From bf9eb8b0a4d1edab3ae64a54c8e30f9ad222a732 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sun, 30 Jan 2022 15:55:31 -0500
Subject: [PATCH] fix two possible pitch slide regressions

now let's fix blue crow
---
 src/engine/platform/genesis.cpp    | 4 ++++
 src/engine/platform/genesis.h      | 1 +
 src/engine/platform/genesisext.cpp | 4 ++++
 src/engine/platform/genesisext.h   | 1 +
 src/engine/playback.cpp            | 1 +
 5 files changed, 11 insertions(+)

diff --git a/src/engine/platform/genesis.cpp b/src/engine/platform/genesis.cpp
index 800c5d222..9f57d98af 100644
--- a/src/engine/platform/genesis.cpp
+++ b/src/engine/platform/genesis.cpp
@@ -638,6 +638,10 @@ void DivPlatformGenesis::notifyInsDeletion(void* ins) {
   psg.notifyInsDeletion(ins);
 }
 
+int DivPlatformGenesis::getPortaFloor(int ch) {
+  return (ch>5)?12:0;
+}
+
 void DivPlatformGenesis::setFlags(unsigned int flags) {
   if (flags==2) {
     chipClock=8000000.0;
diff --git a/src/engine/platform/genesis.h b/src/engine/platform/genesis.h
index 7e4318956..4b4404639 100644
--- a/src/engine/platform/genesis.h
+++ b/src/engine/platform/genesis.h
@@ -85,6 +85,7 @@ class DivPlatformGenesis: public DivDispatch {
     void setFlags(unsigned int flags);
     void notifyInsChange(int ins);
     void notifyInsDeletion(void* ins);
+    int getPortaFloor(int ch);
     int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
     void quit();
     ~DivPlatformGenesis();
diff --git a/src/engine/platform/genesisext.cpp b/src/engine/platform/genesisext.cpp
index 7d8810d4e..8376a0b5b 100644
--- a/src/engine/platform/genesisext.cpp
+++ b/src/engine/platform/genesisext.cpp
@@ -334,6 +334,10 @@ void DivPlatformGenesisExt::notifyInsChange(int ins) {
   }
 }
 
+int DivPlatformGenesisExt::getPortaFloor(int ch) {
+  return (ch>8)?12:0;
+}
+
 int DivPlatformGenesisExt::init(DivEngine* parent, int channels, int sugRate, unsigned int flags) {
   DivPlatformGenesis::init(parent,channels,sugRate,flags);
   for (int i=0; i<4; i++) {
diff --git a/src/engine/platform/genesisext.h b/src/engine/platform/genesisext.h
index f893232d2..3958a128f 100644
--- a/src/engine/platform/genesisext.h
+++ b/src/engine/platform/genesisext.h
@@ -27,6 +27,7 @@ class DivPlatformGenesisExt: public DivPlatformGenesis {
     bool keyOffAffectsArp(int ch);
     bool keyOffAffectsPorta(int ch);
     void notifyInsChange(int ins);
+    int getPortaFloor(int ch);
     int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
     void quit();
     ~DivPlatformGenesisExt();
diff --git a/src/engine/playback.cpp b/src/engine/playback.cpp
index a8a2052fa..2ba7a5036 100644
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@@ -685,6 +685,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
       chan[i].portaNote=-1;
       chan[i].portaSpeed=-1;
       chan[i].scheduledSlideReset=false;
+      chan[i].inPorta=false;
     }
     if (!chan[i].keyOn && chan[i].volume>chan[i].volMax) {
       chan[i].volume=chan[i].volMax;