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Adjusted maximum value suitable for streaming and removed some dead code.

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This commit is contained in:
Couriersud 2014-07-14 18:42:04 +00:00
parent 37a75b6a57
commit a78370aefd
1 changed files with 3 additions and 27 deletions
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30
src/emu/sound/ay8910.c
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@ -521,23 +521,6 @@ INLINE void build_single_table(double rl, const ay8910_device::ay_ym_param *par,
}
#ifdef UNUSED_FUNCTION
INLINE void build_resistor_table(const ay8910_device::ay_ym_param *par, INT32 *tab, int zero_is_off)
{
int j;
for (j=0; j < par->res_count; j++)
{
if (zero_is_off && j == 0)
{
tab[j] = 1e6;
}
else
tab[j] = par->res[j];
}
}
#endif
INLINE void build_mosfet_resistor_table(const ay8910_device::mosfet_param &par, const double rd, INT32 *tab)
{
int j;
@ -551,12 +534,10 @@ INLINE void build_mosfet_resistor_table(const ay8910_device::mosfet_param &par,
const double Vs = p2 - sqrt(p2 * p2 - Vg * Vg);
const double res = rd * ( Vd / Vs - 1.0);
/* FXIME: That's the biggest value we can stream on to netlist. Have to find a different
* approach.
*/
/* That's the biggest value we can stream on to netlist. */
if (res > (1 << 21))
tab[j] = (1 << 21);
if (res > (1 << 28))
tab[j] = (1 << 28);
else
tab[j] = res;
//printf("%d %f %10d\n", j, rd / (res + rd) * 5.0, tab[j]);
@ -815,11 +796,6 @@ void ay8910_device::sound_stream_update(sound_stream &stream, stream_sample_t **
else
{
*(buf[0]++) = mix_3D();
#if 0
*(buf[0]) = ( vol_enabled[0] * m_vol_table[m_Vol[0]]
+ vol_enabled[1] * m_vol_table[m_Vol[1]]
+ vol_enabled[2] * m_vol_table[m_Vol[2]]) / m_step;
#endif
}
samples--;
}