From f5d40bd1ee8c133d34814aef13c57899f5ab40db Mon Sep 17 00:00:00 2001
From: byuu <2107894+byuu@users.noreply.github.com>
Date: Mon, 9 Dec 2019 00:08:37 +0900
Subject: [PATCH] Testing: added Super Game Boy audio mixing test function.

---
 bsnes/sfc/coprocessor/icd/icd.cpp | 9 ++++++++-
 bsnes/sfc/dsp/dsp.cpp             | 4 ++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/bsnes/sfc/coprocessor/icd/icd.cpp b/bsnes/sfc/coprocessor/icd/icd.cpp
index ab2f7462..d94bb3be 100644
--- a/bsnes/sfc/coprocessor/icd/icd.cpp
+++ b/bsnes/sfc/coprocessor/icd/icd.cpp
@@ -40,7 +40,6 @@ namespace SameBoy {
     float left  = sample->left  / 32768.0f;
     float right = sample->right / 32768.0f;
     icd.apuWrite(left, right);
-  //print(dsp.stream->pending(), " ", icd.stream->pending(), "\n");
   }
 
   static auto vblank(GB_gameboy_t*) -> void {
@@ -59,6 +58,14 @@ auto ICD::Enter() -> void {
 }
 
 auto ICD::main() -> void {
+  #if 0
+  static uint n = 0;
+  float x = sin((2 * 3.141592 * n++ * 1000.0) / 44100.0) * 0.1;
+  apuWrite(x, x);
+  step(128);
+  return synchronizeCPU();
+  #endif
+
   if(r6003 & 0x80) {
     auto clocks = GB_run(&sameboy);
     step(clocks >> 1);
diff --git a/bsnes/sfc/dsp/dsp.cpp b/bsnes/sfc/dsp/dsp.cpp
index 3d15e192..eb6f78bb 100644
--- a/bsnes/sfc/dsp/dsp.cpp
+++ b/bsnes/sfc/dsp/dsp.cpp
@@ -65,8 +65,8 @@ auto DSP::power(bool reset) -> void {
   }
 
   if(configuration.hacks.hotfixes) {
-    //Magical Drop (Japan) does not initialize the DSP registers at startup.
-    //Tokoton mode will hang forever in some instances even on real hardware.
+    //Magical Drop (Japan) does not initialize the DSP registers at startup:
+    //tokoton mode will hang forever in some instances even on real hardware.
     if(cartridge.headerTitle() == "MAGICAL DROP") {
       for(uint address : range(0x80)) spc_dsp.write(address, 0xff);
     }