TBuf *tbuf_alloc(int start_size)
{
TBuf *res;
res = talloc(sizeof(TBuf));
tbuf_init(res, start_size);
return res;
}
static void unformatted_read_raw(
struct disk *d, unsigned int tracknr, struct tbuf *tbuf)
{
unsigned int i;
int speed_delta = 200;
uint8_t byte = 0;
uint32_t bitlen = (120000 * ((tbuf_rnd16(tbuf)&255) + 1000 - 128)) / 1000;
tbuf_init(tbuf, 0, bitlen);
for (i = 0; i < bitlen; i++) {
byte <<= 1;
byte |= tbuf_rnd16(tbuf) & 1;
if ((i & 7) == 7) {
tbuf_bits(tbuf, SPEED_AVG + speed_delta, bc_raw, 8, byte);
speed_delta = -speed_delta;
}
}
}