);
}
write32b(out, PW_MOD_MAGIC); /* write ptk's ID */
hio_read8(in); /* bypass $00 unknown byte */
/* get track address */
trk_addr = hio_tell(in);
/* track data */
for (i = 0; i < pat_pos; i++) {
memset(pat, 0, 1024);
for (j = 0; j < 4; j++) {
hio_seek(in, trk_addr + ((trkval[i][j] - 1)<<8), SEEK_SET);
for (k = 0; k < 64; k++) {
int x = k * 16 + j * 4;
c1 = hio_read8(in);
c2 = hio_read8(in);
c3 = hio_read8(in);
c4 = hio_read8(in);
pat[x] = (c2 & 0xf0) | ptk_table[c1][0];
pat[x + 1] = ptk_table[c1][1];
pat[x + 2] = ((c2 << 4) & 0xf0) | c3;
pat[x + 3] = c4;
}
}
fwrite(pat, 1024, 1, out);
}
/* sample data */
pw_move_data(out, in, ssize);
return 0;
}
static int depack_pha(HIO_HANDLE *in, FILE *out)
{
uint8 c1, c2;
uint8 pnum[128];
uint8 pnum1[128];
uint8 nop;
uint8 *pdata;
uint8 *pat;
uint8 onote[4][4];
uint8 note, ins, fxt, fxp;
uint8 npat = 0x00;
int paddr[128];
int i, j, k;
int paddr1[128];
int paddr2[128];
int tmp_ptr, tmp;
int pat_addr;
int psize;
int size, ssize = 0;
int smp_addr;
short ocpt[4];
memset(paddr, 0, 128 * 4);
memset(paddr1, 0, 128 * 4);
memset(paddr2, 0, 128 * 4);
memset(pnum, 0, 128);
memset(pnum1, 0, 128);
memset(onote, 0, 4 * 4);
memset(ocpt, 0, 4 * 2);
pw_write_zero(out, 20); /* title */
for (i = 0; i < 31; i++) {
int vol, fin, lps, lsz;
pw_write_zero(out, 22); /* sample name */
write16b(out, size = hio_read16b(in)); /* size */
ssize += size * 2;
hio_read8(in); /* ??? */
vol = hio_read8(in); /* volume */
lps = hio_read16b(in); /* loop start */
lsz = hio_read16b(in); /* loop size */
hio_read32b(in); /* sample address */
hio_read8(in); /* ??? */
fin = hio_read8(in); /* finetune - 11 */
if (fin != 0) {
fin += 11;
}
write8(out, fin);
write8(out, vol);
write16b(out, lps);
write16b(out, lsz);
}
hio_seek(in, 14, SEEK_CUR); /* bypass unknown 14 bytes */
for (i = 0; i < 128; i++)
paddr[i] = hio_read32b(in);
/* ordering of patterns addresses */
tmp_ptr = 0;
for (i = 0; i < 128; i++) {
if (i == 0) {
pnum[0] = 0;
tmp_ptr++;
continue;
}
for (j = 0; j < i; j++) {
if (paddr[i] == paddr[j]) {
pnum[i] = pnum[j];
break;
}
}
if (j == i)
pnum[i] = tmp_ptr++;
}
/* correct re-order */
for (i = 0; i < 128; i++)
paddr1[i] = paddr[i];
restart:
for (i = 0; i < 128; i++) {
for (j = 0; j < i; j++) {
if (paddr1[i] < paddr1[j]) {
tmp = pnum[j];
pnum[j] = pnum[i];
pnum[i] = tmp;
tmp = paddr1[j];
paddr1[j] = paddr1[i];
paddr1[i] = tmp;
goto restart;
}
}
}
j = 0;
for (i = 0; i < 128; i++) {
if (i == 0) {
paddr2[j] = paddr1[i];
continue;
}
if (paddr1[i] == paddr2[j])
continue;
paddr2[++j] = paddr1[i];
}
/* try to take care of unused patterns ... HARRRRRRD */
memset(paddr1, 0, 128 * 4);
j = 0;
k = paddr[0];
