From c4163699b6e29d7f6817a4b152df07c91b8e280b Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 27 Jan 2022 15:42:31 -0500
Subject: [PATCH] Arcade: add noise freq macro

issue #16
---
 src/engine/platform/arcade.cpp | 8 ++++++++
 src/gui/gui.cpp                | 7 +++++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/engine/platform/arcade.cpp b/src/engine/platform/arcade.cpp
index 2f0c9480..43e3090a 100644
--- a/src/engine/platform/arcade.cpp
+++ b/src/engine/platform/arcade.cpp
@@ -215,6 +215,14 @@ void DivPlatformArcade::tick() {
       }
     }
 
+    if (chan[i].std.hadDuty) {
+      if (chan[i].std.duty>0) {
+        rWrite(0x0f,0x80|(0x20-chan[i].std.duty));
+      } else {
+        rWrite(0x0f,0);
+      }
+    }
+
     if (chan[i].std.hadAlg) {
       chan[i].state.alg=chan[i].std.alg;
       if (isMuted[i]) {
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 1c3b64c5..ea29729e 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -1363,13 +1363,16 @@ void FurnaceGUI::drawInsEdit() {
               dutyMax=24;
             }
           }
-          if (ins->type==DIV_INS_AY || ins->type==DIV_INS_AY8930) {
+          if (ins->type==DIV_INS_FM) {
+            dutyMax=32;
+          }
+          if (ins->type==DIV_INS_AY || ins->type==DIV_INS_AY8930 || ins->type==DIV_INS_FM) {
             dutyLabel="Noise Freq";
           }
           if (ins->type==DIV_INS_AY8930) {
             dutyMax=255;
           }
-          if (ins->type==DIV_INS_TIA || ins->type==DIV_INS_PCE || ins->type==DIV_INS_FM) {
+          if (ins->type==DIV_INS_TIA || ins->type==DIV_INS_PCE) {
             dutyMax=0;
           }
           bool dutyIsRel=(ins->type==DIV_INS_C64 && !ins->c64.dutyIsAbs);