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Diffstat (limited to 'src/emu/sound/filter.c')
-rw-r--r--src/emu/sound/filter.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/emu/sound/filter.c b/src/emu/sound/filter.c
index 43acebde248..efd6796de86 100644
--- a/src/emu/sound/filter.c
+++ b/src/emu/sound/filter.c
@@ -20,7 +20,7 @@ void filter_state_reset(filter* f, filter_state* s) {
filter_state* filter_state_alloc(void) {
int i;
- filter_state* s = global_alloc(filter_state);
+ filter_state* s = global_alloc(filter_state);
s->prev_mac = 0;
for(i=0;i<FILTER_ORDER_MAX;++i)
s->xprev[i] = 0;
@@ -135,9 +135,9 @@ void filter2_setup(device_t *device, int type, double fc, double d, double gain,
filter2_context *filter2)
{
int sample_rate = device->machine().sample_rate();
- double w; /* cutoff freq, in radians/sec */
+ double w; /* cutoff freq, in radians/sec */
double w_squared;
- double den; /* temp variable */
+ double den; /* temp variable */
double two_over_T = 2*sample_rate;
double two_over_T_squared = two_over_T * two_over_T;
@@ -193,7 +193,7 @@ void filter2_reset(filter2_context *filter2)
void filter2_step(filter2_context *filter2)
{
filter2->y0 = -filter2->a1 * filter2->y1 - filter2->a2 * filter2->y2 +
- filter2->b0 * filter2->x0 + filter2->b1 * filter2->x1 + filter2->b2 * filter2->x2;
+ filter2->b0 * filter2->x0 + filter2->b1 * filter2->x1 + filter2->b2 * filter2->x2;
filter2->x2 = filter2->x1;
filter2->x1 = filter2->x0;
filter2->y2 = filter2->y1;
@@ -205,12 +205,12 @@ void filter2_step(filter2_context *filter2)
void filter_opamp_m_bandpass_setup(device_t *device, double r1, double r2, double r3, double c1, double c2,
filter2_context *filter2)
{
- double r_in, fc, d, gain;
+ double r_in, fc, d, gain;
if (r1 == 0)
{
logerror("filter_opamp_m_bandpass_setup() - r1 can not be 0");
- return; /* Filter can not be setup. Undefined results. */
+ return; /* Filter can not be setup. Undefined results. */
}
if (r2 == 0)