/* 120 ... leaves 8 unused ptk_tableible patterns .. */
for (i = 0; i < 120; i++) {
paddr1[j] = paddr2[i];
j += 1;
if ((paddr2[i + 1] - paddr2[i]) > 1024) {
paddr1[j] = paddr2[i] + 1024;
j += 1;
}
}
for (c1 = 0; c1 < 128; c1++) {
for (c2 = 0; c2 < 128; c2++) {
if (paddr[c1] == paddr1[c2]) {
pnum1[c1] = c2;
}
}
}
memset(pnum, 0, 128);
pat_addr = 999999l;
for (i = 0; i < 128; i++) {
pnum[i] = pnum1[i];
if (paddr[i] < pat_addr)
pat_addr = paddr[i];
}
/* try to get the number of pattern in pattern list */
for (nop = 128; nop > 0; nop--) {
if (pnum[nop - 1] != 0)
break;
}
/* write this value */
write8(out, nop);
/* get highest pattern number */
for (i = 0; i < nop; i++)
if (pnum[i] > npat)
npat = pnum[i];
write8(out, 0x7f); /* ntk restart byte */
for (i = 0; i < 128; i++) /* write pattern list */
write8(out, pnum[i]);
write32b(out, PW_MOD_MAGIC); /* ID string */
smp_addr = hio_tell(in);
hio_seek(in, pat_addr, SEEK_SET);
/* pattern datas */
/* read ALL pattern data */
/* FIXME: shouldn't use file size */
#if 0
j = ftell (in);
fseek (in, 0, 2); /* SEEK_END */
psize = ftell (in) - j;
fseek (in, j, 0); /* SEEK_SET */
#endif
psize = npat * 1024;
pdata = (uint8 *) malloc (psize);
psize = hio_read(pdata, 1, psize, in);
npat += 1; /* coz first value is $00 */
pat = (uint8 *)malloc(npat * 1024);
memset(pat, 0, npat * 1024);
j = 0;
for (i = 0; j < psize; i++) {
if (pdata[i] == 0xff) {
i += 1;
ocpt[(k + 3) % 4] = 0xff - pdata[i];
continue;
}
if (ocpt[k % 4] != 0) {
ins = onote[k % 4][0];
note = onote[k % 4][1];
fxt = onote[k % 4][2];
fxp = onote[k % 4][3];
ocpt[k % 4] -= 1;
pat[j] = ins & 0xf0;
pat[j] |= ptk_table[(note / 2)][0];
pat[j + 1] = ptk_table[(note / 2)][1];
pat[j + 2] = (ins << 4) & 0xf0;
pat[j + 2] |= fxt;
pat[j + 3] = fxp;
k += 1;
j += 4;
i -= 1;
continue;
}
ins = pdata[i];
note = pdata[i + 1];
fxt = pdata[i + 2];
fxp = pdata[i + 3];
onote[k % 4][0] = ins;
onote[k % 4][1] = note;
onote[k % 4][2] = fxt;
onote[k % 4][3] = fxp;
i += 3;
pat[j] = ins & 0xf0;
pat[j] |= ptk_table[(note / 2)][0];
pat[j + 1] = ptk_table[(note / 2)][1];
pat[j + 2] = (ins << 4) & 0xf0;
pat[j + 2] |= fxt;
pat[j + 3] = fxp;
k += 1;
j += 4;
}
fwrite(pat, npat * 1024, 1, out);
free(pdata);
free(pat);
/* Sample data */
hio_seek(in, smp_addr, SEEK_SET);
pw_move_data(out, in, ssize);
return 0;
}
static int depack_fuchs(FILE *in, FILE *out)
{
uint8 *tmp;
uint8 c1;
uint8 pmax;
int ssize = 0;
int SampleSizes[16];
int LoopStart[16];
int i, j;
memset(SampleSizes, 0, 16 * 4);
memset(LoopStart, 0, 16 * 4);
pw_write_zero(out, 1080); /* write ptk header */
fseek(out, 0, SEEK_SET);
pw_move_data(out, in, 10); /* read/write title */
ssize = read32b(in); /* read all sample data size */
