Fixed typos

Author: Jonas Rinke

README.md

@@ -6,8 +6,8 @@ Emulator for the expansion sound of the Konami VRC7.
 
 VRC7-Sound is an open-source emulator for the Konami VRC7's expansion sound, featured in the Famicom game *Lagrange Point*.
 The VRC7 enables FM-style music through the use of a modified Yamaha YM2413 (OPLL) architecture, which is itself based on the
-YM3812, a chip prominently used in the AdLib and Sound Blaster soundcards. The emulator attempts to accurately recreate this sound
-by relying mostly on information gathered from the VRC7's die shot.
+YM3812, a chip prominently used in the AdLib and Sound Blaster soundcards. The emulator attempts to recreate this sound as accurately
+as possible by relying mostly on information gathered from the VRC7's die shot.
 
 ## Usage
 

VRC7-sound/vrc7_sound.c

@@ -127,6 +127,7 @@ enum env_stages {
 	ENV_DAMPING		//trigger off
 };
 
+//Lookup tables
 static uint32_t logsin[LOGSIN_TABLE_LEN];
 
 static uint16_t fast_exp[FAST_EXP_TABLE_LEN];
@@ -163,7 +164,6 @@ static void make_tables(void) {
 }
 
 static inline uint32_t phase_to_logsin(uint32_t phase) {
-	//phase ^= 1;	//TODO check?
 	if (BIT_TEST(phase, 8))
 		phase = ~phase;
 	return logsin[phase & 0xff];
@@ -340,7 +340,7 @@ static void update_envelope(struct vrc7_sound *vrc7_s, uint32_t ch,uint32_t type
 	if (rate_high == 15 || rate_high == 14 && env_table)
 		env_inc |= inc1;
 
-	//Update the envelope value in a weird way
+	//Update envelope value
 	uint32_t env_value = (slot->env_value + env_inc) & 0x7f;
 
 	//Update envelope stage

VRC7-sound/vrc7_sound.h

@@ -211,7 +211,7 @@ VRC7SOUND_API void vrc7_set_clock_rate(struct vrc7_sound *vrc7_s, double clock_r
 
 /*
 Sets the sample rate of the vrc7_sound object. This function only has an effect if you are using vrc7_fetch_sample. This is not to be
-confused with the sample rate of the signal member of the vrc7_sound object which is set by vrc7_set_clock_rate.
+confused with the sample rate of the signal variable of the vrc7_sound object which is set by vrc7_set_clock_rate.
 */
 VRC7SOUND_API void vrc7_set_sample_rate(struct vrc7_sound *vrc7_s, double sample_rate);
 
@@ -222,12 +222,12 @@ VRC7SOUND_API void vrc7_set_patch_set(struct vrc7_sound *vrc7_s, int patch_set);
 
 /*
 Updates the vrc7. This function has to be called at 1/72th of the clock rate set by vrc7_set_clock_rate. After calling this function,
-the signal member of the vrc7_object will contain new data. If you are using vrc7_fetch_sample, you do not need to call this function.
+the signal variable of the vrc7_sound object will contain new data. If you are using vrc7_fetch_sample, you should not call this function.
 */
 VRC7SOUND_API void vrc7_tick(struct vrc7_sound *vrc7_s);
 
 /*
-Fetches a single sample and updates the vrc7. This function internally calls vrc7_tick, so you should not call it manually when using
+Fetches a single sample and updates the vrc7_sound object. This function internally calls vrc7_tick, so you should not call it manually when using
 vrc7_fetch_sample. This function has to be called at the sample rate set by vrc7_set_sample_rate.
 */
 VRC7SOUND_API void vrc7_fetch_sample(struct vrc7_sound *vrc7_s, int16_t *sample);
@@ -270,12 +270,12 @@ VRC7SOUND_API void vrc7_get_default_patch(int set, uint32_t index, struct vrc7_p
 */
 
 /*
-Filter function that leaves the raw output from the vrc7 in the signal member. In other words, this function does nothing.
+Filter function that leaves the raw output from the vrc7 in the signal variable. In other words, this function does nothing.
 */
 VRC7SOUND_API void vrc7_filter_raw(struct vrc7_sound *vrc7_s);
 
 /*
-Filter function converts the pulse output of the vrc7 into a more usable signal, but does not apply any filters to it.
+Filter function that converts the pulse output of the vrc7 into a more usable signal, but does not apply any filters to it.
 The output signal is filled with the sum of each of the channels outputs.
 */
 VRC7SOUND_API void vrc7_filter_no_filter(struct vrc7_sound *vrc7_s);