add Power Noise support

CMakeLists.txt

@@ -495,6 +495,8 @@ extern/YMF276-LLE/fmopn2.c
 extern/ESFMu/esfm.c
 extern/ESFMu/esfm_registers.c
 
+extern/pwrnoise/pwrnoise.c
+
 src/pch.cpp
 
 src/engine/platform/sound/sn76496.cpp
@@ -703,6 +705,7 @@ src/engine/platform/k053260.cpp
 src/engine/platform/ted.cpp
 src/engine/platform/c140.cpp
 src/engine/platform/esfm.cpp
+src/engine/platform/powernoise.cpp
 src/engine/platform/pcmdac.cpp
 src/engine/platform/dummy.cpp
 

src/engine/dispatch.h

@@ -248,6 +248,9 @@ enum DivDispatchCmds {
   DIV_CMD_ESFM_MODIN, // (op, value)
   DIV_CMD_ESFM_ENV_DELAY, // (op, value)
 
+  DIV_CMD_POWER_NOISE_COUNTER_LOAD, // (which, val)
+  DIV_CMD_POWER_NOISE_IO_WRITE, // (port, value)
+
   DIV_CMD_MACRO_RESTART, // (which)
 
   DIV_CMD_MAX

src/engine/dispatchContainer.cpp

@@ -83,6 +83,7 @@
 #include "platform/c140.h"
 #include "platform/pcmdac.h"
 #include "platform/esfm.h"
+#include "platform/powernoise.h"
 #include "platform/dummy.h"
 #include "../ta-log.h"
 #include "song.h"
@@ -648,6 +649,9 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
     case DIV_SYSTEM_ESFM:
       dispatch=new DivPlatformESFM;
       break;
+    case DIV_SYSTEM_POWER_NOISE:
+      dispatch=new DivPlatformPowerNoise;
+      break;
     case DIV_SYSTEM_DUMMY:
       dispatch=new DivPlatformDummy;
       break;

src/engine/instrument.cpp

@@ -1043,6 +1043,8 @@ void DivInstrument::putInsData2(SafeWriter* w, bool fui, const DivSong* song, bo
         featureFM=true;
         featureEF=true;
         break;
+      case DIV_INS_POWER_NOISE:
+        break;
       case DIV_INS_MAX:
         break;
       case DIV_INS_NULL:

src/engine/instrument.h

@@ -86,6 +86,7 @@ enum DivInstrumentType: unsigned short {
   DIV_INS_C140=53,
   DIV_INS_C219=54,
   DIV_INS_ESFM=55,
+  DIV_INS_POWER_NOISE=56,
   DIV_INS_MAX,
   DIV_INS_NULL
 };

src/engine/playback.cpp

@@ -247,6 +247,9 @@ const char* cmdName[]={
   "ESFM_MODIN",
   "ESFM_ENV_DELAY",
 
+  "POWER_NOISE_COUNTER_LOAD",
+  "POWER_NOISE_IO_WRITE",
+
   "MACRO_RESTART",
 };
 

src/engine/song.h

@@ -132,7 +132,8 @@ enum DivSystem {
   DIV_SYSTEM_TED,
   DIV_SYSTEM_C140,
   DIV_SYSTEM_C219,
-  DIV_SYSTEM_ESFM
+  DIV_SYSTEM_ESFM,
+  DIV_SYSTEM_POWER_NOISE,
 };
 
 enum DivEffectType: unsigned short {

src/engine/sysDef.cpp

@@ -1985,6 +1985,23 @@ void DivEngine::registerSystems() {
     fmESFMPostEffectHandlerMap
   );
   
