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es5503: revert to last version that plays correctly

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This commit is contained in:
arbee 2020-09-20 23:01:23 -04:00
parent f6652e9dfb
commit 69cc7e883c
2 changed files with 13 additions and 14 deletions
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25
src/devices/sound/es5503.cpp
View File

@ -128,19 +128,18 @@ void es5503_device::halt_osc(int onum, int type, uint32_t *accumulator, int ress
}
}
void es5503_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
void es5503_device::sound_stream_update_legacy(sound_stream &stream, stream_sample_t const * const *inputs, stream_sample_t * const *outputs, int samples)
{
static int32_t mix[(44100/60)*2*8];
int32_t *mixp;
int osc, snum, i;
uint32_t ramptr;
if (m_mix_buffer.size() < outputs[0].samples())
m_mix_buffer.resize(outputs[0].samples());
assert(samples < (44100/60)*2);
memset(mix, 0, sizeof(mix));
for (int chan = 0; chan < output_channels; chan++)
{
std::fill_n(&m_mix_buffer[0], outputs[0].samples(), 0);
for (osc = 0; osc < (oscsenabled+1); osc++)
{
ES5503Osc *pOsc = &oscillators[osc];
@ -156,9 +155,9 @@ void es5503_device::sound_stream_update(sound_stream &stream, std::vector<read_s
int8_t data = -128;
int resshift = resshifts[pOsc->resolution] - pOsc->wavetblsize;
uint32_t sizemask = accmasks[pOsc->wavetblsize];
mixp = &m_mix_buffer[0];
mixp = &mix[0] + chan;
for (snum = 0; snum < outputs[0].samples(); snum++)
for (snum = 0; snum < samples; snum++)
{
altram = acc >> resshift;
ramptr = altram & sizemask;
@ -176,7 +175,7 @@ void es5503_device::sound_stream_update(sound_stream &stream, std::vector<read_s
else
{
*mixp += data * vol;
mixp++;
mixp += output_channels;
if (altram >= wtsize)
{
@ -197,11 +196,11 @@ void es5503_device::sound_stream_update(sound_stream &stream, std::vector<read_s
pOsc->data = data ^ 0x80;
}
}
mixp = &m_mix_buffer[0];
for (i = 0; i < outputs[chan].samples(); i++)
outputs[chan].put_int(i, *mixp++, 32768 * 8);
}
mixp = &mix[0];
for (i = 0; i < samples; i++)
for (int chan = 0; chan < output_channels; chan++)
outputs[chan][i] = (*mixp++)>>3;
}
@ -224,7 +223,7 @@ void es5503_device::device_start()
save_pointer(STRUCT_MEMBER(oscillators, irqpend), 32);
output_rate = (clock() / 8) / (2 + oscsenabled);
m_stream = stream_alloc(0, output_channels, output_rate);
m_stream = stream_alloc_legacy(0, output_channels, output_rate);
m_timer = timer_alloc(0, nullptr);
attotime update_rate = output_rate ? attotime::from_hz(output_rate) : attotime::never;

2
src/devices/sound/es5503.h
View File

@ -36,7 +36,7 @@ protected:
virtual void device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr) override;
// device_sound_interface overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
virtual void sound_stream_update_legacy(sound_stream &stream, stream_sample_t const * const *inputs, stream_sample_t * const *outputs, int samples) override;
// device_rom_interface overrides
virtual void rom_bank_updated() override;