/* read/write sample sizes */
for (i = 0; i < 16; i++) {
fseek(out, 42 + i * 30, SEEK_SET);
write16b(out, (SampleSizes[i] = read16b(in)) / 2);
}
/* read/write volumes */
for (i = 0; i < 16; i++) {
fseek(out, 45 + i * 30, SEEK_SET);
fseek(in, 1, SEEK_CUR);
write8(out, read8(in));
}
/* read/write loop start */
for (i = 0; i < 16; i++) {
fseek(out, 46 + i * 30, SEEK_SET);
write8(out, (LoopStart[i] = read16b(in)) / 2);
}
/* write replen */
for (i = 0; i < 16; i++) {
fseek(out, 48 + i * 30, SEEK_SET);
j = SampleSizes[i] - LoopStart[i];
if ((j == 0) || (LoopStart[i] == 0))
write16b(out, 0x0001);
else
write16b(out, j / 2);
}
/* fill replens up to 31st sample wiz $0001 */
for (i = 16; i < 31; i++) {
fseek(out, 48 + i * 30, SEEK_SET);
write16b(out, 0x0001);
}
/* that's it for the samples ! */
/* now, the pattern list */
/* read number of pattern to play */
fseek(out, 950, SEEK_SET);
/* bypass empty byte (saved wiz a WORD ..) */
fseek(in, 1, SEEK_CUR);
write8(out, read8(in));
/* write ntk byte */
write8(out, 0x7f);
/* read/write pattern list */
for (pmax = i = 0; i < 40; i++) {
fseek(in, 1, SEEK_CUR);
write8(out, c1 = read8(in));
if (c1 > pmax)
pmax = c1;
}
/* write ptk's ID */
fseek(out, 0, SEEK_END);
write32b(out, PW_MOD_MAGIC);
/* now, the pattern data */
/* bypass the "SONG" ID */
fseek(in, 4, 1);
/* read pattern data size */
j = read32b(in);
/* read pattern data */
tmp = (uint8 *)malloc(j);
fread(tmp, j, 1, in);
/* convert shits */
for (i = 0; i < j; i += 4) {
/* convert fx C arg back to hex value */
if ((tmp[i + 2] & 0x0f) == 0x0c) {
c1 = tmp[i + 3];
if (c1 <= 9) {
tmp[i + 3] = c1;
continue;
}
if ((c1 >= 16) && (c1 <= 25)) {
tmp[i + 3] = (c1 - 6);
continue;
}
if ((c1 >= 32) && (c1 <= 41)) {
tmp[i + 3] = (c1 - 12);
continue;
}
if ((c1 >= 48) && (c1 <= 57)) {
tmp[i + 3] = (c1 - 18);
continue;
}
if ((c1 >= 64) && (c1 <= 73)) {
tmp[i + 3] = (c1 - 24);
continue;
}
if ((c1 >= 80) && (c1 <= 89)) {
tmp[i + 3] = (c1 - 30);
continue;
}
if ((c1 >= 96) && (c1 <= 100)) {
tmp[i + 3] = (c1 - 36);
continue;
}
}
}
/* write pattern data */
fwrite(tmp, j, 1, out);
free(tmp);
/* read/write sample data */
fseek (in, 4, SEEK_CUR); /* bypass "INST" Id */
for (i = 0; i < 16; i++) {
if (SampleSizes[i] != 0)
pw_move_data(out, in, SampleSizes[i]);
}
return 0;
}
static int depack_pru1 (HIO_HANDLE *in, FILE *out)
{
uint8 header[2048];
uint8 c1, c2, c3, c4;
uint8 npat, max;
uint8 ptable[128];
int ssize = 0;
int i, j;
memset(header, 0, 2048);
memset(ptable, 0, 128);
/* read and write whole header */
hio_read(header, 950, 1, in);
fwrite(header, 950, 1, out);
/* get whole sample size */
for (i = 0; i < 31; i++) {
ssize += readmem16b(header + i * 30 + 42) * 2;