+  sysDefs[DIV_SYSTEM_POWER_NOISE]=new DivSysDef(
+    "BS-C-04xx series (Power Noise)", NULL, 0xd2, 0, 4, false, false, 0, false, 0, 0, 0, 
+    "a fantasy sound chip designed by jvsTSX and The Beesh-Spweesh!\nused in the Hexheld fantasy console.",
+    {"Noise 1", "Noise 2", "Noise 3", "Slope"},
+    {"N1", "N2", "N3", "SL"},
+    {DIV_CH_NOISE, DIV_CH_NOISE, DIV_CH_NOISE, DIV_CH_PULSE},
+    {DIV_INS_POWER_NOISE, DIV_INS_POWER_NOISE, DIV_INS_POWER_NOISE, DIV_INS_POWER_NOISE},
+    {},
+    {
+      {0x20, {DIV_CMD_POWER_NOISE_COUNTER_LOAD, "20xx: Load low byte of noise channel LFSR (00 to FF) or slope channel accumulator (00 to 7F)", constVal<0>, effectVal}},
+      {0x21, {DIV_CMD_POWER_NOISE_COUNTER_LOAD, "21xx: Load high byte of noise channel LFSR (00 to FF)", constVal<1>, effectVal}},
+      {0x22, {DIV_CMD_POWER_NOISE_IO_WRITE, "22xx: Write to I/O port A", constVal<0>, effectVal}},
+      {0x23, {DIV_CMD_POWER_NOISE_IO_WRITE, "23xx: Write to I/O port B", constVal<1>, effectVal}},
+    },
+    {}
+  );
+
   sysDefs[DIV_SYSTEM_DUMMY]=new DivSysDef(
     "Dummy System", NULL, 0xfd, 0, 8, false, true, 0, false, 0, 0, 0,
     "this is a system designed for testing purposes.",

src/gui/gui.h

@@ -291,6 +291,7 @@ enum FurnaceGUIColors {
   GUI_COLOR_INSTR_C140,
   GUI_COLOR_INSTR_C219,
   GUI_COLOR_INSTR_ESFM,
+  GUI_COLOR_INSTR_POWER_NOISE,
   GUI_COLOR_INSTR_UNKNOWN,
 
   GUI_COLOR_CHANNEL_BG,

src/gui/guiConst.cpp

@@ -176,6 +176,7 @@ const char* insTypes[DIV_INS_MAX+1][3]={
   {"C140",ICON_FA_VOLUME_UP,ICON_FUR_INS_C140},
   {"C219",ICON_FA_VOLUME_UP,ICON_FUR_INS_C219},
   {"FM (ESFM)",ICON_FA_AREA_CHART,ICON_FUR_INS_ESFM},
+  {"Power Noise",ICON_FUR_NOISE,ICON_FA_QUESTION},
   {NULL,ICON_FA_QUESTION,ICON_FA_QUESTION}
 };
 
@@ -986,6 +987,7 @@ const FurnaceGUIColorDef guiColors[GUI_COLOR_MAX]={
   D(GUI_COLOR_INSTR_C140,"",ImVec4(1.0f,1.0f,0.0f,1.0f)),
   D(GUI_COLOR_INSTR_C219,"",ImVec4(1.0f,0.8f,0.0f,1.0f)),
   D(GUI_COLOR_INSTR_ESFM,"",ImVec4(0.1f,0.9f,1.0f,1.0f)),
+  D(GUI_COLOR_INSTR_POWER_NOISE,"",ImVec4(1.0f,1.0f,0.8f,1.0f)),
   D(GUI_COLOR_INSTR_UNKNOWN,"",ImVec4(0.3f,0.3f,0.3f,1.0f)),
 
   D(GUI_COLOR_CHANNEL_BG,"",ImVec4(0.4f,0.6f,0.8f,1.0f)),
@@ -1203,6 +1205,7 @@ const int availableSystems[]={
   DIV_SYSTEM_PCM_DAC,
   DIV_SYSTEM_ESFM,
   DIV_SYSTEM_PONG,
+  DIV_SYSTEM_POWER_NOISE,
   0 // don't remove this last one!
 };
 
