Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-05 22:04:43 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

Votrax clock adjustment.

Browse Source
This commit is contained in:
Aaron Giles 2012-03-31 20:06:08 +00:00
parent 2c64059396
commit 7edbeaa996
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/emu/sound/votrax.c
View File

@ -534,7 +534,7 @@ void votrax_sc01_device::shift_hist(double val, double *hist_array, int hist_siz
void votrax_sc01_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) void votrax_sc01_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
{ {
// determine how many master half-clocks per sample // determine how many master half-clocks per sample
int clocks_per_sample = m_master_clock_freq / stream.sample_rate(); int half_clocks_per_sample = (m_master_clock_freq * 2) / stream.sample_rate();
// iterate over clocks (samples) // iterate over clocks (samples)
stream_sample_t *dest = outputs[0]; stream_sample_t *dest = outputs[0];
@ -543,7 +543,7 @@ void votrax_sc01_device::sound_stream_update(sound_stream &stream, stream_sample
// run the digital logic at the master clock rate // run the digital logic at the master clock rate
double glottal_out = 0; double glottal_out = 0;
UINT8 noise_out_digital = 0; UINT8 noise_out_digital = 0;
for (int curclock = 0; curclock < clocks_per_sample; curclock++) for (int curclock = 0; curclock < half_clocks_per_sample; curclock++)
{ {
if (LOG_TIMING | LOG_LOWPARAM | LOG_GLOTTAL | LOG_TRANSITION) if (LOG_TIMING | LOG_LOWPARAM | LOG_GLOTTAL | LOG_TRANSITION)
{ {