From 2bb479031e69223453488647ee705f2a8ab8810f Mon Sep 17 00:00:00 2001
From: "BADIM-PC\\Vadim" <grigoruk@gmail.com>
Date: Wed, 27 Dec 2017 16:34:59 +0300
Subject: [PATCH] Possible issue with sfx: Bass tones sounds high #438

---
 src/tic.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/tic.c b/src/tic.c
index 8b76265..bc05039 100644
--- a/src/tic.c
+++ b/src/tic.c
@@ -38,7 +38,6 @@
 #define MAX_PERIOD_VALUE 4096
 #define BASE_NOTE_FREQ 440.0
 #define BASE_NOTE_POS 49.0
-#define ENVELOPE_FREQ_SCALE 2
 #define NOTES_PER_MUNUTE (TIC_FRAMERATE / NOTES_PER_BEET * 60)
 #define min(a,b) ((a) < (b) ? (a) : (b))
 #define max(a,b) ((a) > (b) ? (a) : (b))
@@ -103,7 +102,7 @@ static inline s32 freq2period(double freq)
 {
     if(freq == 0.0) return MAX_PERIOD_VALUE;
 
-	enum {Rate = CLOCKRATE * ENVELOPE_FREQ_SCALE / ENVELOPE_VALUES};
+	enum {Rate = CLOCKRATE / ENVELOPE_VALUES};
 	s32 period = round((double)Rate / freq - 1.0);
 
     if(period < MIN_PERIOD_VALUE) return MIN_PERIOD_VALUE;
@@ -121,7 +120,7 @@ static inline s32 getAmp(const tic_sound_register* reg, s32 amp)
 
 static void runEnvelope(blip_buffer_t* blip, tic_sound_register* reg, tic_sound_register_data* data, s32 end_time )
 {
-	s32 period = freq2period(reg->freq * ENVELOPE_FREQ_SCALE);
+	s32 period = freq2period(reg->freq);
 
 	for ( ; data->time < end_time; data->time += period )
 	{
@@ -1548,7 +1547,7 @@ static void api_tick(tic_mem* tic, tic_tick_data* data)
 				cart2ram(tic);
 
 				tic->input.data = 0;
-				
+
 				if(compareMetatag(code, "input", "mouse", config->singleComment))
 					tic->input.mouse = 1;
 				else if(compareMetatag(code, "input", "gamepad", config->singleComment))