From 5adc7017a33cf6d55cf76d95a72fc6f5d879bcc3 Mon Sep 17 00:00:00 2001
From: Michael Panzlaff <michael.panzlaff@fau.de>
Date: Sun, 1 Aug 2021 12:00:10 +0200
Subject: arm7: merge SND_lfo into SND_exChannel

---
 arm7/lib/src/SND_lfo.c | 43 -------------------------------------------
 1 file changed, 43 deletions(-)
 delete mode 100644 arm7/lib/src/SND_lfo.c

(limited to 'arm7/lib/src/SND_lfo.c')

diff --git a/arm7/lib/src/SND_lfo.c b/arm7/lib/src/SND_lfo.c
deleted file mode 100644
index 262c6d27..00000000
--- a/arm7/lib/src/SND_lfo.c
+++ /dev/null
@@ -1,43 +0,0 @@
-#include "SND_lfo.h"
-
-#include "SND_util.h"
-#include "SND_exChannel.h"
-
-void SND_InitLfoParam(struct SNDLfoParam *lfoParam) {
-    lfoParam->target = SND_LFO_PITCH;
-    lfoParam->depth = 0;
-    lfoParam->range = 1;
-    lfoParam->speed = 16;
-    lfoParam->delay = 0;
-}
-
-void SND_StartLfo(struct SNDLfo *lfo) {
-    lfo->counter = 0;
-    lfo->delayCounter = 0;
-}
-
-void SND_UpdateLfo(struct SNDLfo *lfo) {
-    if (lfo->delayCounter < lfo->param.delay) {
-        lfo->delayCounter++;
-    } else {
-        u32 tmp = lfo->counter;
-        tmp += lfo->param.speed << 6;
-        tmp >>= 8;
-        while (tmp >= 0x80) {
-            tmp -= 0x80;
-        }
-        lfo->counter += lfo->param.speed << 6;
-        lfo->counter &= 0xFF;
-        lfo->counter |= tmp << 8;
-    }
-}
-
-int SND_GetLfoValue(struct SNDLfo *lfo) {
-    if (lfo->param.depth == 0) {
-        return 0;
-    } else if (lfo->delayCounter < lfo->param.delay) {
-        return 0;
-    } else {
-        return SND_SinIdx((s32)((u32)lfo->counter >> 8)) * lfo->param.depth * lfo->param.range;
-    }
-}
-- 
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