@@ -1292,6 +1295,7 @@ const int chipsSpecial[]={
   DIV_SYSTEM_VRC6,
   DIV_SYSTEM_MMC5,
   DIV_SYSTEM_SM8521,
+  DIV_SYSTEM_POWER_NOISE,
   0 // don't remove this last one!
 };
 

src/gui/insEdit.cpp

@@ -6936,6 +6936,7 @@ void FurnaceGUI::drawInsEdit() {
           if (ins->type==DIV_INS_TED) waveMax=0;
           if (ins->type==DIV_INS_C140) waveMax=0;
           if (ins->type==DIV_INS_C219) waveMax=0;
+          if (ins->type==DIV_INS_POWER_NOISE) waveMax=0;
           if (ins->type==DIV_INS_SU || ins->type==DIV_INS_POKEY) waveMax=7;
           if (ins->type==DIV_INS_PET) {
             waveMax=8;
@@ -7074,6 +7075,9 @@ void FurnaceGUI::drawInsEdit() {
           if (ins->type==DIV_INS_ES5506) {
             panMax=4095;
           }
+          if (ins->type==DIV_INS_POWER_NOISE) {
+            panMax=15;
+          }
 
           if (volMax>0) {
             macroList.push_back(FurnaceGUIMacroDesc(volumeLabel,&ins->std.volMacro,volMin,volMax,160,uiColors[GUI_COLOR_MACRO_VOLUME]));
@@ -7161,7 +7165,8 @@ void FurnaceGUI::drawInsEdit() {
               ins->type==DIV_INS_C140 ||
               ins->type==DIV_INS_C219 ||
               ins->type==DIV_INS_TED ||
-              ins->type==DIV_INS_ESFM) {
+              ins->type==DIV_INS_ESFM ||
+              ins->type==DIV_INS_POWER_NOISE) {
             macroList.push_back(FurnaceGUIMacroDesc("Phase Reset",&ins->std.phaseResetMacro,0,1,32,uiColors[GUI_COLOR_MACRO_OTHER],false,NULL,NULL,true));
           }
           if (ex1Max>0) {
@@ -7254,6 +7259,15 @@ void FurnaceGUI::drawInsEdit() {
           if (ins->type==DIV_INS_MSM5232) {
             macroList.push_back(FurnaceGUIMacroDesc("Noise",&ins->std.ex3Macro,0,1,32,uiColors[GUI_COLOR_MACRO_OTHER],false,NULL,NULL,true));
           }
+          if (ins->type==DIV_INS_POWER_NOISE) {
+            macroList.push_back(FurnaceGUIMacroDesc("Control",&ins->std.ex1Macro,0,8,64,uiColors[GUI_COLOR_MACRO_OTHER],false,NULL,NULL,true));
+            macroList.push_back(FurnaceGUIMacroDesc("Portion A Length",&ins->std.ex2Macro,0,255,64,uiColors[GUI_COLOR_MACRO_OTHER]));
+            macroList.push_back(FurnaceGUIMacroDesc("Portion B Length",&ins->std.ex3Macro,0,255,64,uiColors[GUI_COLOR_MACRO_OTHER]));
+            macroList.push_back(FurnaceGUIMacroDesc("Tap A Location",&ins->std.ex4Macro,0,15,64,uiColors[GUI_COLOR_MACRO_OTHER]));
+            macroList.push_back(FurnaceGUIMacroDesc("Tap B Location",&ins->std.ex5Macro,0,15,64,uiColors[GUI_COLOR_MACRO_OTHER]));
+            macroList.push_back(FurnaceGUIMacroDesc("Portion A Offset",&ins->std.ex6Macro,0,15,64,uiColors[GUI_COLOR_MACRO_OTHER]));
+            macroList.push_back(FurnaceGUIMacroDesc("Portion B Offset",&ins->std.ex7Macro,0,15,64,uiColors[GUI_COLOR_MACRO_OTHER]));
+          }
 
           drawMacros(macroList,macroEditStateMacros);
           ImGui::EndTabItem();