fix(apu): disable APU writes when APU is disabled

2022-11-26 12:20:42 -04:00
parent 002e33b48b
commit 46e29245b7
11 changed files with 172 additions and 105 deletions
--- a/src/core/apu/Tone.zig
+++ b/src/core/apu/Tone.zig
@@ -43,9 +43,12 @@ pub fn init(sched: *Scheduler) Self {
 }

 pub fn reset(self: *Self) void {
-    self.duty.raw = 0;
-    self.envelope.raw = 0;
-    self.freq.raw = 0;
+    self.duty.raw = 0; // NR21
+    self.envelope.raw = 0; // NR22
+    self.freq.raw = 0; // NR32, NR24
+
+    self.len_dev.reset();
+    self.env_dev.reset();

    self.sample = 0;
    self.enabled = false;