}
/* read and write size of pattern list */
write8(out, npat = hio_read8(in));
memset(header, 0, 2048);
/* read and write ntk byte and pattern list */
hio_read(header, 129, 1, in);
fwrite(header, 129, 1, out);
/* write ID */
write32b(out, PW_MOD_MAGIC);
/* get number of pattern */
max = 0;
for (i = 1; i < 129; i++) {
if (header[i] > max)
max = header[i];
}
/* pattern data */
hio_seek(in, 1084, SEEK_SET);
for (i = 0; i <= max; i++) {
for (j = 0; j < 256; j++) {
header[0] = hio_read8(in);
header[1] = hio_read8(in);
header[2] = hio_read8(in);
header[3] = hio_read8(in);
c1 = header[0] & 0xf0;
c3 = (header[0] & 0x0f) << 4;
c3 |= header[2];
c4 = header[3];
c1 |= ptk_table[header[1]][0];
c2 = ptk_table[header[1]][1];
write8(out, c1);
write8(out, c2);
write8(out, c3);
write8(out, c4);
}
}
/* sample data */
pw_move_data(out, in, ssize);
return 0;
}
static int depack_ntp(FILE *in, FILE *out)
{
uint8 buf[1024];
int i, j;
int pat_addr[128];
short body_addr, smp_addr, nins, len, npat;
int size, ssize = 0;
read32b(in); /* skip MODU */
pw_move_data(out, in, 16); /* title */
write32b(out, 0);
body_addr = read16b(in) + 4; /* get 'BODY' address */
nins = read16b(in); /* number of samples */
len = read16b(in); /* size of pattern list */
npat = read16b(in); /* number of patterns stored */
smp_addr = read16b(in) + body_addr + 4; /* get 'SAMP' address */
memset(buf, 0, 930);
/* instruments */
for (i = 0; i < nins; i++) {
int x = read8(in); /* instrument number */
if (x > 30) {
fseek(in, 7, SEEK_CUR);
continue;
}
x *= 30;
buf[x + 25] = read8(in); /* volume */
size = read16b(in); /* size */
buf[x + 22] = size >> 8;
buf[x + 23] = size & 0xff;
ssize += size * 2;
buf[x + 26] = read8(in); /* loop start */
buf[x + 27] = read8(in);
buf[x + 28] = read8(in); /* loop size */
buf[x + 29] = read8(in);
}
fwrite(buf, 930, 1, out);
write8(out, len);
write8(out, 0x7f);
/* pattern list */
memset(buf, 0, 128);
for (i = 0; i < len; i++)
buf[i] = read16b(in);
fwrite(buf, 128, 1, out);
/* pattern addresses now */
/* Where is on it */
memset(pat_addr, 0, 256);
for (i = 0; i < npat; i++)
pat_addr[i] = read16b(in);
write32b(out, PW_MOD_MAGIC);
/* pattern data now ... *gee* */
for (i = 0; i < npat; i++) {
fseek(in, body_addr + 4 + pat_addr[i], SEEK_SET);
memset(buf, 0, 1024);
for (j = 0; j < 64; j++) {
int x = read16b(in);
if (x & 0x0001)
fread(buf + j * 16, 1, 4, in);
if (x & 0x0002)
fread(buf + j * 16 + 4, 1, 4, in);
if (x & 0x0004)
fread(buf + j * 16 + 8, 1, 4, in);
if (x & 0x0008)
fread(buf + j * 16 + 12, 1, 4, in);
}
fwrite(buf, 1024, 1, out);
}
/* samples */
fseek(in, smp_addr, SEEK_SET);
pw_move_data(out, in, ssize);
return 0;
}