From 9d8adbb5818d39143a143e18549c84a8f092b618 Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Fri, 7 Jun 2019 18:37:19 +0300
Subject: [PATCH] This is not correct, this bug only affects the PCM registers
 and not actual output. Currently not emulated at all.

---
 Core/apu.c | 10 ----------
 Core/apu.h |  1 -
 2 files changed, 11 deletions(-)

diff --git a/Core/apu.c b/Core/apu.c
index 7a54c43..664530d 100644
--- a/Core/apu.c
+++ b/Core/apu.c
@@ -489,16 +489,6 @@ void GB_apu_run(GB_gameboy_t *gb)
                 }
 
                 gb->apu.current_lfsr_sample = gb->apu.noise_channel.lfsr & 1;
-                if (gb->model == GB_MODEL_CGB_C) {
-                    /* Todo: This was confirmed to happen on a CGB-C. This may or may not happen on pre-CGB models.
-                       Because this degrades audio quality, and testing this on a pre-CGB device requires audio records,
-                       I'll assume these devices are innocent until proven guilty.
-
-                       Also happens on CGB-B, but not on CGB-D.
-                     */
-                    gb->apu.current_lfsr_sample &= gb->apu.previous_lfsr_sample;
-                }
-                gb->apu.previous_lfsr_sample = gb->apu.noise_channel.lfsr & 1;
 
                 update_sample(gb, GB_NOISE,
                               gb->apu.current_lfsr_sample ?
diff --git a/Core/apu.h b/Core/apu.h
index 2a49c04..f8f56e9 100644
--- a/Core/apu.h
+++ b/Core/apu.h
@@ -114,7 +114,6 @@ typedef struct
 
     bool skip_div_event;
     bool current_lfsr_sample;
-    bool previous_lfsr_sample;
 } GB_apu_t;
 
 typedef enum {